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APPENDIX F-1 FTA Operational Noise Analysis Calculation Spreadsheets July 2004

APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

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Page 1: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

APPENDIX F-1 FTA Operational Noise Analysis

Calculation Spreadsheets July 2004

Page 2: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 512 No R6 65.2 59.2 53.2 53.2 51.2 50.2 45.2 32.2 36 Marley, Model NC8312JL1 97 91 85 85 83 82 77 641 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 512 No R7 63.3 57.3 51.3 51.3 49.3 48.3 43.3 30.3 48 Marley, Model NC8312JL1 98 92 86 86 84 83 78 651 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 512 No R8 61.2 53.2 48.2 47.2 44.2 42.2 36.2 23.2 36 Marley, Model NC8312JL1 93 85 80 79 76 74 68 551 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 512 No R9 59.3 51.3 46.3 45.3 42.3 40.3 34.3 21.3 48 Marley, Model NC8312JL1 94 86 81 80 77 75 69 56

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 2 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) concourse level NA 1000 tons 3 2 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 2 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacityconcourse level NA 2500 gpm 150 bhp 3 2 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = "Altnerative 6D"

Operation Schedule: Daytime Off-Peak Load2 CT at 80% capacityNo GENNO GEN exhaustNo MAF2 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

Page 3: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 97 91 85 85 83 82 77 64 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 98 92 86 86 84 83 78 65 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 93 85 80 79 76 74 68 55 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 94 86 81 80 77 75 69 56 R9

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 313.55 Yes 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 313.55 Yes 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 313.55 Yes 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity 313.55 Yes 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

Page 4: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 85 83 82 77 64 48 62 512 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63 57 51 51 49 48 43 30

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 503 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 78 50 503 202 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 20 16 19 12 11 1 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 503 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 78 50 503 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 31 27 28 18 16 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 11 9 11 4 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 24 22 24 17 12 2 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 503 108 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.8 56.9 51.1 50.8 48.8 47.7 42.6 29.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.6 40.8 42.5 47.6 48.8 48.9 43.6 28.5 54.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 54.3 63.7 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

Page 5: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 98 92 86 86 84 83 78 65 48 62 512 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60 54 48 48 46 45 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 503 43 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 503 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 -1 50 503 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 21 17 20 13 12 1 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 31 27 29 18 16 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 503 195 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 12 10 12 5 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 25 23 25 18 13 2 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 41 41 22 23 27 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 503 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.8 54.0 48.6 47.7 45.7 44.7 39.4 26.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.6 37.9 40.0 44.5 45.7 45.9 40.4 25.3 51.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 51.3 63.5 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Page 6: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 85 80 79 76 74 68 55 48 62 512 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 51 46 45 42 40 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 513 55 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 513 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 78 50 513 212 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 20 16 19 12 11 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 30 26 28 18 16 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 11 9 11 4 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 24 22 24 17 12 1 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.2 51.3 46.8 45.1 42.1 40.1 34.0 21.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.0 35.2 38.2 41.9 42.1 41.3 35.0 20.3 47.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 47.8 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

Page 7: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 94 86 81 80 77 75 69 56 48 62 512 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 48 43 42 39 37 31 17

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 513 48 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 513 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 -1 50 513 201 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 20 16 19 12 11 1 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 -1 50 513 205 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 30 26 28 18 16 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 11 9 11 4 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 24 22 24 17 12 2 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 513 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 55.9 48.5 44.7 41.9 38.9 37.1 30.7 18.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.7 32.4 36.1 38.7 38.9 38.3 31.7 17.5 44.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 44.8 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Off-Peak Load) Cat 3 Leq 63.2 54.3 63.7 64.7 70.1 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Off-Peak Load) Cat 3 Leq 63.2 51.3 63.5 70.1 70.1 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Off-Peak Loa Cat 3 Leq 63.2 47.8 63.3 64.7 70.1 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Off-Peak Load) Cat 3 Leq 63.2 44.8 63.3 64.7 70.1 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

Leq or Ldn

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.7 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 512 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 96 90 84 81 79 78 73 60

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 2 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) concourse level NA 1000 tons 3 2 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 2 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacityconcourse level NA 2500 gpm 150 bhp 3 2 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = "Altnerative 6D"

Operation Schedule: Daytime Off-Peak Load2 CT at 80% capacityNo GENNO GEN exhaustNo MAF2 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 96 90 84 81 79 78 73 60

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 313.55 Yes 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 313.55 Yes 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 313.55 Yes 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity 313.55 Yes 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EAST (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 512 78 50 493 37 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 55 49 46 43 42 37 24

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 493 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 33 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 493 53 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 78 50 493 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 21 17 20 13 12 1 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 31 27 29 19 17 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 12 10 12 4 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 25 23 25 17 12 2 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 493 100 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.6 54.7 49.0 45.5 43.5 42.5 37.3 24.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 34.4 38.6 40.4 42.3 43.5 43.7 38.3 23.4 49.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 49.6 63.4 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 2: ITT AMERICAS TOWARD WEST (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 512 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 51 45 42 40 39 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 493 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 -1 50 493 182 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 2 21 17 20 13 12 2 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 -1 50 493 186 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 31 27 29 19 17 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 12 10 12 5 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 25 23 25 18 13 3 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 40 42 42 23 24 28 16 7

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 493 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.5 51.8 47.0 42.4 40.4 39.5 34.1 21.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.3 35.7 38.4 39.2 40.4 40.7 35.1 20.4 46.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 46.7 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTH (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 512 39 114 363 158 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 48 42 36 33 31 30 24 11

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 114 363 133 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 114 363 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 39 114 363 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 30 26 29 22 21 11 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 114 363 101 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 39 114 363 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 41 37 39 29 27 20 7 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 114 363 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 34 32 34 27 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 114 363 102 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 49.3 45.1 44.0 35.5 33.3 31.5 24.6 14.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 23.1 29.0 35.4 32.3 33.3 32.7 25.6 13.5 40.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 40.2 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 512 39 144 363 170 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 47 41 35 32 30 29 23 10

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 363 145 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 363 146 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 39 144 363 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 18 8 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 363 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 19 17 19 12 7 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 30 32 25 20 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 48.3 43.9 42.3 34.2 32.0 30.5 23.8 14.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 22.1 27.8 33.7 31.0 32.0 31.7 24.8 13.0 38.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 38.9 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 512 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 53 47 41 38 36 35 30 17

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 493 73 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 115 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 493 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 314 39 144 493 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 21 17 20 13 11 1 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 493 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 314 39 144 493 190 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 31 27 29 19 17 9 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 493 217 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 12 10 12 5 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 25 23 25 18 13 2 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 25 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 493 141 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 53.6 48.1 43.8 38.5 36.5 35.6 30.0 18.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 27.4 32.0 35.2 35.3 36.5 36.8 31.0 16.9 42.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 42.9 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.2 49.6 63.4 64.7 70.1 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.2 46.7 63.3 70.1 70.1 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 40.2 74.3 74.3 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 38.9 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 42.9 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

Leq or Ldn

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.7 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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Sound Data Comparison

Cooling Tower 63 125 250 500 1000 2000 4000 8000 A-w1 CT SPL at 5ft. (100% capacity) 83 80 77 77 75 74 69 56 87

(80% capacity) -4 -4 -4 -4 -4 -4 -4 -41 CT (80% capacity) 79 76 73 73 71 70 65 523 CT 5 5 5 5 5 5 5 53 CT (80% capacity) 84 81 78 78 76 75 70 57 88

1 CT SPL at 5ft. (100% capacity) 83 80 77 77 75 74 69 56 872 CT 3 3 3 3 3 3 3 32 CT (100% capacity) 86 83 80 80 78 77 72 59 90

2 CT at 100% capacity is louder than 3 CT at 80% capacity, therefore better to have more CTs and operate them at reduced capacity.

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 97 91 85 82 80 79 74 61

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 3 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) concourse level NA 1000 tons 3 3 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 3 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit concourse level NA 2500 gpm 150 bhp 3 3 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Throught Drive = "Alternative 6D"

Operation Schedule: Daytime Peak Load3 CT at 80% capacityNo GENNO GEN exhaustNo MAF3 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 97 91 85 82 80 79 74 61

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 313.55 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 313.55 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% ca 313.55 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% 313.55 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

Page 22: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EAST (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 78 50 493 37 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62 56 50 47 45 44 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 493 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 33 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 493 53 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 493 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 22 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 21 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 493 100 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.3 56.4 50.6 47.3 45.3 44.3 39.1 26.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.1 40.3 42.0 44.1 45.3 45.5 40.1 25.0 51.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 51.3 63.5 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

Page 23: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 2: ITT AMERICAS TOWARD WEST (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 53 47 44 42 41 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 493 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 493 182 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 2 23 19 22 15 14 4 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 493 186 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 21 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 7 2 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 20 15 5 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 40 42 42 23 24 28 16 7

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 493 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.2 53.5 48.4 44.2 42.2 41.2 35.8 23.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.0 37.4 39.8 41.0 42.2 42.4 36.8 22.0 48.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 48.3 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Page 24: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTH (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 114 363 158 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 33 31 26 12

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 114 363 133 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 114 363 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 114 363 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 32 28 31 24 23 12 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 114 363 101 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 114 363 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 43 39 41 31 29 22 8 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 114 363 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 23 21 23 16 11 1 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 34 36 29 24 14 1 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 114 363 102 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 51.0 46.4 45.1 37.2 34.9 32.8 26.2 15.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 24.8 30.3 36.5 34.0 34.9 34.0 27.2 14.2 41.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 41.6 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

Page 25: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 144 363 170 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 49 43 37 34 32 31 25 12

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 363 145 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 363 146 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 144 363 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 363 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 32 34 27 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 50.0 45.3 43.4 35.9 33.6 31.9 25.4 14.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 23.8 29.2 34.8 32.7 33.6 33.1 26.4 13.8 40.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 40.3 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Page 26: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 55 49 43 40 38 37 32 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 493 73 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 115 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 493 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 144 493 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 493 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 144 493 190 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 493 217 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 25 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 493 141 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 55.3 49.7 44.9 40.3 38.2 37.3 31.7 19.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.1 33.6 36.3 37.1 38.2 38.5 32.7 18.3 44.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 44.5 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.2 51.3 63.5 64.7 70.1 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.2 48.3 63.3 64.7 70.1 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 41.6 74.3 70.0 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 40.3 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 44.5 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

FTA Category

Leq or Ldn

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB10^Leq/101:00 AM 64.7 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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Sound Data Comparison

Cooling Tower 63 125 250 500 1000 2000 4000 8000 A-w1 CT SPL at 5ft. (100% capacity) 83 80 77 77 75 74 69 56 87

(80% capacity) -4 -4 -4 -4 -4 -4 -4 -41 CT (80% capacity) 79 76 73 73 71 70 65 523 CT 5 5 5 5 5 5 5 53 CT (80% capacity) 84 81 78 78 76 75 70 57 88

1 CT SPL at 5ft. (100% capacity) 83 80 77 77 75 74 69 56 872 CT 3 3 3 3 3 3 3 32 CT (100% capacity) 86 83 80 80 78 77 72 59 90

2 CT at 100% capacity is louder than 3 CT at 80% capacity, therefore better to have more CTs and operate them at reduced capacity

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No R6 66.9 60.9 54.9 54.9 52.9 51.9 46.9 33.9 36 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 231 rpm 60 hp 3 3 512 No R7 65.0 59.0 53.0 53.0 51.0 50.0 45.0 32.0 48 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 232 rpm 60 hp 3 3 512 No R8 62.9 54.9 49.9 48.9 45.9 43.9 37.9 24.9 36 Marley, Model NC8312JL1 95 87 82 81 78 76 70 571 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 233 rpm 60 hp 3 3 512 No R9 61.0 53.0 48.0 47.0 44.0 42.0 36.0 23.0 48 Marley, Model NC8312JL1 95 87 82 81 78 76 70 57

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 3 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) concourse level NA 1000 tons 3 3 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 3 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacityconcourse level NA 2500 gpm 150 bhp 3 3 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Throught Drive = "Alternative 6D"

Operation Schedule: Daytime Peak Load3 CT at 80% capacityNo GENNO GEN exhaustNo MAF3 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 99 93 87 87 85 84 79 66 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 99 93 87 87 85 84 79 66 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 95 87 82 81 78 76 70 57 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 95 87 82 81 78 76 70 57 R9

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 313.55 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 313.55 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% ca 313.55 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% 313.55 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 99 93 87 87 85 84 79 66 48 62 512 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 65 59 53 52 50 49 44 31

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 503 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 503 202 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 503 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 503 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 3 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 503 108 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 64.5 58.6 52.7 52.5 50.5 49.4 44.3 31.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 38.3 42.5 44.1 49.3 50.5 50.6 45.3 30.2 56.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 56.0 64.0 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 99 93 87 87 85 84 79 66 48 62 512 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 55 49 49 47 46 41 28

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 503 43 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 503 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 503 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 22 15 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 503 195 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 41 41 22 23 27 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 503 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 61.5 55.6 50.0 49.4 47.4 46.3 41.1 28.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 35.3 39.5 41.4 46.2 47.4 47.5 42.1 27.0 52.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 52.9 63.6 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 87 82 81 78 76 70 57 48 62 512 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 53 48 47 44 42 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 513 55 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 513 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 513 212 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 12 2 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 10 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 13 11 13 5 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 26 24 26 18 13 3 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.9 53.0 48.3 46.8 43.8 41.8 35.6 22.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 34.7 36.9 39.7 43.6 43.8 43.0 36.6 21.8 49.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 49.5 63.4 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 87 82 81 78 76 70 57 48 62 512 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 50 45 44 40 38 32 19

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 513 48 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 513 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 513 201 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 513 205 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 10 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 513 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.6 50.0 46.0 43.6 40.6 38.7 32.3 19.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.4 33.9 37.4 40.4 40.6 39.9 33.3 18.8 46.4 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 46.4 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Peak Load) Cat 3 Leq 63.2 56.0 64.0 64.7 70.1 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Peak Load) Cat 3 Leq 63.2 52.9 63.6 64.7 70.1 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Peak Load) Cat 3 Leq 63.2 49.5 63.4 64.7 70.1 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Peak Load) Cat 3 Leq 63.2 46.4 63.3 64.7 70.1 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

FTA Category

Leq or Ldn

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.7 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 97 91 85 82 80 79 74 61

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

1a Load Bank Load Bank 2nd fl. Roof NA NA NA 1 1 386 No 79 90 87 89 89 87 89 93 Lw NA 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 1 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 95 95 91 86 74 78 81 81(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 1 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 94 97 95 93 86 81 78 78(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 2 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 88 91 81 72 60 66 59 57(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 3 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) concourse level NA 1000 tons 3 3 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 3 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacitconcourse level NA 2500 gpm 150 bhp 3 3 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = "Alternative 6D"

Operation Schedule: Daytime Testing Mode3 CT at 80% capacity1 GEN (2 GEN tested sequentially) GEN exhaust2 MAF3 CH/CHP/CWP at 80%2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)Load Bank

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 97 91 85 82 80 79 74 61

1a Load Bank Load Bank 385.66 No 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 475.41 Yes 95 95 91 86 74 78 81 81

3 GEN-EX-1,2 Generator Exhaust 488.16 No 94 97 95 93 86 81 78 78

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 88 91 81 72 60 66 59 57

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 313.55 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 313.55 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% ca 313.55 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% 313.55 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EAST (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 78 50 493 37 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62 56 50 47 45 44 39 26

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 120 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 37 32 29 17 1 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 78 50 493 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 40 40

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 493 44 33 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 32 30 21 4 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 493 53 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 493 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 22 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 21 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 493 100 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 63.3 61.1 58.1 56.1 50.8 47.8 45.8 47.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 37.1 45.0 49.5 52.9 50.8 49.0 46.8 46.5 57.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 57.9 65.4 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

Page 41: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 2: ITT AMERICAS TOWARD WEST (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 53 47 44 42 41 36 23

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 120 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 38 33 30 18 2 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 -1 50 493 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 61 59 57 50 45 41 41

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 30 28 19 3 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 493 182 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 2 23 19 22 15 14 4 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 493 186 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 21 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 7 2 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 20 15 5 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 40 42 42 23 24 28 16 7

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 493 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 61.6 61.5 59.2 57.1 51.2 47.5 45.7 47.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 35.4 45.4 50.6 53.9 51.2 48.7 46.7 46.7 58.4 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 58.4 65.5 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

Page 42: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTH (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 114 363 158 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 33 31 26 12

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 120 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 114 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 25 22 10 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 39 114 363 133 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 48 51 48 46 39 34 31 30

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 10 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 114 363 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 114 363 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 32 28 31 24 23 12 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 114 363 101 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 114 363 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 43 39 41 31 29 22 8 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 114 363 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 23 21 23 16 11 1 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 34 36 29 24 14 1 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 114 363 102 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 52.7 52.7 50.7 48.6 45.4 42.7 43.3 46.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 26.5 36.6 42.1 45.4 45.4 43.9 44.3 45.7 52.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 52.6 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

Page 43: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 144 363 170 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 49 43 37 34 32 31 25 12

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 120 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 24 21 9 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 39 144 363 145 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 47 50 48 46 39 33 30 29

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 9 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 363 146 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 144 363 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 363 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 32 34 27 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 51.8 52.0 49.8 48.1 45.1 42.5 43.3 46.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 25.6 35.9 41.2 44.9 45.1 43.7 44.3 45.7 52.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 52.3 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

Page 44: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTH (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 82 80 79 74 61 48 62 512 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 55 49 43 40 38 37 32 18

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 120 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 29 26 14 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 39 144 493 73 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 53 56 54 52 45 39 36 36

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 144 493 115 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 23 21 12 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 493 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 39 144 493 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 493 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 39 144 493 190 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 33 29 31 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 39 144 493 217 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 25 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 493 141 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.2 56.9 54.5 52.5 47.7 44.5 44.1 47.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.0 40.8 45.9 49.3 47.7 45.7 45.1 46.0 54.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 54.8 71.7 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 64.5 57.9 65.4 65.5 70.9 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 64.5 58.4 65.5 65.5 70.9 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 52.6 74.3 70.0 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 52.3 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 54.8 71.7 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No R6 66.9 60.9 54.9 54.9 52.9 51.9 46.9 33.9 36 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No R7 65.0 59.0 53.0 53.0 51.0 50.0 45.0 32.0 48 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No R8 62.9 54.9 49.9 48.9 45.9 43.9 37.9 24.9 36 Marley, Model NC8312JL1 95 87 82 81 78 76 70 571 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 3 512 No R9 61.0 53.0 48.0 47.0 44.0 42.0 36.0 23.0 48 Marley, Model NC8312JL1 95 87 82 81 78 76 70 57

1a Load Bank Load Bank 2nd fl. Roof NA NA NA 1 1 386 No 79 90 87 89 89 87 89 93 Lw NA 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 1 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 95 95 91 86 74 78 81 81(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 1 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 94 97 95 93 86 81 78 78(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 2 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 88 91 81 72 60 66 59 57(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 3 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) concourse level NA 1000 tons 3 3 314 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) concourse level NA 200 tons 1 0 314 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 3 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacitconcourse level NA 2500 gpm 150 bhp 3 3 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 2 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = "Alternative 6D"

Operation Schedule: Daytime Testing Mode3 CT at 80% capacity1 GEN (2 GEN tested sequentially) GEN exhaust2 MAF3 CH/CHP/CWP at 80%2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)Load Bank

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 99 93 87 87 85 84 79 66 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 99 93 87 87 85 84 79 66 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 95 87 82 81 78 76 70 57 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 95 87 82 81 78 76 70 57 R9

1a Load Bank Load Bank 385.66 No 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 475.41 Yes 95 95 91 86 74 78 81 81

3 GEN-EX-1,2 Generator Exhaust 488.16 No 94 97 95 93 86 81 78 78

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 88 91 81 72 60 66 59 57

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 313.55 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 313.55 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 313.55 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% ca 313.55 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% 313.55 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed 435.66 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 99 93 87 87 85 84 79 66 48 62 512 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 65 59 53 52 50 49 44 31

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 503 129 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 43 41 42 46INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 31 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 78 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 39 39

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 31 29 20 4 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 503 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 503 202 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 503 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 503 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 3 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 503 108 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 65.1 61.8 58.3 57.0 52.8 50.7 47.2 47.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 38.9 45.7 49.7 53.8 52.8 51.9 48.2 45.9 59.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 59.2 65.6 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 99 93 87 87 85 84 79 66 48 62 512 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 55 49 49 47 46 41 28

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 503 129 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 43 41 42 46INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 38 33 30 18 1 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 -1 50 503 43 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 60 58 56 49 44 41 41

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 29 27 18 2 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 503 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 503 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 23 19 22 15 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 11 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 503 195 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 14 12 14 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 25 27 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 41 41 22 23 27 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 503 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.9 61.6 58.9 57.2 52.0 49.1 46.3 47.2Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.7 45.5 50.3 54.0 52.0 50.3 47.3 46.1 58.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 58.8 65.5 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 87 82 81 78 76 70 57 48 62 512 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 53 48 47 44 42 36 23

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 513 138 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 42 40 42 45INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 31 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 78 50 513 55 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 55 58 56 54 47 42 39 39

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 30 28 19 3 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 513 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 78 50 513 212 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 12 2 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 10 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 13 11 13 5 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 26 24 26 18 13 3 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 61.9 59.5 57.0 55.1 49.7 46.2 44.1 46.2Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 35.7 43.4 48.4 51.9 49.7 47.4 45.1 45.1 56.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 56.7 65.2 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Testing Mode)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 87 82 81 78 76 70 57 48 62 512 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 50 45 44 40 38 32 19

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 513 138 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 42 40 42 45INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 37 32 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 488 -1 50 513 48 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 40 40

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 29 27 18 2 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 513 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 314 -1 50 513 201 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 18 21 14 13 3 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 314 -1 50 513 205 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 32 28 30 20 18 10 0 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 314 -1 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 26 24 26 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 513 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.1 60.0 57.8 55.8 49.9 45.9 44.2 46.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.9 43.9 49.2 52.6 49.9 47.1 45.2 45.4 57.1 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 57.1 65.2 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Daytime Operation, Testing ModeReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Daytime Operation, Testing Mode) Cat 3 Leq 64.5 59.2 65.6 65.5 70.9 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Daytime Operation, Testing Mode) Cat 3 Leq 64.5 58.8 65.5 65.5 70.9 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Daytime Operation, Testing Mode) Cat 3 Leq 64.5 56.7 65.2 65.5 70.9 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Daytime Operation, Testing Mode) Cat 3 Leq 64.5 57.1 65.2 65.5 70.9 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise Exposure

LevelAllowable Project Noise

Exposure Level

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 512 No R6 62.1 56.1 50.1 50.1 48.1 47.1 42.1 29.1 36 Marley, Model NC8312JL1 94 88 82 82 80 79 74 611 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 512 No R7 60.3 54.3 48.3 48.3 46.3 45.3 40.3 27.3 48 Marley, Model NC8312JL1 95 89 83 83 81 80 75 621 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 512 No R8 58.1 50.1 45.1 44.1 41.1 39.1 33.1 20.1 36 Marley, Model NC8312JL1 90 82 77 76 73 71 65 521 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 512 No R9 56.3 48.3 43.3 42.3 39.3 37.3 31.3 18.3 48 Marley, Model NC8312JL1 91 83 78 77 74 72 66 53

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 1 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers concourse level NA 1000 tons 3 0 314 Yes 101 102 103 100 102 102 98 91 Lw NY Trane CSO 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) concourse level NA 200 tons 1 1 314 Yes 97 98 99 96 98 98 94 87 Lw Trane 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 1 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacityconcourse level NA 2500 gpm 150 bhp 3 1 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 1 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 97 104 103 91 96 107 105 100

(without silencer) (25% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = " Alternative 6D"

Operation Schedule: Nighttime Off-Peak1 CT at 80% capacity (assumed summer-worse case, winter 1 CT at 25% capacity)No GENNO GEN exhaustNo MAF1 CHP/CWP at 80% capacity1 TVF at 100% fan speed, 25% capacity (assumed Forward Mode)1 Chiller 80% Capacity

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 94 88 82 82 80 79 74 61 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 95 89 83 83 81 80 75 62 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 90 82 77 76 73 71 65 52 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 91 83 78 77 74 72 66 53 R9

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 313.55 Yes 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 313.55 Yes 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) 313.55 Yes 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 313.55 Yes 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity) 313.55 Yes 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 435.66 Yes 97 104 103 91 96 107 105 100

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 94 88 82 82 80 79 74 61 48 62 512 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60 54 48 48 46 45 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 503 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 78 50 503 202 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 17 13 16 9 8 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 503 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 78 50 503 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 78 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 28 24 25 15 13 6 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 8 6 8 1 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 21 19 21 14 9 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 503 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 35 35 16 17 21 9 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 503 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 503 108 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.7 53.8 48.0 47.7 45.7 44.6 39.5 26.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.5 37.7 39.4 44.5 45.7 45.8 40.5 25.5 51.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 51.2 63.3 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 89 83 83 81 80 75 62 48 62 512 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 51 45 45 43 42 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 503 43 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 503 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 -1 50 503 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 18 14 17 10 9 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 -1 50 503 196 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 -1 50 503 195 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 28 24 26 15 13 6 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 9 7 9 2 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 20 22 15 10 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 503 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 503 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 503 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 56.8 51.0 45.6 44.7 42.7 41.7 36.4 23.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 30.6 34.9 37.0 41.5 42.7 42.9 37.4 22.5 48.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 48.3 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 90 82 77 76 73 71 65 52 48 62 512 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 48 43 42 39 37 31 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 513 55 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 513 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 78 50 513 212 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 17 13 16 9 8 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 78 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 23 25 15 13 6 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 8 6 8 1 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 21 19 21 14 9 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 513 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 34 34 15 16 20 9 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 513 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 56.1 48.2 43.7 42.0 39.0 37.0 30.9 18.7Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.9 32.1 35.1 38.8 39.0 38.2 31.9 17.6 44.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 44.7 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 91 83 78 77 74 72 66 53 48 62 512 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 53 45 40 39 36 34 28 14

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 513 48 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 513 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 -1 50 513 201 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 17 13 16 9 8 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 513 206 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 -1 50 513 205 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 -1 50 513 204 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 27 23 25 15 13 6 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 8 6 8 1 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 21 19 21 14 9 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 513 203 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 513 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 513 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 52.9 45.5 41.7 38.9 35.9 34.1 27.7 16.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 26.7 29.4 33.1 35.7 35.9 35.3 28.7 15.3 41.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 41.8 63.0 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower (Nighttime Operation, Off-Peak Load) Cat 3 Leq 63.0 51.2 63.3 64.6 70.0 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower (Nighttime Operation, Off-Peak Load) Cat 3 Leq 63.0 48.3 63.1 64.6 70.0 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower (Nighttime Operation, Off-Peak Load) Cat 3 Leq 63.0 44.7 63.1 64.6 70.0 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower (Nighttime Operation, Off-Peak Load) Cat 3 Leq 63.0 41.8 63.0 64.6 70.0 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise

Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 512 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 93 87 81 78 76 75 70 57

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 488 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 457 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) concourse level NA 3000 gpm 76 hp 3 1 314 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) concourse level NA 600 gpm 25 hp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers concourse level NA 1000 tons 3 0 314 Yes 101 102 103 100 102 102 98 91 Lw NY Trane CSO 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) concourse level NA 200 tons 1 1 314 Yes 97 98 99 96 98 98 94 87 Lw Trane 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) concourse level NA 2000 gpm 32 bhp 3 1 314 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) concourse level NA 1160 rpm 12 bhp 1 0 314 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacityconcourse level NA 2500 gpm 150 bhp 3 1 314 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) concourse level NA 1750 rpm 25 bhp 1 0 314 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 4th fl., Intake Plenum north façade 200,000 cfm 4 1 436 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 97 104 103 91 96 107 105 100

(without silencer) (25% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 4th fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 436 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 3rd fl. north façade 1400 cfm 3 3 414 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility with Through Drive = " Alternative 6D"

Operation Schedule: Nighttime Off-Peak1 CT at 80% capacity (assumed summer-worse case, winter 1 CT at 25% capacity)No GENNO GEN exhaustNo MAF1 CHP/CWP at 80% capacity1 TVF at 100% fan speed, 25% capacity (assumed Forward Mode)1 Chiller 80% Capacity

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 511.98 No 93 87 81 78 76 75 70 57

INDOORS2 GEN-1,2 Generator 475.41 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 488.16 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475.41 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 457.16 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 313.55 Yes 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 313.55 Yes 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) 313.55 Yes 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 313.55 Yes 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity) 313.55 Yes 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 313.55 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 435.66 Yes 97 104 103 91 96 107 105 100

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 435.66 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 413.91 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EAST (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 512 78 50 493 37 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 52 46 43 40 39 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 78 50 493 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 33 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 78 50 493 53 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 78 50 493 193 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 18 14 17 10 9 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 78 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 78 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 28 24 26 16 14 6 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 9 7 9 1 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 20 22 14 9 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 78 50 493 197 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 35 35 16 17 21 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 78 50 493 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 78 50 493 100 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.6 51.7 46.0 42.5 40.5 39.5 34.3 21.7Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.4 35.6 37.4 39.3 40.5 40.7 35.3 20.6 46.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 46.6 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

Page 66: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 2: ITT AMERICAS TOWARD WEST (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 512 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 54 48 42 39 37 36 31 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 -1 50 493 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 -1 50 493 182 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 2 18 14 17 10 9 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 -1 50 493 187 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 -1 50 493 186 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 -1 50 493 185 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 28 24 26 16 14 7 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 9 7 9 2 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 20 22 15 10 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 -1 50 493 183 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 37 39 39 20 21 25 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 -1 50 493 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 -1 50 493 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 54.5 48.8 44.0 39.4 37.4 36.5 31.1 18.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 28.3 32.7 35.4 36.2 37.4 37.7 32.1 17.8 43.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 43.7 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTH (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 512 39 114 363 158 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 45 39 33 30 28 27 21 8

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 114 363 133 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 114 363 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 39 114 363 68 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 27 23 26 19 18 8 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 114 363 101 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 39 114 363 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 39 114 363 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 29 31 21 19 12 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 114 363 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 114 363 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 114 363 102 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 45.8 41.6 39.9 31.8 29.5 28.3 21.8 13.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 19.6 25.5 31.3 28.6 29.5 29.5 22.8 12.2 36.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 36.5 63.0 64.6 70.0 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTH (Nighttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 512 39 144 363 170 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 44 38 32 29 27 26 20 7

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 363 145 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 363 146 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 39 144 363 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 25 21 24 16 15 5 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 39 144 363 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 27 29 19 17 10 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 16 14 16 9 4 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 27 29 22 17 7 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 363 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 35 35 16 17 21 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 363 99 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 363 128 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 45.0 40.6 38.5 30.7 28.5 27.4 21.0 13.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 18.8 24.5 29.9 27.5 28.5 28.6 22.0 11.9 35.4 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 35.4 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTH (NIghttime Operation, Off-Peak Load)Number Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 512 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 33 32 27 14

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 488 39 144 493 73 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 115 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 457 39 144 493 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 314 39 144 493 194 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 18 14 17 10 8 0 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 314 39 144 493 215 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 314 39 144 493 190 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 314 39 144 493 217 47 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 2 2 27 23 25 14 12 5 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 9 7 9 2 0 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 22 20 22 15 10 0 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 314 39 144 493 192 46 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 1 1 2 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 18 22 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 436 39 144 493 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 414 39 144 493 141 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 50.6 45.1 40.7 35.5 33.5 32.6 27.1 15.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 24.4 29.0 32.1 32.3 33.5 33.8 28.1 14.8 39.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 39.9 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility with Through Drive - Nighttime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.0 46.6 63.1 64.6 70.0 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.0 43.7 63.1 64.6 70.0 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 63.0 36.5 63.0 64.6 70.0 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 35.4 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 39.9 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise

Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 513 No R6 65.2 59.2 53.2 53.2 51.2 50.2 45.2 32.2 36 Marley, Model NC8312JL1 97 91 85 85 83 82 77 641 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 513 No R7 63.3 57.3 51.3 51.3 49.3 48.3 43.3 30.3 48 Marley, Model NC8312JL1 98 92 86 86 84 83 78 651 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 513 No R8 61.2 53.2 48.2 47.2 44.2 42.2 36.2 23.2 36 Marley, Model NC8312JL1 93 85 80 79 76 74 68 551 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 513 No R9 59.3 51.3 46.3 45.3 42.3 40.3 34.3 21.3 48 Marley, Model NC8312JL1 94 86 81 80 77 75 69 56

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 2 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 4th fl. north façade 1000 tons 3 2 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 2 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 2 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Off-Peak Load2 CT at 80% capacityNo GENNO GEN exhaustNo MAF2 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 97 91 85 85 83 82 77 64 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 98 92 86 86 84 83 78 65 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 93 85 80 79 76 74 68 55 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 94 86 81 80 77 75 69 56 R9

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 435 Yes 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 437 Yes 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 429 Yes 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacit 426 Yes 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOPCT-1,2,3 Cooling Towers (exh., 80% capacity) No No 97 91 85 85 83 82 77 64 48 62 513 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63 57 51 51 49 48 43 29

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 503 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 503 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 78 50 503 98 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 27 23 26 19 18 7 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 78 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 3 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 17 15 17 10 5 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 28 30 22 17 7 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 18 22 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 503 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.8 56.8 51.1 50.7 48.7 47.7 42.5 29.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.6 40.7 42.5 47.5 48.7 48.9 43.5 28.4 54.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 54.2 63.7 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOPCT-1,2,3 Cooling Towers (exh., 80% capacity) No No 98 92 86 86 84 83 78 65 48 62 513 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60 54 48 48 46 45 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 503 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 503 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 -1 50 503 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 19 17 19 12 7 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 30 32 25 20 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 503 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.8 53.9 48.5 47.7 45.7 44.6 39.4 26.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.6 37.8 39.9 44.5 45.7 45.8 40.4 25.3 51.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 51.2 63.5 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 85 80 79 76 74 68 55 48 62 513 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 51 46 45 42 40 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 513 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 513 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 78 50 513 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 26 22 25 18 17 7 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 513 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 78 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 33 35 25 23 16 2 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 513 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 16 14 16 9 4 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 27 29 22 17 7 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 17 21 10 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 513 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.2 51.3 46.9 45.2 42.2 40.1 34.0 21.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.0 35.2 38.3 42.0 42.2 41.3 35.0 20.3 47.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 47.9 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 94 86 81 80 77 75 69 56 48 62 513 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 48 43 42 39 37 31 17

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 513 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 513 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 -1 50 513 83 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 -1 50 513 90 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 33 35 25 23 16 3 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 513 88 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 513 123 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 56.0 48.4 44.7 42.0 39.0 37.0 30.6 18.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.8 32.3 36.1 38.8 39.0 38.2 31.6 17.4 44.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 44.8 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower Cat 3 Leq 63.2 54.2 63.7 64.7 70.1 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower Cat 3 Leq 63.2 51.2 63.5 64.7 70.1 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower Cat 3 Leq 63.2 47.9 63.3 64.7 70.1 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower Cat 3 Leq 63.2 44.8 63.3 64.7 70.1 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise Exposure

Level

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 2 513 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 96 90 84 81 79 78 73 60

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 2 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 4th fl. north façade 1000 tons 3 2 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 2 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 2 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Off-Peak Load2 CT at 80% capacityNo GENNO GEN exhaustNo MAF2 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 96 90 84 81 79 78 73 60

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) 435 Yes 90 91 93 93 96 93 89 837 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) 437 Yes 100 101 102 99 101 101 97 909 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) 429 Yes 81 84 85 85 84 81 78 7311 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity 426 Yes 94 97 98 98 97 94 91 8613 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EASTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 513 78 50 493 38 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60 54 48 45 43 42 37 24

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 493 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 78 50 493 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 27 23 26 19 18 8 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 17 15 17 10 5 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 28 30 23 18 8 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 22 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.5 54.6 49.0 45.5 43.5 42.4 37.2 24.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 34.3 38.5 40.4 42.3 43.5 43.6 38.2 23.2 49.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 49.5 63.4 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 2: ITT AMERICAS TOWARD WESTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 513 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 51 45 42 40 39 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 493 44 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 -1 50 493 65 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 30 26 29 22 21 11 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 -1 50 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 18 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 493 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.4 51.7 46.9 42.6 40.5 39.4 34.0 21.4Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.2 35.6 38.3 39.4 40.5 40.6 35.0 20.3 46.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 46.6 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 513 39 114 363 159 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 48 42 36 33 31 30 24 10

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 120 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 114 363 153 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 114 363 126 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 39 114 363 86 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 114 363 114 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 39 114 363 81 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 114 363 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 12 7 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacity Yes No 94 97 98 98 97 94 91 86 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 41 43 43 24 25 29 17 8

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 114 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 49.2 45.9 44.8 34.9 32.9 32.4 25.0 15.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 23.0 29.8 36.2 31.7 32.9 33.6 26.0 14.0 40.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 40.6 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 513 39 144 363 171 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 47 41 35 32 30 29 23 10

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 363 164 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 363 147 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 39 144 363 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 26 22 25 18 17 7 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 363 138 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 39 144 363 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 33 35 25 23 15 2 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 363 143 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacit Yes No 94 97 98 98 97 94 91 86 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 48.3 44.4 42.8 33.8 31.8 31.0 24.0 14.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 22.1 28.3 34.2 30.6 31.8 32.2 25.0 13.2 39.1 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 39.1 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 96 90 84 81 79 78 73 60 48 62 513 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 53 47 41 38 36 35 30 17

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 493 75 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (2 at 80% capacity) Yes No 90 91 93 93 96 93 89 83 12 75 435 39 144 493 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 27 23 26 19 18 8 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 493 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (2 at 80% capacity) Yes No 100 101 102 99 101 101 97 90 36 82 437 39 144 493 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 3 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 493 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (2 at 80% capacity) Yes No 81 84 85 85 84 81 78 73 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (2 at 80% capacit Yes No 94 97 98 98 97 94 91 86 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 493 154 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 53.6 48.1 43.9 38.8 36.7 35.5 29.9 17.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 27.4 32.0 35.3 35.6 36.7 36.7 30.9 16.8 43.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 43.0 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.2 49.5 63.4 64.7 70.1 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.2 46.6 63.3 64.7 70.1 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 40.6 74.3 70.0 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 39.1 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 43.0 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise Exposure

Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 97 91 85 82 80 79 74 61

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 3 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 4th fl. north façade 1000 tons 3 3 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 3 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 3 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Peak Load3 CT at 80% capacityNo GENNO GEN exhaustNo MAF3 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 97 91 85 82 80 79 74 61

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 435 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 437 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 429 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity 426 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EASTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 78 50 493 38 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62 56 50 47 45 44 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 493 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 493 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 19 17 19 12 7 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 30 32 25 20 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 22 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.2 56.3 50.7 47.3 45.2 44.1 38.9 26.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.0 40.2 42.1 44.1 45.2 45.3 39.9 24.9 51.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 51.3 63.5 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 2: ITT AMERICAS TOWARD WESTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 53 47 44 42 41 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 493 44 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 493 65 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 32 28 31 24 23 13 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 41 37 39 29 27 20 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 22 20 22 15 10 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 33 35 28 23 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 493 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.2 53.4 48.4 44.3 42.3 41.1 35.7 23.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.0 37.3 39.8 41.1 42.3 42.3 36.7 21.9 48.4 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 48.4 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 114 363 159 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 32 31 26 12

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 120 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 114 363 153 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 114 363 126 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 114 363 86 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 26 29 22 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 114 363 114 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 114 363 81 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 114 363 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 33 35 28 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 41 43 43 24 25 29 17 8

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 114 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 50.8 46.9 45.5 36.5 34.4 33.4 26.4 15.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 24.6 30.8 36.9 33.3 34.4 34.6 27.4 14.7 41.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 41.7 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 144 363 171 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 49 43 37 34 32 31 25 12

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 363 164 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 363 147 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 144 363 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 363 138 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 144 363 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 363 143 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capaci Yes No 96 99 100 100 99 96 93 88 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 49.9 45.5 43.6 35.5 33.4 32.2 25.5 15.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 23.7 29.4 35.0 32.3 33.4 33.4 26.5 13.9 40.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 40.3 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 55 49 43 40 38 37 32 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 493 75 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 144 493 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 493 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 144 493 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 18 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 493 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capaci Yes No 96 99 100 100 99 96 93 88 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 493 154 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 55.4 49.7 45.4 40.6 38.5 37.2 31.7 19.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.2 33.6 36.8 37.4 38.5 38.4 32.7 18.2 44.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 44.7 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

FTA CriteriaNoise LevelResult

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.2 51.3 63.5 64.7 70.1 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.2 48.4 63.3 64.7 70.1 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 41.7 74.3 70.0 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 40.3 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 44.7 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise Exposure

Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R6 66.9 60.9 54.9 54.9 52.9 51.9 46.9 33.9 36 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R7 65.0 59.0 53.0 53.0 51.0 50.0 45.0 32.0 48 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R8 62.9 54.9 49.9 48.9 45.9 43.9 37.9 24.9 36 Marley, Model NC8312JL1 95 87 82 81 78 76 70 571 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R9 61.0 53.0 48.0 47.0 44.0 42.0 36.0 23.0 48 Marley, Model NC8312JL1 95 87 82 81 78 76 70 57

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 3 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 4th fl. north façade 1000 tons 3 3 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 3 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 3 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Peak Load3 CT at 80% capacityNo GENNO GEN exhaustNo MAF3 CH/CHP/CWP at 80% capacity2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 99 93 87 87 85 84 79 66 R61 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 99 93 87 87 85 84 79 66 R71 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 95 87 82 81 78 76 70 57 R81 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 95 87 82 81 78 76 70 57 R9

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 435 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 437 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 429 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity 426 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 99 93 87 87 85 84 79 66 48 62 513 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64 58 52 52 50 49 44 31

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 503 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 503 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 503 98 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 25 18 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 18 22 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 503 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 64.5 58.5 52.7 52.5 50.4 49.4 44.2 31.2Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 38.3 42.4 44.1 49.3 50.4 50.6 45.2 30.1 56.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 56.0 63.9 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 99 93 87 87 85 84 79 66 48 62 513 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 55 49 49 47 46 41 28

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 503 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 503 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 503 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 27 30 23 22 12 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 32 34 27 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 503 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 61.5 55.5 50.1 49.4 47.4 46.3 41.1 28.0Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 35.3 39.4 41.5 46.2 47.4 47.5 42.1 26.9 52.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 52.9 63.6 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 95 87 82 81 78 76 70 57 48 62 513 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 53 48 47 44 42 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 513 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 513 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 513 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 513 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 18 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 513 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 8 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 17 21 10 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 513 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.9 53.0 48.5 46.9 43.9 41.8 35.6 22.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 34.7 36.9 39.9 43.7 43.9 43.0 36.6 21.8 49.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 49.6 63.4 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 95 87 82 81 78 76 70 57 48 62 513 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 50 45 44 40 38 32 19

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 513 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 513 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 513 83 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 26 29 22 21 11 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 513 90 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 18 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 513 88 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 513 123 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.7 50.0 46.2 43.7 40.7 38.6 32.3 19.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.5 33.9 37.6 40.5 40.7 39.8 33.3 18.8 46.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.2 46.5 63.3 64.7 70.1 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.7LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.1

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower Cat 3 Leq 63.2 56.0 63.9 64.7 70.1 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower Cat 3 Leq 63.2 52.9 63.6 64.7 70.1 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower Cat 3 Leq 63.2 49.6 63.4 64.7 70.1 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower Cat 3 Leq 63.2 46.5 63.3 64.7 70.1 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Exposure Allowable Project Noise Exposure

Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Testing ModeEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 97 91 85 82 80 79 74 61

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

1a Load Bank Load Bank 2nd fl. Roof NA NA NA 1 1 386 No 79 90 87 89 89 87 89 93 Lw NA 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 1 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 95 95 91 86 74 78 81 81(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 1 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 94 97 95 93 86 81 78 78(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 2 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 88 91 81 72 60 66 59 57(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 3 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 4th fl. north façade 1000 tons 3 3 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 3 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 3 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Testing Mode3 CT at 80% capacity1 GEN (2 GEN tested sequentially) GEN exhaust2 MAF3 CH/CHP/CWP at 80%2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)Load Bank

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Testing ModeSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 97 91 85 82 80 79 74 61

1a Load Bank Load Bank 386 No 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 475 Yes 95 95 91 86 74 78 81 81

3 GEN-EX-1,2 Generator Exhaust 509.5 No 94 97 95 93 86 81 78 78

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 88 91 81 72 60 66 59 57

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 435 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 437 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 429 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity 426 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EASTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 78 50 493 38 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62 56 50 47 45 44 39 26

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 493 119 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 44 44 42 43 47INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 37 32 29 17 1 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 78 50 493 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 39 39

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 493 44 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 31 29 20 4 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 493 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 19 17 19 12 7 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 30 32 25 20 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 22 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 63.1 60.8 57.8 55.7 50.6 47.7 45.6 47.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.9 44.7 49.2 52.5 50.6 48.9 46.6 46.4 57.6 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 57.6 65.3 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

Page 109: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 2: ITT AMERICAS TOWARD WESTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59 53 47 44 42 41 36 23

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 -1 50 493 123 42 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 34 45 42 43 43 41 43 46INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 38 33 30 18 2 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 -1 50 493 44 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 60 58 56 49 44 41 41

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 30 28 19 3 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 493 65 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 32 28 31 24 23 13 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 41 37 39 29 27 20 6 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 22 20 22 15 10 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 33 35 28 23 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 37 39 39 20 21 24 13 4

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 493 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 61.3 61.1 58.7 56.6 50.8 47.1 45.4 47.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 35.1 45.0 50.1 53.4 50.8 48.3 46.4 46.4 58.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 58.0 65.4 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

Page 110: APPENDIX F-1 FTA Operational Noise Analysis Calculation ...web.mta.info/capital/esa_docs/eafiles06/Appendix F-1 FTA Operation… · OPERATIONS NOISE ANALYSIS - 50th Street Facility

RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 114 363 159 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 32 31 26 12

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 39 114 363 107 41 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 35 46 43 45 45 43 44 48INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 114 363 120 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 25 22 10 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 39 114 363 153 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 46 49 47 45 38 33 29 29

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 10 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 114 363 126 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 114 363 86 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 26 29 22 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 114 363 114 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 114 363 81 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 114 363 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit Yes No 96 99 100 100 99 96 93 88 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 33 35 28 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 41 43 43 24 25 29 17 8

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 114 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 52.2 52.4 50.3 48.3 45.9 43.4 44.3 47.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 26.0 36.3 41.7 45.1 45.9 44.6 45.3 46.8 53.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 74.3 53.0 74.3 70.0 77.7 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 72.8LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 77.7

LE >77 Lp= 80

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 144 363 171 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 49 43 37 34 32 31 25 12

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 39 144 363 136 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 43 40 42 45INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 24 21 9 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 39 144 363 164 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 46 49 47 45 37 32 29 28

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 9 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 363 147 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 144 363 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 363 138 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 144 363 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 34 36 26 24 17 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 363 143 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capaci Yes No 96 99 100 100 99 96 93 88 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 38 40 40 21 22 26 15 6

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 51.4 51.2 49.1 47.0 44.1 41.5 42.1 45.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 25.2 35.1 40.5 43.8 44.1 42.7 43.1 44.5 51.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 51.2 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 97 91 85 82 80 79 74 61 48 62 513 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 55 49 43 40 38 37 32 18

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 39 144 493 172 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 31 42 39 41 40 38 40 43INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 29 26 14 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 39 144 493 75 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 52 55 53 51 44 39 36 36

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 39 144 493 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 23 21 12 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 39 144 493 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 25 28 21 20 10 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 493 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 39 144 493 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 18 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 39 144 493 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capaci Yes No 96 99 100 100 99 96 93 88 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 10 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 493 154 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.2 56.6 54.2 52.1 46.6 43.1 41.6 43.9Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.0 40.5 45.6 48.9 46.6 44.3 42.6 42.8 53.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 53.7 71.7 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptoSource Location

Noise Level

dB 63Receptor Location

4k

FTA Criteria

125 250 8k500 1k 2k

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Testing ModeReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 64.5 57.6 65.3 65.5 70.9 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 64.5 58.0 65.4 65.5 70.9 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 74.3 53.0 74.3 70.0 77.7 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 51.2 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 53.7 71.7 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Allowable Project Noise Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Testing ModeEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R6 66.9 60.9 54.9 54.9 52.9 51.9 46.9 33.9 36 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R7 65.0 59.0 53.0 53.0 51.0 50.0 45.0 32.0 48 Marley, Model NC8312JL1 99 93 87 87 85 84 79 661 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R8 62.9 54.9 49.9 48.9 45.9 43.9 37.9 24.9 36 Marley, Model NC8312JL1 95 87 82 81 78 76 70 571 CT-1,2,3 Cooling Towers (exh., 100% capacity) Roof NA 230 rpm 60 hp 3 3 513 No R9 61.0 53.0 48.0 47.0 44.0 42.0 36.0 23.0 48 Marley, Model NC8312JL1 95 87 82 81 78 76 70 57

1a Load Bank Load Bank 2nd fl. Roof NA NA NA 1 1 386 No 79 90 87 89 89 87 89 93 Lw NA 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 1 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 95 95 91 86 74 78 81 81(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 1 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 94 97 95 93 86 81 78 78(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 2 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 88 91 81 72 60 66 59 57(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 3 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 4th fl. north façade 1000 tons 3 3 437 Yes 97 98 99 96 98 98 94 87 Lw NY Trane CSO 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 4th fl. north façade 200 tons 1 0 437 Yes 93 84 81 80 79 78 75 68 Lw Trane 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 3 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 3 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 2 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 100 107 106 94 99 110 108 103

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Daytime Testing Mode3 CT at 80% capacity1 GEN (2 GEN tested sequentially) GEN exhaust2 MAF3 CH/CHP/CWP at 80%2 TVF at 100% fan speed, 50% capacity, (assumed Forward Mode)Load Bank

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Daytime Operation, Testing ModeSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 99 93 87 87 85 84 79 66 R61 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 99 93 87 87 85 84 79 66 R71 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 95 87 82 81 78 76 70 57 R81 CT-1,2,3 Cooling Towers (exh., 100% capacity) 513 No 95 87 82 81 78 76 70 57 R9

1a Load Bank Load Bank 386 No 79 90 87 89 89 87 89 93INDOORS

2 GEN-1,2 Generator 475 Yes 95 95 91 86 74 78 81 81

3 GEN-EX-1,2 Generator Exhaust 509.5 No 94 97 95 93 86 81 78 78

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 88 91 81 72 60 66 59 57

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) 435 Yes 92 93 95 95 98 95 91 857 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) 437 Yes 102 103 104 101 103 103 99 929 CH-4 Chiller (nighttime use only) 437 Yes 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) 429 Yes 83 86 87 87 86 83 80 7511 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacit 426 Yes 96 99 100 100 99 96 93 8813 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 100 107 106 94 99 110 108 103

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 99 93 87 87 85 84 79 66 48 62 513 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64 58 52 52 50 49 44 31

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 503 128 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 43 41 42 46INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 31 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 78 50 503 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 40 40

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 31 29 20 4 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 503 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 503 98 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 18 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 19 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 9 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 18 22 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 503 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 65.1 61.9 58.6 57.2 52.9 50.7 47.2 47.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 38.9 45.8 50.0 54.0 52.9 51.9 48.2 46.0 59.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 59.3 65.6 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 99 93 87 87 85 84 79 66 48 62 513 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 55 49 49 47 46 41 28

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 -1 50 503 132 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 43 41 42 46INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 38 33 29 17 1 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 -1 50 503 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 61 59 57 50 45 41 41

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 29 27 18 2 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 503 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 503 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 27 30 23 22 12 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 40 36 38 28 26 19 5 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 21 19 21 14 9 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 32 34 27 22 12 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 38 38 19 20 24 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 503 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 63.0 61.9 59.3 57.5 52.2 49.2 46.3 47.2Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.8 45.8 50.7 54.3 52.2 50.4 47.3 46.1 59.0 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 59.0 65.6 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 95 87 82 81 78 76 70 57 48 62 513 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 53 48 47 44 42 36 23

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 78 50 513 137 43 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 33 44 41 43 42 40 42 45INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 31 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 78 50 513 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 59 57 55 48 43 40 40

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 30 28 19 2 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 513 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 78 50 513 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 24 27 20 19 9 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 513 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 78 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 18 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 78 50 513 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 18 16 18 11 6 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 29 31 24 19 8 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 17 21 10 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 513 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 62.2 60.2 57.8 56.0 50.3 46.6 44.5 46.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 36.0 44.1 49.2 52.8 50.3 47.8 45.5 45.4 57.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 57.3 65.3 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 100% capacity) No No 95 87 82 81 78 76 70 57 48 62 513 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 50 45 44 40 38 32 19

1a Load Bank Load Bank No No 79 90 87 89 89 87 89 93 44 10 386 -1 50 513 141 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 32 43 40 42 42 40 41 45INDOORS

2 GEN-1,2 Generator Yes No 95 95 91 86 74 78 81 81 34 71 475 -1 50 513 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 36 31 28 16 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 94 97 95 93 86 81 78 78 34 71 510 -1 50 513 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58 61 59 57 50 45 41 41

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 88 91 81 72 60 66 59 57 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 29 27 18 2 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 513 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (3 at 80% capacity) Yes No 92 93 95 95 98 95 91 85 12 75 435 -1 50 513 83 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 26 29 22 21 11 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers (3 at 80% capacity) Yes No 102 103 104 101 103 103 99 92 36 82 437 -1 50 513 90 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 39 35 37 27 25 18 4 09 CH-4 Chiller (nighttime use only) Yes No 0 0 0 0 0 0 0 0 34 22 437 -1 50 513 88 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (3 at 80% capacity) Yes No 83 86 87 87 86 83 80 75 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 20 18 20 13 8 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (3 at 80% capacity Yes No 96 99 100 100 99 96 93 88 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 31 33 26 21 11 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 100 107 106 94 99 110 108 103 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 11 2

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 513 123 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 60.7 61.2 59.0 57.1 50.8 46.7 44.7 46.7Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 34.5 45.1 50.4 53.9 50.8 47.9 45.7 45.6 58.1 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 64.5 58.1 65.4 65.5 70.9 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 65.5LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.9

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Daytime Operation, Testing ModeReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower Cat 3 Leq 64.5 59.3 65.6 65.5 70.9 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower Cat 3 Leq 64.5 59.0 65.6 65.5 70.9 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower Cat 3 Leq 64.5 57.3 65.3 65.5 70.9 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower Cat 3 Leq 64.5 58.1 65.4 65.5 70.9 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Allowable Project Noise Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Nighttime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Receptor Distance Notes

air opening to outside (hp) Total Active Source Yes/No # 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 513 No R6 62.1 56.1 50.1 50.1 48.1 47.1 42.1 29.1 36 Marley, Model NC8312JL1 94 88 82 82 80 79 74 611 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 513 No R7 60.3 54.3 48.3 48.3 46.3 45.3 40.3 27.3 48 Marley, Model NC8312JL1 95 89 83 83 81 80 75 621 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 513 No R8 58.1 50.1 45.1 44.1 41.1 39.1 33.1 20.1 36 Marley, Model NC8312JL1 90 82 77 76 73 71 65 521 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 513 No R9 56.3 48.3 43.3 42.3 39.3 37.3 31.3 18.3 48 Marley, Model NC8312JL1 91 83 78 77 74 72 66 53

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 1 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 4th fl. north façade 1000 tons 3 0 437 Yes 101 102 103 100 102 102 98 91 Lw NY Trane CSO 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) 4th fl. north façade 200 tons 1 1 437 Yes 97 98 99 96 98 98 94 87 Lw Trane 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 1 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 1 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 1 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 97 104 103 91 96 107 105 100

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Nighttime Off-Peak1 CT at 80% capacity (assumed summer-worse case, winter 1 CT at 25% capacity)No GENNO GEN exhaustNo MAF1 CHP/CWP at 80% capacity1 TVF at 100% fan speed, 25% capacity (assumed Forward Mode)1 Chiller 80% Capacity

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Nighttime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed Receptor

Source Yes/No 63 125 250 500 1k 2k 4k 8k #

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 94 88 82 82 80 79 74 61 R61 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 95 89 83 83 81 80 75 62 R71 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 90 82 77 76 73 71 65 52 R81 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 91 83 78 77 74 72 66 53 R9

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 435 Yes 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 437 Yes 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) 437 Yes 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 429 Yes 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacit 426 Yes 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 97 104 103 91 96 107 105 100

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 6: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 94 88 82 82 80 79 74 61 48 62 513 78 50 503 34 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 60 54 48 48 46 45 39 26

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 503 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 503 59 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 78 50 503 98 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 24 20 23 16 15 4 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 78 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 78 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 31 33 23 21 14 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 14 12 14 7 2 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 503 110 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 27 25 27 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 503 112 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 33 33 14 15 19 7 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 503 129 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 503 125 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 59.7 53.7 48.0 47.6 45.6 44.6 39.4 26.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 33.5 37.6 39.4 44.4 45.6 45.8 40.4 25.4 51.1 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 51.1 63.3 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 7: ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 95 89 83 83 81 80 75 62 48 62 513 -1 50 503 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 51 45 45 43 42 36 23

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 503 49 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 503 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 503 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 503 66 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 -1 50 503 74 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 26 22 25 18 17 7 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 503 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 -1 50 503 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 31 33 23 21 14 1 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 16 14 16 9 4 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 503 82 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 29 27 29 22 17 7 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 503 85 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 33 35 35 16 17 21 9 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 503 106 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 503 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 56.8 50.9 45.5 44.7 42.7 41.6 36.4 23.5Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 30.6 34.8 36.9 41.5 42.7 42.8 37.4 22.4 48.2 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 48.2 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k500 1k 2k 4k

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RECEPTOR 8: COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 90 82 77 76 73 71 65 52 48 62 513 78 50 513 32 31 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 56 48 43 42 39 37 31 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 513 62 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 513 49 34 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 513 55 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 513 67 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 78 50 513 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 23 19 22 15 14 4 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 513 89 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 78 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 78 50 513 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 30 32 22 20 13 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 13 11 13 6 1 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 513 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 26 24 26 19 14 4 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 513 119 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 33 33 14 14 18 7 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 513 137 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 513 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 56.1 48.3 43.8 42.1 39.1 37.0 30.9 18.7Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 29.9 32.2 35.2 38.9 39.1 38.2 31.9 17.6 44.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 44.8 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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RECEPTOR 9: ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling towerNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 91 83 78 77 74 72 66 53 48 62 513 -1 50 513 50 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 53 45 40 39 36 34 28 14

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 513 56 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 513 41 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 513 61 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 513 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 -1 50 513 83 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 25 21 24 17 16 6 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 513 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 -1 50 513 90 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 -1 50 513 88 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 30 32 22 20 13 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 15 13 15 8 3 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 513 91 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 26 28 21 16 6 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 513 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 34 34 15 16 20 8 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 513 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 513 123 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 53.0 45.4 41.7 39.0 36.1 34.0 27.7 16.3Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 26.8 29.3 33.1 35.8 36.1 35.2 28.7 15.2 41.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 41.9 63.0 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Noise LevelResult

500 1k 2k 4k

FTA Criteria

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8kBasic Octave Band Sound Power Level (Lw)

Distance factor (Adiv) = 20logD+0.6 Shielding factor

(Ascreen)

Ground factor

(Aground)

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Nighttime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R6 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 1-story above cooling tower Cat 3 Leq 63.0 51.1 63.3 64.6 70.0 No ImpactR7 ITT AMERICAS BUILDING TOWARD WEST, Windows 1-story above cooling tower Cat 3 Leq 63.0 48.2 63.1 64.6 70.0 No ImpactR8 COLGATE-PALMOLIVE BUILDING TOWARD EAST, Windows 2-stories above cooling tower Cat 3 Leq 63.0 44.8 63.1 64.6 70.0 No ImpactR9 ITT AMERICAS BUILDING TOWARD WEST, Windows 2-stories above cooling tower Cat 3 Leq 63.0 41.9 63.0 64.6 70.0 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Allowable Project Noise Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Nighttime Operation, Off-Peak LoadEQUIPMENT LISTNumber Tag Equipment Location Location of louver or Capacity Size Height of Enclosed Distance Notes

air opening to outside (hp) Total Active Source Yes/No 63 125 250 500 1k 2k 4k 8k (feet) 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) Roof NA 230 rpm 60 hp 3 1 513 No 78 72 66 63 61 60 55 42 5 Marley, Model NC8312JL1 93 87 81 78 76 75 70 57

79 76 73 73 71 70 65 52 51 4 7 10 10 10 10 10 60° directivity

INDOORS2 GEN-1,2 Generator 6th fl. (Z-wall design) north façade 1800 rpm 2647 bhp 2 0 475 Yes 95 95 91 86 74 78 81 81 Lw Cummins, 2MW 0 0 0 0 0 0 0 0

(without treatment) 100 101 101 101 99 97 94 89 LwZ-wall return (used data for 3ft. Silencer) 5 6 10 15 25 19 13 8

3 GEN-EX-1,2Generator Exhaust 6th fl. Roof Vertical Ex. Roof 1800 rpm 2647 bhp 2 0 509.5 No 79 82 80 78 71 66 63 63 5 Cummins 2 MW 0 0 0 0 0 0 0 0(without silencer) 98 107 111 114 111 109 102 95 5Muffler 19 25 31 36 40 43 39 32

4 MAF-1,2,3,4Makeup Fans (Gen.) 6th fl. south façade 31,400 cfm 6.81 bhp 4 0 475 Yes 85 88 78 69 57 63 56 54 Lw Greenheck, QEI-40, 700 rpm 0 0 0 0 0 0 0 0(without silencer) 90 94 88 84 82 82 69 62 LwSilencer (3ft. Length) 5 6 10 15 25 19 13 8

5 HV-4,5,6,7 Vent Fans 5th fl., south north façade 1400 cfm 4 4 458 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 4th fl., north north façade 3000 gpm 76 hp 3 1 435 Yes 77 78 80 80 83 80 76 70 3 76bhp, 1760rpm 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 4th fl., north north façade 600 gpm 25 hp 1 0 435 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 17 bhp 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 4th fl. north façade 1000 tons 3 0 437 Yes 101 102 103 100 102 102 98 91 Lw NY Trane CSO 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) 4th fl. north façade 200 tons 1 1 437 Yes 97 98 99 96 98 98 94 87 Lw Trane 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 4th fl. north façade 2000 gpm 32 bhp 3 1 429 Yes 68 71 72 72 71 68 65 60 3 1160 rpm, 32 bhp 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 4th fl. north façade 1160 rpm 12 bhp 1 0 429 Yes 72 75 76 76 75 72 69 64 3 1160 rpm, 12 bhp 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity4th fl. north façade 2500 gpm 150 bhp 3 1 426 Yes 81 84 85 85 84 81 78 73 3 1750 rpm, 150 bhp 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 4th fl. north façade 1750 rpm 25 bhp 1 0 426 Yes 75 78 79 79 78 75 72 67 3 1750 rpm, 25 bhp 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 3rd fl., Intake Plenum north façade 200,000 cfm 4 1 403 Yes 97 104 103 91 96 107 105 100 Lw Howden Buffalo, REV 97 104 103 91 96 107 105 100

(without silencer) (50% capacity) 109 122 125 127 125 121 115 109 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 3rd fl., Exhaust Plenumnorth façade 200,000 cfm 0 0 403 Yes 97 100 100 88 95 105 103 99 Lw Howden Buffalo, FWD 0 0 0 0 0 0 0 0(without silencer) 109 118 122 124 124 119 113 108 LwConical Silencer (6 to 8ft. Length) 12 18 22 36 29 14 10 9

16 HV-1,2,3 Vent Fans 2nd fl. north façade 1400 cfm 3 3 394 Yes 48 50 43 43 38 33 30 29 Lw Centrifugal Radial, 1000 rpm 53 55 48 48 43 38 35 34Note:TVF intakes or exhausts air depending on which mode (Forward or Reverse Mode)GEN exhaust assumed pipe exits through roof, extending approx. 21.5 ft. above roof (similar to 3/04 analysis)50th Street Facility = "Base Scheme"

Operation Schedule: Nighttime Off-Peak1 CT at 80% capacity (assumed summer-worse case, winter 1 CT at 25% capacity)No GENNO GEN exhaustNo MAF1 CHP/CWP at 80% capacity1 TVF at 100% fan speed, 25% capacity (assumed Forward Mode)1 Chiller 80% Capacity

Number of Units Octave Band Sound Power Levels or Sound Pressure Levels at Specified Distance (dB Octave Band Sound Power Levels (dB)

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OPERATIONS NOISE ANALYSIS - 50th Street Facility - Nighttime Operation, Off-Peak LoadSOUND SOURCE SUMMARYNumber Tag Equipment Height of Enclosed

Source Yes/No 63 125 250 500 1k 2k 4k 8k

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) 513 No 93 87 81 78 76 75 70 57

INDOORS2 GEN-1,2 Generator 475 Yes 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust 509.5 No 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) 475 Yes 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans 458 Yes 54 56 49 49 44 39 36 356 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) 435 Yes 87 88 90 90 93 90 86 807 CWP-5 Condenser Pump (standby) 435 Yes 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers 437 Yes 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) 437 Yes 97 98 99 96 98 98 94 87

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) 429 Yes 78 81 82 82 81 78 75 7011 CHP-4 Primary Chilled Water Pump (standby) 429 Yes 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity 426 Yes 91 94 95 95 94 91 88 8313 CHS-4 Secondary Chilled Water Pump (standby) 426 Yes 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) 403 Yes 97 104 103 91 96 107 105 100

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans 403 Yes 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans 394 Yes 53 55 48 48 43 38 35 34

Octave Band Sound Power Levels (dB)

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RECEPTOR 1: COLGATE-PALMOLIVE BUILDING TOWARD EASTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 513 78 50 493 38 32 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 51 45 42 40 39 34 21

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 78 50 493 51 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 78 50 493 44 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 78 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 78 50 493 92 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 24 20 23 16 15 5 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 78 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 78 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 32 34 24 22 14 1 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 14 12 14 7 2 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 78 50 493 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 27 25 27 20 15 5 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 78 50 493 105 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 34 34 15 16 19 8 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 78 50 493 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 78 50 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 57.5 51.5 46.0 42.5 40.5 39.4 34.2 21.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 31.3 35.4 37.4 39.3 40.5 40.6 35.2 20.5 46.5 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris). Result

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 46.5 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

125 250 8k500 1k 2k 4kSource Location Receptor Location

dB 63

Noise Level FTA Criteria

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptor

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RECEPTOR 2: ITT AMERICAS TOWARD WESTNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 513 -1 50 493 54 35 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 54 48 42 39 37 36 31 18

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 -1 50 493 45 34 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 -1 50 493 44 33 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 -1 50 493 52 35 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 -1 50 493 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 -1 50 493 65 37 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 27 23 26 19 18 8 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 -1 50 493 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 -1 50 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 -1 50 493 72 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 36 32 34 24 22 15 2 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 17 15 17 10 5 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 -1 50 493 73 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 28 30 23 18 8 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 -1 50 493 76 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 34 36 36 17 18 21 10 1

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 -1 50 493 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 -1 50 493 104 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 54.4 48.7 43.9 39.6 37.5 36.4 31.0 18.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 28.2 32.6 35.3 36.4 37.5 37.6 32.0 17.7 43.7 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 43.7 63.1 64.6 70.0 No Impact

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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RECEPTOR 3: SIDEWALK ADJACENT TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 513 39 114 363 159 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 45 39 33 30 28 27 21 7

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 114 363 120 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 114 363 153 44 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 114 363 140 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 114 363 126 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 39 114 363 86 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 25 21 24 17 16 6 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 114 363 114 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 39 114 363 81 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 39 114 363 118 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 28 30 20 18 11 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 17 15 17 9 4 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 114 363 80 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacity Yes No 91 94 95 95 94 91 88 83 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 28 30 23 18 8 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 114 363 77 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 38 40 40 21 22 26 14 5

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 114 363 60 36 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 114 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 46.0 42.8 41.4 31.5 29.6 29.3 22.1 13.6Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 19.8 26.7 32.8 28.3 29.6 30.5 23.1 12.5 37.3 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 3 Leq

Daytime 63.0 37.3 63.0 64.6 70.0 No ImpactFTA Criteria

Threshold of Impact - Land Use Category 3

LE<42 Lp= 16.450+0.953LE

42<=LE<=71 Lp= 76.662 - 1.164LE + 0.018LE2 - 4.088x10-5LE

3 = 64.6LE >71 Lp= 70

Threshold of Severe Impact - Land Use Category 3

LE<44 Lp= 22.322+0.940LE44<=LE<=77 Lp= 101.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.0

LE >77 Lp= 80

FTA Criteria

125 250 8k500 1k 2kdB 63Receptor Location

4k

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

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RECEPTOR 4: SIDEWALK ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 513 39 144 363 171 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 44 38 32 29 27 26 20 7

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 363 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 363 164 45 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 363 160 45 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 363 147 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 39 144 363 103 41 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 23 19 22 15 14 4 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 363 138 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 39 144 363 97 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 39 144 363 143 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 30 26 28 18 16 9 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 15 13 15 8 3 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 363 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacit Yes No 91 94 95 95 94 91 88 83 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 26 28 21 16 6 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 363 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 35 37 37 18 19 23 12 3

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 363 79 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 363 121 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 45.1 41.2 39.4 30.6 28.5 27.9 21.2 13.1Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 18.9 25.1 30.8 27.4 28.5 29.1 22.2 12.0 35.9 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 35.9 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location Receptor Location

dB 63 125 250 8k

Noise LevelResult

500 1k 2k 4k

FTA Criteria

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RECEPTOR 5: HOTEL ELEVATED RECEPTOR ACROSS 50TH STREET TOWARD NORTHNumber Tag Enclosed Shielded

inside by Distance 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8kEquipment structure structure 63 125 250 500 1k 2k 4k 8k X Y Z X Y Z (feet) 20 25 24 31 35 42 51 55 0 0 1 3 5 9 23 30

ROOFTOP1 CT-1,2,3 Cooling Towers (exh., 80% capacity) No No 93 87 81 78 76 75 70 57 48 62 513 39 144 493 85 39 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 50 44 38 35 33 32 27 14

INDOORS2 GEN-1,2 Generator Yes No 0 0 0 0 0 0 0 0 34 71 475 39 144 493 75 38 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

3 GEN-EX-1,2 Generator Exhaust No No 0 0 0 0 0 0 0 0 34 71 510 39 144 493 75 38 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

4 MAF-1,2,3,4 Makeup Fans (Gen.) Yes No 0 0 0 0 0 0 0 0 43 30 475 39 144 493 116 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

5 HV-4,5,6,7 Vent Fans Yes No 54 56 49 49 44 39 36 35 44 32 458 39 144 493 117 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 06 CWP-1,2,3 Condenser Pumps (1 at 80% capacity) Yes No 87 88 90 90 93 90 86 80 12 75 435 39 144 493 94 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 24 20 23 16 15 5 0 07 CWP-5 Condenser Pump (standby) Yes No 0 0 0 0 0 0 0 0 43 26 435 39 144 493 132 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 08 CH-1,2,3 Chillers Yes No 0 0 0 0 0 0 0 0 36 82 437 39 144 493 84 39 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 09 CH-4 Chiller (nighttime use only) (1 at 80% capacity) Yes No 97 98 99 96 98 98 94 87 34 22 437 39 144 493 134 43 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 31 27 29 19 17 9 0 0

10 CHP-1,2,3 Primary Chilled Water Pumps (1 at 80% capacity) Yes No 78 81 82 82 81 78 75 70 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 15 13 15 8 3 0 0 011 CHP-4 Primary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 429 39 144 493 93 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 012 CHS-1,2,3 Secondary Chilled Water Pumps (1 at 80% capacit Yes No 91 94 95 95 94 91 88 83 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 28 26 28 21 16 6 0 013 CHS-4 Secondary Chilled Water Pump (standby) Yes No 0 0 0 0 0 0 0 0 5 85 426 39 144 493 95 40 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 014 TVF-3,4,5,6 Tunnel Vent. Intake Fans (100% fan speed) Yes No 97 104 103 91 96 107 105 100 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 32 34 34 15 16 20 9 0

15 TVF-3,4,5,6 Tunnel Vent. Ex Fans Yes No 0 0 0 0 0 0 0 0 5 85 403 39 144 493 113 42 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0

16 HV-1,2,3 Vent Fans Yes No 53 55 48 48 43 38 35 34 21 28 394 39 144 493 154 44 0 3 20 25 24 31 35 42 51 55 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0Note:Sound Pressure Level Lp = Lw - Adiv - Aatm - Aground - Ascreen - ATL - AD - 0.6 63 125 250 500 1K 2K 4K 8KDistance factor Adiv = 20logD Total Lp (dB) 50.5 44.9 40.5 35.7 33.6 32.5 27.0 15.8Air Factor Aatm = αD(m)/1000; α is the air attenuation coefficient, dB/Km, D is distance from source to receiver (see Table 15.1 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). Total Lp (dBA) 24.3 28.8 31.9 32.5 33.6 33.7 28.0 14.7 39.8 dBAAground = the sound reduction due to the effects of hard ground (see Table 15.2 in The Noise Manual, E.H. Berger and ...).Ascreen = Assuming 5dBA screen effect is based upon buildings and any structures blocking the view between sound sources and receivers (see P48.14 in Handbook of Acoustical Measurements and Noise Control, Cyril M. Harris). FTA CriteriaTransmission Loss factor ATL based on sound transmission loss of concrete masonry units (see P372 in Noise Control Manual for Residential Buildings, David A. Harris).

Existing Project Build Impact Severe ImpactCategory 2 Ldn

24-hr 71.6 39.8 71.6 65.0 70.6 No Impact

Threshold of Impact - Land Use Category 2

LE<42 Lp= 11.450+0.953LE42<=LE<=71 Lp= 71.662 - 1.164LE + 0.018LE

2 - 4.088x10-5LE3 = 65.6

LE >71 Lp= 65

Threshold of Severe Impact - Land Use Category 2

LE<44 Lp= 17.322+0.940LE44<=LE<=77 Lp= 96.725 - 1.992LE + 3.02x10-2LE

2 - 1.043xx10-4LE3 = 70.6

LE >77 Lp= 75

FTA Criteria

125 250 8k500 1k 2kdB 63Receptor Location

4k

Result

Basic Octave Band Sound Power Level (Lw)Distance factor (Adiv) = 20logD+0.6 Shielding

factor (Ascreen)

Ground factor

(Aground)

Transmission Loss factor (ATL) Air factor (Aatm) Octave Band Sound Pressure Level (dB) at receptorSource Location

Noise Level

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FTA Land Use CategoriesLand Use Category Noise Metric (dBA) Description of Land Use Category

1 Outdoor Leq(h)* Outdoor land uses such as concert pavilions, National Historic landmarks with significiant outdoor use.2 Outdoor Ldn Residences and buildings where peopole normally sleep, including hospitals, hotels.

3 Outdoor Leq(h)*Note: * for noisiest hour of transit-related activity during hours of noise sensitivity.

FTA Criteria - 50th Street Facility - Nighttime Operation, Off-Peak LoadReceptor Location Existing Build ResultSite Ambient Leq

(dBA) (dBA)(Leq or Ldn) (Leq or Ldn) Impact Severe Impact

R1 Colgate-Palmolive Building (east) Cat 3 Leq 63.0 46.5 63.1 64.6 70.0 No ImpactR2 ITT Americas Building (west) Cat 3 Leq 63.0 43.7 63.1 64.6 70.0 No ImpactR3 Sidewalk Adjacent (north) Cat 3 Leq 63.0 37.3 63.0 64.6 70.0 No ImpactR4 Sidewalk Across 50th Street (north) Cat 4 Ldn 71.6 35.9 71.6 65.0 70.6 No Impact

R5Hotel Elevated Receptor Across 50th Street (north) Cat 4 Ldn 71.6 39.8 71.6 65.0 70.6 No Impact

Institutional land uses including schools and churches. Buildings with interior spaces where quiet is important such as conference rooms.

FTA Category

Leq or Ldn

Predicted Project Noise

Allowable Project Noise Exposure Level

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24-hr. Measured Noise Levels (rooftop) -weekday

Hour Ending Leq Leq+10 dB 10^Leq/101:00 AM 64.70 74.70 295120922:00 AM 63.4 73.40 218776163:00 AM 63.0 73.00 199526234:00 AM 63.9 73.90 245470895:00 AM 63.1 73.10 204173796:00 AM 63.0 73.00 199526237:00 AM 64.5 74.50 281838298:00 AM 66.0 66.00 3981071.79:00 AM 67.2 67.20 5248074.610:00 AM 68.0 68.00 6309573.411:00 AM 67.7 67.70 5888436.6Noon 68.2 68.20 6606934.51:00 PM 68.7 68.70 7413102.42:00 PM 67.9 67.90 61659503:00 PM 68.0 68.00 6309573.44:00 PM 68.1 68.10 6456542.35:00 PM 69.0 69.00 7943282.36:00 PM 68.2 68.20 6606934.57:00 PM 68.3 68.30 6760829.88:00 PM 68.1 68.10 6456542.39:00 PM 67.1 67.10 5128613.810:00 PM 67.1 67.10 5128613.811:00 PM 66.3 76.30 42657952Midnight 66.7 76.70 46773514Sum 346278794Ldn dBA 71.6