Upload
others
View
5
Download
0
Embed Size (px)
Citation preview
MECHANICAL / ELECTRICAL ENGINEERS
VICINITY PLAN
Maryland Professional Engineer Registration No. 24861
(Date)
PROFESSIONAL CERTIFICATION
DRAWING LIST
COVER SHEET
TITLE SHEETT0.1
ELECTRICAL
SYMBOLS LIST, ABBREVIATIONS, AND DETAILSE0.1
E1.1
E1.2
PART FLOOR PLAN DEMOLITION
PART FLOOR PLAN NEW WORK
SITE PLAN
MECHANICAL
PART FLOOR PLAN DEMOLITION AND NEW WORKM1.1
E6.1 POWER RISER DIAGRAMS
These contract documents for the project were prepared
under my supervision and to the best of my knowledge,
information, and belief, they comply with the relevant
building codes of the State of Maryland.
APPLICABLE CODES AND STANDARDS
NOT TO SCALE
NO
RT
H
E6.2 SCHEDULES
10/5/18
AMERICANS WITH DISABILITIES ACT (ADA) STANDARDS FOR ACCESSIBLE DESIGN, 2010
INTERNATIONAL BUILDING CODE (IBC), 2015 EDITION
LIFE SAFETY CODE (NFPA 101), 2015 EDITION
MARYLAND OCCUPATIONAL SAFETY AND HEALTH PROGRAM ACT (MOSH ACT)
NATIONAL ELECTRICAL CODE (NFPA 70) WITH LOCAL AMENDMENTS, 2017 EDITION
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) STANDARDS
NATIONAL FIRE ALARM AND SIGNALING CODE (NFPA 72), 2013 EDITION
NATIONAL FUEL GAS CODE (NFPA 54) WITH LOCAL AMENDMENTS, 2009 EDITION
NATIONAL STANDARD PLUMBING CODE (NSPC) WITH LOCAL AMENDMENTS, 2009 EDITION
STANDARD FOR EMERGENCY AND STANDBY POWER SYSTEMS (NFPA 110), 2013 EDITION
E1.3 PART FLOOR PLAN NEW WORK (ALTERNATE 1)
JAMES POSEY ASSOCIATES, INC.
3112 LORD BALTIMORE DRIVE
BALTIMORE, MD 21244
410.265.6100
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
PARTIAL MAIN LEVEL FLOOR PLAN
DEMOLITION
SCALE: 1/8"=1'-0"
T
EX BOILER-2EX BOILER-1
EX BOILER-3
PARTIAL MAIN LEVEL FLOOR PLAN
NEW WORK
SCALE: 1/8"=1'-0"
MG
GAS SERVICE ASSEMBLY
ETR
CONTACT AMERIGAS FOR
REMOVAL OF PROPANE
TANKS; 410-465-0800
ABANDON PROPANE
SERVICE PIPE AND
CONDUIT BLW GRADE
CAP CONDUIT AND SERVICE PIPE
BLW GRADE. PATCH CONCRETE
AS REQUIRED
DISCONNECT PROPANE
PIPE FROM GENERATOR
DISCONNECT SERVICE PIPE
FROM TANK; CAP CONDUIT
AND SERVICE PIPE BLW
GRADE. PATCH CONCRETE
AS REQUIRED
INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING
CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING
DRAWINGS OR GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE
EXISTING CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING
CONDITIONS PRIOR TO FABRICATION OR PERFORMANCE OF ANY
WORK. SHOULD CONDITIONS BE DISCOVERED THAT PREVENT
EXECUTION OF THE WORK AS INDICATED, IMMEDIATELY NOTIFY THE
ENGINEER IN WRITING AND AWAIT DIRECTION BEFORE PROCEEDING
WITH THE WORK.
DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF
MATERIALS. DO NOT ABANDON IN PLACE ANY MECHANICAL AND
RELATED ELECTRICAL COMPONENTS UNLESS OTHERWISE NOTED ON
DRAWINGS.
UNLESS OTHERWISE NOTED, MECHANICAL/PLUMBING ITEMS SHOWN
HEAVY DASHED ( ) SHALL BE REMOVED AND MECHANICAL/
PLUMBING ITEMS SHOWN LIGHT SOLID ( ) SHALL REMAIN.
C.
B.
A.
GENERAL NOTES:
TYP
HP
CFH
TYPICAL
HORSEPOWER
CUBIC FEET PER HOUR
VALVE IN VERTICAL PIPE
POINT OF CONNECTION, NEW TO EXISTING
GRADUATION RANGE)
PRESSURE GAUGE (NUMERALS INDICATE
PRESSURE REDUCING VALVE
SHUT-OFF VALVE
STRAINER
FLOW DIRECTION ARROW
UNION
PIPE CAP OR PLUG
5-60 PSI
CONCRETECONC
CONNECT, CONNECTIONCONN
RX REMOVE EXISTING
POUNDS PER SQUARE INCHPSI
FLOORFL
CONTINUATIONCONT'N
BLW BELOW
DRAWINGDWG
GAS PIPEG
EXISTINGEX
DEMOLITION WORK TERMINATION POINT
EXISTING TO REMAINETR
REQUIREDREQ'D
FLANGED PIPE CONNECTION
ABOVEABV
TO DRAWING ON WHICH IT OCCURS.
SYMBOL FOR SPECIFIC NOTE. NOTE APPLIES
GAS PIPEG
1
GAS-FIRED UNIT
DIAGRAM
1
M1.1
TYPICAL GAS PIPE CONNECTION TO GAS-FIRED UNITS
NOT TO SCALE
12" LENGTH OF FLEXIBLE
GAS PIPING
GAS PRESSURE REGULATOR
(COORDINATE OULET PRESSURE WITH
APPROVED EQUIPMENT
MANUFACTURER'S REQUIREMENTS)
TEST PORT
STAINER
DIRT LEG
SHUT-OFF
VALVE
GENERAL NOTE:
PIPING MUST NOT BLOCK ACCESS TO UNIT DRAINS OR
DOORS, FIELD ADJUST AS REQUIRED.
GAS MAIN
UNION
GAS PIPING FOR EMERGENCY GENERATOR:
PRIOR TO ANY INSTALLATION OR FABRICATION, THE CONTRACTOR SHALL ARRANGE TO MEET WITH A
REPRESENTATIVE OF THE HOWARD COUNTY PUBLIC SCHOOL SYSTEM (HCPSS) TO DISCUSS THE FINAL
ARRANGEMENT OF THE GAS PIPING TO THE GENERATOR. THE CONTRACTOR SHALL OBTAIN WRITTEN
APPROVAL OF THE FINAL ARRANGEMENT OF THE GAS PIPING FROM THE HCPSS REPRESENTATIVE.
MG
EMERGENCY GENERATOR
1389 CFH (SEE ELEC DWGS)
GAS SERVICE ASSEMBLY
ETR
ETR 2" GAS
DROP DN TO
NEAR GRADE
G
1" GAS;
SUPPORT
FROM GRADE
T
EX BOILER-2EX BOILER-1
EX BOILER-3
1"
NORTH NORTH
EXISTING HEATING WATER PUMPS ARE BEING PROVIDED WITH VARIABLE FREQUENCY
DRIVE (VFD) CONTROLLERS UNDER ALTERNATE-1. REFER TO THE ELECTRICAL DRAWINGS
FOR VFD DETAILS. AS PART OF THIS ALTERNATE, THE EXISTING HEATING WATER PUMP
PERFORMANCE DATA (FLOW AND PRESSURE DROP) SHALL BE RECORDED FOR EACH
PUMP PRIOR TO CONSTRUCTION. ONCE THE NEW VFDS ARE OPERATIONAL, THE EXISTING
HEATING WATER PUMPS SHALL BE REBALANCED THROUGH THEIR RESPECTIVE VFD TO
THE PREVIOUSLY MEASURED PERFORMANCE DATA. NEW VFDS SHALL BE PROVIDED WITH
A HARDWIRE CONNECTION TO THE EXISTING BUILDING AUTOMATION SYSTEM FOR VFD
ON/OFF, OPERATING SPEED, AND ALARM CONTROL FUNCTIONS.
NOTE: IF THIS DRAWING IS A REDUCTION,
GRAPHIC SCALE MUST BE USED.
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 33986, Expiration date: 01-16-2019.
ITTAF
MASCHIELORAP
FEMINE
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
L
HA
P
K
A
T
R
I
3
3
98
6
VO
LVNTATISTV
CO
RO
NA
ST
IN
OS
BO
N
SCUTO
3261
M
C
E
S
H
IC
E
R
RE
N
40
SCALE: 1/8" = 1'-0"
8 8 16
LIGHTING
ABBREVIATIONS
DEMOLITION
DENOTES REFERENCE TO SPECIFIC NOTE ON DRAWING.
DETAIL, DIAGRAM, OR PLAN NUMBER.
DRAWING NUMBER WHERE DETAIL, DIAGRAM, OR PLAN IS LOCATED.
REFERENCE: DETAIL, DIAGRAM, OR PLAN NUMBER/DRAWING NUMBER
1
E001
#/E###
1
DENOTES REFERENCE TO DETAIL OR DIAGRAM NOTE ON SHEET.
1
GENERAL
WALL OUTLET AND LUMINAIRE ON EMERGENCY CIRCUIT, TYPE AS DESIGNATED.
MOUNTING HEIGHTS ARE CENTERLINE TO WIRING DEVICES UNLESS OTHERWISE
INDICATED.
PROVIDE DEDICATED NEUTRAL CONDUCTOR FOR EACH BRANCH CIRCUIT.
A.
B.
GENERAL NOTES:
ELECTRIC PANELBOARD (120/208V), SURFACE MOUNTED.
BOX OR CABINET AS NOTED, SIZE AS REQUIRED, SURFACE OR RECESSED MOUNTED.
TRANSFORMER.
DUPLEX GFCI-TYPE RECEPTACLE (NEMA 5-20R), SURFACE MOUNTED 18" AF, UON.
D
ENCLOSED SWITCH (DISCONNECT/SAFETY SWITCH) IN NEMA TYPE 1 ENCLOSURE,
UON. MOUNT 5'-6" AF TO TOP OF ENCLOSURE, UON. RATING AND FUSING AS NOTED.
ENCLOSED CIRCUIT BREAKER IN NEMA TYPE 1 ENCLOSURE, UON.
MOUNT IN GENERATOR PER MANUFACTURER'S REQUIREMENTS. SIZE AS NOTED.
CB
HARD WIRED ELECTRICAL CONNECTION. CONNECT TO EQUIPMENT AS NOTED.
ELECTRIC MOTOR CONNECTION.
POWER
FIRE ALARM
G
CONDUIT TURNING DOWN.
CONDUIT TURNING UP.
GROUNDING CONDUCTOR RUN UNDERGROUND WHERE SHOWN ON FLOOR PLAN.
SINGLE-GANG OUTLET BOX WITH BLANK COVER PLATE, RECESSED WALL MOUNTED.
PULLBOX, SIZED AS REQUIRED.
JUNCTION BOX WITH BLANK COVER PLATE, CEILING MOUNTED.J
TO GROUND.
J
REMOVE EXISTING BOX OR CABINET.
REMOVE EXISTING ENCLOSED CIRCUIT BREAKER.
REMOVE EXISTING HOMERUN TO PANELBOARD. NUMBER OF ARROW HEADS
INDICATES NUMBER OF CIRCUITS. NUMBER OF HASH MARKS INDICATES NUMBER OF
CONDUCTORS.
REMOVE EXISTING WIRING AND CONDUIT.
REMOVE EXISTING COMBINATION MOTOR STARTER AND DISCONNECT.
DISCONNECT EXISTING EQUIPMENT.
REMOVE EXISTING FIRE ALARM SYSTEM MONITORING MODULE.
J
CB
HOMERUN TO PANELBOARD. NUMBER OF HASH MARKS INDICATES NUMBER OF
CONDUCTORS. WHERE NO HASH MARKS APPEAR, PROVIDE TWO (2) CONDUCTORS
PLUS GROUND. REFER TO PANEL SCHEDULES FOR CONDUCTOR SIZES. PROVIDE
GROUND CONDUCTORS IN EVERY RACEWAY AND CONDUIT. PROVIDE SEPARATE
NEUTRAL CONDUCTOR FOR EACH LIGHTING CIRCUIT AND BRANCH CIRCUIT.
CONDUIT AND WIRING RUN EXPOSED IN OPEN CEILINGS, UON. PROVIDE GROUND
CONDUCTORS IN CONDUITS.
MONITOR MODULE. CONNECT TO EXISTING FIRE ALARM CONTROL PANEL.
WIRING
M
EXISTING TO REMAIN BGE METER.
J
EXISTING
EXISTING TO REMAIN WALL OUTLET AND LUMINAIRE.
MM
D M
TC
EXISTING TO REMAIN TIME CLOCK.
ELECTRIC PANELBOARD (277/480V), SURFACE MOUNTED.
VFDVARIABLE FREQUENCY DRIVE.
S
M
EXISTING TO REMAIN MANUAL MOTOR STARTER SWITCH.
D M EXISTING TO REMAIN COMBINATION MOTOR STARTER AND DISCONNECT.
EXISTING TO REMAIN BOILER SHUT-DOWN SWITCH.
DUPLEX GFCI-TYPE RECEPTACLE (NEMA 5-20R), SURFACE MOUNTED 48" AF, UON.
G
4500 PSI CONCRETE
6" MIN.
30
"
2" MINIMUM COVER
8" THICK CONCRETE MINIMUM
EQUIPMENT DIMENSION
12"
6" COMPACTED
GRAVEL BASE
12" MINIMUM
GRADE
#4 EPOXY COATED
REINFORCEMENT BARS
12" ON CENTERS BOTH WAYS
MIN
IM
UM
UNDISTURBED EARTH
OR COMPACTED BACKFILL
PROVIDE 1/2" DIAMETER JAKE BOLTS AT
APPROXIMATELY 48" ON CENTERS.
COORDINATE WITH GENERATOR AND
PAD-MOUNTED EQUIPMENT.
3/4"
CHAMFER
PROVIDE VIBRATION ISOLATION DEVICES AT
EACH CORNER OF GENERATOR (TYPICAL)
DETAIL1
E0.2
GENERATOR CONCRETE PAD
NOT TO SCALE
30" MINIMUM
3"
GENERATOR PVC CONDUIT (1 1/4" & 2")3000 PSI WITH PEA GRAVEL
CONCRETE ENCASED CONDUITS
1" CONDUITS FOR
BATTERY CHARGER,
BLOCK HEATER,
CONTROL CIRCUITS
AND GROUND
3"
3"
2"
3"
FINISHED GRADE
UNDERGROUND
WARNING TAPE
12" BFG
DETAIL2
E0.1
GENERATOR DUCTBANK
NOT TO SCALE
DIAGRAM3
E0.1
GENERATOR GROUNDING WIRING DIAGRAM
NOT TO SCALE
DIAGRAM4
E0.1
AUTOMATIC TRANSFER SWITCH GROUND WIRING DIAGRAM
NOT TO SCALE
G
AUTOMATIC TRANSFER SWITCH
4-POLE
H
NORMAL POWER SOURCE
SEPARATELY DERIVED
GENERATOR POWER SOURCE
N
H N
TO LOAD
GENERATOR EQUIPMENT
GROUNDING CONDUCTOR.
REFER TO RISER DIAGRAM
FOR SIZE
NORMAL POWER EQUIPMENT
GROUNDING CONDUCTOR
N
H
G
H = "HOT" ENERGIZED CONDUCTOR, TYPICAL OF 1 PER PHASE.
N = NEUTRAL GROUNDED CONDUCTOR.
G
BONDING JUMPER BY
MANUFACTURERG
ATS GROUNDING TERMINAL
NEUTRAL TRANSFER
PHASE TRANSFER
(TYPICAL 1 PER PHASE)
EQUIPMENT GROUNDING
CONDUCTOR. REFER TO
RISER DIAGRAM FOR SIZE
N
GENERATOR
EQUIPMENT GROUNDING
CONDUCTOR. REFER TO
RISER DIAGRAM FOR SIZE
N
H
NEUTRAL TERMINAL
OUTPUT CIRCUIT BREAKER
(TYPICAL)
PROVIDED BY MANUFACTURER
G
#2 GROUNDING ELECTRODE
CONDUCTOR
GROUND ROD
G
GROUNDING TERMINAL
#2 SYSTEM BONDING JUMPER
H = "HOT" ENERGIZED CONDUCTOR, TYPICAL OF 1 PER PHASE.
N = NEUTRAL GROUNDED CONDUCTOR.
#2 BONDING JUMPER
H
N
G
TO ATS-1
TO ATS-2
3P-60A
3P-125A
5
E0.1
DETAIL
TRANSFORMER GROUNDING & BONDING
NOT TO SCALE
B
C
A
NEUTRALCONDUCTOR
TERMINAL BAR
GROUNDING ELECTRODE CONDUCTOR (GEC), SIZED PER SCHEDULE OF TRANSFORMERS ON DRAWING E2.1.
SUPPLY-SIDE BONDING JUMPER, 2017 NEC TABLE 250.102(C)(1), SIZED PER SCHEDULE OF TRANSFORMERS ONDRAWING E2.1, TO EQUIPMENT GROUND BAR OF PANELBOARD SUPPLIED BY TRANSFORMER.
SYSTEM BONDING JUMPER, SIZED PER SUPPLY-SIDE BONDING JUMPER.
SYSTEM BONDING CONDUCTOR, SIZED PER PER SUPPLY-SIDE BONDING JUMPER.
METAL WATER PIPING SYSTEM (TYPICAL FOR EACH SYSTEM IN AREA SERVED BY TRANSFORMER).
NEUTRAL CONDUCTOR, TO NEUTRAL BUS BAR (ISOLATED NEUTRAL TERMINAL) OF PANELBOARD SUPPLIED BYTRANSFORMER.
1
3
2
2
4
1
6
3
GEC
4
5
5
6
TRANSFORMERSECONDARYNEUTRAL
TRANSFORMERENCLOSURE
BUILDING STEEL
DETAIL NOTES:
PRIMARY FEEDEREQUIPMENTGROUNDINGCONDUCTOR
#3/0 GEC TO SERVICE
GROUNDING BUSBAR
G
DUPLEX GFCI-TYPE RECEPTACLE (NEMA 5-20R), WEATHER-RESISTANT TYPE WITH
WEATHERPROOF WHILE-IN-USE COVER, SURFACE MOUNTED 18" AF, UON.
WP
EXISTING TO REMAIN ELECTRIC PANELBOARD (277/480V), SURFACE MOUNTED.
EXISTING TO REMAIN ELECTRIC PANELBOARD (120/208V), SURFACE OR RECESSED
MOUNTED.
EXISTING TO REMAIN CONTROL PANEL.
EXISTING TO REMAIN JUNCTION BOX.
EXISTING TO REMAIN ENCLOSED SWITCH (DISCONNECT/SAFETY SWITCH).
EXISTING TO REMAIN EQUIPMENT CONNECTION AS NOTED.
EXISTING TO REMAIN RECEPTACLE.
D
12"
EXISTING TO REMAIN TRANSFORMER.
EXISTING TO REMAIN HOMERUN TO PANELBOARD. NUMBER OF ARROW HEADS
INDICATES NUMBER OF CIRCUITS. NUMBER OF HASH MARKS INDICATES NUMBER OF
CONDUCTORS.
EXISTING TO REMAIN WIRING AND CONDUIT.
AMPERE
ABOVE FLOOR
AMPERES INTERRUPTING CAPACITY
AUTOMATIC TEMPERATURE CONTROLS
AUTOMATIC TRANSFER SWITCH
AMERICAN WIRE GAUGE
BELOW FINISHED GRADE
BALTIMORE GAS AND ELECTRIC
CONDUIT
CIRCUIT BREAKER
CURRENT TRANSFORMER
DISTRIBUTION
DRAWING
DISCONNECT EXISTING
EXISTING TO REMAIN
EXISTING
EXISTING
FIRE ALARM
FIRE ALARM CONTROL PANEL
GROUND
GENERATOR DOCKING STATION
GROUNDING ELECTRODE CONDUCTOR
GROUND FAULT CIRCUIT INTERRUPTER
HOWARD COUNTY PUBLIC SCHOOL SYSTEM
HORSEPOWER
THOUSAND CIRCULAR MILS
KILOVOLT-AMPERES
KILOWATT
LIQUID PROPANE
MAIN DISTRIBUTION PANEL
"NEUTRAL" GROUNDING CONDUCTOR
NATIONAL ELECTRICAL CODE
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION
POUNDS PER SQUARE INCH
POLE, POLES OR PUMP
POLYVINYL CHLORIDE
ROOM
REMOVE EXISTING
TYPICAL
UNLESS OTHERWISE NOTED
VOLT, VOLTS
WATTS/WIRE, WIRES
WEATHERPROOF
TRANSFORMER
PHASE
AND
A, AMP
AF
AIC
ATC
ATS
AWG
BFG
BGE
C
CB
C/T
DIST
DWG
DX
ETR
EX
EXIST
FA
FACP
G
GDS
GEC
GFCI
HCPSS
HP
KCMIL
KVA
KW
LP
MDP
N
NEC
NEMA
PSI
P
PVC
RM
RX
TYP
UON
V
W
WP
XFMR
Ø
&
MM
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
SPECIFIC NOTES:
1 ALTERNATE 1: REMOVE EXISTING COMBINATION MOTOR STARTERS AND REPLACE
WITH NEW VARIABLE FREQUENCY DRIVES UNDER ALTERNATE 1.
ALTERNATE 1: DISCONNECT EXISTING ATC PANEL AND REMOVE CONDUIT AND
WIRING BACK TO SOURCE AND RECONNECT TO STAND-BY PANEL UNDER
ALTERNATE 1.
ALTERNATE 1: DISCONNECT EXISTING BOILER AND REMOVE CONDUIT AND WIRING
BACK TO SOURCE AND RECONNECT TO STAND-BY PANEL UNDER ALTERNATE 1.
REMOVE EXISTING FIRE ALARM SYSTEM MONITOR MODULES CONNECTED TO
EXISTING GENERATOR TO BE REMOVED. COORDINATE EXACT LOCATION OF
EXISTING FIRE ALARM SYSTEM MONITORING MODULES IN FIELD.
GENERAL DEMOLITION NOTES:
A. INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING CONDITIONS HAS
BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR GENERAL FIELD
OBSERVATIONS AND MAY NOT INDICATE ACTUAL EXISTING CONDITIONS IN DETAIL OR
DIMENSION. THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE ACTUAL
EXISTING CONDITIONS PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK.
SHOULD CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS
INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT DIRECTION
BEFORE PROCEEDING WITH THE WORK.
B. WHERE EQUIPMENT IS NOTED "DISCONNECT" OR "REMOVE", REMOVE ASSOCIATED
WIRE AND CONDUIT BACK TO SOURCE, UNLESS OTHERWISE NOTED.
C. REMOVE EXISTING EQUIPMENT AND DEVICES INDICATED, INCLUDING ASSOCIATED
WIRE AND CONDUIT BACK TO SOURCE UNLESS OTHERWISE NOTED.
D. EXISTING CIRCUITS INTERRUPTED BY DEMOLITION, BUT ARE TO REMAIN, SHALL BE
MADE CONTINUOUS.
E. IN BLOCK OR CONCRETE WALLS TO REMAIN, PROVIDE STAINLESS STEEL BLANK
COVER PLATES FOR DEVICES REMOVED.
F. WHERE CIRCUITS ARE REMOVED BACK TO PANELS, ASSOCIATED BREAKERS WILL BE
UTILIZED FOR NEW CIRCUITING OR LABELED AS SPARE.
G. DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF MATERIALS. DO
NOT ABANDON IN PLACE ANY ELECTRICAL COMPONENTS UNLESS OTHERWISE NOTED
ON DRAWINGS.
H. UNLESS OTHERWISE NOTED, ELECTRICAL ITEMS SHOWN HEAVY DASHED ( )
SHALL BE REMOVED AND ELECTRICAL ITEMS SHOWN LIGHT SOLID ( ) SHALL
REMAIN.
I. THE EXISTING FACILITY WILL REMAIN IN OPERATION DURING RENOVATION.
INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE MUST BE
COORDINATED WITH THE USER TO MINIMIZE DISRUPTION. INTERRUPTION OF
UTILITIES MAY NOT OCCUR DURING SCHOOL WORKING HOURS.
2
PARTIAL MAIN LEVEL FLOOR PLAN
DEMOLITION
SCALE: 1/4"=1'-0"
ETR PANEL ER1
ETR PANEL EDP
RX 100A ATS
TC
ETR TIME CLOCK
ETR SECURITY PANEL
M
T
REMOVE EXISTING 30KVA LIQUID
PROPANE GAS GENERATOR, AND
ASSOCIATED WIRING AND
EXPOSED CONDUIT BACK TO ATS.
REMOVE EXISTING FENCE AND
REPLACE WITH NEW AS INDICATED
ON NEW WORK PLAN
ETR 9 KVA XFMR
EX WATER HEATER
EX EXPANSION TANK
M
D
M
D
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-2
30
H
P-4
80
V-3
Ø
1
EX BOILER-2EX BOILER-1
EX BOILER-3
S
M
S
M
2
3
3
3
EXISTING TO REMAIN STEEL
BOLLARDS (TYP OF 2)
R1-14,16
FREEZER REFRIGERATOR
ETR PANEL K
M
D
M1-14
ET
R S
UP
PL
Y F
AN
C
OM
BIN
AT
IO
N
ST
AR
TE
R
MILK COOLER
ACT CEILING
GYPSUM WALL BOARD CEILING
M1-46
ETR PANEL RM
ETR PANEL M1
ETR BOILER SHUT-DOWN SWITCH
J
D
J
3
REMOVE EXISTING GENERATOR
MONITORING PANEL AND REPLACE
WITH NEW
NORTH
REMOVE EXISTING FENCE AND
REPLACE WITH NEW AS INDICATED
ON NEW WORK PLAN
REMOVE EXISTING FENCE AND
REPLACE WITH NEW AS INDICATED
ON NEW WORK PLAN
EX BOILER CONTROLS
M1-13
CONTACT AMERIGAS FOR REMOVAL OF
PROPANE TANKS; 410-465-0800
ICE CREAM
T
ETR POWER COMPANY
TRANSFORMER AND
CONCRETE PAD
ETR PANEL L1
ETR PANEL RDP
ETR 225KVA XFMR
ETR SWITCHBOARD MDP
SIEMENS / ITE MODEL FC-II SERIES 6
1600A-277/480V-3Ø-4W
ETR PANEL R1
ACT CEILING
ETR GAS SERVICE
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-1
30
H
P-4
80
V-3
Ø
ETR ATC PANEL
MM MM
4
4
ETR FIRE ALARM
CONTROL PANEL
EDWARDS EST-2
2 0
SCALE: 1/4" = 1'-0"
44 8
NOTE: IF THIS DRAWING IS A REDUCTION,
GRAPHIC SCALE MUST BE USED.
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
SPECIFIC NOTES:
1 PROVIDE 3P-60A-600V DISCONNECT SWITCH FUSED AT 60A IN NEMA 4X STAINLESS
STEEL ENCLOSURE.
CONNECT TO 120V STRIP HEATER IN TRANSFER SWITCH.
NOT USED.
PROVIDE 1P-20A CIRCUIT BREAKER IN AVAILABLE SPACE AND PROVIDE
2 #12 + #12 GROUND IN 3/4" CONDUIT.
NOT USED.
PROVIDE 3P-60A-600V NON-FUSED DISCONNECT SWITCH IN NEMA 4X STAINLESS
STEEL ENCLOSURE.
CONNECT TO EXISTING 3P-60A BREAKER IN EXISTING SWITCHBOARD MDP.
NOT USED.
NOT USED.
PROVIDE TWO (2) 1P-20A CIRCUIT BREAKERS IN AVAILABLE SPACES OF PANEL RM
AND PROVIDE 4 #10 + #10 GROUND IN 3/4" CONDUIT.
PROVIDE FIRE ALARM MONITOR MODULES FOR GENERATOR RUNNING AND
GENERATOR FAULT. MAKE CONNECTIONS TO GENERATOR NECESSARY FOR
COMPLETE INSTALLATION.
GENERAL NOTES:
A. INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING CONDITIONS HAS
BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR GENERAL FIELD
OBSERVATIONS AND MAY NOT INDICATE ACTUAL EXISTING CONDITIONS IN DETAIL OR
DIMENSION. THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE ACTUAL
EXISTING CONDITIONS PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK.
SHOULD CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS
INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT DIRECTION
BEFORE PROCEEDING WITH THE WORK.
B. THE EXISTING FACILITY WILL REMAIN IN OPERATION DURING RENOVATION.
INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE MUST BE
COORDINATED WITH THE USER TO MINIMIZE DISRUPTION. INTERRUPTION OF
UTILITIES MAY NOT OCCUR DURING SCHOOL WORKING HOURS.
2
PARTIAL MAIN LEVEL FLOOR PLAN
NEW WORK
SCALE: 1/4"=1'-0"
ETR PANEL L1
ETR PANEL RDP
ETR PANEL ER1
TC
ETR 225KVA XFMR
ETR TIME CLOCK
ETR SWITCHBOARD MDP
SIEMENS / ITE MODEL FC-II SERIES 6
1600A-277/480V-3Ø-4W
ETR SECURITY PANEL
T
ETR POWER COMPANY
TRANSFORMER AND
CONCRETE PAD
M
T
PROVIDE NEW 8' HIGH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE.
ETR 9 KVA XFMR
EX WATER HEATER
EX EXPANSION TANK
ETR FIRE ALARM
CONTROL PANEL
EDWARDS EST-2
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-1
30
H
P-4
80
V-3
Ø
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-2
30
H
P-4
80
V-3
Ø
EX BOILER-2EX BOILER-1
EX BOILER-3
3
D
6
REFRIGERATORFREEZER
WP
A
A
ETR PANEL R1
ETR PANEL M1
J
D
J
S
M
S
M
M
D
ET
R S
UP
PL
Y F
AN
C
OM
BIN
AT
IO
N
ST
AR
TE
R
ICE CREAM
MILK COOLER
ACT CEILING
GYPSUM WALL BOARD CEILING
ETR GAS SERVICE
ETR PANEL EDP
SIEMENS SERIES 7
4EDP-19
4
ETR BOILER SHUT-DOWN SWITCH
ETR ATC PANEL
GENERATOR REMOTE
PANEL
GENERATOR WITH WEATHERPROOF
SOUND ATTENUATED ENCLOSURE
AND CONCRETE PAD. PAD SHALL
EXTEND 12" BEYOND GENERATOR
ENCLOSURE.
5
AT
S-1
D1
CB
CB
6
7
7
8
PROVIDE NEW 6' WIDE
GATE OPENING WITH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE
9
ETR PANEL RM
SIEMENS TYPE S8
10
10
GENERATOR DOCKING STATION
DUAL PURPOSE PASS THROUGH
WITH KIRK KEY INTERLOCK.
PROVIDE TWO (2) 1P-20A CIRCUIT BREAKERS
IN AVAILABLE SPACES OF PANEL RM AND
PROVIDE 4 #10 + #10 GROUND IN 1" CONDUIT.
CONNECT TO BATTERY CHARGER
AND BLOCK HEATER
CUT AND PATCH EXISTING CONCRETE AS
REQUIRED TO INSTALL CONDUITS
11
ACT CEILING
NORTH
EXISTING TO REMAIN STEEL
BOLLARDS (TYP OF 2)
EXISTING TO REMAIN CONCRETE
GENERATOR PAD
GD
S
PROVIDE NEW 8' HIGH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE.
MAINTAIN 3 FEET CLEARANCE AROUND
GENERATOR PAD
STUB UP 2" CONDUIT TO 6" ABOVE GRADE
AND CAP.
M
D
M
D
ETR PANEL K
2
EX BOILER CONTROLS
MM
11
MM
2 0
SCALE: 1/4" = 1'-0"
44 8
NOTE: IF THIS DRAWING IS A REDUCTION,
GRAPHIC SCALE MUST BE USED.
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
SPECIFIC NOTES:
1 PROVIDE 3P-60A-600V DISCONNECT SWITCH FUSED AT 60A IN NEMA 4X STAINLESS
STEEL ENCLOSURE.
CONNECT TO 120V STRIP HEATER IN TRANSFER SWITCH.
CONNECT EXISTING BOILERS TO STAND-BY POWER AND CONNECT TO EXISTING
EMERGENCY BOILER SHUT-DOWN SWITCH.
PROVIDE 1P-20A CIRCUIT BREAKER IN AVAILABLE SPACE AND PROVIDE
2 #12 + #12 GROUND IN 3/4" CONDUIT.
PROVIDE 3P-200A-600V DISCONNECT SWITCH FUSED AT 125A IN NEMA 4X
STAINLESS STEEL ENCLOSURE.
PROVIDE 3P-60A-600V NON-FUSED DISCONNECT SWITCH IN NEMA 4X STAINLESS
STEEL ENCLOSURE.
CONNECT TO EXISTING 3P-60A BREAKER IN EXISTING SWITCHBOARD MDP.
PROVIDE 3P-125A CIRCUIT BREAKER IN EXISTING SWITCHBOARD MDP AND MAKE
CONNECTIONS.
PROVIDE 3P-60A-600V NON-FUSED DISCONNECT SWITCH MOUNTED ADJACENT TO
TRANSFORMER.
PROVIDE TWO (2) 1P-20A CIRCUIT BREAKERS IN AVAILABLE SPACES OF PANEL RM
AND PROVIDE 4 #10 + #10 GROUND IN 3/4" CONDUIT.
PROVIDE FIRE ALARM MONITOR MODULES FOR GENERATOR RUNNING AND
GENERATOR FAULT. MAKE CONNECTIONS TO GENERATOR NECESSARY FOR
COMPLETE INSTALLATION.
GENERAL NOTES:
A. INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING CONDITIONS HAS
BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR GENERAL FIELD
OBSERVATIONS AND MAY NOT INDICATE ACTUAL EXISTING CONDITIONS IN DETAIL OR
DIMENSION. THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE ACTUAL
EXISTING CONDITIONS PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK.
SHOULD CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS
INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT DIRECTION
BEFORE PROCEEDING WITH THE WORK.
B. THE EXISTING FACILITY WILL REMAIN IN OPERATION DURING RENOVATION.
INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE MUST BE
COORDINATED WITH THE USER TO MINIMIZE DISRUPTION. INTERRUPTION OF
UTILITIES MAY NOT OCCUR DURING SCHOOL WORKING HOURS.
C. IN KITCHEN, SURFACE MOUNTED CONDUIT SERVING SURFACE MOUNTED RECEPTACLES
SHALL BE INSTALLED SO THAT THERE IS A MINIMUM OF 3/4" SPACE BETWEEN THE
CONDUIT AND THE WALL.
2
PARTIAL MAIN LEVEL FLOOR PLAN
NEW WORK (ALTERNATE 1)
SCALE: 1/4"=1'-0"
ETR PANEL ER1
TC
ETR TIME CLOCK
ETR SECURITY PANEL
T
ETR POWER COMPANY
TRANSFORMER AND
CONCRETE PAD
M
T
PROVIDE NEW 8' HIGH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE.
ETR 9 KVA XFMR
ETR FIRE ALARM
CONTROL PANEL
EDWARDS EST-2
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-1
30
H
P-4
80
V-3
Ø
ET
R H
EA
TIN
G W
AT
ER
P
UM
P P
-2
30
H
P-4
80
V-3
Ø
EX BOILER-2EX BOILER-1
EX BOILER-3
3
3
VFD
AT
S-2
D
PANEL SR1
SR1-1
SR1-3
T
SR1-5,7
D
S1-2
REFRIGERATOR
SR1-2,4
SR1-6,8
FREEZER
G
G
+96"
+96"
WP
A
A
ETR PANEL M1
J
D
J
S
M
S
M
S1-8
M
D
ET
R S
UP
PL
Y F
AN
C
OM
BIN
AT
IO
N
ST
AR
TE
R
3
ICE CREAM
MILK COOLER
ACT CEILING
GYPSUM WALL BOARD CEILING
G
+48"
G
+48"
ETR GAS SERVICE
ETR PANEL EDP
SIEMENS SERIES 7
4
ETR BOILER SHUT-DOWN SWITCH
GENERATOR REMOTE
PANEL
XFMR TSR1 WALL MOUNTED ABOVE DOOR
GENERATOR WITH WEATHER PROOF
SOUND ATTENUATED ENCLOSURE
AND CONCRETE PAD. PAD SHALL
EXTEND 8" BEYOND GENERATOR
ENCLOSURE.
5
AT
S-1
D
J
1
CB
CB
6
7
7
8
NEW PANEL S1
D
8
5
PROVIDE NEW 6' WIDE
GATE OPENING WITH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE
9
ETR PANEL RM
SIEMENS TYPE S8
10
10
GENERATOR DOCKING STATION
DUAL PURPOSE PASS THROUGH
WITH KIRK KEY INTERLOCK.
CONNECT TO BATTERY CHARGER
AND BLOCK HEATER
CUT AND PATCH EXISTING CONCRETE AS
REQUIRED TO INSTALL CONDUITS
MM
11
11
ACT CEILING
NORTH
EXISTING TO REMAIN STEEL
BOLLARDS (TYP OF 2)
EXISTING TO REMAIN CONCRETE
GENERATOR PAD
GD
S
9
2
VFD
S1-7
PROVIDE NEW 8' HIGH
1" SMALL MESH
POLYMER COATED
CHAIN LINK FENCE.
MAINTAIN 3 FEET CLEARANCE AROUND
GENERATOR PAD
ETR PANEL L1
ETR PANEL RDP
ETR 225KVA XFMR
ETR SWITCHBOARD MDP
SIEMENS / ITE MODEL FC-II SERIES 6
1600A-277/480V-3Ø-4W
ETR PANEL R1
EX WATER HEATER
EX EXPANSION TANK
ETR PANEL K
6
2
4EDP-19
ETR ATC PANEL
3 EX BOILER CONTROLS
MM
PROVIDE TWO (2) 1P-20A CIRCUIT BREAKERS
IN AVAILABLE SPACES OF PANEL RM AND
PROVIDE 4 #10 + #10 GROUND IN 1" CONDUIT.
2 0
SCALE: 1/4" = 1'-0"
44 8
NOTE: IF THIS DRAWING IS A REDUCTION,
GRAPHIC SCALE MUST BE USED.
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
ET
R B
GE
T
RA
NS
FO
RM
ER
27
7/4
80
V- 3
Ø - 4
W
DIS
CO
NN
EC
T A
ND
R
EM
OV
E
30
KW
L
P G
AS
G
EN
ER
AT
OR
CB
ETR 2-WAY PRIMARY
DUCTBANK
FIRST FLOORFIRST FLOORGRADE
DISTMAINC/T
ATS-1
M
SWITCHBOARD MDP
ETR BGE METER
1
E6.1
DIAGRAM
POWER RISER DIAGRAM - DEMOLITION
NOT TO SCALE
T
T
ET
R 9
KV
A X
FM
R
ET
R P
AN
EL
L
1
ET
R P
AN
EL
R
DP
ET
R P
AN
EL
R
1
ET
R P
AN
EL
E
DP
ET
R P
AN
EL
E
R1
ET
R P
AN
EL
E
L1
LOWER LEVEL
ETR PANEL EL2
ELECTRICAL
2015
GE
NE
RA
TO
R
NA
TU
RA
L G
AS
10
0K
W-2
77
/4
80
V-3
Ø-4
W
CB
ETR 2-WAY PRIMARY
DUCTBANK
FIRST FLOORFIRST FLOORGRADE
DISTMAINC/T
M
ETR SECONDARY DUCTBANK
SWITCHBOARD MDP
ELECTRICAL
1012
ETR BGE METER
1
7
GE
NE
RA
TO
R C
ON
TR
OL
P
AN
EL
23
6
2
E6.1
DIAGRAM
POWER RISER DIAGRAM - NEW WORK (BASE BID)
NOT TO SCALE
T
T
ET
R 9
KV
A X
FM
R
ET
R P
AN
EL
L
1
ET
R P
AN
EL
R
DP
ET
R P
AN
EL
R
1
ET
R P
AN
EL
E
DP
ET
R P
AN
EL
E
R1
ET
R P
AN
EL
E
L1
LOWER LEVEL
ETR PANEL EL2
ELECTRICAL
2015
CB
ET
R B
GE
T
RA
NS
FO
RM
ER
27
7/4
80
V- 3
Ø - 4
W
REMOVE WIRING AND EXPOSED
CONDUIT BACK TO EXISTING
AUTOMATIC TRANSFER SWITCH.
SPECIFIC NOTES:
PROVIDE TYPE 10 GENERATOR, PER NFPA 110. THE GENERATOR SHALL BE
ABLE TO PROVIDE GENERATOR POWER TO THE SCHOOL WITHIN
10-SECONDS AFTER A UTILITY POWER OUTAGE (TYPE 10).
PROVIDE GENERATOR CONTROL WIRING IN CONDUIT BETWEEN
GENERATOR CONTROL PANEL AND ASSOCIATED AUTOMATIC TRANSFER
SWITCHES. MAKE CONNECTIONS NECESSARY FOR COMPLETE
INSTALLATION. GENERATOR CONTROL WIRING SHALL BE AS PER
GENERATOR MANUFACTURER'S RECOMMENDATIONS.
PROVIDE WIRING IN CONDUIT FROM GENERATOR CONTROL PANEL TO
GENERATOR REMOTE ALARM ANNUNCIATOR PANEL. WIRING SHALL BE AS
PER GENERATOR MANUFACTURER'S RECOMMENDATIONS. LOCATE
GENERATOR REMOTE ALARM ANNUNCIATOR PANEL IN CUSTODIAL OFFICE
REFER TO TRANSFORMER SCHEDULE ON DRAWING E6.2 FOR ADDITIONAL
INFORMATION ON TRANSFORMER AS NOTED AND FOR NUMBER AND SIZE
OF WIRE AND CONDUIT OF PRIMARY AND SECONDARY FEEDERS FOR
TRANSFORMER AS NOTED.
PROVIDE 3P-60A-150A FRAME MICROLOGIC AMMETER TRIP CIRCUIT
BREAKER TO SERVE GENERATOR LIFE SAFETY LOADS. MOUNT CIRCUIT
BREAKER WITHIN GENERATOR ENCLOSURE AND MAKE CONNECTIONS.
COORDINATE LOCATION OF CIRCUIT BREAKER WITH GENERATOR
MANUFACTURER.
PROVIDE 3P-125A CIRCUIT BREAKER TO SERVE GENERATOR STANDBY
LOADS. MOUNT CIRCUIT BREAKER WITHIN GENERATOR ENCLOSURE AND
MAKE CONNECTIONS. COORDINATE LOCATION OF CIRCUIT BREAKER WITH
GENERATOR MANUFACTURER. PROVIDE UNDER BASE BID.
GENERATOR CONCRETE PAD.
PROVIDE 2" CONDUIT WITH PULL ROPE FROM BREAKER AND STUB UP 6"
ABOVE GRADE AND CAP UNDER BASE BID.
PROVIDE 4P-80A AUTOMATIC TRANSFER SWITCH (ATS) WITH STRIP HEATER
IN NEMA 3R ENCLOSURE TO SERVE LIFE SAFETY LOADS. ATS SHALL HAVE
A MINIMUM UL 1008 WITHSTAND AND CLOSING RATING OF 10KAIC.
PROVIDE 4P-150A AUTOMATIC TRANSFER SWITCH (ATS) WITH STRIP
HEATER IN NEMA 3R ENCLOSURE TO SERVE STAND-BY LOADS. ATS SHALL
HAVE A MINIMUM UL 1008 WITHSTAND AND CLOSING RATING OF 18KAIC.
PROVIDE 3P-100A-480V FUSED DISCONNECT SWITCH FUSED AT 60A IN
NEMA 4X ENCLOSURE.
PROVIDE 3P-200A-480V FUSED DISCONNECT SWITCH FUSED AT 125A IN
NEMA 4X ENCLOSURE.
PROVIDE 3P-60A-480V NON-FUSED DISCONNECT SWITCH IN NEMA 4X
ENCLOSURE.
PROVIDE 3P-60A-480V NON-FUSED DISCONNECT SWITCH MOUNTED
ADJACENT TO TRANSFORMER.
PROVIDE 1" CONDUIT FOR CONTROL WIRING. EXTEND CONDUIT TO
TELE ROOM.
PROVIDE 4 #6 + #10 GROUND IN 1-1/4" CONDUIT.
PROVIDE 4 #6 + #10 GROUND IN 1-1/4" CONDUIT AND CONNECT TO
EXISTING 3P-60A CIRCUIT BREAKER IN SWITCHBOARD MDP.
PROVIDE 4 #1 + #4 GROUND IN 2" CONDUIT.
PROVIDE 3P-125A CIRCUIT BREAKER IN EXISTING SWITCHBOARD MDP
AND PROVIDE 4 #1 + #4 GROUND IN 2" CONDUIT.
PROVIDE #3/0 GROUNDING ELECTRODE CONDUCTOR IN 1" CONDUIT
AND CONNECT TO SERVICE GROUNDING BUSBAR.
1
2
3
ATS-1
D
11
9
BOILER ROOM
1011
4
5
6
5
7
8
D
GE
NE
RA
TO
R D
OC
KIN
G S
TA
TIO
N
DU
AL
P
UR
PO
SE
P
AS
S-T
HR
OU
GH
WIT
H K
IR
K K
EY
IN
TE
RL
OC
K A
ND
3P
-6
0A
C
IR
CU
IT
B
RE
AK
ER
9
10
11
12
13
13
14
TELE
A27
J
15
15
16
16
16
17
16
17
ELECTRICAL
1012
18
19
20
20
GENERAL NOTES:
A. INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING CONDITIONS HAS
BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR GENERAL FIELD
OBSERVATIONS AND MAY NOT INDICATE ACTUAL EXISTING CONDITIONS IN DETAIL OR
DIMENSION. THE CONTRACTOR IS RESPONSIBLE FOR DETERMINING THE ACTUAL
EXISTING CONDITIONS PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK.
SHOULD CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS
INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT DIRECTION
BEFORE PROCEEDING WITH THE WORK.
B. THE EXISTING FACILITY WILL REMAIN IN OPERATION DURING RENOVATION.
INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE MUST BE
COORDINATED WITH THE USER TO MINIMIZE DISRUPTION. INTERRUPTION OF
UTILITIES MAY NOT OCCUR DURING SCHOOL WORKING HOURS.
GDS
8
GE
NE
RA
TO
R
NA
TU
RA
L G
AS
10
0K
W-2
77
/4
80
V-3
Ø-4
W
CB
ETR 2-WAY PRIMARY
DUCTBANK
FIRST FLOORFIRST FLOORGRADE
DISTMAINC/T
M
ETR SECONDARY DUCTBANK
SWITCHBOARD MDP
ELECTRICAL
1012
ETR BGE METER
1
7
GE
NE
RA
TO
R C
ON
TR
OL
P
AN
EL
23
6
3
E6.1
DIAGRAM
POWER RISER DIAGRAM - NEW WORK (ALTERNATE 1)
NOT TO SCALE
T
T
ET
R 9
KV
A X
FM
R
ET
R P
AN
EL
L
1
ET
R P
AN
EL
R
DP
ET
R P
AN
EL
R
1
ET
R P
AN
EL
E
DP
ET
R P
AN
EL
E
R1
ET
R P
AN
EL
E
L1
LOWER LEVEL
ETR PANEL EL2
ELECTRICAL
2015
CB
ET
R B
GE
T
RA
NS
FO
RM
ER
27
7/4
80
V- 3
Ø - 4
W
ATS-1 ATS-2
DD
11
9 10
BOILER ROOM
1011
T
4
D
S1
-1
5
PANEL SR1
D
GE
NE
RA
TO
R D
OC
KIN
G S
TA
TIO
N
DU
AL
P
UR
PO
SE
P
AS
S-T
HR
OU
GH
WIT
H K
IR
K K
EY
IN
TE
RL
OC
K A
ND
3P
-6
0A
C
IR
CU
IT
B
RE
AK
ER
PANEL S1
13
TELE
A27
J J
15
16
16
17
16
19
18
1820
XFMR TSR1
GDS
14
12
ETR SECONDARY DUCTBANK
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ
LTG
SR1
XFMR
SCHEDULE KEY
S1
Professional Certification. I hereby certify that these documents
were prepared or approved by me, and that I am a duly licensed
professional engineer under the laws of the state of Maryland,
License No. 24861, Expiration date: 02-24-2020.
ITTAF
MASCHIELORAP
FEMINE
VO
LV
NTAT I S
TV
CO
RO
NA
ST
I
N
OS
BO
N
SC
UTO
3261
P
R
O
F
E
S
S
I
O
N
AL
R
E
E
N
I
G
N
E
S
T
A
T
E
D
N
L
A
Y
R
AM
O
F
I
M
R
K
Q
J.
A
R
A
N
o
.
24
8
6
1
PT
C
U
EZ