Sequencing and constructibility presentation-REV8

REHABILITATION OF COMMUNITY AREA INFRASTRUCTURECONTRACT NO : 641-C46 SEQUENCING AND CONSTRUCTIBILITY WORKSHOP

KINGDOM OF SAUDI ARABIAROYAL COMMISSION FOR JUBAIL & YANBU

ROYAL COMMISSION IN JUBAIL

CONTRACT NO : 641-C46REHABILITATION OF

COMMUNITYAREA INFRASTRUCTURE

WORK SEQUENCING AND CONSTRUCTIBILITY

WORKSHOP

FEBRUARY 2015


OUTLINE

1. PRECONSTRUCTION ACTIVITIES2. NON-ESSENTIAL CHILLED WATER SYSTEM3. HOT WATER SUPPLY AND RETURN SYSTEM4. STEAM SUPPLY AND CONDENSATE SYSTEM5. DEMOLITION OF PIPING FROM EXISTING TUNNEL6. ESSENTIAL CHILLED WATER SYSTEM7. CHILLED WATER SYSTEM (OPTION-2)8. CHILLED WATER SYSTEM CONTROL SYSTEM

2

PRE-CONSTRUCTION ACTIVITIES

3


4

OXYGEN STORAGE TANKS

CHILLER COMPOUND

FUEL TANKS

PRE-CONSTRUCTION ACTIVITIES

CHILLED WATER PUMPS & SWITCH

GEAR ROOMPOWER

PLANT AREA

OUT PATIENT DEPARTMENT

MAIN HOSPITAL

MED.GAS BOTTLE

STORAGE

PORTA CABINS

MAINTENANCE WORKSHOP

TEMPORARY LOCATION OF MED.GAS BOTTLE STORAGE

PRE-CONSTRUCTION:

ASBESTOS TESTING SHALL BE CARRIED OUT INSIDE TUNNEL AND UTILITY BUILDINGS BEFORE COMMENCEMENT OF ANY WORK

REMOVE EXISTING PORTA CABIN

REMOVE EXISTING MED.GAS BOTTLE STORAGE

RELOCATE EXISTING MED.GAS BOTTLE STORAGE TO TEMPORAY LOCATION AS SHOWN

NON-ESSENTIAL CHILLED WATER SYSTEM

5


6

RAMP

CHILLER COMPOUND

TUNNEL BELOW RAMP

CHILLER COMPOUND LAYOUTNE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11

NE-CH-10NE-CH-12NE-CH-14

E-CH-1

E-CH-2

E-CH-3

E-CH-4

EXISTING EQUIPMENT IN GOOD CONDITION

EXISTING EQUIPMENT IN POOR CONDITION

EXISTING CHILLED WATER SUPPLY PIPE

EXISTING CHILLED WATER RETURN PIPE


7

RAMPCHILLED WATER

PUMP ROOMCHILLER COMPOUND

TUNNEL BELOW RAMP

NON-ESSENTIAL CHILLED WATER SYSTEM1. CONSTRUCT PIPE SUPPORT STRUCTURE ABOVE RAMP2. CONSTRUCT TRENCH-13. INSTALL NE.CHWS&R PIPING4. INSTALL HEADER IN PUMP ROOM

EXISTING TUNNEL

TRENCH-1

HOSPITALBUILDING EDGE

NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


5. DE-ENERGIZE CHILLER NO.5,6,7&9. DURING THIS PERIOD CHILLER NO. 8,10,11,12&13 WILL BE AVAILABLE FOR OPERATION WITH 1 BACKUP(CHILLER NO.14)

6. CLOSE ISOLATION VALVE OF CHILLER NO.5,6,7&9 7. REMOVE PIPING UPSTREAM OF VALVES8. REMOVE EXISTING CHILLER

CHWP-5 CHWP-6

CHWP-2CHWP-1

A

B

TO OPD

ESSENTIAL CHILLED WATER

SYSTEM NOT SHOWN HERE FOR CLARITY REASONS



ESSENTIAL CHILLED WATER

PUMP SYSTEM NOT SHOWN HERE FOR CLARITY REASONS


8

RAMPCHILLED WATER


TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


9. INSTALL CHILLER NO.5,6,7&910. MAKE PIPING CONNECTION FROM NEW HEADER UPTO THE

CHILLERS11. CONNECT NEW PIPING TO EXISTING PIPING INSIDE THE HOSPITAL

BUILDING

CHWP-5 CHWP-6

CHWP-1 CHWP-2

TO OPD



NEW EQUIPMENT


9LEVEL-1 EQUIPMENT ROOM-1

PIPING LAYOUT

SCHEMATIC SECTION SHOWING NEW PIPE CONNECTION TO EXISTING PIPING NETWORK

12. CLOSE ISOLATION VALVE OF EXISTING PIPING13. INSERT “T” CONNECTION WITH BUTTERFLY

VALVE UNDER DCN14. CONNECT NEW PIPING TO INSERTED “T”

NON-ESSENTIAL CHILLED WATER SYSTEM(ER-1)

NEW NE.CHWS&R PIPES FROM

ROOF TO ER-1


10



11



12

LEVEL-1 EQUIPMENT ROOM-1 PIPING LAYOUT

SECTION SHOWING NEW PIPE CONNECTION TO EXISTING PIPING NETWORK

15. CLOSE ISOLATION VALVE OF EXISTING PIPING16. INSERT “T” CONNECTION WITH BUTTERFLY VALVE17. CONNECT NEW PIPING TO NEW INSERTED “T”18. FLUSH, TEST AND COMMISSION THE COMPLETE NEW

PIPING NETWORK

NON-ESSENTIAL CHILLED WATER SYSTEM(PHARMACY AREA)

NEW NE.CHWS&R PIPES FROM ROOF

TO LEVEL-1 CEILING


13



14



15

RAMPCHILLED WATER


TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


19. DE-ENERGIZE AND CLOSE ISOLATION VALVE OF EXISTING CHWP-220. DURING THIS PERIOD NO REDUNDANCY WILL BE AVAILABLE FOR

PUMP

CHWP-5 CHWP-6

CHWP-1

21. REMOVE CHWP-2 AND PIPING UP TO THE VALVE22. INSTALL CHWP-2, CONNECT PIPING TO NEW HEADER

CHWP-2

TO OPD

B


16

RAMPCHILLED WATER


TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


CHWP-5 CHWP-6

CHWP-1 CHWP-2

17. MAKE NECESSARY PIPE CONNECTIONS TO NEW CHILLERS18. CLOSE ISOLATION VALVE FOR STANDBY CHILLER NO.14 AND REMOVE

CHILLER CONNECTION UP TO VALVE19. MAKE PIPE CONNECTION TO CHILLER NO.14 IN SUCH A WAY THAT IT

SHOULD CONNECT TO NEW HEADER AND OLD HEADER20. SIMILARLY MAKE PIPE CONNECTION AS CHILLER NO.14 TO CHILLER

NO.13

21. NOW THIS CONNECTIONS WILL ENSURE THAT TWO CHILLERS CAN WORK WITH OLD AND NEW SYSTEM

22. STOP THE OLD SYSTEM AND RUN THE NEW SYSTEM UNTIL IT PROVES TO HAVE RELIABLE OPERATION OTHERWISE

23. TURN ON THE OLD SYSTEM TO FIX THE NEW SYSTEM24. AFTER NEW SYSTEM PROVES TO BE IN OPERATIONAL AND RELIABLE

THEN

TO OPD


17

RAMPCHILLED WATER


TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


CHWP-5 CHWP-6

CHWP-1 CHWP-2

17. CONNECT CHWP-1 TO NEW PUMP HEADER18. REMOVE PIPING CONNECTION FROM CHILLER NO.11 19. PROVIDE NEW CONNECTION TO CONNECT TO NEW HEADER20. REMOVE EXISTING CHILLER NO.8,10&12 21. REMOVE EXISTING PIPING NETWORK

TO OPD

HOT WATER SUPPLY AND RETURN SYSTEM

18


19


TRENCH-2

HOT WATER CALORIFIER OUT OF SERVICE

BOILER-2 POOR CONDITION

BLOW DOWN VESSEL POOR CONDITION

BOILER FEED TANK NEW CONDITION

BOILER-1

HOT WATER CALORIFIER RECENTLY REPLACED

OLD STEAM PIPEOLD CONDENSATE PIPEOLD HOT WATER SUPPLYOLD HOT WATER RETURNNEW STEAM PIPENEW CONDENSATE PIPENEW LAUNDRY HOT WATER SUPPLYNEW LAUNDRY HOT WATER RETURNNEW DOMESTIC HOT WATER SUPPLYNEW DOMESTIC HOT WATER RETURN

BOILER ROOM

RECENTLY REPLACED PIPE

1. CONSTRUCT TRENCH-22. LAY DOWN STEAM, CONDENSATE,

HOT WATER, SUPPLY AND RETURN PIPES IN TRENCH-2 UP TO HOSPITAL BUILDING EDGE AND BOILER ROOM

3. REMOVE TWO CALORIFIERS WHICH ARE OUT OF SERVICE CURRENTLY WITHOUT DISTURBING THE OPERATION OF OTHER CALORIFERS

4. INSTALL NEW CALORIFERS5. CREATE SECONDARY PATHWAY FOR

DOMESTIC HOT WATER SUPPLY AND RETURN PIPING INSIDE BOILER ROOM UP TO CALORIFERS

6. FLUSH, TEST AND COMMISSION DOMESTIC HOT WATER PIPING

7. A SCHEDULE SHUT DOWN IS REQUIRED TO CONNECT NEW HOT WATER SUPPLY PIPE TO EXISTING AND NEW CALORIFERS(DOMESTIC)

8. CLOSE ISOLATION VALVE OF STEAM PIPE SUPPLYING STEAM TO CALORIFERS

9. DURING THIS PERIOD NO HOT WATER IS AVAILABLE FOR LAUNDRY AND DOMESTIC USE

10. REMOVE HOT WATER SUPPLY PIPE CONNECTIONS FROM DOMESTIC CALORIFIERS AND CONNECT TO NEW SUPPLY LINE



20


TRENCH-2

BOILER ROOM

BUILDING EDGE


21


TRENCH-2

HOT WATER CALORIFIER NEW INSTALLATION




BOILER-1



BOILER ROOM


11. SIMILARLY REMOVE OLD HOT WATER RETURN PIPING CONNECTIONS FROM DOMESTIC CALORIFERS AND CONNECT TO NEW RETURN LINE

12. OPEN THE ISOLATION VALVE OF STEAM SUPPLY TO CALORIFIERS AND START THE SYSTEM WITH NEW DOMESTIC SUPPLY AND RETURN PIPING

13. REMOVE OLD DOMESTIC HOT WATER SUPPLY AND RETURN PIPING UP TO TUNNEL ACCESS

14. REPEAT SIMILAR PROCEDURE FOR LAUNDRY HOT WATER SUPPLY AND RETURN PIPING


STEAM SUPPLY AND CONDENSATE SYSTEM

22


23


TRENCH-2




BOILER-1



BOILER ROOM



STEAM SUPPLY AND CONDENSATE SYSTEM15. CREATE SECONDARY PATHWAY FOR

STEAM PIPE WITH NEW STEAM HEADER WITHOUT DISTURBING STEAM SUPPLY

16. SIMILARY CREATE SECONDARY PATHWAY FOR CONDENSATE PIPE

17. FLUSH, TEST AND COMMISSION STEAM AND CONDENSATE PIPING

18. DE-ENERGIZE BOILER-2 19. DURING THIS PERIOD NO

REDUNDANCY AVAILABLE FOR STEAM SYSTEM

20. REMOVE BOILER-2 COMPLETE

21. INSTALL BOILER-2 COMPLETE22. TEST AND COMMISSION23. CONNECT NEW STEAM PIPE TO NEW

BOILER-224. DURING OFF PEAK HOURS/OFF LOAD

HOURS25. KEEP READY WITH ALL FITTING

BLOW DOWN VESSEL26. REMOVE BLOW DOWN VESSEL

COMPLETE


24


TRENCH-2

BOILER-2 POOR NEW INSTALLATION

BLOW DOWN VESSEL NEW INSTALLATION


BOILER-1



BOILER ROOM



STEAM SUPPLY AND CONDENSATE SYSTEM27. INSTALL NEW BLOW DOWN VESSEL

COMPLETE, TEST AND COMMISSION28. CONNECT TO THE TWO BOILERS29. ALSO CONNECT ALL CALORIFERS TO

NEW STEAM AND CONDENSATE PIPES

30. START NEW BOILER-2 31. REMOVE OLD STEAM PIPING FROM

BOILER-1 AND CONNECT TO NEW PIPING

32. REMOVE ALL OLD STEAM AND CONDENSATE PIPES UP TO TUNNEL ACCESS

33. RENOVATE BOILER-134. TEST AND COMMISSION

DEMOLITION OF PIPING FROM EXISTING TUNNEL

25


26

ᶲ250 E.CHWS

ᶲ400 NE.CHWS

OLD PIPE NOT IN SERVICEOLD PIPE IN SERVICE

1. AFTER COMPLETION OF NE-CHW, STEAM AND HOT WATER SYSTEM

2. MAKE DEMOLITION WORKS IN EXISTING TUNNEL

3. REMOVE TOP SLAB OF EXISTING TUNNEL TO FACILITATE REMOVAL AND INSTALLATION OF PIPING

4. REMOVE NE.CHWS PIPING INCLUDING SUPPORTS IN PIECES

BOILER ROOMPUMP ROOM

EXISTING TUNNEL

A

REMOVE SLAB OF TUNNELFOR PIPE REMOVAL AND INSTALLATION

SECTION-A

SHAFT AT LEVEL-1PHARMACY AREA

SHAFT AT LEVEL-1EQUIPMENT ROOM-1


EXISTING TUNNEL

SLAB OPENING


27


1. REMOVE NE.CHWS&R, STEAM, COND., HWS&R PIPING INCLUDING SUPPORTS IN PIECES


EXISTING TUNNEL

SECTION-B




EXISTING TUNNEL

SLAB REMOVAL

B

ᶲ250 E.CHWS

ᶲ250 E.CHWR

ᶲ200 CW

ᶲ150 CW

ᶲ50/100 LHWR&S

ᶲ400 NE.CHWS

ᶲ400 NE.CHWR

ᶲ100/50 HWS&R

ᶲ100/65 STEAM&CONDENSATE


28


1. REMOVE NE.CHWS&R, STEAM, COND., HWS&R PIPING INCLUDING SUPPORTS IN PIECES


EXISTING TUNNEL




SLAB REMOVALC

ᶲ200 E.CHWS

ᶲ200 E.CHWR

ᶲ150 CW

ᶲ50/100 LHWR&S

ᶲ400 NE.CHWS

ᶲ200 CW

ᶲ200 NE.CHWR


ᶲ10/50 HWS&R

SECTION-C

EXISTING TUNNEL


29


1. REMOVE NE.CHWS&R, STEAM AND COND. PIPING INCLUDING SUPPORTS IN PIECES


EXISTING TUNNEL




SLAB REMOVALD

ᶲ300 NE.CHWS

ᶲ300 NE.CHWR

ᶲ80 E.CHWS&R


SECTION-D

EXISTING TUNNEL


30


1. REMOVE STEAM, COND., HWS&R PIPING INCLUDING SUPPORTS IN PIECES


EXISTING TUNNEL

SECTION-E




EXISTING TUNNEL

SLAB REMOVAL

E

ᶲ80 E.CHWR&S

ᶲ40 E.CHWMU&NE.CHWMU

ᶲ65/100 COND.&STEAM

ᶲ200 CW

ᶲ150 CW

ᶲ100/50 HWS&R

ᶲ100/50 LHWS&R

ESSENTIAL CHILLED WATER SYSTEM

31


32

RAMP

CHILLED WATER PUMP ROOM

CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

1. INSTALL E.CHWS&R HEADER AND PIPING THRU TUNNEL IN THE SPACE CREATED AFTER REMOVAL OF NE.CHWS&R, STEAM AND HOT WATER PIPING

A

ᶲ250 E.CHWS

SECTION-A

EXISTING TUNNEL

OLD PIPE IN SERVICE

ᶲ250 E.CHWS

NEW PIPE NOT IN SERVICE

A

NON-ESSENTIAL CHILLED WATER

SYSTEM NOT SHOWN HERE FOR CLARITY REASONS

NON-ESSENTIAL CHILLED WATER

PUMP SYSTEM NOT SHOWN HERE FOR CLARITY REASONS


33

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3


OLD PIPE IN SERVICE


B

SECTION-B

EXISTING TUNNEL

ᶲ250 E.CHWS

ᶲ250 E.CHWR

ᶲ200 CW

ᶲ150 CW

ᶲ250 E.CHWS

ᶲ250 E.CHWR


34

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3


OLD PIPE IN SERVICE


C

ᶲ200 E.CHWS

ᶲ200 E.CHWR

ᶲ150 CWᶲ200 CW

SECTION-C

EXISTING TUNNEL

ᶲ200 ECHWS

ᶲ200 ECHWR


35

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3


OLD PIPE IN SERVICE


D

ᶲ80 E.CHWS&R

SECTION-D

EXISTING TUNNEL

ᶲ80 E.CHWS&R


36

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

1. INSTALL PUMP HEADER IN PUMP ROOM AND CONNECT NEW PIPING WITH EXISTING PIPING INSIDE HOSPITAL

2. DE-ENERGIZE CHILLER NO.2, DURING THIS PERIOD CHILLER NO.1&3 WILL BE WORKING WITH 1 CHILLER AS BACK-UP(CHILLER NO.4)

3. CLOSE ISOLATION VALVE OF CHILLER NO.24. REMOVE CHILLER CONNECTION UP TO VALVE AND REMOVE CHILLER

NO.2


37

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

5. TEST COMMISSION AND FLUSH THE NEW PIPING NETWORK6. INSTALL CHILLER NO.2, TEST AND COMMISISON7. MAKE CHILLER PIPING CONNECTION IN SUCH A WAY THAT IT SHOULD

WORK WITH OLD AND NEW HEADER8. DE-ENERGIZE CHILLER NO.4 CONSIDERING CHILLER NO.1&2 WORKING

WITH CHILLER NO.3 AS BACK-UP9. REMOVE CHILLER CONNECTION UP TO VALVE AND REMOVE CHILLER

NO.4


38

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

10. INSTALL CHILLER NO.4, TEST AND COMMISSION11. MAKE CHILLER PIPING CONNECTION IN SUCH A WAY THAT IT SHOULD

WORK WITH OLD AND NEW HEADER12. DE-ENERGIZE CHILLER NO.3 CONSIDERING CHILLER NO.2&4 WORKING

WITH CHILLER NO.1 AS BACK-UP13. REMOVE CHILLER CONNECTION UP TO VALVE AND REMOVE CHILLER

NO.3


39

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

14. INSTALL CHILLER NO.3, TEST AND COMMISSION15. MAKE CHILLER PIPING CONNECTION IN SUCH A WAY THAT IT SHOULD

WORK WITH OLD AND NEW HEADER16. SIMILARLY DE-ENERGIZE CHILLER NO.1 CONSIDERING CHILLER NO.2&3

WORKING WITH CHILLER NO.4 AS BACK-UP17. REMOVE CHILLER CONNECTION UP TO VALVE AND REMOVE CHILLER

NO.3


40

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

18. INSTALL CHILLER NO.1, TEST AND COMMISSION19. MAKE CHILLER PIPING CONNECTION TO NEW HEADER 20. DE-ENERGIZE CHWP-4, DURING THIS PERIOD NO BACK-UP AVAILABLE

FOR PUMP21. REMOVE CHWP-4 CONNECTION UP TO VALVE AND REMOVE CHWP-4


41

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4CHWP-3

22. INSTALL CHWP-4, TEST AND COMMISSION23. MAKE CHWP-4 PIPING CONNECTION TO NEW HEADER 24. STOP THE SYSTEM WITH OLD PIPING NETWORK AND START THE

SYSTEM WITH NEW PIPING NETWORK UNTIL IT PROVES TO BE IN RELIABLE OPERATION OTHERWISE

25. STOP THE NEW PIPING SYSTEM AND RUN THE SYSTEM WITH OLD PIPING SYSTEM THEN FIX THE NEW PIPING SYSTEM


42

RAMP


CHILLER COMPOUND

TUNNEL BELOW RAMP


EXISTING TUNNEL

TRENCH-1


E-CH-1

E-CH-2

E-CH-3

E-CH-4

CHWP-4

26. ONCE THE NEW SYSTEM PROVES TO BE IN RELIABLE OPERATION27. DE-ENERGIZE CHWP-3 28. REMOVE CHWP-329. INSTALL CHWP-3, TEST AND COMMISSION30. CONNECT CHWP-3 TO NEW HEADER31. REMOVE EXISTING PIPING NETWORK

CHWP-3


43

FINAL CHILLER COMPOUND LAYOUT

CHILLED WATER SYSTEM (OPTION-2)

44


45

RAMP

CHILLER COMPOUND

TUNNEL BELOW RAMP


NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


E-CH-1

E-CH-2

E-CH-3

E-CH-4

1. CONSTRUCT PIPE SUPPORT STRUCTURE ABOVE RAMP2. CONSTRUCT TRENCH-13. INSTALL NE.CHWS&R PIPING UP TO BUILDING AND MAKE TIE-IN

CONNECTIONS 4. REMOVE CHILLER NO.2, DURING THIS PERIOD ONLY 50% BACK-UP

AVAILABLE FOR ESSENTIAL CHILLER SYSTEM


46

RAMP

CHILLER COMPOUND

TUNNEL BELOW RAMP

NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


E-CH-1E-CH-3

E-CH-4

NE.CHWP-1

NE.CHWP-2

NE.CHWP-3

NE.CHWP-4

E.CHWP-1

E.CHWP-2

E.CHWP-3

E.CHWP-4

NEW CHILLED WATER PUMP ROOM

5. CONSTRUCT NEW CHILLED WATER PUMP ROOM IN THE SPACE CREATED AFTER REMOVAL OF CHILLER NO.2

6. INSTALL NE.CHWP-1 TO 4(2 WORKING AND 2 STAND-BY)7. INSTALL NE.CHW HEADER IN NEW PUMP ROOM AND CONNECT PIPING TO PUMPS8. SIMULTANEOUSLY INSTALL E.CHWP-1 TO 4(2 WORKING AND 2 STAND-BY)



47

RAMP

CHILLER COMPOUND

TUNNEL BELOW RAMP

NE-CH-13 NE-CH-5

NE-CH-6

NE-CH-7

NE-CH-8

NE-CH-9NE-CH-11


E-CH-1E-CH-3

E-CH-4

NE.CHWP-1

NE.CHWP-2

NE.CHWP-3

NE.CHWP-4

E.CHWP-1

E.CHWP-2

E.CHWP-3

E.CHWP-4

NEW CHILLED WATER PUMP ROOM

9. REMOVE AND INSTALL NE.CHILLERS AS EXPLAINED IN PREVIOUS SLIDES 10. COMMISSION AND RUN NE.SYSTEM11. REMOVE AND INSTALL ESSENTIAL CHILLERS ALONG WITH NEW PIPING AS

EXPLAINED IN PREVIOUS SLIDES12. COMMISSION AND RUN ESSENTIAL SYSTEM AND REMOVE OLD PIPING


CHILLED WATER SYSTEM CONTROL SYSTEM

48


49

NON-ESSENTIAL CHILLED WATER CONTROL SYSTEM

OPTION:1 CONSTANT VOLUME CHILLED WATER SYSTEM


50

NON-ESSENTIAL CHILLED WATER CONTROL SYSTEM

OPTION:1 CONSTANT VOLUME CHILLED WATER SYSTEM


51

TYPICAL EXISTING AHU CONNECTION DETAIL


52

ESSENTIAL CHILLED WATER CONTROL SYSTEM

OPTION:2 VARIABLE VOLUME CHILLED WATER SYSTEM


53

ESSENTIAL CHILLED WATER CONTROL SYSTEM

OPTION:2 VARIABLE VOLUME CHILLED WATER SYSTEM


54

TYPICAL NEW PROPOSED AHU CONNECTION DETAIL


55

CONSTANT vs VARIABLE CONTROL SYSTEM COST ANALSYSCONSTANT VOLUME NON-ESSENTIAL SYSTEM FOR HOSPITAL + OPD

KW @ 100% FLOW = 143 KWTOTAL KW-HR (ANNUAL) = 143 KW X 8760

= 1252680 KW-HR

CONSTANT VOLUME ESSENTIAL SYSTEM FOR HOSPITAL

KW @ 100% FLOW = 50 KWTOTAL KW-HR (ANNUAL) = 50 KW X 8760

= 438000 KW-HR

TOTAL NON ESSENTIAL + ESSENTIALSYSTEM KW-HR = 1690680 KW-HR


56

CONSTANT vs VARIABLE CONTROL SYSTEM COST ANALSYSVARIABLE VOLUME NON-ESSENTIAL SYSTEM FOR HOSPITAL + OPD

KW @ 75% FLOW = 73 KWKW @ 50% FLOW = 33 KW

CONSIDERING 25% LOAD @ 100% SPEED, 50% LOAD @ 75% SPEED & 25% LOAD @ 50% SPEED

KW-HR = 713940 KW-HR

VARIABLE VOLUME ESSENTIAL SYSTEM FOR HOSPITAL

CONSIDERING 25% LOAD @ 100% SPEED, 50% LOAD @ 75% SPEED & 25% LOAD @ 50% SPEED

KW-HR = 256668 KW-HR

TOTAL NON ESSENTIAL + ESSENTIALSYSTEM KW-HR = 970608 KW-HR


57

CONSTANT vs VARIABLE CONTROL SYSTEM COST ANALSYSTOTAL KW-HR FOR NON-ESSENTIAL + ESSENTIAL CONSTANT SYSTEM

= 1690680 KW-HR

TOTAL KW-HR FOR NON-ESSENTIAL + ESSENTIAL VARIABLE SYSTEM= 970608 KW-HR

SAVINGS IN KW-HR (ANNUAL) = 720072 KW-HRSAVINGS IN SAR (ANNUAL) = 185,000 SAR/YEAR

Documents

Sequencing and constructibility presentation-REV8