Amendment 0004 Drawings.pdf

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1. CONNECT TO EXISTING CONDENSER WATER SUPPLY AND RETURN.

2. PROVIDE NEW CHEMICAL BY-PASS FEEDER. SEE SHEET M-611 FOR

CHEMICAL BY-PASS FEEDER SCHEDULE.

3. PROVIDE NEW AIR SEPARATOR. SEE SHEET M-611 FOR AIR SEPARATOR

SCHEDULE.

4. PROVIDE NEW INLINE HOT WATER PRIMARY SYSTEM PUMP. SEE M-609

FOR PUMP SCHEDULE.

5. PROVIDE NEW INLINE HOT WATER SECONDARY SYSTEM PUMP. SEE M-609

FOR PUMP SCHEDULE.

6. PROVIDE NEW INLINE CHILLED WATER PRIMARY SYSTEM PUMP. SEE

SHEET M-609 FOR PUMP SCHEDULE.

7. PROVIDE NEW INLINE CHILLED WATER SECONDARY SYSTEM PUMP. SEE

SHEET M-609 FOR PUMP SCHEDULE.

8. PROVIDE NEW EXPANSION TANK AND NEW 4" PAD. SEE SHEET M-611 FOR

EXPANSION TANK SCHEDULE.

9. PROVIDE REDUCER FOR COIL CONNECTION AS REQUIRED.

10. EXISTING BAS CONTROL PANEL.

11. PROVIDE NEW STORAGE TANK AND NEW 4" PAD. SEE SHEET M-611 FOR

STORAGE TANK SCHEDULE.

12. BALANCE THREE-WAY VALVE BYPASS TO MINIMUM FLOW.

SCALE:

A3

MECHANICAL ENLARGED PIPING PLAN - LEVEL 1 - ROOM 1203

1/4" = 1'-0"

0 4' 8'2'

SHEET KEYED NOTES

XX

1. SEE MECHANICAL SCHEMATIC E1/M-703 AND SHEET M-704 FOR VALVES,

PIPE SIZE AND LOCATION IN THE SYSTEM.

2. COORDINATE ELEVATION OF PIPES WITH OVERHEAD DUCTWORK.

3. ADD REDUCERS AS REQUIRED FOR SYSTEMS INSTALLATION.

GENERAL SHEET NOTES

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M-609

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WATER COOLED CHILLER SCHD. NOTES

1. 30% PROPOLENE GLYCOL IN CHILLED WATER FLOW - NO GLYCOL IN

CONDENSER WATER FLOW.

2. CONTRACTOR TO VERIFY SELECTED CHILLER WILL FIT IN ASSOCIATED

ROOM WITH RELATION TO EXISTING MECHANICAL SYSTEMS AND

CLEARANCES PRIOR TO SUBMITTING SHOP DRAWINGS.

HOT WATER BOILER SCHD. NOTES

1. 30% PROPOLENE GLYCOL.

2. PRE-ENGINEERED BOILER SKID.

3. PROVIDE ENCLOSED 15KVA, 480V PRI., 208V SEC., 3 PHASE TRANSFORMER.

4. PROVIDE ENCLOSED 9KVA, 480V PRI., 208V SEC., 3 PHASE TRANSFORMER.

PUMP SCHEDULE NOTES

1. PUMPS PROVIDED BY BOILER MANUFACTURER ON PRE-ENGINEERED

SKID.

2. 30% PROPOLENE GLYCOL. IN SERVICE LINES.

3. VFD CONTROLLED.

FAN COIL SCHEDULE NOTES

1. PROVIDE WALL THERMOSTAT.

2. MANUFACTURER TO PROVIDE CONTROL/BALANCING VALVE.

3. PROVIDE CONDENSATE PUMP. HP = 1/30, WATTS = 73, CAPACITY = 1/2 GALLON.

4. COOLING EWT 43° F, LWT 53° F.

5. HEATING EWT 140° F, LWT 110° F.

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MAU AND AHU SCHEDULE NOTES

1. HEATING COILS DESIGN CONDITION BASED ON 140° F EWT AND 110° F

LWT.

2. REHEAT AIR HEATING COIL SIZING BASED ON 53° F EAT, 90° F EWT, AND

75° F LAT, AND 50% RELATIVE HUMIDITY.

3. PRE-HEATING COIL TEMPERATURES BASED ON 0° F EAT AND 55° F LAT.

4. COOLING AIR COIL SIZING IS BASED ON 85°/80° F DB/WB EAT AND 53°/53° F

DB/WB LAT.

5. CHILLED WATER SIZING CONDITION BASED ON 43° F EWT AND 53° F LWT.

6. REHEAT TO 70° F FOR SUPPLY AIR HUMIDITY OF 50% R.H.

7. REUSE EXISTING SHELL, CHILLED WATER AND PREHEAT COILS TO BE

REPLACED.

8. REPLACE FAN MOTOR AND PROVIDE VARIABLE FREQUENCY DRIVE (VFD)

AND CONTROLS FOR TIME SCHEDULED AIR SUPPLY CONTROL.

9. FIELD VERIFY COIL WILL FIT IN THE EXISTING MAU'S SHELL CASING

BEFORE START OF CONSTRUCTION.

10. INSTALL FLOW BALANCE VALVES, DAMPERS, AND TEST, ADJUST, AND

RE-BALANCE THE SUPPLY AIR FAN SPEED (RPM), AIRFLOW (CFM), AND

DISCHARGE TOTAL STATIC PRESSURE (TSP).

11. MODIFY, ADJUST, AND RECONNECT SUPPLY AIR PLENUM AND SUPPLY AIR

DUCT FOR INSTALLATION OF DUCT MOUNTED RE-HEAT COIL

DOWNSTREAM OF MAU.

12. REPLACE EXISTING SUPPLY AIR INTAKE (70% EFF) ANGLE FILTERS IN THE

MAU'S.

13. DISMANTLE AND REPLACE EXISTING MAU HEATING AND COOLING COILS

AND RELATED PIPING. ADJUST THE LOCATION OF THE UNIT TO PROVIDE

MINIMUM ACCESS 3'-0" AREA REQUIRED FOR THE CHILLER EQUIPMENT.

14. RE-ASSEMBLE, INSTALL, AND RECONNECT OUTSIDE AIR INTAKE, SUPPPLY

AIR PLENUM, HEATING WATER SUPPLY AND RETURN PIPING, CHILLED

WATER SUPPLY AND RETURN PIPING. INSTALL CONDENSATE GRAVITY

FLOW DRAIN PIPING TO THE NEAREST FLOOR DRAIN.

15. VERIFY EXISTING EQUIPMENT SUPPLIER FOR SIZING, REQUIREMENTS,

AND CONSTRAINTS.

16. EXISTING AHU CASE TO REMAIN. REPLACE MOTOR, CHILLED WATER COIL,

PREHEAT COIL, AND REHEAT COIL.

17. 100% OUTSIDE AIR UNITS.

18. INSTEAD OF ALTERING UNITS AS SHOWN, THE CONTRACTOR HAS THE

OPTION TO REPLACE MAUS 1-1, 2-1, 3-1, 4-1, 1-3, 2-3, 3-3, 4-3, 1-4, 2-4, 3-4,

4-4, 1-5, 2-5, 3-5, & 4-5 USING THE SCHEDULES ON THE DOCUMENTS AND IN

ACCORDANCE WITH THE FOLLOWING REQUIREMENTS. UNITS SHALL BE

COMPLETE WITH ALL CURRENT FEATURES SHOWN CASING FILTERS, COIL,

PREHEAT AND REHEAT COILS, CONTROLS, FAN, MOTORS, AND VSD'S AND

COMPLY WITH THE GOVERNMENTS SPECIFICATIONS. ADEQUIATE

PROVISIONS FOR COIL REMOVAL SHALL BE PROVIDED. CONTRACTOR

SHALL MAKE ALL CHANGES NECESSARY TO IMPLEMENT THIS WORK

INCLUDING PIPING CHANGES, CONTROLS, MOTOR AND ELECTRICAL

CHANGES, DUCTWORK CONNECTION, AND PAD CHANGES. CONTRACTOR

WILL ASSURE 3' MINIMUM CLEARANCE AROUND THE TWO OPERATING

SIDES OF THE MAU'S. THE CURRENT SPACING BETWEEN THE DISCHARGE

END OF THE UNIT TO THE ADJACENT WALL OF 30” SHALL BE

MAINTAINED. CONTRACTOR SHALL MAKE ANY CHANGES AS NECESSARY

FOR UNIT ACCESS TO THE INDIVIDUAL MAU ROOMS, INCLUDING ANY

ARCHITECTURAL CHANGES AND ANY INCIDENTAL WORK (RELOCATING

ELECTRICAL DEVICES, ETC.) TO ASSURE ACCESS. THE FREIGHT

ELEVATOR SERVING THE FOUR FLOORS OF THE BUILDING IS LIMITED TO

AN ASSEMBLY OF 3'8” W x 7'H x 8'4”L IN SIZE AT ANY ONE TIME. ALL

CHANGES SHALL BE FULLY DOCUMENTED ON SHOP DRAWINGS AND IN

THE AS-BUILT SET SUITABLE FOR FINAL DRAFTING WITHOUT

SUPPLEMENTAL INFORMATION OR SITE VISITS BY THE DESIGN TEAM.

PHOTOS MAY SUPPLEMENT BUT NOT REPLACE MARKED UP AS-BUILT

DRAWINGS WHICH SHOULD STAND ON THEIR OWN IN TERMS OF

ACCURACY AND DETAIL.

19. MINIMUM OUTSIDE AIR 1,500 CFM, MAXIMUM OUTSIDE AIR 16,400 CFM

20. MINIMUM OUTSIDE AIR 300 CFM, MAXIMUM OUTSIDE AIR 2,600 CFM

ELECTRIC HEATER SCHEDULE NOTES

1. FLOOR MOUNTED.

2. PROVIDE THERMOSTAT.

ROOF TOP UNIT SCHEDULE NOTES

1. FACTORY INSTALLED DISCONNECT.

2. WIRED CONVENIENCE OUTLET.

3. HAIL GUARDS.

4. SINGLE POINT POWER.

5. FACTORY FURNISHED ROOF CURB.

6. VFD INTEGRAL UNIT.

7. BACNECT CONTROL CARD.

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LEVEL 1

CHEMICAL

BY-PASS

FEEDER

TO EXISTING MAKE UP WATER AND

BACKFLOW PREVENTER

PRESSURE

GAUGE (TYP)

ISOLATION

VALVE

HOT WATER

SECONDARY

PUMP

EXPANSION

TANK

SEE SHEET M-703 FOR HOT

WATER SUPPLY CONTINUATION

SEE SHEET M-703 FOR HOT

WATER RETURN CONTINUATION

BOILER

2 1/2" HWR

AIR SEPARATOR

AIR VENT

3/4" HWR

2 1/2" HWR

3/4" HWS

2 1/2" HWR

3" COMMON PIPE

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CHECK

VALVE (TYP)

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PRIMARY PUMP

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SEE SHEET M-703 FOR CHILLED

WATER RETURN CONTINUATION

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M-704

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SCALE:

A1

MECHANICAL BOILER PIPING - SECTOR 6 MECHANICAL ROOM

NTS

SCALE:

D1

MECHANICAL CHILLER PIPING - SECTOR 6 MECHANICAL ROOM

NTS

GENERAL SHEET NOTES

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3# 4, 1# 2G, 1-1/4"C

CH

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DS-HWP13

30/3

ELP1W2-7,9,11

DS-CWP9

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UH

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ELP1W2-31,33,35

ELP1W2-8,10,12

ELP1W2-25,27,29

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VFD-AHU3

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LP1W1-12

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SCALE:

A3

ELECTRICAL ENLARGED PLAN - LEVEL 1 - ROOM 1203 & 1204

1/4" = 1'-0"

0 4' 8'2'

1. REPLACE (12) EXISTING 20A/1P CIRCUIT BREAKERS WITH (4) 15A/3P CIRCUIT

BREAKERS IN EXISTING PANEL ELP1W2. (CWP9, CWP10, HWP13, HWP14)

2. INSTALL NEW 70A/3P CIRCUIT BREAKER IN SPARE SLOT IN EXISTING PANEL

DP1W3. (CH5)

3. PROVIDE AND INSTALL MOTOR RATED SWITCH FOR UNIT HEATER.

4. INSTALL 480V, 3 PHASE, 7.5HP VFD FOR AIR HANDLING UNIT (AHU3). VFD

FURNISHED BY MECHANICAL CONTRACTOR.

5. INSTALL 480V, 3 PHASE, 1.5HP VFD FOR BOILER PUMP. VFD FURNISHED BY

MECHANICAL CONTRACTOR.

6. INSTALL NEW DUCT SMOKE DETECTOR IN RETURN AIR DUCT. CONNECT NEW

DUCT DETECTOR TO EXISTING FACP. AFTER INSTALLATION, DUCT DETECTOR

SHALL BE TESTED TO ENSURE PROPER NOTIFICATION AT FACP.

7. INSTALL 480V, 3 PHASE, 1HP VFD FOR CHILLER PUMP. VFD FURNISHED BY

MECHANICAL CONTRACTOR.

8. PROVIDE AND INSTALL MOTOR RATED SWITCH FOR EXHAUST FAN.

9. PROVIDE AND INSTALL MOTOR RATED SWITCH FOR FAN COIL UNIT.

1. REFER TO SHEET E-407 FOR LOCATION OF EXISTING PANELS PP1W1,

PP1W2, LP1W1, AND LP1W2. MECHANICAL ROOM 1203 IS APPROXIMATELY

200' FROM ELECTRICAL ROOM 1304.

SHEET KEYED NOTES

GENERAL SHEET NOTES

XX

M

O D

I F

Y

D

E T

A I L

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DN

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FD

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ELECTRICAL

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ELECTRICAL

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MECHANICAL

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