Generator Rough In Connection SOW 20120816.pdf

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US Department of Agriculture Agricultural Research Service

National Center for Genetic Resources Preservation Generator Rough-In Connections

Statement of Work August 16, 2012

1. GENERAL

A. SUMMARY

1. Provide Rough-In Connections for the Caterpillar installers to connect the new 750 KW 480 Volt Generator and Automatic Transfer Switch (ATS) to for testing and operations.

2. Provide and install one 1000 amp 480 volt GFI main breaker service disconnect switch by ATS for main disconnect.

3. Drawings from the 1991 Contract Documents are attached for reference as follows:

a. One Line Diagram E3 1991.pdf.

b. Site Plan E4 1991.pdf.

c. Primary Plan Profile E5 1991.pdf.

d. 2nd Floor Power Plan E9 1991.pdf.

e. Switchboard MCC Elevations E41 1991.pdf.

4. Generator Pad drawing is attached as Generator site plan 20110310.pdf.

B. DESCRIPTION

1. Existing Generator was purchased in 2011 and placed on a concrete pad with underground conduits from the edge of the pad to vertical penetrations for the connections to the Generator.

2. Existing Generator is a Caterpillar Standby 750 ekW 938 kVA 60 Hz 1800 rpm 480 Volts Diesel Generator Set.

3. Interruption of Existing Electrical Service:

a. Provide temporary electrical service for any disruptions to the electrical service

b. Notify Contracting Officer Representative (COR) on site no fewer than ten days in advance of proposed interruption of electrical service.

c. Do not proceed with interruption of electrical service without COR’s written permission.

d. Coordinate outage with Caterpillar’s connecting supervisor, so both operations can occur at the same time.

C. QUALITY ASSURANCE

1. Payment and Performance Bond is required.

2. Rough-In Connector Qualifications: Electrician shall be trained and experienced for connecting generators and ATSs to existing building panels. Electrician shall

SOW Page 2 of 4 supply a written statement verifying their work complies with the National Electrical Code as part of the final contract documents, with as-built drawings.

3. Connections of generator and ATS will be performed by Caterpillar’s authorized and trained personnel.

4. Testing of generator and ATS will be by a separate independent agency as part of this contract. Testing Agency shall be an independent agency, with the experience and capability to conduct the testing indicated that is a member of the International Electrical Testing Association or is a nationally recognized testing laboratory (NRTL), and that is acceptable to authorities having jurisdiction.

a. Testing Agency’s Field Supervisor: Person currently certified by the International Electrical Testing Association or the National Institute for Certification in Engineering Technologies to supervise on-site testing.

5. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

6. Comply with ASME B15.1.

7. Comply with NFPA 37.

8. Comply with NFPA 70.

9. Comply with NFPA 99.

10. Comply with UL 2200.

D. Warranty

1. Rough-In Connections shall be warrantied for one year for materials and workmanship.

2. PRODUCTS

A. 1000 amp trip unit to fit in existing 1600 amp frame main breaker.

B. Underground conduits as needed for connections.

C. Conductors as needed for connections.

D. Inter ducts as needed for connections.

E. Red concrete for conductor encasement.

F. Concrete for sidewalk replacement and ATS pad.

G. Temporary Generator.

H. Concrete filled steel bollards to protect the Generator.

I. Government Furnished Equipment and information is as listed here:

1. C27 EPG PKG GEN SET

2. C27 750 KW 60HZ EPA CERTIFIED PKG

3. Caterpillar 1200A Automatic Transfer Switch

a. Eaton Contactor ATC-300; 1200A, 3P, 480V, NEMA 3R outdoor.

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4. Caterpillar Dealer Packaging and Startup by Wagner Equipment.

5. GENERAL ARRANGEMENT

6. ENGINE AR-C27

7. GENERATOR AR-SR4B 596 FRAME SE

8. 597-1B 600V PM GENERATOR

9. GENERATOR AR-SR4B 597 FRAME PM

10. 1140 BHP 778 EKW GEN WOF 60HZ STANDBY

11. NOTE - STAMP FOR STANDBY POWER

12. EMISSIONS CERTIFIED

13. UL2200 LISTED GENERATOR SET

14. VOLTAGE INDICATOR 600V, 60HZ

15. END USE: EP NON RENTAL PROD

16. LANGUAGE MARKINGS-ENGLISH

17. EMCP 3.3 - ENHANCED GENSET MONITORING

18. RAISE/LOWER SWITCH INSTALLED IN CONTROL

19. NFPA99-110/CSA282

20. AC CONTACTOR

21. EARTH LEAKAGE DETECTOR

22. AIR CLEANER-DUAL ELEMENT-C27 ENCLOSURE

23. HEATER GP-JACKET WATER-C27 (WIDE BASE)

24. HEATER GP-SPACE

25. BATTERY CHARGER - 10 AMP

26. OVERSIZE BATTERY SET-24V

27. ELECTRIC STARTING MOTOR-HEAVY DUTY

28. ALTERNATOR

29. ***GEN SET TEST CHG @ 0.8 PF**

30. EXTRA LITERATURE – ENGLISH

31. ENGLISH PAPER PARTS LIST

32. REMOVAL AR-1600 AMPS PTS

33. FIRST CIRCUIT BREAKER RH

34. CIRCUIT BREAKER AUX CONTACT

35. 596-1B GENERATOR REMOVAL

36. GENERATOR AR-SR4B 596 FRAME SE

37. CURRENT TRANSFORMER (1000:5)

38. MOUNTING GP-CONT PANEL(RH)

39. NFPA 99-110/CSA 282

40. C27 ENCLOSURE GP-GEN SA-BEIGE

41. BASE PA - 21.9 HR TANK

42. EXTENSION GP - S

43. EXTENSION GP - BASE

44. BREAKER GP-CIRCUIT-1200AMP-UL

3. EXECUTION

A. Remove existing feeders from existing primary transformer to existing Main Distribution Panel (MDP) inside the building.

B. Install one new 1000 amp trip unit in existing 1600 amp

SOW Page 4 of 4 frame main breaker.

C. Intercept the existing 4” underground feeder conduit and re-route three 4” conduits from the transformer to the new Automatic Transfer Switch (ATS) and installing 4-400 THHN copper wires in each.

D. Intercept existing 4” underground feeder conduit and re-route three 4” conduits from the MDP to the ATS and installing 4-400 THHN and 1-3/0 copper wire in each.

E. Install three 1" PVC conduits under the sidewalk then up the exterior wall of the building in galvanized rigid conduit to the 1st floor ceiling plenum space height and drill holes for the low voltage wiring for the remote annunciator, for the low voltage service to the generator, and future building automation connection in three junction boxes inside the east wall.

F. Install and connect the new Government furnished ATS.

G. Install three 4” underground conduits from ATS to new generator and install four 400 THHN and one 3/0 copper wire in each.

H. Connect new Government furnished generator.

I. Install three 1” underground conduits from ATS to new generator for 120 volt power to new generator, low voltage wiring for remote annunciator and future building automation connection.

J. Install 120 volt circuits and outlets for generator water jacket heater, battery charger, and battery warmer.

K. Use red concrete encasement of new underground conduits.

L. Install a maximum of 50’ of 1” conduit from MDP to remote annunciator location.

M. Demolish and Replace sidewalk to intercept underground conduits.

N. Install one 4’ x 4’ x 6” concrete pad for new ATS.

O. Provide a temporary generator for temporary power during service change over (16 hours maximum run time).

P. Install steel protection bollards for new generator set.

Space concrete filled 4" diameter steel bollards at 4 foot on center around the east side of the existing Generator Pad.

Q. Provide As-Built Site Plan and One Line Power Drawings and Certification of Rough-In Connections meeting the National Electrical Code.

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