F-813-60-02_EP601_REV_1.pdf

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US Army Corps

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EP601A1

ELECTRICAL ONE LINE DIAGRAM

IN DUCT BANK

FEEDERS INSTALLED

7 TYPICAL

IN MAIN LAB

SUGGESTED SEQUENCE OF CONSTRUCTION

KEYED NOTES:

CRREL

M

METERING

CUSTOMER

GOLB

ST-1

RELAY

VFI #1

VFI #1

RELAY

VFI #2

VFI #2

RELAY

VFI #3

VFI #3

RELAY

VFI #4

VFI #4

RELAY

VFI #5

VFI #5

ST-2

BOX

JUNCTION

600AMP

15KV

SWITCH

INTERRUPTER

LOAD

PE4LMCCMDP

65kAIC

K

M

65kAIC

K

M

65kAIC

E

M

1000AT

1200AF

65kAIC

E

M

EXTERIOR SWITCHGEAR LINEUP

NEW 3000A,480/277V, 3Ø, 4W

EMH-MV-NEW

BUS A BUS BBUS A BUS B

MV-1 MV-2

MV-2B MV-1B MV-1A MV-2A

BUS ABUS B

BUS A BUS B

LV-4 LV-3 LV-1

LV-1

LV-2

LV-2

LV-3

LV-4

LV-6 LV-5

1000AT

1200AF

EMH-LV-NEW

UTILITY

POLE

RISER

SWITCH

VFI

ARRESTOR

WITH LIGHTNING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

3500AT

4000AF

ARRESTOR

WITH LIGHTNING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

POLE MOUNT

TRANSFORMER

3-50 KVA

BOX

JUNCTION

BOX

JUNCTION

BOX

JUNCTION

BOX

JUNCTION

480/277 SECONDARY

13.2 KV PRIMARY

DELTA/WYE

TRANSFORMER

OIL FILLED

2 MVA

ARRESTOR

WITH LIGHTINING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

600AMP

15KV

SWITCH

INTERRUPTER

LOAD

480/277 SECONDARY

13.2 KV PRIMARY

DELTA/WYE

TRANSFORMER

OIL FILLED

2.5 MVA

ARRESTOR

WITH LIGHTINING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

480/277 SECONDARY

13.2 KV PRIMARY

DELTA/WYE

TRANSFORMER

OIL FILLED

500 KVA

ARRESTOR

WITH LIGHTINING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

ARRESTOR

WITH LIGHTINING

CUTOUT SWITCH

PHASE FUSED

OVERHEAD 3

POLE-MOUNT

BANK

TRANSFORMER

37.5 KVA

3 PHASE

480/277 SECONDARY

13.2 KV PRIMARY

DELTA/WYE

TRANSFORMER

500 KVA OIL FILLED

480/277 SECONDARY

13.2 KV PRIMARY

DELTA/WYE

TRANSFORMER

OIL FILLED

300 KVA

ADDITION

IN LAB

ADDITION

IN LAB

ADDITION

IN LAB

ADDITION

IN LAB

450AT

600AF

450AT

600AF

IN DUCT BANK

FEEDERS INSTALLED

3500AT

4000AF

1000AT

1600AF

1000AT

1600AF

1200AT

1600AF

1200AT

1600AF

1200AT

1600AF

1200AT

1600AF

1600AT

1600AF

1600AT

1600AF

3000AT

3200AF

3000AT

3200AF

1600AT

1600AF

600AT

600AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600 AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600 AF

1600AT

1600AF

1600AT

1600AF

600AT

600AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600 AF

600AT

600AF

600AT

600AF

600AT

600 AF

600AT

600 AF

1600AT

1600AF

IN MAIN LAB

MEDIUM VOLTAGE VAULT.

8. PROVIDE MEDIUM VOLTAGE TAP PER SPECIFICATION 26 05 13 IN

7. SEE FEEDER SCHEDULE ON SHEET EP606.

SHEETS ES-101, ES-102, EP-603, AND EP-604.

CONFIGURATION PER SPECIFICATIONS 26 11 16 AND 26 23 00. SEE

VOLTAGE POWER SWITCHGEAR ARRANGED IN A DOUBLE ENDED

PRIMARY SIDE SWITCHES, TWO TRANSFORMERS, AND A LOW

6. PROVIDE 208V SECONDARY UNIT SUBSTATION WITH TWO 13.8 KV

CONFIGURATION PER SPECIFICATIONS 26 11 16 AND 26 23 00.

VOLTAGE POWER SWITCHGEAR ARRANGED IN A DOUBLE ENDED

PRIMARY SIDE SWITCHES, TWO TRANSFORMERS, AND A LOW

5. PROVIDE 480V SECONDARY UNIT SUBSTATION WITH TWO 13.8 KV

4. PROVIDE CONCRETE LOW VOLTAGE MANHOLE PER CIVIL SHEETS.

3. PROVIDE LOW VOLTAGE DUCT BANK PER CIVIL SHEETS.

2. PROVIDE MEDIUM VOLTAGE DUCT BANK PER CIVIL SHEETS.

1. PROVIDE CONCRETE MEDIUM VOLTAGE MANHOLE PER CIVIL SHEETS.

44. PUT UP TRANSFORMER YARD FENCE.

FEEDER IN MAIN LAB BACK TO TRANSFORMER YARD.

43. DEMOLISH MEDIUM VOLTAGE SWITCHGEAR AND ASSOCIATED

TO TRANSFORMER YARD.

42. DEMOLISH MEDIUM VOLTAGE FEEDER FROM LAB ADDITION BACK

IN LAB ADDITION.

41. DEMOLISH 480V TRANSFORMER AND ASSOCIATED DISTRIBUTION

40. COMMISSION AND ENERGIZE A- SIDE OF THE UNIT SUBSTATIONS.

39. ENERGIZE VI#4.

NEW PANEL AND PULL OLD FEEDERS OUT OF THE EQUIPMENT.

38. SWAP FEEDERS IN CC AND PE4L FROM EXISTING SOURCE TO

37. TERMINATE 480V FEEDER TO LAB ADDITION IN NEW 480V PANEL.

MANHOLE BACK TO VI#4 AND TERMINATE.

36. PULL MEDIUM VOLTAGE CABLE FROM SECOND SPLICE IN

35. DISCONNECT LAB ADDITION FEEDER FROM VI#4.

34. SHUTDOWN VI#4.

AND PE4L.

33. INSTALL FEEDERS FROM NEW PANEL IN LAB ADDITION TO CC

32. INSTALL NEW 1200A 480V PANEL IN LAB ADDITION.

ASSOCIATED PRIMARY SWITCH IN LAB ADDITION.

31. DEMOLISH 300 VA TRANSFORMER WITH 208V SECONDARY AND

30. RE-ENERGIZE VI#4.

29. TERMINATE 208V FEEDER TO LAB ADDITION IN PANEL MBP.

OF THE PANEL.

28. DISCONNECT PANEL MBP FEEDER CABLES AND PULL THEM OUT

SWITCHGEAR.

27. DISCONNECT MEDIUM VOLTAGE TAP IN LAB ADDITION

26. SHUTDOWN VFI#4.

ENERGIZE VFI#5.

25. COMMISSION AND ENERGIZE NEW UNIT SUBSTATIONS AND

FROM B-BUSSES TO THE A-BUSSES.

24. IN THE MAIN LAB TRANSFER SWITCHGEAR SOURCE OF POWER

THE SWITCHGEAR LINEUP.

23. IN THE MAIN LAB DISCONNECT THE B-SIDE TRANSFORMER FROM

OF THE SWITCHGEAR LINEUPS.

22. IN MAIN LAB TERMINATE 480V AND 208V FEEDERS ON THE A-BUS

#5 AND TERMINATE.

21. PULL MEDIUM VOLTAGE CABLE FROM SPLICE IN MANHOLE TO VFI

20. DISCONNECT VFI #5 FEEDER TO MAIN LAB.

19. SHUTDOWN VFI #5 IN VFI SWITCHGEAR.

18. INSTALL MEDIUM VOLTAGE SPLICES IN MANHOLE.

MANHOLE.

SUBSTATION PRIMARY SWITCH BACK TO MEDIUM VOLTAGE

17. INSTALL MEDIUM VOLTAGE CABLES FROM EACH UNIT

SWITCHGEAR LINEUPS.

16. DEMOLISH MAIN LAB TRANSFORMERS ON THE A-SIDE OF THE

BUS B AND LOCK OUT THE A SIDE.

208V SWITCHGEAR FROM MAIN BREAKER BUS A TO MAIN BREAKER

TRANSFORMERS AND TRANSFER POWER AT MAIN LAB 480V AND

LAB 480V AND 208V SWITCHGEAR FROM THEIR A-SIDE

15. DURING HALF DAY SHUTDOWN ON A WEEKEND DISCONNECT MAIN

TERMINATION.

VOLTAGE ROOM AND LEAVE FEEDER PREPARED FOR

14. INSTALL 208V AND 480V FEEDERS TO MAIN LAB ADDITION HIGH

FOR TERMINATION LATER.

208V SWITCHGEAR, LEAVE FEEDER COILED ABOVE THE CEILING

13. INSTALL 208V FEEDER FROM NEW UNIT SUBSTATION TO MAIN LAB

FOR TERMINATION LATER.

480V SWITCHGEAR, LEAVE FEEDER COILED ABOVE THE CEILING

12. INSTALL 480V FEEDER FROM NEW UNIT SUBSTATION TO MAIN LAB

11. INSTALL 208V UNIT SUBSTATION.

10. INSTALL 480V UNIT SUBSTATION.

9. INSTALL MAIN LAB FEEDER CONDUITS.

8. INSTALL CONCRETE PADS FOR NEW UNIT SUBSTATIONS.

7. INSTALL LOW VOLTAGE DUCT BANKS.

6. INSTALL LOW VOLTAGE MANHOLE OUTSIDE TRANSFORMER YARD.

5. INSTALL MEDIUM VOLTAGE MANHOLE IN TRANSFORMER YARD.

4. INSTALL MEDIUM VOLTAGE DUCT BANKS IN TRANSFORMER YARD.

3. EXCAVATE TRANSFORMER YARD EXTENSION.

ROUTES FOR BURIED OBSTACLES AND MARK OBSTACLES.

2. SURVEY TRANSFORMER YARD AREA AND PROPOSED DUCT BANK

1. REMOVE TRANSFORMER YARD FENCE.

NOT TO SCALE

EXTERIOR SWITCHGEAR LINEUP

NEW 4000A, 208/120V, 3Ø, 4W

MH-A MH-B

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G R

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P A

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B R

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B R

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N H

E A

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1600AT

2000AF

1600AT

2000AF

1600AT

1600AF

SPARE

1600AT

1600AF

SPARE

1600AT

1600AF

SPARE

1600AT

1600AF

SPARE SPARE SPARE

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