Bowling B MV One Line.pdf

PDF 118 KB Posted Nov 5, 2026

Attached to: H361--LEX Triannual Energy Study and ARC Flash Testing
Solicitation number: 36C24927Q0038
Issued by: Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 9

About this file

Written by GovTribe AI · Nov 5, 2026

This document is an electrical one-line diagram for a facility's power distribution system. The schematic illustrates a complex electrical infrastructure operating at multiple voltage levels: 12.47 kV at the transmission level, 0.48 kV at the main distribution level, and 0.208 kV at the utilization level. The system includes two primary utility feeds from tower-mounted medium voltage buses (Bus 1 and Bus 2 at 12.47 kV), with dual main service entrances at 0.48 kV designated as Main Service #1 and #2. Power distribution flows through multiple transformers ranging from 1,500 kVA to 2,500 kVA capacity, with impedance values between 4.35% and 6.1%, serving various facility loads including chillers (ranging from 500 HP to 1,100 HP), cooling towers (100 HP each), pumping systems for chilled water, condenser water, and fire suppression, and air handling units.

The electrical infrastructure incorporates redundancy through dual switchboards (SWB Main 1A/1B and SWB Main 2A/2B), automatic transfer switches (ATS) for fire pump, life safety, critical, and equipment loads, and network protection schemes with multiple relays distributed throughout the system. The diagram specifies conductor types and sizes (ranging from 8 AWG to 600 kcmil copper), conduit lengths, and circuit protection equipment including Siemens and Square D breakers and disconnects. Metering and protection relay locations (Relay 1 through Relay 9, Relay U136, and Relay U119) are identified to monitor system performance. Additional notes indicate that panels E1, E2, and T-E2 located in the Chiller Plant are fed from the Main Hospital facility and reference separate one-line diagrams for tower generators and other distribution points.

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OPEN

OPEN OPEN

OPEN

OPEN OPEN

50N 51N

R R R R

51 51 51 N

TOWER MV (BUS 1)

.47 kV

TOWER MV (BUS 2)

.47 kV

MAIN SERVICE #1

0.4 8 k

V MAIN SERVICE #2

0.4

8 k V

MAIN BLDG MV (A)

MAIN BLDG MV (B)

.47 kV

DC FIRE PUMP ATS

0.4 8 k

MAIN BLDG LV #1 MAIN BLDG LV #2 0.4

8 k

SWB MAIN 1A SWB MAIN 1B 0.4

8 k

CHILLER 1 0.4

8 k

SB HSB1 0.4

8 k

BASIN HTR #1

0.4 8 k

T1 NETWORK PROT

BRK T-2A

.47 kV

BRK T-2B

.47 kV

SWB MAIN 2A SWB MAIN 2B 0.4

8 k

T4 NETWORK PROT T3 NETWORK PROT T2 NETWORK PROT

SB HSB2 0.4

8 k

PNL LP

0.4

8 k V

PNL PP

0.2 kV

BASIN HTR #2

0.4 8 k

FIRE PUMP

60 HP

Induction 16.7%

CHILLER #1B

500 HP

Induction 16.7%

COND WTR PUMP #1

150 HP

Induction 16.7%

CHILL WTR PMP #1

250 HP

Induction 16.7%

AHU4-1

15 HP

Induction 16.7%

CHILLER #2

1100 HP

Induction 16.7%

CHILLER #3

1000 HP

Induction 16.7%

COOLING TWR #3

100 HP

Induction 16.7%

COOLING TWR #4

100 HP

Induction 16.7%

CHILL WTR PMP #3

250 HP

Induction 16.7%

CHILL WTR PMP #2

250 HP

Induction 16.7%

COND WTR PMP #3

150 HP

Induction 16.7%

COND WTR PMP #2

150 HP

Induction 16.7%

SOLID SEP PMP

20 HP

Induction 16.7%

BOOSTER PMP

5 HP

Induction 16.7%

CT1

100 HP

Induction 16.7%

CT2

100 HP

Induction 16.7%

CHILLER #1A

500 HP

Induction 16.7%

KU FDR CRT #136

11.69kA

20.67 (X/R) 12.014kA

22.6 (X/R)

KU FDR CRT #119

10.075kA

23.67 (X/R) 10.315kA 26 (X/R)

T-1 1500 kVA

12.47 - 0.48 kV 5.85%

T-3 1500 kVA

12.47 - 0.48 kV 5.79%

T-2 1500 kVA

12.47 - 0.48 kV 5.78%

T-4 1500 kVA

12.47 - 0.48 kV 5.91%

T-6 1500 kVA

12.47 - 0.48 kV 6%

T-5 1500 kVA

12.47 - 0.48 kV 6.1%

T-7 2500 kVA

12.47 - 0.48 kV 5.6%

T-8 2500 kVA

12.47 - 0.48 kV 5.6%

T-2A 2000 kVA

12.47 - 0.48 kV 5.71%

T-2B 2000 kVA

12.47 - 0.48 kV 5.71%

T-T1(PNL PP)

75 kVA

0.48 - 0.208 kV 4.35%

1-1/C-4/0 AWG

CU, 500', [Conduit] 1-1/C-4/0 AWG

CU, 500', [Conduit]

1- 1/

C -4

/0 A

W G

C U

, 3 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 5 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 7 5'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 5 0'

C on du it

1- 1/

C -5 k cm il

C U

, 6

[C on du it

1- 1/

C -5 k cm il

C U

, 6

[C on du it

2- 1/

C -5 k cm il

C U

, 7 5'

C on du it

1-1/C-4/0 AWG

CU, 155', [Conduit]

1-1/C-4/0 AWG

CU, 155', [Conduit]

1- 1/

C -1

A W

C U

, 1 5'

C on du it

1- 1/

C -1

A W

C U

, 1 5'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 5 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 5 0'

C on du it

2- 1/

C -2 k cm il

C U

, 5 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 3

[C on du it

2- 1/

C -2 k cm il

C U

, 3

[C on du it

2- 1/

C -5 k cm il

C U

, 5 0'

C on du it

2- 1/

C -5 k cm il

C U

, 3

[C on du it

2- 1/

C -6 k cm il

C U

, 3

[C on du it

1- 1/

C -3 k cm il

C U

, 1

[C on du it

4- 1/

C -5 k cm il

C U

, 6 0'

C on du it

5- 1/

C -5 k cm il

C U

, 9 0'

C on du it

1- 1/

C -8

A W

C U

, 1 0'

C on du it

1- 1/

C -3

/0 A

W G

C U

, 7 0'

C on du it

1- 1/

C -3

/0 A

W G

C U

, 7 5'

C on du it

1- 1/

C -4

A W

C U

, 5 0'

C on du it

1- 1/

C -5 k cm il

C U

, 8 5'

C on du it

1- 1/

C -1

W G

C U

, 4 0'

C on du it

4- 1/

C -5 k cm il

C U

, 7 5'

C on du it

1-1/C-4/0 AWG

CU, 170', [Conduit]

1-1/C-4/0 AWG

CU, 170', [Conduit]

4- 1/

C -5 k cm il

C U

, 8 5'

C on du it

5- 1/

C -5 k cm il

C U

, 5 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 2 0'

C on du it

1- 1/

C -1

/0 A

W G

C U

, 5 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 1 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 6 5'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 7 0'

C on du it

1- 1/

C -8

A W

C U

, 1 0'

C on du it

1- 1/

C -5 k cm il

C U

, 1

[C on du it

1- 1/

C -5 k cm il

C U

, 7 5'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 3 0'

C on du it

1- 1/

C -4

/0 A

W G

C U

, 3 0'

C on du it

1- 1/

C -6

A W

C U

, 1 0'

C on du it

1- 1/

C -1

W G

C U

, 1 0'

C on du it

G en er ic

C U

, 3

G en er ic

C U

, 7 5'

GE AM-13.8-750 GE AM-13.8-750

Siemens FC-500 1200A

SQD VR-15075-12

1200A SQD VR-15075-12

1200A

Siemens RL-2000 2000/2000A

Siemens RLX-800 800/600A

Siemens RLX-800 800/400A

Siemens RLX-800 800/800A

Siemens RL-2000 2000/2000A Siemens RL-2000

2000/2000A

Siemens RLX-800 800/175A

Siemens RLX-800 800/350A

Siemens RLX-800 800/400A

Siemens RLX-800 800/600A

Siemens RLX-800 800/800A

Siemens RLX-800 800/400A

Siemens RL-3200 3200/2880A

Siemens RLX-1600 1600/1600A

Siemens RL-3200 3200/3200A

Siemens RL-3200 3200/2080A

SQD RK

2500/1600A

SQD NW32H3

3200/3200A

SQD NW20H3

2000/2000A

Siemens RLX-1600

1600/1600A SQD NW32H3

3200/3200A

SQD NW32H3

3200/2500A

SQD NW16H3

1600/1600ASiemens RLX-1600

1600/1200A

SQD HJ 60A Frame 60/40A

SQD JJ

250/200A

SQD RK

2500/1600A

SQD JJ

250/200A

SQD JJ

250/225A

SQD LJ

600/400A

SQD JJ

250/250A

SQD JJ

250/225A

SQD JJ

250/200A

SQD JJ

250/200A

SQD HJ 60A Frame 60/40A

SQD LJ

600/400A

SQD LJ

600/400A

SQD JJ

250/225A

SQD JJ

250/225A

SQD HJ

150/150A

SQD HJ 60A Frame 60/20A

SQD HD

150/150A

SQD QB

225/225A

Shawmut TRS 600A

120/5 120/5

500/5 500/5 500/5 500/5

600/5 600/5

400/5 400/5 400/5 400/5

Relay 1

Relay 4 Relay 5

Relay 2

Relay 6 Relay 7

To Busduct A&B

To SWB ESB Sheet Tower Gen 1 & 2

Sheet xxxxx

Relay 8

Panels E1, E2 and T-E2 are located in Chiller Plant and fed from Main Hospital.

See Main Hospital for one-line.

Relay 9

To SWB's SBB, SBF and SBG.

To SWB's SBA, SBC, SBD, SBE and SBH.

To ESB 1 via ATS Life Safety

To ESB 2 via ATS Critical

To ESB 4 via ATS Equip

To Busduct C&D To Panel R2 To Panel R1 To MCC4N To MCC3N To Panel MP5

Relay U136 Relay U119

File details come from the government source that posted it. Updated Nov 5, 2026.