Bowling Tower Gen 1 2 One Line.pdf

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Attached to
H361--LEX Triannual Energy Study and ARC Flash Testing
Solicitation number
36C24927Q0038
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About this file

This document is an electrical single-line diagram for a facility's power distribution system. The diagram illustrates a complex electrical infrastructure with two 1250 kVA generators (Generator #1 and #2 Tower), each with impedance ratings of 14.8% and 26.7%, serving as backup power sources. The system includes a primary switchboard (SWB SBA) operating at 0.48 kV with connections to multiple load centers: LSA through LSJ, plus DPLS and CPP panels. Each load center is stepped down from 0.48 kV to 0.208 kV through 30 kVA transformers with 4.8% impedance ratings, distributing power to nine distribution panels (PNL PLSA through PNL PLSH, and PNL CPP).

The distribution system incorporates various protective devices including GE and Siemens circuit breakers ranging from 60A to 1600A capacity, Shawmut current transformers (1200/5 ratio), and automatic transfer switches (ATS) for fire pump and critical loads. Copper conductor runs vary in gauge (from #500 kcmil down to #6 AWG) and length (ranging from 5 to 420 feet), all installed in conduit. The diagram notes that arc flash calculations reference KU Feeder Circuit #119, equipment duty calculations reference Circuit #136, and includes assumptions regarding BGFL relay settings. The system also features connections to critical and equipment-level ATS systems on separate sheets, indicating a robust redundancy design for mission-critical facility operations.

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OPEN

R

R R R R

R R

ELEV

0.2 kV

SWB SBA

PNL LSTJ

0.2 kV

PNL LSH 0.4

8 k

V

DC T-PLSH PRI

0.4 8 k

V

PNL PLSH

0.2 kV

PNL LSG 0.4

8 k

V

DC T-PLSG PRI

0.4 8 k

V

PNL PLSG

0.2 kV

PNL LSF 0.4

8 k

V

DC T-PLSF PRI

0.4 8 k

V

PNL PLSF

0.2 kV

PNL LSE 0.4

8 k

V

DC T-PLSE PRI

0.4 8 k

V

PNL PLSE

0.2 kV

PNL LSD 0.4

8 k

V

DC T-PLSD PRI

0.4 8 k

V

SWB ESB 0.4

8 k

V

DC ATS FIRE PUMP

0.4 8 k

V

TEMP GEN 0.4

8 k

V

PNL PLSD

0.2 kV

PNL LSC 0.4

8 k

V

PNL DPLS 0.4

8 k

V

DC T-PLSC PRI

0.4 8 k

V

PNL PLSC

0.2 kV

PNL LSB 0.4

8 k

V

DC T-PLSB PRI

0.4 8 k

V

PNL PLSB

0.2 kV

PNL LSA 0.4

8 k

V

DC T-PLSA PRI

0.4 8 k

V

PNL PLSA

0.2 kV

PNL CPP

0.2 kV

ATS LS

GEN #1 TOWER

1250 kVA 14.8% 26.7% 0.022%

GEN #2 TOWER

1250 kVA 14.8% 26.7% 0.022%

SWB SBA

0.080305 + j0.419855

0.610845 + j0.70511

SWB SBA CRT #119

0.080379 + j0.425267

0.610845 + j0.70511

T-LSTJ

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSH

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSG

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSF

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSE

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSD

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSC

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSB

30 kVA

0.48 - 0.208 kV 4.8%

T-PLSA

30 kVA

0.48 - 0.208 kV 4.8%

T-CPP

30 kVA

0.48 - 0.208 kV 4.8%

1- 1/

C -4

A W

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C U

, 1 5'

C on du it

1- 1/

C -8

A W

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C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 5

[C on du it

1- 1/

C -2

A W

G

C U

, 1

[C on du it

1- 1/

C -6

A W

G

C U

, 1

[C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 1 5'

C on du it

1- 1/

C -2

A W

G

C U

, 3

[C on du it

1- 1/

C -6

A W

G

C U

, 5

[C on du it

1- 1/

C -6

A W

G

C U

, 1 5'

C on du it

1- 1/

C -2

A W

G

C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 2

[C on du it

1- 1/

C -6

A W

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C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -3

A W

G

C U

, 1 5'

C on du it

1- 1/

C -2

A W

G

C U

, 3

[C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 3

[C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

4- 1/

C -5 k cm il

C U

, 5 0'

C on du it

1- 1/

C -3 k cm il

C U

, 2 5'

C on du it

1-1/C-500 kcmil

CU, 70', [Conduit]

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

4- 1/

C -3 k cm il

C U

, 4 0'

C on du it

1- 1/

C -2

A W

G

C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 4

[C on du it

1- 1/

C -6

A W

G

C U

, 1

[C on du it

1- 1/

C -5 k cm il

C U

, 8 0'

C on du it

1- 1/

C -5 k cm il

C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 1 0'

C on du it

1- 1/

C -2

A W

G

C U

, 4

[C on du it

1- 1/

C -6

A W

G

C U

, 1 0'

C on du it

1- 1/

C -6

A W

G

C U

, 2 0'

C on du it

1- 1/

C -2

A W

G

C U

, 2 5'

C on du it

1- 1/

C -2

A W

G

C U

, 4

[C on du it

1- 1/

C -6

A W

G

C U

, 2 5'

C on du it

1- 1/

C -6

A W

G

C U

, 1 5'

C on du it

1- 1/

C -2

A W

G

C U

, 1 5'

C on du it

1- 1/

C -4

A W

G

C U

, 8 5'

C on du it

1- 1/

C -1

/0 A

W G

C U

, 1 0'

C on du it

A

G en er ic

C U

, 8 5'

A

G en er ic

C U

, 1

' GE AKS-50

1600/400A

Siemens BL 125/60A

C-H DSII-616

1600/1120A

C-H DSII-608

800/400A

C-H DSII-616

1600/1520A

C-H DSII-616

1600/1520A

C-H DSII-616

1600/1600A

C-H DSII-608

800/800A

C-H DSII-616

1600/400A

GE SGLA 3P

GE THHQB

100/50A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/45A

GE TEY

100/30A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE THHQB

100/50A

GE TEY

100/45A

Siemens BLH 125/70A

GE SELA 3P GE SELA 3P GE SELA 3P GE SELA 3P GE SELA 3P

GE SELA 3P GE SELA 3P GE SELA 3P GE SELA 3P

GE

60 A

GE

60 A

GE

60 A

GE

60 A

GE

60 A

GE

60 A

GE

60 A

GE

60 A

Shawmut TRS 600A

1200/5 1200/5 1200/5

1200/5 1200/51200/5 1200/5

To Fire Pump ATS

Sheet MV

Feed from SWB SBA

Sheet xxxxx

KU Feeder Crt #136 (Used for equipment duty calculations)

KU Feeder Crt #119 ( Used for Arc Flash

Calculations)

Assumed all BGFL settings

Old study has ITE

BGFL

all 500A and 1200A

CT

To ATS-CRITICAL

Sheet Tower

To ATS-EQUIP

Sheet Tower

File details come from the government source that posted it. Updated .