Bowling Tower Gen 1 2 One Line.pdf
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- Solicitation number
- 36C24927Q0038
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
G
C U
, 1 5'
C on du it
1- 1/
C -8
A W
G
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
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 -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 .