ATTACHMENT 3 - GSQ1 Low Voltage Drawing.pdf
PDF 101 KB Posted
- Attached to
- Dworshak Dam Square D Low Voltage Switchboard Federal contract opportunity
- Solicitation number
- W912EF25QA023
About this file
This document is a low voltage switchgear one-line electrical diagram for the Dworshak Fish Hatchery Electrical Upgrade project, prepared by the U.S. Army Corps of Engineers Walla Walla District. The technical drawing depicts a switchboard configuration with multiple electrical components, including a 3200A main bus, generator section (G1), incoming metering sections, and various 800A and 400A feed sections. The diagram shows a complex electrical distribution layout with vertical bus ratings ranging from 2000A to 3200A thermal capacity, utilizing Square D equipment and featuring bottom-fed relay circuit breakers with different specifications across multiple electrical sections.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| ATTACHMENT 2 - GSQ1 Low Voltage Drawing.pdf | ||
| ATTACHMENT 1 - Technical Specifications.pdf |
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Text version
L V
S W
IT
C
H B
O A
R D
G S
Q
A
D e s c r ip ti o n S y m b o l
1 2 3 4 5
B
C
D
C O
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F E
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IN
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W A
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IN
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D B
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D A
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D e s c r ip ti o n S y m b o l
D a te
A p p r
US Army Corps of Engineers
Walla Walla District
C O
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F
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A p p r
D a te
D W
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S H
A K
D A
M A
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W A
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Sheet number:
X X
-B -X
X X
X
K1
VAM 4C
RELAY CT
BOTTOM FED
LSIG
TU (X)
ELECT
3200A Z2H1 1C
HSJ1
ØAØBØC
TH110
CL110
SEC 1
Y
SPD
3200A BUS
BOT
LSI
TU (X)
ELECT
800A Z2H1 2C
SPARE
K1
VAM 4C
RELAY CT
BOTTOM FED
LSIG
TU (X)
ELECT
3200A Z2H1 4C
GENERATOR G1
ØAØBØC
TH110
SPD
22" FRAME 22" FRAME 22" FRAME 22" FRAME
NOT TO SCALE
SWITCHGEAR - ONELINE
LOW VOLTAGE
BOT
LSI
TU (X)
ELECT
800A Z2H1 2B
GCQ2
NEUTRAL
INCOMING
METERING CT
HRGU (STD)
BOT
LSI
TU (X)
ELECT
800A Z2H1 2D
GCQ4
BOT
LSI
TU (X)
ELECT
800A Z2H1 3C
GCQ3
400A
FEED
BUILDING
ELECTRICAL
CL110
SEC 4
Y
METERING CT
NEUTRAL
INCOMING
HRGU (STD)
3200A, THERMAL
VERTICAL BUS:
2000A, THERMAL
VERTICAL BUS:
2000A, THERMAL
VERTICAL BUS:
3200A, THERMAL
VERTICAL BUS:
E L
E C
T R
IC
A
L U
P G
R A
D E
D W
O R
S H
A K
F
IS
H H
A T
C H
E R
Y
GSQ1 low voltage - 2.dgn 3/31/25 8:34:38 X:\H-Hatchery\Drawings\GSQ1 low voltage - 2.dgn
File details come from the government source that posted it. Updated .