Drawings_Amd 0002.pdf
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- Solicitation number
- W9127N23R0010
About this file
This document package includes engineering drawings and specifications for a federal contract opportunity to upgrade main unit breakers at Bonneville Powerhouse 1 on the Columbia River in Oregon. The solicitation is for replacement of main unit breakers for generators 1 through 4 and 9 through 10 at the hydroelectric power plant. The drawings depict single-line diagrams, equipment layouts, and details for disconnects, breakers, buses and related components. Specifications include equipment ratings and installation requirements. The contractor will supply and install new main unit breakers and associated switchgear. The solicitation was issued by the U.S. Army Corps of Engineers Portland District on behalf of the Bonneville Power Administration. The opportunity closes in September 2023.
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NOTES:
2. FIELD VERIFY ALL DIMENSIONS AND SPACE LIMITATIONS
1. RED/BOLD INDICATES EQUIPMENT TO BE SUPPLIED
B C
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REFERENCE DRAWINGS:
UNITS #5 & #6EL. +65,0
DELTA BUS EXTENSION UNITSP-7-330
UNITS #9 & #10-EL. +65,0
DELTA & TRANSFER BUSES P-7-308
CONNECTING BUSSES
15KV TRANSFER BUS CROSSP-7-300
FOR UNITS 5&6, EL. +65.0
DELTA BUS AND CONNECTIONS P-7-271
FOR UNITS 3&4, EL, +65,0
DELTA BUS AND CONNECTIONS P-7-270
ELEVATION +65.0
15KV SWITCHGEAR & BUSES AT P-7-185
TITLE DRAWING NO.
1XJ1.1 1XJ11XJ2
1XJ2.2
16'8'0'
B24
KEY PLAN
1:400SCALE:
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PARTIAL PLAN VIEW - EL 65.0 - UNIT 1 & 2
SCALE: 1/8" = 1'-0"
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INSTALLATION BY OTHERS.
2. DELTA BUS PT'S ARE FURNISHED AS GFE FOR
1. BOLD/ RED ITEMS INDICATE EQUIPMENT TO BE SUPPLIED.
RELAY
DIFFERENTIAL
TRANSFER BUS
TO SOUTH
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TO GENERATOR
@C400
3000:5
@C400
3000:5
1ZJ1D
TO UNIT 1
1XJ1
1XJ1 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
TO UNIT 2
RELAY
DIFFERENTIAL
TO GENERATOR
RELAY
DIFFERENTIAL
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TO SOUTH
@C400
3000:5
@C400
3000:5
1ZJ2D
1XJ2
1XJ2 BREAKER)
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NON LOAD BREAK
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2. DELTA BUS PT'S ARE FURNISHED AS GFE FOR
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RELAY
DIFFERENTIAL
TRANSFER BUS
TO SOUTH
RELAY
DIFFERENTIAL
TO GENERATOR
RELAY
DIFFERENTIAL
TO GENERATOR
RELAY
DIFFERENTIAL
TO TRANSFORMER
@C400
3000:5
@C400
3000:5@C400
3000:5
@C400
4000:5
1ZJ1.1D 1ZJ1D
TO UNIT 1
1XJ1
1XJ1 BREAKER)
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NON LOAD BREAK
DISCONNECT - 3000A
1XJ1.1
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( INTERLOCKED WITH
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DISCONNECT - 3000A
RELAY
DIFFERENTIAL
TO TRANSFORMER
RELAY
DIFFERENTIAL
TO GENERATOR
@C400
3000:5
@C400
3000:5
1ZJ2D
TO UNIT 2
1XJ2
1XJ2 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
BUS EL 77
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BUS EL 77
TO DELTA
BUS
TRANSFER
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FROM DELTA
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TO TRANSFORMER
RELAY
DIFFERENTIAL
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TO SOUTH
@C400
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@C400
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( INTERLOCKED WITH
NON LOAD BREAK
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2. DELTA BUS PT'S ARE FURNISHED AS GFE FOR
1. BOLD/ RED ITEMS INDICATE EQUIPMENT TO BE SUPPLIED.
TO UNIT 9
DELTA BUS
1XJ9
RELAY
DIFFERENTIAL
TO TRANSFORMER
RELAY
DIFFERENTIAL
TO GENERATOR
1XJ9 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
1ZJ9D
@C400
3000:5
@C400
3000:5
A4
THREE LINE DIAGRAM UNITS 9 & 10
1"=1" FULL SIZESCALE:
DELTA BUS
1XJ10
RELAY
DIFFERENTIAL
TO TRANSFORMER
RELAY
DIFFERENTIAL
TO GENERATOR
1XJ10 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
1ZJ10D
@C400
3000:5
@C400
3000:5
TO UNIT 10
1XJ10.1
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DIFFERENTIAL
TO GENERATOR
1XJ10.1 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
1ZJ10.1D
@C400
3000:5
RELAY
DIFFERENTIAL
TRANSFER BUS
TO NORTH
@C400
4000:5
1XJ9.2
RELAY
DIFFERENTIAL
TO TRANSFORMER
1XJ9.2 BREAKER)
( INTERLOCKED WITH
NON LOAD BREAK
DISCONNECT - 3000A
1ZJ9.2D
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3000:5
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TO NORTH
@C400
4000:5
BUS
TRANSFER
NORTH
BUS
TRANSFER
NORTH
T 9/10
C PHASE
T 9/10
B PHASE
T 9/10
A PHASE
PT'S
BUS
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