B.08.03 V3_23B0002_Plans_Amd003.pdf
PDF 2 MB Posted
- Attached to
- MNA Levee Drainage Pump Upgrade Federal contract opportunity
- Solicitation number
- W912EF23B0002
About this file
This document contains plans and diagrams for upgrades to pump stations along the Columbia River in Oregon and Washington. The upgrades include installing a manual transfer switch to allow connection of a portable generator at pump station 5D. Additional upgrades include replacing existing motor control centers with new MCCs incorporating soft starters for pumps, installing a 3-phase 4-wire bus for the MCC, and extending the utility transformer neutral through the new transfer switch. The solicitation number for the opportunity is W912EF23B0002 and is being issued by the Department of the Army Corps of Engineers Walla Walla District for upgrades to levee drainage pump stations along the McNary Lock and Dam. The plans provide details on the proposed electrical infrastructure upgrades and diagrams for the single-line power and grounding at pump station 5D.
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4 1/2"C, UG (EXISTING)
6-500 KCMIL, 2- 250 KCMIL (N)
5" CONDUIT (NEW)
1-2/0 (G) FROM RECETACLE
6-500 KCMIL, 2-250 KCMIL (N)
2/0 GRD
RODS
GROUND
NEW
GRID
GROUND
EXISTING
SEC NEUTRAL
TRANSFORMER
LIGHTING
2/0 GEC
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SCALE: NTS
PUMP 5D STATION POWER SINGLE LINE
DETAIL: NEUTRAL AND GROUND
SCALE: NTS
G14
MMM
3-POLE
800AF
600AT
480VAC, 800AMP BUS, 42KAIC
30A 15A 15A
3P, 9 KVA
480-208/120V, TRANSFORMER
PANEL
DIST
MCC
WITH BYPASS
SOFT START
WITH BYPASS
SOFT START
WITH BYPASS
SOFT START
125 HP
PUMP 1
125 HP
PUMP 2
125 HP
PUMP 3
RAKE PANEL
1 HP TRASH
ACTUATOR
2 HP SLIDE GATE
4 POLE SWITCHED NEUTRAL
CIRCUIT BREAKER TYPE
800 A INTERLOCKED
SERVICE ENTRANCE RATED
MANUAL TRANSFER SWITCH (MTS)
METER # 251690
BENTON CO PUD
WITH ISOLATION LINK #3001861A03M
25 A COOPER BAY-O-NET FUSE #4000353C10
400AF
350AT
MCC GROUND
RECEPTACLE
480V POWER
20A
SPARE
30A
HTR
HEATER
WALL
15A
S
BREAKER
SIPHON
5A
S
BREAKER
SIPHON
5A
S
BREAKER
SIPHON
5A
3C#3/0, #3 GRD, 2"C
#12 GRD 3/4"C
2C#12, 400AF
350AT
400AF
350AT
4P
800 AF
650 AT
4P
800 AF
600AT
BLOCK
SPLICER
M
LITTLEFUSE FLSR 600
DISCONNECT
EXISTING FUSED
TRANSFORMER #22028
Z=2.4%
480 / 277, 300 KVA
12470 Y / 7200
SHUNT TRIP TO GENERATOR CB
INCLUDES SAFETY INTERLOCK
WITH GROUNDING PLUG
3 PH, 4 WIRE
RECEPTACLE 600A
PORTABLE GENERATOR (MTS)
MCC
MCC
MCC NEUTRAL BUS
MCC GROUND BUS
MTS
AT TRANSFER SWITCH
SERVICE ENTRANCE
G
CB
MAIN
N
N
N
SPACE
M
40A
DM
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US Army Corps
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TO THE NEUTRAL OF THE MCC.
BE EXTENDED THROUGH THE NEW TRANSFER SWITCH AND CONNECTED
NEUTRAL FROM THE SECONDARY OF THE UTILITY TRANSFORMER SHALL
THE MCC DESIGN SHALL BE A 3 PHASE, 4 WIRE BUS. THE EXISTING
MCC NEUTRAL: 3.
1008 AS SUITABLE FOR SERVICE ENTRANCE USE.
THE TRANSFER SWITCH SHALL BE SERVICE ENTRANCE RATED PER UL
SWITCH INTERNAL CIRCUIT BREAKER FOR THE EMERGENCY SOURCE.
THE PLUG AND RECEPTACLE SHALL BE PROTECTED BY THE TRANSFER
THE OPERATOR TO INITIATE THE TRANSFER.
OPERATED DESIGN. FRONT DOOR MOUNTED CONTROLS SHALL ALLOW
THE TRANSFER SWITCH SHALL BE A MANUALLY INITIATED ELECTRICALLY
BE OF A CIRCUIT BREAKER BASED DESIGN.
GENERATOR CONNECTION TO THE PUMP STATION. THE SWITCH SHALL
A MANUAL TRANSFER SWITCH SHALL BE PROVIDED FOR STANDBY
TRANSFER SWITCH:2.
PROVIDED.
MOTOR SOFT STARTS WITH FULL BYPASS STARTERS SHALL BE
MOTOR CONTROL CENTER:1.
GENERAL SHEET NOTES
G14
| MN333719a_V3G-002XXX |
| MN333719a_V3E-601XXX |
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