B.08.03 V4_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 set of engineering drawings and specifications is for upgrades to pump stations along the Columbia River in Oregon and Washington under Solicitation Number W912EF23B0002 from the Department of the Army Corps of Engineers Engineering District Walla Walla. The upgrades include replacing existing motor control centers with new MCCs, installing manual transfer switches to allow connection to portable generators as backup power sources, and upgrading existing motor soft starters to include full bypass capability. Key equipment to be provided includes new three-phase MCCs, service entrance rated manual transfer switches, and motor starters with bypass functionality for pump motors up to 125HP. The drawings provide details on the planned electrical system configurations, equipment locations, and connections between new and existing components.
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2/0(G) FROM RECEP.
6-500 KCMIL, 2-250 KCMIL (N), 5" C
UG CONDUCTORS
UTILITY (NEW)
OVHD LINE BY
5"C, UG (NEW)
6C-500 KCMIL, 2-250 KCMIL(N)
(NEW)
WITH CONDUIT RISER
WETHERHEAD AT POLE
2/0 GRD
RODS
GROUND
NEW
GRID
GROUND
EXISTING
SEC NEUTRAL
TRANSFORMER
LIGHTING
2/0 GEC
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SCALE: NTS
PUMP STATION 6B SINGLE LINE
G15
SCALE: NTS
DETAIL: NEUTRAL AND GROUND
MMM
3-POLE
800AF
600AT
480VAC, 800AMP, BUS, 42KAIC
30A
WITH BYPASS
SOFT START
WITH BYPASS
SOFT START
WITH BYPASS
SOFT START
125 HP
PUMP 1
125 HP
PUMP 2
125 HP
PUMP 3
4 POLE SWITCHED NEUTRAL
CIRCUIT BREAKER TYPE
600 A INTERLOCKED
SERVICE ENTRANCE RATED
MANUAL TRANSFER SWITCH (MTS)
400AF
350AT
MCC NEUTRAL
RECEPTACLE
480V POWER
20A
SPARE
15A30A
HTR
HEATER
WALL
15A
S
BREAKER
SIPHON
5A
S
BREAKER
SIPHON
5A
S
BREAKER
SIPHON
5A
(TYP)
3C#3/0, #3 GND, 2"C
(TYP)
#12 GND 3/4"C
2C#12, 400AF
350AT
400AF
350AT
4P
800 AF
650 AT
4P
600 AF
600 AT
METER # 251648
BENTON CO PUD
Z=XXX%
TOTAL 300 KVA
480 / 277, WYE-G
12470 Y / 7200 WYE-G
PAD MOUNTED TRANSFORMERS
MCC
SHUNT TRIP TO GENERATOR CB
INCLUDES SAFETY INTERLOCK
WITH GROUNDING PLUG
3 PH, 4 WIRE
RECEPTACLE 600A
PORTABLE GENERATOR (MTS)
BLOCK
SPLICER
MCC
MCC NEUTRAL BUS
MCC GROUND BUS
MTS
AT TRANSFER SWITCH
SERVICE ENTRANCE
G
CB
MAIN
N
N
N
M
FVR
PANEL
RAKE CONTROL
1 HP TRASH
ACTUATOR
SLIDE GATE
2 HP
M
M
15A
3P, 9 KVA
480-208/120V, TRANSFORMER
PANEL
DIST
MCC
40A
SPACE
DM
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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
| MN333719a_V4G-002XXX |
| MN333719a_V4E-601XXX |
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