HomeMy WebLinkAboutR-403832A A B
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U
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TO OVERHEAD
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12.47KV DISTRIBUTION
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[P01 ]
0
PSE UTILITY
00
TRANSFORMER
CY)
C:)[P02]
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KWH PSE METER
W
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[P03]
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2000/3
LL
G• SA 2000A EUSERC
O
METERING SECTION AND
SERVICE MAIN, 480/277V,
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Jim
C
IC
ronAi
STANDBY GENERATOR
480/277V, 150OKW
— I 1875 KVA
O
2000A ATS,
_ 480/277V, 3-POLE
[P05]
- - - - - - - - - - - - - - - - -
2000A, 480Y/277V, 3PH, 3W SWITCHBOARD
350/3 350/3 350/3 350/3 350/3 350/3 350/3 60/3 60/3 125/2
[P41 ] [P42] [P43] [P44] [P45] [P46] [P47] [P21 ] [P22] [P06]
VFD VFD VFD VFD VFD VFD VFD SSS SSS
50 KVA
® ® ® ® ® ® ® 48OV-240/120V
3 [P51 ] [P52] [P53] [P54] [P55] [P56] [P57] [P23] [P24] [P08]
[P07] [P10]
200 200 200 200 200 200 200 20 20
BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS ODOR ODOR PANEL PANEL PANELPB1
PUMP #1 PUMP #2 PUMP #3 PUMP #4 PUMP #5 PUMP #6 PUMP #7 FAN #1 FAN #2 PB2 PB3
KING COUNTY
TRAILER
HIGHER LOAD ALTERNATIVE CONTRACTOR
TRAILER
FROM SERVICE EQUIPMENT - SEE ABOVE
[P05]
— — — — — — — — — — — — — — — — — — — — — — — —
2 2000A, 480Y/277V, 3PH, 3W SWITCHBOARD
225/3 225/3 225/3 225/3 225/3 225/3 225/3 225/3 225/3 225/3 60/3 60/3 125/2
J
[P11] [P12] [P13] [P14] [P15] [P16] [P17] [P18] [P19] [P20] [P21] [P22] [P06]
VFD VFD VFD VFD VFD VFD VFD VFD VFD VFD SSS SSS
50 KVA
® ® ® ® ® ® ® ® ® ® 7OV-240/120V
[P31 ] [P32] [P33] [P34] [P35] [P36] [P37] [P38] [P39] [P40] [P23] [P24] [P08]
[P07] [P10]
125 125 125 125 125 125 125 125 125 125 20 20
� BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS BYPASS ODOR ODOR PANEL
PUMP #1 PUMP #2 PUMP #3 PUMP #4 PUMP #5 PUMP #6 PUMP #7 PUMP #8 PUMP #9 PUMP #10 FAN #1 FAN #2
MORE PUMPS ALTERNATIVE
RIUNITY
NO REVISION DESCRIPTION BY I APVD DATE
A V B V C
PERMIT ISSUE DRAWING
This document version is designed to contain
sufficient relevant information for the applicable
Permit Review submittal and approval process.
JAN UARY 2019
E A F A G
H
GENERAL NOTES:
1.
ASSUME HIGHER LOAD CONFIGURATION FOR ELECTRICAL
SERVICE, GENERATOR, AND SWITCHGEAR CAPACITY
SIZING. PUMP CONFIGURATIONS AND SIZES ARE FOR
GUIDANCE ONLY. CONTRACTOR SHALL DETERMINE THE
PUMPING CONFIGURATION WITH THE CONSTRAINTS THAT
NO PUMP EXCEEDS 200 RATED HP AND TOTAL OPERATING
LOAD DOES NOT EXCEED THE MAXIMUM LOAD INDICATED
IN THESE CALCULATIONS UNLESS APPROVED BY THE
COUNTY.
2.
ELECTRICAL LOADS FOR SPECIFIC EQUIPMENT ARE
APPROXIMATE. ENSURE ELECTRICAL DISTRIBUTION
EQUIPMENT IS ADEQUATELY SIZED FOR THE ACTUAL
LOADS AND PROTECTED PER NEC.
3.
SIMULTANEOUS PUMP START SHALL BE PREVENTED
EITHER BY STARTING EACH PUMP MANUALLY OR
ENSURING A CENTRAL CONTROLLER STAGES PUMPS ONE
AT A TIME.
4.
CONFIRM AVAILABLE SHORT CIRCUIT CURRENT AT UTILITY
TRANSFORMER SECONDARY WITH PSE AND ENSURE
EQUIPMENT HAS ADEQUATE INTERRUPTING CAPACITY.
KEY NOTES:
OENSURE
GENERATOR NEUTRAL IS ISOLATED FROM
GENERATOR FRAME AND TRAILER.
BYPASS PUMP STATION LOAD CALCULATION - HIGHER LOAD ALTERNATIVE
LOAD
QUANTITY
RATING
(HP)
FLA
NEC ADJ.
FACTOR
TOTAL
ADJUSTED
AMPS AT
480V
kV
LARGEST BYPASS PUMP
1
200
240
1.25
300
249
ADDITIONAL BYPASS PUMPS
6
200
240
1
1440
1197
ODOR CONTROL FANS
2
20
27
1
54
45
CONTRACTOR TRAILERS
2
1
94
45
TOTAL
1848
1537
BYPASS PUMP STATION LOAD CALCULATION - MORE PUMPS ALTERNATIVE
LOAD
QUANTITY
RATING
(HP)
FLA
NEC ADJ.
FACTOR
TOTAL
ADJUSTED
AMPS AT
480V
kV
LARGEST BYPASS PUMP
1
125
156
1.25
195
162
ADDITIONAL BYPASS PUMPS
9
125
156
1
1404
1167
ODOR CONTROL FANS
2
20
27
1
54
45
CONTRACTOR TRAILERS
2
1
94
45
TOTAL
1707
1419
3PH, 4W, 480/277V
SERVICE
L -
AUTOMATIC
SERVICE TRANSFER GENERATOR
EQUIPMENT SWITCH BREAKER
F -1 F -1 F
3PH, 4W, 480/277V
GENERATOR
PANEL PANEL 480V LOAD
PB2 PB3
GENERATOR AND TRANSFER SWITCH CONNECTION DIAGRAM
CONTRACTOR KING COUNTY
TRAILER TRAILER
This document is released for
the purpose of information
exchange review and planning
only under the authority of
Richard E. Hensel, P.E.
(Washington License No.
38424) on January, 2019. It is
not to be used for bidding,
permit or construction
purposes.
THIS SHEET HAS NOT BEEN REVIEWD AND HAS NOT BEEN APPROVED WITH THIS CIVIL CONSTRUCTION PERMIT PLAN SET.
DESIGNED/DRAWN:
CHECKED:
R. HENSEL
J. THOMAS
PROJECT ENGINEER:
SCALE:
B. SLIGER
NONE
DESIGN APPROVAL:
FACILITY NUMBER:
B. ISAAC
PROJECT ACCEPTANCE: CONTRACT NO:
M. DARBY C01307C18
s
KJn9 n�Y
DEPARTMENT OF NATURAL RESOURCES & PARKS
WASTEWATER TREATMENT DIVISION
EASTSIDE INTERCEPTOR SECTION 2
REHABILITATION - PHASE II
ELECTRICAL
ONE LINE DRAWING
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JAN UARY 2019
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PROJECT FILE NO:
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16-1123630
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DRAWING NO:
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