26RA003_Plans_V2.pdf
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- Solicitation number
- W912EF26RA003
About this file
This is a solicitation document for the Lower Snake River Spare Transformers project at Little Goose Lock and Dam, issued by the U.S. Army Corps of Engineers Walla Walla District. The project involves procuring a 500 kV spare Generator Step-Up (GSU) transformer for the hydroelectric facility, with detailed technical specifications for a single-phase transformer rated at 82,000/109,334 KVA with ONAN/ONAF cooling. The transformer will have specific requirements including a 65°C temperature rise, nitrogen blanket oil preservation system, horizontal draft cooling fans, and comprehensive testing protocols including sweep frequency response analysis, leakage reactance testing, and factory acceptance tests.
The solicitation includes extensive technical documentation across multiple volumes, with detailed drawings and schematics covering transformer layout, control and power cabinet configurations, current transformer and thermowells placement, and electrical connection schematics. The project is located in Washington state at the Little Goose Lock and Dam facility, with a solicitation number of W912EF26RA003 and an issue date of October 2025. The technical specifications are extremely precise, covering everything from bushing characteristics and grounding requirements to cabinet design, wiring specifications, and future-proofing provisions for electronic monitoring systems.
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LOWER SNAKE RIVER SPARE TRANSFORMERS
LITTLE GOOSE LOCK AND DAM
W912EF26RA003
OCTOBER 2025
WALLA WALLA DISTRICT
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NAVIGATION LOCK
N. 5000
POWERHOUSE
NAV LOCK BRIDGE
N. 6000
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SUBMITTED BY:
SUBMITTED BY:
APPROVED BY: APPROVED BY:
HYDROELECTRIC DESIGN CENTER
DIRECTOR OF
JORDAN S. FINK, P.E.
WALLA WALLA DISTRICT
CHIEF OF DESIGN BRANCH
MARCUS PALMER, P.E.
WALLA WALLA DISTRICT
CHIEF OF ENGINEERING & CONST DIV.
DWAYNE WESTON, P.E.
DESIGNATIONS OF INDIVIDUALS APPEAR ON THESE PROJECT DOCUMENTS WITHIN THE SCOPE OF THEIR EMPLOYMENT AS REQUIRED BY ER 1110-1-8152.
THIS PROJECT WAS DESIGNED BY THE HYDROELECTRIC DESIGN CENTER OF THE U.S. ARMY CORPS OF ENGINEERS. THE INITIALS OR SIGNATURES AND REGISTRATION
WALLA WALLA DISTRICT
CHIEF OF ELECTRICAL DESIGN SECTION
LEVI VAN STEDUM, P.E.
SUBMITTED BY:
HYDROELECTRIC DESIGN CENTER
CHIEF OF ELECTRICAL BRANCH
JOHN Z. YEN, P.E.
NORTH
PLAN
SOLICITATION NO.:
CONTRACT NO.:
ISSUE DATE:
of Engineers
US Army Corps
2VOLUME NO.:
VOLUME 1 - SPARE TRANSFORMERS T1
VOLUME 2 - SPARE TRANSFORMERS T2
DAM ENTRANCE ROAD
STORAGE YARD
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NOT PART OF THIS CONTRACT
FUTURE STORAGE BUILDINGS
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SHEET ID
NAMEPLATE DATA:
TANK AND CONSTRUCTION:
ACCESSORIES:
BUSHINGS:
INSULATING OIL:
SEPARATE CONTROL AND POWER CABINETS:
SPARE PARTS:
FACTORY ASSEMBLY AND PAINT:
FACTORY ACCEPTANCE TESTS (F.A.T.):
REQUIREMENTS SUMMARY SHEET
LITTLE GOOSE 500 KV SPARE GSU TRANSFORMER
(REFERENCE SPECIFICATION SECTION 48 19 23.04 26)
∙ TYPE: NAPTHENIC BASE - ASTM D 3487 TYPE II; 0.3% BY MASS OF OXIDATION INHIBITOR
(4) COMPLETELY ASSEMBLED AND WITNESSING OF FACTORY ACCEPTANCE TESTS
TRANSFORMER)
(3) COMPLETED CORE/COIL ASSEMBLY, BUT PRIOR TO TANKING (IF PROVIDING A CORE TYPE
(2) AFTER COMPLETION OF WINDINGS BUT PRIOR TO LANDING ON CORE
(1) DESIGN REVIEW MEETING
∙ INSPECTIONS: GOVERNMENT INSPECTIONS PERFORMED DURING
FOR ONE WEEK PRIOR TO OIL FILLING.
∙ INTERIOR PAINT: PRIMER COAT, OIL-RESISTANT FINISH COAT - WHITE. ALLOW TO CURE
STEEL CABINETS, SHALL REMAIN UNPAINTED. COVER TO RECEIVE A NON-SLIP COATING.
5BG 7/0.4 HIGH-GLOSS (ANSI NO. 70 GRAY). CORROSION RESISTANT SURFACES, AND STAINLESS
∙ EXTERIOR PAINT: PRIMER COAT, EPOXY BASE COAT, POLYURETHANE TOP COAT - MUNSELL
MATCH-MARKED FOR EASE OF REASSEMBLY.
∙ ASSEMBLY: TRANSFORMER TO BE FULLY ASSEMBLED, WITH REMOVABLE COMPONENTS
10,667 GALLONS∙ MAXIMUM OIL QUANTITY:
352,000 POUNDS∙ MAXIMUM WEIGHT:
∙ FREQUENCY: 60 HZ
∙ MAXIMUM LOAD LOSSES: 175 KW
∙ MAXIMUM NO-LOAD LOSSES: 52 KW
∙ MAXIMUM SOUND LEVEL (ONAF): 74 DB
∙ OIL PRESERVATION SYSTEM: NITROGEN BLANKET (PREFERRED) OR CONSERVATOR TANK
∙ TEMPERATURE RISE: 65 ºC
∙ SECONDARY WINDING (H) DETC: 5 TAPS; 3 @ +2.5%, 1 @ -2.5% OF NOMINAL 500 KV TAP
∙ IMPEDANCE: 9.2% @ 41,000 KVA (H-X & H-Y), 20.9% @ 41,000 KVA (X-Y)
∙ PHASING: SINGLE-PHASE
∙ BIL LEVELS, KV: 1,425 (H) / 110 (X & Y) / 150 (H0)
∙ VOLTAGE RATINGS: 500,000 GRDY (H) - 13,200 DELTA (X) 13,200 DELTA (Y)
∙ KVA RATING: 82,000 / 109,334
∙ COOLING CLASS: ONAN/ONAF
∙ TYPE: CLASS II GSU POWER TRANSFORMER
∙ ANALOG TEMPERATURE GAGE FUNCTIONAL VERIFICATION
∙ BUSHING CURRENT TRANSFORMER ROUTINE TESTS
AND POWER FACTOR TESTS DURING TRANSFORMER F.A.T.
∙ EACH HIGH-VOLTAGE AND HIGH-VOLTAGE NEUTRAL BUSHING SHALL UNDERGO CAPACITANCE
∙ ALL ELECTRICAL AND ELECTO-MECHANICAL DEVICES SHALL BE FUNCTIONALLY TESTED
∙ DE-ENERGIZED TAP CHANGER MECHANICAL OPERATIONAL TEST (5 COMPLETE CYCLES)
SHIPPING CONFIGURATION
- ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER IN THE
OIL FILLED
- ONE SFRA TEST TO BE PERFORMED WITH THE TRANSFORMER FULLY ASSEMBLED AND
- CABLE INTEGRITY TEST REQUIRED
∙ SWEEP FREQUENCY RESPONSE ANALYSIS (WITH ELECTRONIC DATA FILES)
∙ LEAKAGE REACTANCE (WITH ELECTRONIC DATA FILES)
ONE HOUR LEVEL: 300 PC
∙ INDUCED VOLTAGE TEST ACCEPTANCE CRITERIA: 7,200 CYCLE ENHANCEMENT LEVEL: 500 PC;
∙ AUDIBLE SOUND LEVEL TESTS SHALL BE PERFORMED
∙ LIGHTNING IMPULSE TESTS
∙ TEMPERATURE RISE TESTS SHALL BE PERFORMED AT EACH COOLING STAGE
∙ ALL 'ROUTINE' TESTS (IEEE C57.12.00, TABLE 17)
∙ COOLING FANS: HORTIZONTAL-DRAFT
∙ RADIATORS: HOT-DIP GALVANIZED.
STEEL. MAXIMUM DESIGN FLUX DENSITY OF 1.75 TESLA. STEP-LAP CONSTRUCTION.
∙ CORE: LAMINATIONS MAXIMUM THICKNESS OF 0.270MM, COLD-ROLLED, GRAIN-ORIENTED
∙ SEISMIC: SEISMIC CALCULATIONS REQUIRED FOR MAIN TANK AND ALL MAJOR COMPONENTS.
∙ LIFTING EYES: DESIGN LOADS FOR EACH EYE SHALL BE TWO TIMES THE ACTUAL LOAD.
∙ BASE: DESIGNED FOR PAD MOUNTING WITH SEISMIC WELDING TO STEEL PLATES.
CONSISTING OF A SINGLE ANCHOR POST, SHALL BE PROVIDED.
WITH A NON-SLIP MATERIAL, THE SAME COLOR AS THE TANK WALLS. A FALL PROTECTION SYSTEM, ∙ PERSONAL FALL ARREST SYSTEM: THE TOP OF THE TRANSFORMER TANK SHALL BE COVERED
∙ VALVES: STAINLESS STEEL BALL-TYPE (RADIATORS MAY USE BUTTERFLY-TYPE)
BE USED FOR GASKET GROOVES OF RECTANGULAR CROSS-SECTION.
THAT THE LOW-VOLTAGE BUSHING GASKETS WILL BE VITON. O-RING GASKETS SHALL NOT
∙ GASKETS: NITRILE NBR (BUNA-N), DURO 50-60, 25% COMPRESSION, WITH THE EXCEPTION
∙ MAN-HOLE: 24-INCH DIAMETER (MINIMUM TWO)
∙ (QTY 1): SET OF GASKETS FOR TRANSFORMER REASSEMBLY
∙ (QTY 1): COMPLETE GASKET SET
IF PROVIDING A CONSERVATOR TANK SYSTEMBUCHHOLZ RELAY ∙ (QTY 1): ONE
∙ (QTY 1): VALVE OF EACH SIZE AND TYPE
∙ (QTY 1): PRESSURE REGULATOR IF PROVIDING A NITROGEN GAS SYSTEM
∙ (QTY 1): FUSE OF EACH TYPE AND RATING
PLATE LEFT UNCONNECTED
∙ (QTY 3): FIBER OPTIC EXTENSION CABLE THAT CONNECTS THE FEED-THROUGH WALL
∙ (QTY 1): CRATED RADIATOR
∙ (QTY 2): COOLING FAN COMPLETE WITH MOTOR
∙ (QTY 1): BUSHING CURRENT TRANSFORMER OF EACH TYPE AND RATING
∙ (QTY 1): OIL TEMPERATURE INDICATOR
∙ (QTY 1): WINDING TEMPERATURE INDICATOR
∙ (QTY 1): LIQUID LEVEL INDICATOR
∙ (QTY 1): PRESSURE RELIEF DEVICE
∙ (QTY 1): RELAY AND CONTACTOR OF EACH TYPE AND RATINGOR STAINLESS STEEL WITH ENGRAVED BLACK LETTERING.
NAMEPLATES WITHIN THE CONTROL AND POWER CABINETS SHALL BE ANODIZED ALUMINUM
LOW-VOLTAGE BUSHINGS MADE OF STAINLESS STEEL WITH BLACK LETTERING. DEVICE
PROVIDED. EQUIPMENT NAMEPLATES SHALL BE PROVIDED FOR THE HIGH-VOLTAGE BUSHINGS AND
AN ADDITIONAL DIAGRAM NAMEPLATE FOR SLING LOCATIONS AND LIFT POSITIONS SHALL ALSO BE
AND VACUUM THE TANK WILL WITHSTAN, DRY WEIGHT OF THE INSULATION, AND CALCULATED X/R RATIO.
MANUFACTURING DATE, PLANT LOCATION, GOVERNMENT CONTRACT NUMBER, PRESSURE
∙ NAMEPLATES: CAST BRONZE OR STAINLESS STEEL; IEEE C57.12.00, TABLE 7, INCLUDING
- FOLD-DOWN MAINTENANCE TRAY ON INSIDE OF CONTROL CABINET DOOR.
GRADE HUMIDISTAT / THERMOSTAT CONTROL.
- PTC RESISTOR DESIGN ENCLOSURE HEATERS WITH INTEGRAL FANS, AND INDUSTRIAL
CABINET.
- 120 V AC, 20 A HOSPITAL GRADE GFCI RECEPTACLE MOUNTED INSIDE THE CONTROL
- 120 V AC, 1,000 LUMEN LED TYPE A19 LAMPS WITH DOOR-ACTUATED SWITCH.
IN POWER CABINET.
- ALL CIRCUITS, WIRING AND EQUIPMENT RATED GREATER THAN 120 V AC TO BE MOUNTED
∙ SPECIAL FEATURES:
- 125 AND 250 V DC CIRCUITS - RATED 125/250 OR 250 V DC, AND 10,000 A INTERRUPTING
- 120 V AC CIRCUITS - RATED 250 V DC AND 120/240 OR 240 V AC, AND 10,000 A INTERRUPTING
- 480 V AC CIRCUITS - RATED 600 V AC AND 35,000 A INTERRUPTING AT 480 VAC
∙ MOLDED-CASE CIRCUIT BREAKERS:
120 V AC CIRCUITS - 10 A
- SINGLE-BREAK INDUCTIVE LOAD INTERRUPTING RATING: 125 V DC CIRCUITS - 1.5 A;
- RATED FOR 600 V AC OR 250 V DC
∙ SWITCHES:
120 V AC CIRCUITS - 6.0 A
- SINGLE-CONTACT INDUCTIVE LOAD INTERRUPTING CAPACITY: 125 V DC CIRCUITS - 1.0 A;
- RATED FOR 125 V DC OR 120 V AC; MEETS REQUIREMENTS OF NEMA ICS5; 10 A CONTACTS
∙ AUXILIARY RELAYS:
∙ TERMINAL BLOCKS: 600 V, 30 A MINIMUM, 90 ºC RATED TERMINATIONS.
WITH CAST COVERS AND LIQUID-TIGHT HUBS.
JOINT COMPOUND APPLIED. OUTLET AND JUNCTION BOXES SHALL BE MALLEABLE CAST IRON
CHANNELS NOT ALLOWED. ALL CONDUIT THREADED JOINTS SHALL HAVE A CONDUCTIVE
∙ CONDUIT: ALL WIRING TO BE RUN IN CONDUIT. WIRE RUNS THROUGH TANK REINFORCING
GROUND - GREEN/YELLOW
PHASE B - ORANGE; PHASE C - YELLOW; GROUNDED NEUTRAL - WHITE; INSULATED
∙ WIRING: XLPE; 3-PHASE POWER CONDUCTORS COLOR CODED: PHASE A - BROWN;
POWER - 125 V DC; COOLING FANS - 480 V AC, 3-WIRE, 3-PHASE, 60 HZ
∙ GOVERNMENT-FURNISHED POWER: CONTROL POWER - 125 V DC; ANNUNCIATION
IN CONTROL CABINET. SOLAR SHIELDING ON TOP, FRONT AND SIDE PANELS OF ENCLOSURES.
PROVISIONS. WINDOWS FOR VIEWING THE TEMPERATURE MONITOR AND ANNUNCIATOR
∙ CABINET MATERIAL: WEATHER-PROOF TYPE 304 STAINLESS STEEL WITH LOCKING
∙ TRANSFORMER EMBEDDED FIBER-OPTIC WINDING TEMPERATURE MEASUREMENT PROBES
∙ DIRECTED-FLOW PRESSURE RELIEF DEVICE WITH METAL DISCHARGE PIPING
∙ WTI AND OTI GAUGES WITH RTDS - HARDENED FOR HARSH WEATHER CONDITIONS
∙ CORE GROUNDS: 2.5 KV CLASS, 45 KV BIL, 100 AMP
HITACHI TYPE O+ C T025W0412AT
∙ NEUTRAL (H0): 25 KV CLASS, MINIMUM 150 KV BIL, 1,200 AMP
INDICATING EQUIPMENT)
(BUSHING CURRENT TRANSFORMERS AS REQUIRED FOR THE WINDING TEMPERATURE
HITACH TYPE RJ T025B0750EC
BULK-TYPE, LOW-CORONA, LIGHT CONTAMINATION, 125 ºC TEMPERATURE RISE RATING
∙ PRIMARY WINDING (X): 25 KV CLASS, MINIMUM 150 KV BIL, 7,500 AMP, PORCELAIN CONSTRUCTION, (TWO 1200:5 MRCT)
HITACHI TYPE O+ C T550W2000VV
∙ SECONDARY WINDING (H): 500 KV CLASS, MINIMUM 1,500 KV BIL, 1,600 AMP, OIL-FILLED BUSHING
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US Army Corps
U .S
A
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O R
P S
O F
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IN
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SHEET ID
H1
STORAGE YARD MAP VIEW
SCALE: NTS
H6
STORAGE YARD
SCALE: NTS
H14
SPARE TRANSFORMER FOUNDATION PAD VIEW 1
SCALE: NTS
A1
SPARE TRANSFORMER FOUNDATION PAD VIEW 2
SCALE: NTS
A8
POWER
SPARE TRANSFORMER FOUNDATION PAD
SCALE: NTS
A13
TRANSFORMER INTAKE DECK
SCALE: NTS
ALL PHOTOS SHOW EQUIPMENT AND STORAGE YARD AT LITTLE GOOSE DAM. 1.
GENERAL NOTES
O C
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D1
BRIDGE MAP VIEW
LITTLE GOOSE INTAKE
SCALE: NTS D11
AT LITTLE GOOSE
MOVEMENT ACROSS INTAKE BRIDGE
PREVIOUS SPARE TRANSFORMER
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2'-5" OD
2'-3 1/4 " BOLT CIRCLE
2'-0" ID
° ON A 27-1/4" DIAMETER BOLT CIRCLE
12 TOTAL EQUALLY SPACED
3/8-16 TAPPED HOLES
(#4 AWG)
GROUNDING CABLE
BUSHING
CORE GROUND
PROTECTIVE COVER
GROUND BUSHING
CORE FRAME
CORE FRAME
(#4 AWG)
GROUNDING CABLE
O C
T O
B E
R
SEE DETAIL A11
20'-1" MAXIMUM OVERALL LENGTH
/2
/2
/2
3'-10"
E M
B E
D D
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C O
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U
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C
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3'-4" 3'-4"
9'-7 1/4 " LIFTING AND JACKING CENTERS
CUSTOMER WALL
EXISTING 2
/4
L
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DETAIL A11)
FLANGE (SEE
LV HOUSING
Y
Y
X
X
H
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
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SEGMENT 2 SEGMENT 4
BUSHING SIDE)
(LOW-VOLTAGE
SEGMENT 1
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
SEGMENT
1 HIGH-VOLTAGE (H1) BUSHING1
QTYITEM DESCRIPTION
1.5-INCH UPPER FILTER VALVE
3-INCH VACUUM VALVE
RADIATOR (TYPICAL)
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE BUSHINGS
COVER
COVER
COVER
OIL LEVEL INDICATOR
AS DES.
CONTROL CABINET
COVER
3-INCH MAIN OIL DRAIN VALVE
1.5-INCH LOWER FILTER VALVE
COVER
EXAMPLE MODEL NUMBER
33 4, COVER
ABB-HITACHI
ABB-HITACHI
ABB-HITACHI
QUALITROL XPRDPRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
QUALITROL SERIES 042
35 COVER MANHOLE ACCESS COVER
45 AS DES. COVER FALL ARREST SYSTEM MOUNTING BRACKETS DBI-SALA 8517412
CORE & CORE FRAME GROUND BUSHINGS (SEE DETAIL F15)
AS DES.
BILL OF MATERIALS
TYPE RJ BUSHING T025B0750EC
1,4
15 1 1 DUAL TANK NITROGEN REGULATOR CABINET ABB RND2
2 2-INCH GAS-IN-OIL MONITOR INTERFACE VALVES
5 THERMOWELLS (QTY. 3 - STANDARD, QTY. 2 - HEATED)
TYPE O+ C BUSHING T550W2000VV
CORE
TANK COVER
TANK COVER
CL
F15
CORE AND CORE FRAME GROUNDING
SCALE: NTS
10 2,4 HORIZONTAL DRAFT COOLING FANS KRENZ-VENTAS DES.
1 POWER CABINET17 3
SEE RESOURCE DRAWINGS FOR PAD DETAILS5.
352,000 POUNDS4. MAXIMUM WEIGHT:
ARE NOT INTENDED TO INDICATE THE ACTUAL QUANTITY.
3. THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS, AND
BREATHER, AND BUCHHOLZ RELAY.
SYSTEM MUST BE INCLUDED, SUCH AS A MAINTENACE-FREE DEHYDRATING
REQUIRED IN SECTION 48 19 23.04 26 FOR A CONSTANT OIL PRESERVATION
OIL PRESERVATION SYSTEM IS PROVIDED, ALL ASSOCIATED EQUIPMENT
THE POWERHOUSE EQUIPMENT NEEDED TO FIT THE COPS TANK. IF CONSTANT
CONDUCTORS PER IEEE STD 1427. THERE SHALL BE NO MODIFICATIONS TO
MUST MAINTAIN A MINIMUM OF 105" CLEARANCE FROM THE OVERHEAD 500KV
THE DIMENSIONAL REQUIREMENTS IDENTIFIED MUST BE MET. THE COPS TANK
TRANSFORMER AND/OR A CONSTANT OIL PRESERVATION SYSTEM IS PROVIDED,
DRAWINGS WITH AN INERT-GAS OIL PRESERVATION SYSTEM. IF A CORE-FORM
THE DRAWING SHOWN IS BASED ON THE WESTINGHOUSE SHELL-FORM2.
J. MAXIMUM OVERALL LENGTH
I. MAXIMUM OVERALL WIDTH
H. STRUCTURAL BASE
G. JACKING & LIFTING FACILITIES
F. ANCILLARY DEVICES
E. CONTROL AND POWER CABINETS
D. LOW-VOLTAGE BUSHING HOUSING FLANGE DIMENSION AND LOCATION
C. HIGH-VOLTAGE NEUTRAL BUSHING LOCATION AND TERMINAL CONNECTION
B. LOW-VOLTAGE BUSHINGS LOCATIONS AND TERMINAL CONNECTIONS
A. HIGH-VOLTAGE BUSHING LOCATION AND TERMINAL CONNECTION
INTERCONNECTION:
TRANSFORMER EQUIPMENT ARE CONSIDERED CRITICAL TO ASSURE PROPER
IN THE TRANSFORMER VAULT. THE LOCATIONS OF THE FOLLOWING
PROPER INTERCONNECTION TO THE EXISTING EQUIPMENT AND INTERFACES
FOR THE MANUFACTURER'S USE IN DESIGNING THE TRANSFORMER FOR
1. THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN PROVIDED
GENERAL NOTES
A16
SEGMENT IDENTIFICATION (TOP VIEW)
TRANSFORMER TANK
SCALE: NTS
A11
HOUSING FLANGE DETAILS
LOW-VOLTAGE BUSHING
SCALE: NTS
72 2 1 STABALIZING EYES
73 3 1, 3 COMBINATION JACKING PAD, PULLING EYE AND LIFTING EYES
74 1 3 COMBINATION UPRIGHTING AND LIFTING EYES FOR UPRIGHTING AND LIFTING COMPLETE UNIT
21 31 RAPID PRESSURE RISE RELAY AND 1.5-INCH ISOLATION VALVE QUALITROL & MILWAUKEE VALVE 900-003-01 & F20SS, CLASS 150
A2
TRANSFORMER PLAN VIEW - COVER
1/2"=1'-0"SCALE:
CL CL
CL
CL
77 1 3 EXTERNAL GAS EXPANSION TANK
TYPE O+ C BUSHING T025W0412AT
AS DES.
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76 43
T
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H V
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IN
G
20'-1" MAXIMUM WIDTH
T O
T O
P O
F L
V B
U S
H
IN
G
/2
O C
T O
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T
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IN
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11'-0"
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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SEGMENT 2 SEGMENT 4
BUSHING SIDE)
(LOW-VOLTAGE
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(HIGH-VOLTAGE
SEGMENT 3
SEGMENT
1 HIGH-VOLTAGE (H1) BUSHING1
QTYITEM DESCRIPTION
3-INCH VACUUM VALVE
RADIATORS (TYPICAL)
RADIATOR ISOLATION VALVES (TYPICAL)
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE BUSHINGS
COVER
COVER
COVER
AS DES.
AS DES.
COVER & 4
EXAMPLE MODEL NUMBER
ABB-HITACHI
ABB-HITACHI
ABB-HITACHI
MILWAUKEE VALVE F20SS, CLASS 150
BILL OF MATERIALS
TYPE RJ BUSHING T025B0750EC
1,4
1,4
15 1 1 DUAL TANK NITROGEN REGULATOR CABINET ABB RND2
TYPE O+ C BUSHING T550W2000VV
HORIZONTAL DRAFT COOLING FAN (TYPICAL)AS DES.10 2,4 KRENZ-VENT
22 2 1 MOUNTING BRACKETS FOR FUTURE ON-LINE DGA
27 1 1 1.5-INCH UPPER FILTER VALVE MILWAUKEE VALVE F20SS, CLASS 150
30 2 1 2-INCH GAS-IN-OIL MONITOR INTERFACE VALVES MILWAUKEE VALVE F20SS, CLASS 150
49 4 1, 3 GROUNDING PADS (TYPICAL)
TYPE O+ C BUSHING T025W0412AT
A17
IDENTIFICATION (TOP VIEW)
TRANSFORMER TANK SEGMENT
SCALE: NTS
5. SEE RESOURCE DRAWINGS FOR PAD DETAILS.
352,000 POUNDS4. MAXIMUM WEIGHT:
ARE NOT INTENDED TO INDICATE THE ACTUAL QUANTITY.
3. THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS, AND
BREATHER, AND BUCHHOLZ RELAY.
SYSTEM MUST BE INCLUDED, SUCH AS A MAINTENACE-FREE DEHYDRATING
REQUIRED IN SECTION 48 19 23.04 26 FOR A CONSTANT OIL PRESERVATION
OIL PRESERVATION SYSTEM IS PROVIDED, ALL ASSOCIATED EQUIPMENT
THE POWERHOUSE EQUIPMENT NEEDED TO FIT THE COPS TANK. IF CONSTANT
CONDUCTORS PER IEEE STD 1427. THERE SHALL BE NO MODIFICATIONS TO
MUST MAINTAIN A MINIMUM OF 105" CLEARANCE FROM THE OVERHEAD 500KV
THE DIMENSIONAL REQUIREMENTS IDENTIFIED MUST BE MET. THE COPS TANK
TRANSFORMER AND/OR A CONSTANT OIL PRESERVATION SYSTEM IS PROVIDED,
DRAWINGS WITH AN INERT-GAS OIL PRESERVATION SYSTEM. IF A CORE-FORM
THE DRAWING SHOWN IS BASED ON THE WESTINGHOUSE SHELL-FORM2.
I. MAXIMUM OVERALL WIDTH
H. STRUCTURAL BASE
G. JACKING & LIFTING FACILITIES
F. ANCILLARY DEVICES
E. CONTROL AND POWER CABINETS
D. LOW VOLTAGE BUSHING HOUSING FLANGE DIMENSIONS AND LOCATION
C. LOW-VOLTAGE BUSHINGS LOCATIONS AND TERMINAL CONNECTIONS
B. HIGH-VOLTAGE NEUTRAL BUSHING LOCATION AND TERMINAL CONNECTION
A. HIGH-VOLTAGE BUSHING LOCATION AND TERMINAL CONNECTION
INTERCONNECTION:
TRANSFORMER EQUIPMENT ARE CONSIDERED CRITICAL TO ASSURE PROPER
THE TRANSFORMER VAULT. THE LOCATIONS OF THE FOLLOWING
PROPER INTERCONNECTION TO THE EXISTING EQUIPMENT AND INTERFACES IN
FOR THE MANUFACTURER'S USE IN DESIGNING THE TRANSFORMER FOR
1. THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN PROVIDED
GENERAL NOTES
33 1 COVER PRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
1, 3 COMBINATION JACKING PAD, PULLING EYE AND LIFTING EYES473
1 COMBINATION ROCKER AND JACKING PADS276
TRANSFORMER ELEVATION VIEW - SEGMENT 1
1/2"=1'-0"SCALE:
43 AS DES. BASE STRUCTURAL BASE
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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US Army Corps
U .S
A
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E E
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SHEET ID
SEGMENT 2 SEGMENT 4
BUSHING SIDE)
(LOW-VOLTAGE
SEGMENT 1
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
SEGMENT
1 HIGH-VOLTAGE (H1) BUSHING1
QTYITEM DESCRIPTION
RADIATORS (TYPICAL)
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE BUSHINGS
COVER
COVER
COVER
AS DES
POWER CABINET
EXAMPLE MODEL NUMBER
17 3
ABB-HITACHI
ABB-HITACHI
ABB-HITACHI
MILWAUKEE VALVE F20SS, CLASS 150
43 AS DES BASE STRUCTURAL BASE
BILL OF MATERIALS
TYPE RJ BUSHING T025B0750EC
2,4
15 1 1 DUAL TANK NITROGEN REGULATOR CABINET ABB RND2
2 2-INCH DISSOLVED GAS-IN-OIL MONITOR INTERFACE VALVES
TYPE O+ C BUSHING T550W2000VV
A2
SEGMENT 2TRANSFORMER ELEVATION -
1/2"=1'-0"SCALE:
10 COVER HORIZONTAL DRAFT COOLING FANS (TYPICAL) KRENZ-VENTAS DES
16 1 3 CONTROL CABINET
20 5 3 THERMOWELLS (QTY 3 - STANDARD, QTY 2 - HEATED)
21 1 3 RAPID PRESSURE RISE RELAY QUALITROL 900-003-01
CL
TYPE O+ C BUSHING T025W0412AT
72 2 1 STABALIZING EYES
C L
27 1 1 1.5-INCH UPPER FILTER VALVE MILWAUKEE VALVE F20SS, CLASS 150
5. SEE RESOURCE DRAWINGS FOR PAD DETAILS
MAXIMUM WEIGHT: 352,000 POUNDS4.
ARE NOT INTENDED TO INDICATE THE ACTUAL QUANTITY.
3. THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS, AND
BREATHER, AND BUCHHOLZ RELAY.
SYSTEM MUST BE INCLUDED, SUCH AS A MAINTENACE-FREE DEHYDRATING
REQUIRED IN SECTION 48 19 23.04 26 FOR A CONSTANT OIL PRESERVATION
OIL PRESERVATION SYSTEM IS PROVIDED, ALL ASSOCIATED EQUIPMENT
THE POWERHOUSE EQUIPMENT NEEDED TO FIT THE COPS TANK. IF CONSTANT
CONDUCTORS PER IEEE STD 1427. THERE SHALL BE NO MODIFICATIONS TO
MUST MAINTAIN A MINIMUM OF 105" CLEARANCE FROM THE OVERHEAD 500KV
THE DIMENSIONAL REQUIREMENTS IDENTIFIED MUST BE MET. THE COPS TANK
TRANSFORMER AND/OR A CONSTANT OIL PRESERVATION SYSTEM IS PROVIDED,
DRAWINGS WITH AN INERT-GAS OIL PRESERVATION SYSTEM. IF A CORE-FORM
THE DRAWING SHOWN IS BASED ON THE WESTINGHOUSE SHELL-FORM2.
CONTROL AND POWER CABINET
I. LOCATION OF EXISTING EMBEDDED CONDUIT COMPARED TO THE
H. MAXIMUM OVERALL LENGTH
H. STRUCTURAL BASE
G. JACKING & LIFTING FACILITIES
F. ANCILLARY DEVICES
E. CONTROL AND POWER CABINETS
D. LOW-VOLTAGE BUSHING HOUSINGS FLANGE LOCATION AND DIMENSIONS
CONNECTION
C. HIGH-VOLTAGE NEUTRAL BUSHING LOCATION AND TERMINAL
B. LOW-VOLTAGE BUSHING LOCATIONS AND TERMINAL CONNECTIONS
A. HIGH-VOLTAGE BUSHING LOCATION AND TERMINAL CONNECTION
INTERCONNECTION:
TRANSFORMER EQUIPMENT ARE CONSIDERED CRITICAL TO ASSURE PROPER
. THE LOCATIONS OF THE FOLLOWING THE TRANSFORMER VAULT
INTERFACES IN PROPER INTERCONNECTION TO THE EXISTING EQUIPMENT AND
FOR THE MANUFACTURER'S USE IN DESIGNING THE TRANSFORMERS FOR
1. THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN PROVIDED
GENERAL NOTES
A13
IDENTIFICATION (TOP VIEW)
FIGURE 1 - TRANSFORMER TANK SEGMENT
SCALE: NTS
COMBINATION JACKING PAD, PULLING EYE, AND LIFTING EYES473
COMBINATION UPRIGHTING AND LIFTING EYES FOR UPRIGHTING AND LIFTING COMPLETE UNIT274
HORIZONTAL LIFTING EYES FOR LIFTING COMPLETE UNIT WHEN IN HORIZONTAL POSITION275
COMBINATION ROCKER AND JACKING PADS FOR UPRIGHTING AND JACKING THE COMPLETE UNIT276
EXTERNAL GAS EXPANSION TANK177
1, 3
F20SS, CLASS 150MILWAUKEE VALVE3-INCH DRAIN VALVE1 325
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U .S
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SEGMENT 2 SEGMENT 4
BUSHING SIDE)
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SEGMENT 1
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
SEGMENT
1 HIGH-VOLTAGE (H1) BUSHING1
QTYITEM DESCRIPTION
RADIATORS (TYPICAL)
RADIATOR ISOLATION VALVES (TYPICAL)
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE BUSHINGS
COVER
COVER
COVER
OIL LEVEL INDICATOR
AS DES.
AS DES.
CONTROL CABINET
3-INCH MAIN OIL DRAIN VALVE
1.5-INCH LOWER FILTER VALVE
EXAMPLE MODEL NUMBER
33 4, COVER
ABB-HITACHI
ABB-HITACHI
XPRDPRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
MILWAUKEE VALVE F20SS, CLASS 150
MILWAUKEE VALVE F20SS, CLASS 150
QUALITROL SERIES 042
BILL OF MATERIALS
TYPE RJ BUSHING T025B0750EC
2,4
2,4
35 THERMOWELLS (QTY. 3 - STANDARD, QTY. 2 - HEATED)
TYPE O+ C BUSHING T550W2000VV
MILWAUKEE VALVE
A2
SEGMENT 3TRANSFORMER ELEVATION VIEW -
1/2"=1'-0"SCALE:
17 1 3 POWER CABINET
19 3 3 ANALOG TEMPERATURE GAUGES QUALITROL
21 1 3 RAPID PRESSURE RISE RELAY QUALITROL 900-003-01
38 1 3 TRANSFORMER NAMEPLATE
49 4 1, 3 GROUNDING PADS (TYPICAL)
70 1 3 AUXILIARY POWER TRANSFORMER
SEE RESOURCE DRAWINGS FOR THE MOUNTING PAD DETAILS5.
MAXIMUM WEIGHT: 352,000 POUNDS4.
ARE NOT INTENDED TO INDICATE THE ACTUAL QUANTITY.
3. THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS, AND
BREATHER, AND BUCHHOLZ RELAY.
SYSTEM MUST BE INCLUDED, SUCH AS A MAINTENACE-FREE DEHYDRATING
REQUIRED IN SECTION 48 19 23.08 26 FOR A CONSTANT OIL PRESERVATION
OIL PRESERVATION SYSTEM IS PROVIDED, ALL ASSOCIATED EQUIPMENT
THE POWERHOUSE EQUIPMENT NEEDED TO FIT THE COPS TANK. IF CONSTANT
CONDUCTORS PER IEEE STD 1427. THERE SHALL BE NO MODIFICATIONS TO
MUST MAINTAIN A MINIMUM OF 105" CLEARANCE FROM THE OVERHEAD 500KV
THE DIMENSIONAL REQUIREMENTS IDENTIFIED MUST BE MET. THE COPS TANK
TRANSFORMER AND/OR A CONSTANT OIL PRESERVATION SYSTEM IS PROVIDED,
DRAWINGS WITH AN INERT-GAS OIL PRESERVATION SYSTEM. IF A CORE-FORM
THE DRAWING SHOWN IS BASED ON THE WESTINGHOUSE SHELL-FORM2.
I. MAXIMUM OVERAL WIDTH
H. STRUCTURAL BASE INCLUDING WIDTH
G. JACKING FACILITIES
F. ANCILLARY DEVICES
E. CONTROL AND POWER CABINETS
LOW VOLTAGE BUS
D. LOW-VOLTAGE BUSHING HOUSING DIMENSIONS AND LOCATION OF
CONNECTION
C. HIGH-VOLTAGE NEUTRAL BUSHING LOCATION AND TERMINAL
B. LOW-VOLTAGE BUSHING LOCATIONS AND TERMINAL CONNECTIONS
A. HIGH-VOLTAGE BUSHING LOCATION AND TERMINAL CONNECTION
TO ASSURE PROPER INTERCONNECTION:
OF THE FOLLOWING TRANSFORMER EQUIPMENT ARE CONSIDERED CRITICAL
. THE LOCATIONSIN THE TRANSFORMER VAULT
INTERFACES PROPER INTERCONNECTION TO THE EXISTING EQUIPMENT AND
FOR THE MANUFACTURER'S USE IN DESIGNING THE TRANSFORMER FOR
1. THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN PROVIDED
GENERAL NOTES
CL
CL
A16
IDENTIFICATION (TOP VIEW)
FIGURE 1 - TRANSFORMER TANK SEGMENT
SCALE: NTS
CL
O C
T O
B E
R
COMBINATION JACKING PAD, PULLING EYE AND LIFTING EYES73 4 1, 3
COMBINATION UPRIGHTING AND LIFTING EYES FOR UPRIGHTING AND LIFTING COMPLETE UNIT74 2 3
HORIZONTAL LIFTING EYES FOR LIFTING COMPLETE UNIT WHEN IN HORIZONTAL POSITION75 2 3
77 1 3 EXTERNAL GAS EXPANSION TANK
ABB-HITACHI
TYPE O+ C BUSHING T025W0412AT
43 AS DES. BASE SKID-TYPE STRUCTURAL BASE
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
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U .S
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SEGMENT 2 SEGMENT 4
BUSHING SIDE)
(LOW-VOLTAGE
SEGMENT 1
BUSHING SIDE)
(HIGH-VOLTAGE
SEGMENT 3
A1
SEGMENT 4TRANSFORMER ELEVATION VIEW -
1/2"=1'-0"SCALE:
SEGMENT
1 HIGH-VOLTAGE (H1) BUSHING1
QTYITEM DESCRIPTION
RADIATORS (TYPICAL)
HIGH-VOLTAGE NEUTRAL (H0) BUSHING
LOW-VOLTAGE BUSHINGS
COVER
COVER
COVER
OIL LEVEL INDICATOR
AS DES.
POWER CABINET
EXAMPLE MODEL NUMBER
ABB-HITACHI
ABB-HITACHI
MILWAUKEE VALVE F20SS, CLASS 150
QUALITROL SERIES 042
BILL OF MATERIALS
TYPE RJ BUSHING T025B0750EC
2,4
15 1 1 DUAL TANK NITROGEN REGULATOR CABINET ABB RND2
2 2-INCH DISSOLVED GAS-IN-OIL MONITOR INTERFACE VALVES
TYPE O+ C BUSHING T550W2000VV
10 COVER HORIZONTAL DRAFT COOLING FANS (TYPICAL) KRENZ-VENTAS DES.
16 1 3 CONTROL CABINET
21 1 3 RAPID PRESSURE RISE RELAY QUALITROL 900-003-01
43 AS DES. BASE STRUCTURAL BASE
TYPE O+ C BUSHING T025W0412AT
49 4 2,4 GROUNDING PAD (TYPICAL)
33 QUALITROL XPRD4,COVER1 PRESSURE RELIEF DEVICE WITH DISCHARGE PIPING
CL
27 1 1 1.5-INCH LOWER FILTER VALVE MILWAUKEE VALVE F20SS, CLASS 150
70 1 3 AUXILIARY POWER TRANSFORMER
A16
IDENTIFICATION (TOP VIEW)
FIGURE 1 - TRANSFORMER TANK SEGMENT
SCALE: NTS
5. SEE RESOURCE DRAWINGS FOR PAD DETAILS.
4. MAXIMUM WEIGHT: 352,000 POUNDS
ARE NOT INTENDED TO INDICATE THE ACTUAL QUANTITY.
3. THE RADIATORS AS DEPICTED INDICATE THE PERMISSIBLE LOCATIONS, AND
BREATHER, AND BUCHHOLZ RELAY.
SYSTEM MUST BE INCLUDED, SUCH AS A MAINTENACE-FREE DEHYDRATING
REQUIRED IN SECTION 48 19 23.04 26 FOR A CONSTANT OIL PRESERVATION
OIL PRESERVATION SYSTEM IS PROVIDED, ALL ASSOCIATED EQUIPMENT
THE POWERHOUSE EQUIPMENT NEEDED TO FIT THE COPS TANK. IF CONSTANT
CONDUCTORS PER IEEE STD 1427. THERE SHALL BE NO MODIFICATIONS TO
MUST MAINTAIN A MINIMUM OF 105" CLEARANCE FROM THE OVERHEAD 500KV
THE DIMENSIONAL REQUIREMENTS IDENTIFIED MUST BE MET. THE COPS TANK
TRANSFORMER AND/OR A CONSTANT OIL PRESERVATION SYSTEM IS PROVIDED,
DRAWINGS WITH AN INERT-GAS OIL PRESERVATION SYSTEM. IF A CORE-FORM
THE DRAWING SHOWN IS BASED ON THE WESTINGHOUSE SHELL-FORM2.
J. LOCATION OF EMBEDDED CONDUIT
I. MAXIMUM OVERALL LENGTH
H. STRUCTURAL BASE
G. JACKING & LIFTING FACILITIES
F. ANCILLARY DEVICES
E. CONTROL AND POWER CABINETS
D. LOW VOLTAGE BUSHING HOUSING FLANGE DIMENSIONS AND LOCATION
C. LOW-VOLTAGE BUSHINGS LOCATIONS AND TERMINAL CONNECTIONS
B. HIGH-VOLTAGE NEUTRAL BUSHING LOCATION AND TERMINAL CONNECTION
A. HIGH-VOLTAGE BUSHING LOCATION AND TERMINAL CONNECTION
INTERCONNECTION:
TRANSFORMER EQUIPMENT ARE CONSIDERED CRITICAL TO ASSURE PROPER
THE TRANSFORMER VAULT. THE LOCATIONS OF THE FOLLOWING
PROPER INTERCONNECTION TO THE EXISTING EQUIPMENT AND INTERFACES IN
FOR THE MANUFACTURER'S USE IN DESIGNING THE TRANSFORMER FOR
1. THE TRANSFORMER LAYOUT AND LIMITING DIMENSIONS HAVE BEEN PROVIDED
GENERAL NOTES
72 2 1 STABILIZING EYES
73 4 1, 3 COMBINATION JACKING PAD, PULLING EYE, AND LIFTING EYES
74 2 3 COMBINATION UPRIGHTING AND LIFTING EYES FOR UPRIGHTING AND LIFTING COMPLETE UNIT
75 2 3 HORIZONTAL LIFTING EYES FOR LIFTING COMPLETE UNIT WHEN IN HORIZONTAL POSITION
76 2 1 COMBINATION ROCKER AND JACKING PADS FOR UPRIGHTING AND JACKING COMPLETE UNIT
77 1 3 EXTERNAL GAS EXPANSION TANK
26 MILWAUKEE VALVE F20SS, CLASS 15031 2-INCH DISSOLVED GAS-IN-OIL MONITOR INTERFACE VALVE
25 1 3 3-INCH MAIN OIL DRAIN VALVE MILWAUKEE VALVE F20SS, CLASS 150
ABB-HITACHI
19 1 3 QUALITROL TR6000 SERIES
CL
ANALOG TEMPERATURE GAUGES
CORE & CORE FRAME GROUND BUSHINGSCOVER7 AS DES.
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P
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P
TEMPERED GLASS
RUBBER SEAL
CLAYTONRITE-TYPE
ENCLOSURE PANEL
SECURING STRIP
SEE NOTE 2
SEE DETAIL A7
WINDOW SEAL
DOOR)
(INSIDE CABINET
COMPUTER TRAY
FOLD-DOWN
43TF
FRAMEWORK
CABINET MOUNTING
FRAMEWORK
CABINET MOUNTING
TANK SIDEWALL
TRANSFORMER
DRIP CHANNEL
SHIELD
RAIN AND DRIP
GASKET SEAL
SHIELDING
SOLAR
DOOR
INSIDE CABINET
DRAWING POCKET
O C
T O
B E
R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
C
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F
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D B
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®of Engineers
US Army Corps
U .S
A
R M
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O R
P S
O F
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IN
E E
R S
SHEET ID
120 VAC & 125 VDC CONTROL CABINET480 VAC POWER CABINET
(FUTURE)
TO POWER PLANT
CONNECTIONS
CONDUIT
EXTERNAL
CONTROL CABINETS
POWER AND
DISPLAY.
A WEATHERPROOF SEAL FOR VIEWING OF A FUTURE INSTALLED ANNUNCIATOR
8. THE RIGHT CONTROL CABINET DOOR IS TO HAVE A TEMPERED GLASS WINDOW WITH
TEMPERATURE MONITOR AND COOLING CONTROL SYSTEM DISPLAY.
WEATHERPROOF SEAL FOR VIEWING OF A FUTURE INSTALLED ELECTRONIC
7. THE LEFT CONTROL CABINET DOOR IS TO HAVE A TEMPERED GLASS WINDOW WITH A
MANUAL DRAWINGS.
WHEN STOWED. THE LEFT DOOR IS TO HAVE A POCKET SIZED TO HOLD THE O&M
IN A HORIZONTAL POSITION WHEN LOWERED, AND A MEANS FOR LATCHING THE TRAY
OF THE DOOR. THE TRAY IS TO INCLUDE FOLDING HINGES WHICH SECURE THE TRAY
6. THE RIGHT DOOR IS TO HAVE A DROP DOWN LAPTOP TRAY MOUNTED ON THE INSIDE
USING VIBRATION ISOLATORS.
. THE CONTROL AND POWER CABINETS ARE TO BE MOUNTED TO A FRAME STRUCTURE5
POWER CABINETS SHALL ONLY ENTER EACH CABINET THROUGH THE BASE.
4. ALL CONDUIT ROUTING FROM THE TRANSFORMER DEVICES TO THE CONTROL AND
CONDUIT.
GASKETED REMOVABLE PLATES FOR THE PURPOSES OF FUTURE FIELD FITTING OF
REPRESENTATIVE PURPOSES ONLY. THE BASE OF EACH CABINET IS TO HAVE
3. EXTERNAL CONDUIT CONNECTIONS TO THE POWER PLANT ARE SHOWN FOR
2. SPACE FOR ARC FLASH LABEL (PROVIDED BY THE GOVERNMENT).
BUILT IN ACCORDANCE WITH UL 508A STANDARD.
1. THE TRANSFORMER CONTROL AND POWER CABINETS ARE TO BE DESIGNED AND
COOLING GROUP ON-OFF-AUTO SELECTOR SWITCH43TF
G1
FRONT VIEW
CONTROL AND POWER CABINETS
SCALE: NTS
G8
SIDE VIEW
CONTROL AND POWER CABINETS
SCALE: NTS
G15
DOOR SEAL
TYPICAL CABINET
SCALE: NTS
A8
WINDOWS SEAL
TYPICAL CLAYTONRITE-TYPE
SCALE: NTS
GENERAL NOTES
LEGEND
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L O
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D D
A M
W
E F
R A
L L
A W
A L
L A
W
A S
H
IN
G T
O N
N
R
D A
V E
W A
L L
A W
A L
L A
D
IS
T R
IC
T
P O
R T
L A
N D
O
R E
G O
N
S
W
S T
A V
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H Y
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A F
B EC
G
D
B
A
C D E
F
G
5453 55 56
6352 64
59 62
59 62
59 62
CABINET LIGHT
TRANSFORMER MOUNTED CONDUIT
AREA FOR INSTALLATION OF
WIRING TO POWER CABINET
BUSHING FOR 120 VAC
WIREWAY HOLE WITH
INSTALLATION TO POWER PLANT
PLATE FOR CONDUIT
AND GASKETED BOTTOM
REMOVABLE BOLTED
O C
T O
B E
R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
C
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IT
T
E D
B Y
C H
E C
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D B
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D R
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D B
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®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
SHEET ID
DESCRIPTION
QUALITROL QTMS
MOLDED-CASE CIRCUIT BREAKERS
AUXILIARY RELAYS
INTERPOSING RELAY FOR LOCKOUT RELAY GENERAL ELECTRIC
TERMINAL BLOCKS - CONTROL SIGNAL TYPE
TERMINAL BLOCKS - POWER DISTRIBUTION TYPE
FUSES
FUSEHOLDERS
CABINET HEATER
ELECTROSWITCH SERIES 24
UNDERVOLTAGE RELAY
RECEPTACLE WITH GFCI HUBBELL GFR8300SGW
MARATHON SERIES 142
TIME MARK
BUSSMAN
BUSSMAN
WAUKESHA PTC2
FAL
C26(XX)
HMA
LPJ
JTN600(XX)
TIME DELAY RELAY AGASTAT SERIES 7000
ELECTRONIC COOLING CONTROL (FUTURE)
LOCAL ANNUNCIATOR PANEL (FUTURE) SEL 2533
COOLING GROUP SELECTOR SW (DEVICE 43TF)
TERMINAL BLOCKS - SHORT CIRCUIT
GROUND BUS BAR - -
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
BILL OF MATERIALS - CONTROL CABINET COMPONENTS
HUMIDISTAT / THERMOSTAT (DEVICE 23-1)
SQUARE D
SQUARE D 8501, TYPE X
STATES TYPE NT, CLASS 250
STATES TYPE NT, CLASS 251-G
HAMMOND MFG SKTH012009-C
ITEM QTY EXAMPLE MODEL NUMBER
6. THE REMOVABLE BOTTOM PLATE THICKNESS IS TO BE 10 GAUGE, MINIMUM.
CABINET.
5. THE GFCI OUTLET IS TO BE ACCESSIBLE ONLY FROM INSIDE OF THE CONTROL
THROUGH A WATERPROOF VIEWING GLASS IN THE RIGHT CONTROL CABINET DOOR.
ANNUNCIATOR MOUNTED ON THE SWING PANEL SO THAT THE FRONT IS VISIBLE
4. THE CONTROL CABINET IS TO BE DESIGNED FOR THE FUTURE INSTALLATION OF ONE
THE LEFT CONTROL CABINET DOOR.
PANEL SO THAT THE FRONT IS VISIBLE THROUGH A WATERPROOF VIEWING GLASS IN
CONTROL CABINET, WITH AN HMI MODULE REMOTELY MOUNTED ON THE SWING
ELECTRONIC COOLING CONTROL SYSTEM IN A REAR MOUNT CHASSIS IN THE
3. THE CONTROL CABINET IS TO BE DESIGNED FOR THE FUTURE INSTALLATION OF AN
THE ACTUAL LAYOUT MAY BE MODIFIED BY THE CONTRACTOR.
2. THE CONTROL CABINET LAYOUT AS SHOWN IS FOR ILLUSTRATIVE PURPOSES ONLY.
BUILT IN ACCORDANCE WITH UL 508A STANDARD.
1. THE TRANSFORMER CONTROL AND POWER CABINETS ARE TO BE DESIGNED AND
LH BACK PANEL RH BACK PANEL RH SIDE PANEL
(FRONT VIEW)
RIGHT SWING PANEL
BLOCKS
TERMINAL
RESISTORS
CALIBRATION
ANALOG WTI
BLOCKS
TERMINAL
BLOCKS
TERMINAL
BLOCKS
TERMINAL
TRANSFORMER
CURRENT
BLOCKS
TERMINAL
BREAKERS
CIRCUIT
DEVICES
RELAYS AND
AUXILIARY
BOTTOM PANEL
COMPONENTS
SYSTEM
COOLING CONTROL
ELECTRONIC
FUTURE
HEATERHEATER
(FRONT VIEW)
LEFT SWING PANEL
LH SIDE PANEL
OUTLET
65 67
GENERAL NOTES
K2
CONTROL CABINET TOP VIEW
SCALE: NTS
A1
CONTROL CABINET LAYOUT
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A C
B
D
52 71
A B C
59 62
59 62
CABINET
WIRING TO CONTROL
BUSHING FOR 120 VAC
WIREWAY HOLE WITH
CABINET LIGHT
TRANSFORMER MOUNTED CONDUIT
AREA FOR INSTALLATION OF
INSTALLATION TO POWER PLANT
PLATE FOR CONDUIT
GASKETED BOTTOM
REMOVABLE BOLTED AND
63 64
O C
T O
B E
R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
C
D
E
F
G
H
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K
L
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N
P
S U
B M
IT
T
E D
B Y
C H
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D B
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®of Engineers
US Army Corps
U .S
A
R M
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O R
P S
O F
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E E
R S
SHEET ID
MAGNETIC CONTACTORS
MOLDED-CASE CIRCUIT BREAKERS
TERMINAL BLOCKS - CONTROL SIGNAL TYPE
TERMINAL BLOCKS - POWER DISTRIBUTION TYPE
FUSES
FUSEHOLDERS
CABINET HEATER
MARATHON SERIES 142
BUSSMAN
BUSSMAN
WAUKESHA PTC2
KHL
LPJ
JTN600(XX)
BILL OF MATERIALS - POWER CABINET COMPONENTS
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
AS REQ'D
1 GROUND BUS BAR - -
66 HUMIDISTAT / THERMOSTAT (DEVICE 23-2)
SQUARE D
STATES TYPE NT, CLASS 250
HAMMOND MFG SKTH012009-C
SQUARE D
ITEM QTY DESCRIPTION EXAMPLE MODEL NUMBER
3. THE REMOVABLE BOTTOM PLATE THICKNESS SHALL BE 10 GAUGE, MINIMUM.
TERMINAL BLOCKS SHALL BE MOUNTED IN THE 480 VAC POWER CABINET.
INCLUDING THE MOLDED-CASE CIRCUIT BREAKERS, CONTACTORS AND POWER
2. ALL 480 VAC PROTECTIVE AND CONTROL EQUIPMENT FOR THE COOLING FANS,
BY THE CONTRACTOR.
1. THE LAYOUT SHOWN IS FOR ILLUSTRATIVE PURPOSES ONLY AND MAY BE MODIFIED
BOTTOM PANEL
AND FAN CONTROL)
LIGHTS, HEATER
(WIRING FOR
BLOCKS
TERMINAL
120 VAC
CONTACTORS
FAN MOTOR
BREAKERS AND
CIRCUIT
BLOCKS
TERMINAL
BLOCKS
TERMINAL
LH SIDE PANEL RH SIDE PANELBACK PANEL
HEATER
FUSE HOLDERS
FUSES AND
A7
POWER CABINET - TOP VIEW
SCALE: NTS
A12
POWER CABINET LAYOUT
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FUTURE DGA SYSTEM
LOAD SENSING CT FOR
FUTURE LOCATION OF
DGA SYSTEM
LOAD SENSING CT FOR
FUTURE LOCATION OF
TEMPERATURE MONITOR
FUTURE ELECTRONIC
LOAD SENSING CT FOR
FUTURE LOCATION OF
TEMPERATURE MONITOR
FUTURE ELECTRONIC
LOAD SENSING CT FOR
FUTURE LOCATION OF
O C
T O
B E
R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
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®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
O F
E N
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IN
E E
R S
SHEET ID
(90 C)
SW. #2
(SEE NOTE 2)
SW. #1
(117 C)
SW. #3
(LOW-LOW LEVEL)
SW. #2
(LOW LEVEL)
SW. #1
PRESSURE
LOW
PRESSURE
HIGH
(UNUSED)
SW. #2
(90 C)
SW. #1
(< 200 PSI)
EMPTY CYLINDER
BULB
HEATER
WELL
BULB NOT REQUIRED, AND ALARMS FOR BUCHHOLZ RELAY SHALL BE INCLUDED.
TANK SYSTEM IS PROVIDED, THE ALARMS FOR NITROGEN PRESSURE SYSTEM ARE
THE DRAWINGS SHOWN ARE FOR A NITROGEN SYSTEM. IF A CONSERVATOR3.
ONAN RATING.
BE BASED UPON THE RESULTS OF THE FACTORY TEMPERATURE RISE TESTS AT THE
2. THE WINDING TEMPERATURE SETTING FOR ENERGIZING THE COOLING FANS IS TO
TERMINATED ON SHORTING TERMINAL BLOCKS.
SECONDARY WIRING IS TO BE ROUTED TO THE CONTROL CABINET AND
1. ALL BUSHING CURRENT TRANSFORMERS AND CURRENT TRANSFORMER
(BELOW)
DIAGRAM
SEE CT
(DEVICE 49Q1)
THERMOWELL
HEATED
TOP OIL THERMOWELLS
(DEVICE 26Q1)
THERMOWELL
(DEVICE 26Q2)
WITH NPT PLUG
THERMOWELL
(DEVICE 49WT1)
WINDING TEMPERATURE INDICATOR
(DEVICE 26Q)
OIL TEMPERATURE INDICATOR
BOTTOM OIL THERMOWELL
(DEVICE 26Q3)
THERMOWELL
63RPR
(49WT2)
HEATER
THERMOWELL
WINDINGS ASSEMBLY
TRANSFORMER CORE AND
(TYPICAL)
SEE NOTE 1
BCT-H1
BCT-H4
CT-Y1 49R2 49Q2
H1
Y1
(DEVICE 63PR)
PRESSURE RELIEF DEVICE
(ALARM)
SW. #1
(TRIP)
SW. #2
(DEVICE 71Q)
OIL LEVEL INDIATOR
TS2
(DEVICE 63NR)
NITROGEN PRESSURE REGULATOR
2 3 1 6 4 5 8 9 7
GOVERNMENT
DEVICES AND WIRING TO BE INSTALLED IN THE FUTURE BY THE
LOW-VOLTAGE BUSHINGY1
LOW-VOLTAGE BUSHINGX1
TEST SWITCHTS_
TERMINAL BLOCKSTB_
SWITCHSW
RESISTANCE TEMPERATURE DETECTORRTD
HIGH-VOLTAGE BUSHINGH1
HIGH-VOLTAGE NEUTRAL BUSHINGH0
CURRENT TRANSFORMERSCT_
MULTI-RATIO BUSHING CURRENT TRANSFORMERSBCT_
DISSOLVED GAS ANALYZERDGA
GAS-IN-OIL MONITOR95
TRIP AUXILIARY RELAY94X
OIL LEVEL INDICATOR71Q
RAPID PRESSURE RISE RELAY TRIP63X2
RAPID PRESSURE RISE RELAY ALARM63X1
RAPID PRESSURE RISE RELAY SEAL-IN RELAY63RPR-SI
RAPID PRESSURE RISE RELAY63RPR
PRESSURE RELIEF DEVICE63PR
NITROGEN PRESSURE REGULATOR63NR
ANALOG WINDING TEMPERATURE INDICATORS49WT1,2
CALIBRATION DEVICES49R1,2
HEATED THERMOWELLS49Q1,2
ANNUNCIATOR30
UNDERVOLTAGE RELAY27
THERMOWELLS26Q1,2,3
ANALOG OIL TEMPERATURE INDICATOR26Q
(BELOW)
DIAGRAM
SEE CT
(DEVICE 49Q2)
THERMOWELL
HEATED
(DEVICE 49WT2)
WINDING TEMPERATURE INDICATOR
(90 C)
SW. #2
(SEE NOTE 2)
SW. #1
(117 C)
SW. #3
BULB
HEATER
WELL
TEMP MONITOR)
(SPARE FOR FUTURE
(DEVICE 26Q2)
WITH NPT PLUG
THERMOWELL
(SPARE)
TEMP MONITOR)
(SPARE FOR FUTURE
(49WT1)
HEATER
THERMOWELL
CT-X149R149Q1
X1
TS1
A1
THERMOWELLS
CURRENT TRANSFORMERS AND HEAT
SCALE: NTS
GENERAL NOTES
LEGEND
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
(TO POWERPLANT)
TRANS. TRIP
A N
N T
B :4
A N
N T
B :5
FANS
COOLING
(TO POWERPLANT)
TRANS. TRIP
FANS
COOLING
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A N
N T
B :7
A N
N T
B :6
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A N
N T
B :4
A N
N T
B :3
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A N
N T
B :1
A N
N T
B
:1
(UNUSED)
SW. #2
SW. #1
(DEVICE 27-1)
UNDERVOLTAGE RELAY
1 2 1 2
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A N
N T
B :8
A N
N T
B :9
A N
N T
B
:1
A N
N T
B
:1
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A N
N T
B :3
A N
N T
B :2
A N
N T
B :3
A N
N T
B :2
TB1:1 TB1:3
(DEVICE 94X)
TRANSFORMER TRIP
(DEVICE 63RPR-SI)
SEAL-IN RELAY
RAPID PRESSURE RISE
ALARM (63X1) UNUSED
RAPID PRESSURE RISE
TRIP (63X2)
RAPID PRESSURE RISE
876 109
ALARM RELAY 1
(DEVICE 95)
GAS-IN-OIL MONITOR
(FUTURE)
14 11/13
A N
N T
B :5
A N
N T
B :4
ALARM RELAY 2
14 11/13 12
A N
N T
B :5
A N
N T
B :4
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
(DEVICE 30)
(FUTURE)
ANNUNCIATOR
A L
F
IL
E N
U M
B E
R
F
IL
E N
A M
E
D S
P
D
:5
:5
A
M
/1 /2
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480 VAC POWER CABINET
LOCATED IN
POWER CABINET
ADJACENT TO
MOUNTED ON TANK
LOCATED IN POWERHOUSE
TRIP COIL MONITORING
EXISTING LOCKOUT RELAY WITH
480 VAC POWER CABINET
LOCATED IN
POWER CABINET
LOCATED IN 480 VAC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
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IT
A
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IS
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D A
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S I Z
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®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
SHEET ID
DS-1
H T
R
LT1 LT2
23-1
DS-2
H T
R
LT3
23-2
DS-3
LIGHTS
CABINET
CONTROL
52-6
HEATER
CABINET
CONTROL
52-7
27-1
X1
V
LIGHT
CABINET
POWER
52-4
HEATER
CABINET
POWER
52-5
FUSE
H T
R
20A
GFCI
OUTLET
RECEPTACLE
CABINET
CONTROL
52-8
(DGA)
POWER
MONITOR
GAS-IN-OIL
FUTURE
V
480VAC - 120VAC
POWER TRANSFORMER
AUXILIARY
H4
H1 X3
SHEILD
ELECTROSTATIC
72-1
P D
B
P D
B
42 TO POWERHOUSE 86TX
NOTE 1)
(SEE
94X
94X
SYSTEM
MONITORING
ELECTRONIC
FUTURE
V
D C
G O
V E
R N
M E
N T
F U
R N
IS
H
E D
C O
N T
R O
L P
O W
E R
94X POWERHOUSE 86TX
125C
WT1
RESET
63RPR-SI
TB3
PWR
63RPR
86TX 23
IN THE POWERHOUSE. SEE SHEET E-603 FOR TERMINAL DETAILS.
4. THE 86TX TRANSFORMER LOCKOUT AND ASSOCIATED CONTACTS ARE LOCATED IN
DESIGN MAY DIFFER FROM VALUES SHOWN.
3. KVA VALUES SHOWN ARE FOR ILLUSTRATION PURPOSES ONLY. THE CONTRACTOR
2. DETAILED WIRING DESIGN SHALL BE PERFORMED BY CONTRACTOR.
OUTPUTS WILL BE WIRED IN PARALLEL WITH THE 49WT CONTACTS IN THE FUTURE.
THE LOCKOUT RELAY SOLENOID EXCEEDS THE RATING OF THE ETM. THE ETM
OUTPUT RELAY CONTACTS THAT WILL BE INSTALLED IN THE FUTURE. THE BURDEN OF
LOCKOUT WITHOUT OVERLOADING THE ELECTRONIC TEMPERATURE MONITOR (ETM)
1. THE PURPOSE OF THE 94X AUXILIARY RELAY IS TO ALLOW FOR TRIPPING OF THE 86T
RISE
FAST PRESSURE
RISE
SLOW PRESSURE
125C
WT2
TX
TX
HR
(FUTURE)
RELAY
ETM
(15A)
DGA
52-9
(5A)
ETM
72-2
A6
125 VDC CONTROL SCHEMATIC
SCALE: NTS
G5
COOLING AND CONTROL SCHEMATIC
SCALE: NTS
GENERAL NOTESLEGENDLEGEND CONT
88 FAN MOTOR
PDB POWER DISTRIBUTION BLOCK
LOCKOUT RELAY (LOCATED IN THE POWERHOUSE)
94X TRIP AUXILIARY RELAY
DGA DISSOLVED GAS ANALYZER (FUTURE)
FCT FAN CURRENT TRANSFORMER
DS CABINET DOOR SWITCH
LT CABINET LIGHT
HTR CABINET HEATER
GFCI GROUND FAULT CIRCUIT…
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