Attachment 6 Sheet G_204.pdf

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®of Engineers

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NAMEPLATE DATA:

TANK AND CONSTRUCTION:

ACCESSORIES:

BUSHINGS:

INSULATING OIL:

CONTROL CABINET AND POWER CABINET:

SPARE PARTS:

FACTORY ASSEMBLY AND PAINT:

FACTORY ACCEPTANCE TESTS (F.A.T.):

REQUIREMENTS SUMMARY SHEET

OAHE DAM 115 KV THREE-PHASE GSU TRANSFORMER

(REFERENCE SPECIFICATION SECTION 48 19 23.05 26)

NAPTHENIC BASE - ASTM D 3487 TYPE II; 0.3% BY MASS OF OXIDATION INHIBITOR∙ TYPE:

(4) COMPLETELY ASSEMBLED AND WITNESSING OF FACTORY ACCEPTANCE TESTS

(3) COMPLETED CORE/COIL ASSEMBLY, BUT PRIOR TO TANKING

(2) AFTER COMPLETION OF WINDINGS BUT PRIOR TO LANDING ON CORE

(1) DESIGN REVIEW MEETING

GOVERNMENT INSPECTIONS PERFORMED DURING∙ INSPECTIONS:

FOR ONE WEEK PRIOR TO OIL FILLING.

PRIMER COAT, OIL-RESISTANT FINISH COAT - WHITE. ALLOW TO CURE∙ INTERIOR PAINT:

CABINETS, SHALL REMAIN UNPAINTED. COVER TO RECEIVE A NON-SLIP COATING.

5BG 7/0.4 HIGH-GLOSS. CORROSION RESISTANT SURFACES, AND STAINLESS STEEL

PRIMER COAT, EPOXY BASE COAT, POLYURETHANE TOP COAT - MUNSELL∙ EXTERIOR PAINT:

MATCH-MARKED FOR EASE OF REASSEMBLY.

TRANSFORMER TO BE FULLY ASSEMBLED, WITH REMOVABLE COMPONENTS∙ ASSEMBLY:

4,400 GAL∙ MAXIMUM OIL VOLULME:

212,000 LB∙ MAXIMUM TRANSFORMER WEIGHT:

70 DB∙ MAXIMUM SOUND LEVEL (ONAF):

NITROGEN GAS BLANKETED∙ OIL PRESERVATION SYSTEM:

65 ºC∙ TEMPERATURE RISE:

5 TAPS; 2 @ +2.5%, 2 @ -2.5% OF NOMINAL 115 KV TAP∙ SECONDARY WINDING (H) DETC:

60 HZ∙ FREQUENCY:

13.5% @ 103,000 KVA (H-X)∙ IMPEDANCE:

THREE-PHASE∙ PHASING:

550 (H) / 110 (X) / 150 (H0)∙ BIL LEVELS, KV:

115,000 GRDY (H) - 13,800 DELTA (X)∙ VOLTAGE RATINGS:

103,000∙ KVA RATING:

OFAF OR ODAF∙ COOLING CLASS:

CLASS II GSU POWER TRANSFORMER∙ TYPE:

ANALOG TEMPERATURE GAUGE FUNCTIONAL VERIFICATION∙

BUSHING CURRENT TRANSFORMER ROUTINE TESTS∙

AND POWER FACTOR TESTS DURING TRANSFORMER F.A.T.

EACH HIGH-VOLTAGE AND HIGH-VOLTAGE NEUTRAL BUSHING ARE TO UNDERGO CAPACITANCE∙

ALL ELECTRICAL AND ELECTO-MECHANICAL DEVICES ARE TO 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 TESTS - ACCEPTANCE CRITERIA: 7,200 CYCLE ENHANCEMENT LEVEL: 500 PC;∙

MANUFACTURED

AUDIBLE SOUND LEVEL TESTS ARE TO BE PERFORMED ON THE FIRST TRANSFORMER∙

LIGHTNING IMPULSE TESTS∙

- OFAF WITH ALL COOLING GROUPS IN OPERATION AT 100% RATED LOAD

- OFAF WITH ONE COOLING GROUP IN OPERATION AT 70% RATED LOAD

MANUFACTURED, AT THE FOLLOWING COOLING STAGES:

TEMPERATURE RISE TESTS ARE TO BE PERFORMED ON THE FIRST TRANSFORMER∙

ALL 'ROUTINE' TESTS (IEEE C57.12.00, TABLE 17)∙

HEAVY-DUTY WITH LARGE THRUST-FACE SLEEVE BEARINGS, THERMO-SYPHON DESIGN.∙ PUMPS:

HOT-DIP GALVANIZED ENCLOSURES AND FAN GUARDS.∙ FORCED-AIR (OFAF) COOLERS:

STEEL. MAXIMUM DESIGN FLUX DENSITY OF 1.75 TESLA. STEP-LAP CONSTRUCTION.

LAMINATIONS MAXIMUM THICKNESS OF 0.270MM, COLD-ROLLED, GRAIN-ORIENTED∙ CORE:

SEISMIC CALCULATIONS REQUIRED FOR MAIN TANK AND ALL MAJOR COMPONENTS.∙ SEISMIC:

DESIGN LOADS FOR EACH EYE SHALL BE TWO TIMES THE ACTUAL LOAD.∙ LIFTING EYES:

DESIGNED FOR PAD MOUNTING WITH SEISMIC WELDING TO STEEL PLATES.∙ BASE:

8517412)

DESIGNED FOR USE WITH THE FALL ARREST ANCHOR POST. (EXAMPLE MODEL DBI-SALA

UNI-ANCHOR PLATE AND LUG,∙ PORTABLE FALL ARREST ANCHOR POST MOUNTING PLATE:

GROUND PAD AT BASE OF TANK.

#4/0 INSULATED COPPER CONDUCTOR FROM NEUTRAL BUSHING TO TANK∙ GROUNDING:

STAINLESS STEEL BALL-TYPE (RADIATORS MAY USE BUTTERFLY-TYPE)∙ VALVES:

CROSS-SECTION.

O-RING GASKETS ARE NOT TO BE USED FOR GASKET GROOVES OF RECTANGULAR

THAT THE LOW-VOLTAGE BUSHING GASKETS ARE TO BE FLUOROELASTOMETIC RUBBER.

NITRILE NBR (BUNA-N), DURO 50-70, 25% COMPRESSION, WITH THE EXCEPTION∙ GASKETS:

24-INCH DIAMETER (QTY: 3)∙ MANHOLE:

(QTY 1): PRESSURE REGULATOR FOR INERT-GAS EQUIPMENT∙

(QTY 1): VALVE OF EACH SIZE AND TYPE∙

(QTY 1): FUSE OF EACH TYPE AND RATING∙

PLATE TO THE FIBER-OPTIC WINDING TEMPERATURE MONITOR

(QTY 5): FIBER OPTIC EXTENSION CABLE THAT CONNECTS THE FEED-THROUGH WALL∙

(QTY 1): COOLING FAN COMPLETE WITH MOTOR∙

(QTY 1): OIL FLOW SWITCH∙

(QTY 1): OIL PUMP WITH MOTOR∙

(QTY 1): OIL TEMPERATURE INDICATOR∙

(QTY 1): WINDING TEMPERATURE INDICATOR∙

(QTY 1): LIQUID LEVEL INDICATOR∙

(QTY 1): RAPID PRESSURE RISE SEAL-IN RELAY∙

(QTY 1): RAPID PRESSURE RISE RELAY∙

(QTY 1): PRESSURE RELIEF DEVICE∙

(QTY 1): RELAY AND CONTACTOR OF EACH TYPE AND RATING∙

(QTY 1): ANNUNCIATOR∙

(QTY 1): BUSHING CURRENT TRANSFORMER OF EACH TYPE AND RATING∙

(QTY 1): SET OF GASKETS FOR TRANSFORMER ON-SITE REASSEMBLY AFTER DELIVERY∙

(QTY 1): COMPLETE GASKET SET∙

(QTY 1): 25 KV LOW-VOLTAGE WINDING BUSHING∙

(QTY 1): 25 KV HIGH-VOLTAGE NEUTRAL BUSHING∙

(QTY 1): 115 KV HIGH-VOLTAGE WINDING BUSHING∙

ANODIZED ALUMINUM OR STAINLESS STEEL WITH ENGRAVED BLACK LETTERING.

- DEVICE NAMEPLATES WITHIN THE CONTROL AND POWER CABINETS MADE OF

BUSHINGS MADE OF STAINLESS STEEL WITH BLACK LETTERING.

- EQUIPMENT NAMEPLATES FOR THE HIGH-VOLTAGE BUSHINGS AND LOW-VOLTAGE

LIFT POSITIONS

- AN ADDITIONAL LIFTING DIAGRAM NAMEPLATE INDICATING SLING LOCATIONS AND

CALCULATED X/R RATIO∙

PRESSURE AND VACUUM THE TANK WILL WITHSTAND∙

GOVERNMENT CONTRACT NUMBER∙

PLANT LOCATION∙

MANUFACTURING DATE∙

TABLE 7, INCLUDING THE FOLLOWING:

- CAST BRONZE OR STAINLESS STEEL WITH INFORMATION LISTED IN IEEE C57.12.00,

∙ NAMEPLATES:

- 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

IN CABINET DOOR FOR VIEWING.

ON SWING PANEL WITHIN CONTROL CABINET, WITH WEATHERPROOF WINDOW PROVIDED

- FIBER-OPTIC WINDING TEMPERATURE MONITOR (EXAMPLE: NEOPTIX, MODEL 408) MOUNTED

DOOR FOR VIEWING.

PANEL WITHIN CONTROL CABINET, WITH WEATHERPROOF WINDOW PROVIDED IN CABINET

- TRANSFORMER MONITOR WITH COOLING CONTROL (SEL MODEL 2414) MOUNTED ON SWING

FOR VIEWING.

WITHIN CONTROL CABINET, WITH WEATHERPROOF WINDOW PROVIDED IN CABINET DOOR

- ONE 10 PT. ANNUNCIATOR (EXAMPLE: SEL MODEL 2533) MOUNTED ON SWING PANEL

SERIES 24)

- LOCKOUT RELAY WITH TRIP COIL MONITORING AND INDICATORS (EXAMPLE: ELECTROSWITCH

∙ 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:

600 V, 30 A MINIMUM, 90 ºC RATED TERMINATIONS.∙ TERMINAL BLOCKS:

RESISTANT MALLEABLE CAST IRON WITH CAST COVERS AND LIQUID-TIGHT HUBS.

JOINT COMPOUND APPLIED. OUTLET AND JUNCTION BOXES ARE TO BE CORROSION

CHANNELS NOT ALLOWED. ALL CONDUIT THREADED JOINTS ARE TO HAVE A CONDUCTIVE

ALL WIRING TO BE RUN IN CONDUIT. WIRE RUNS THROUGH TANK REINFORCING∙ CONDUIT:

GROUND - GREEN/YELLOW

PHASE B - ORANGE; PHASE C - YELLOW; GROUNDED NEUTRAL - WHITE; INSULATED

XLPE; 3-PHASE POWER CONDUCTORS COLOR CODED: PHASE A - BROWN;∙ WIRING:

POWER - 125 V DC; COOLING FANS - 480 V AC, 3-WIRE, 3-PHASE, 60 HZ

CONTROL POWER - 125 V DC; ANNUNCIATION∙ GOVERNMENT-FURNISHED POWER:

IN CONTROL CABINET. SOLAR SHIELDING ON TOP, FRONT AND SIDE PANELS OF ENCLOSURES.

PROVISIONS. WINDOWS FOR VIEWING THE TEMPERATURE MONITOR AND ANNUNCIATOR

WEATHER-PROOF TYPE 304 STAINLESS STEEL WITH LOCKING∙ CABINET MATERIAL:

ABB RND2)

DUAL TANK NITROGEN REGULATOR CABINET WITH ELECTRICAL PACKAGE (EXAMPLE∙

(EXAMPLE: DBI-SALA, MODEL 8516691)

PORTABLE FALL ARREST SYSTEM ANCHOR POST WITH DAVIT ARM∙

RAPID PRESSURE RISE RELAY (EXAMPLE: QUALITROL, MODEL 900-FLA)∙

SCHAFFER MODEL R9)

ON-LINE DISSOLVED GAS AND MOISTURE CONTENT MONITOR (EXAMPLE: MORGAN∙

(EXAMPLE: QUALITROL, MODEL XPRD)

DIRECTED-FLOW PRESSURE RELIEF DEVICE WITH METAL DISCHARGE PIPING∙

OIL FLOW INDICATORS∙

OIL LEVEL INDICATOR (EXAMPLE: QUALITROL, MODEL 042)∙

WTI AND OTI GAUGES WITH RTDS (EXAMPLE: AKM)∙

2.5 KV CLASS, 45 KV BIL, 100 AMP∙ SFRA TEST SHIPPING BUSHING:

2.5 KV CLASS, 45 KV BIL, 100 AMP∙ CORE GROUNDS:

(ONE 600:5 CT MRCT, 0.3B-1.8 METERING ACCURACY, C400 MINIMUM RELAYING ACCURACY)

EXTERIOR WITH RESIN-IMPREGNATED SYNTHETIC (RIS) CONDENSER CORE DESIGN

25 KV CLASS, 150 KV BIL, 400 AMP, DRAW-LEAD DESIGN, COMPOSITE∙ NEUTRAL (H0):

INDICATING EQUIPMENT OR TRANSFORMER TEMPERATURE MONITOR SYSTEM)

(BUSHING CURRENT TRANSFORMERS AS REQUIRED FOR THE WINDING TEMPERATURE

BULK-TYPE, LOW-CORONA, LIGHT CONTAMINATION, 125 ºC TEMPERATURE RISE RATING

25 KV CLASS, 150 KV BIL, 6,000 AMP, PORCELAIN CONSTRUCTION,∙ PRIMARY WINDING (X):

C400 RELAYING ACCURACY)

CORE DESIGN (TWO 1,200:5 MRCT PER BUSHING, 0.3B-1.8 METERING ACCURACY,

COMPOSITE EXTERIOR WITH RESIN-IMPREGNATED SYNTHETIC (RIS) CONDENSER

115 KV CLASS, 550 KV BIL, 800 AMP, DRAW-LEAD DESIGN, ∙ SECONDARY WINDING (H):

UNUSUAL SERVICE CONDITIONS:

CELSIUS (SEE SHEET G-202)

36.4 DEGREESMAXIMUM AVERAGE AMBIENT AIR TEMPERATURE (24-HOUR PERIOD):∙

47.2 DEGREES CELSIUS (SEE SHEET G-202)MAXIMUM AMBIENT AIR TEMPERATURE:∙

TEMPERATURE OF 45 DEGREES CELSIUS.

∙ TRANSFORMERS ARE TO BE CAPABLE OF FULL LOAD OPERATION AT AN AMBIENT