Complete repairing, maintenance and attending Emergency breakdown of Electrical installation such as of 04 Nos. of 33 KV, 800 Amps MOCBs and all 33 KV CTs, PTs, all GOAB, Busbar etc. and 11 Nos. of 6.6 KV control panel VCBs , 02 Nos. of 400 Amps etc

Amount

Item Description/ Heading

Winding temperature indicator (WTI) (Department Supply) (Quantity: 02 Nos.)

Oil temperature indicator (OTI) (Department Supply) (Quantity: 02 Nos.)

Supply of resistor unit wound in cylinder porcelain insulator with steel clamps, Nuts, Bolts at both end having resistance value 6.5 ohm each. (Department Supply) (Quantity: 12 Set.)

Vacuum Interrupter (Department Supply) (Quantity: 06 Nos.)

IDMT Relay, 3 O/C & 1 E/F Relay, Aux. voltage 110 V AC/DC (Department Supply) (Quantity: 03 Nos.)

Oil dash pot type overload relay (Department Supply) (Quantity: 10 Nos.)

Single phase Preventer (Department Supply) (Quantity: 05 Nos.)

2.5 sq.mm PVC insulated flexible multi stranded copper cable(90mtrs/ Roll) (Department Supply) (Quantity: 05 Rolls.)

1.5 sq.mm PVC insulated flexible multi stranded copper cable(90mtrs/ Roll (Department Supply) (Quantity: 05 Rolls.)

Copper Flat/Busbar (Department Supply) (Quantity: 30 Meter.)

Aluminum lug socket & Copper lug Socket (Department Supply) (Quantity: 01 LS.)

Tripping coil,50 Volts DC

Closing coil ,50Volt DC

Gasket

Crank Assembly

Dual Lever

Releasing lever Assembly

Upper Terminal (New type)

Lower Terminal (New type

Moving contact rod assembly

Upper fixed contact assembly

Trip Catch Assly.

Closing spring Assembly

Rupturing chamber cylinder

Closing Catch Lever Frame Assly.

Tripping coil Assly. (50 V DC)

Lower Housing Assly. Old type

Catch Lever Assembly

Complete set of Baffles with Tubular sleeves and Partition(in sets) consisting of (a) Top baffles assly. (b) Partition (c) Lower Baffle (d) Intermediate baffle (e) Tubular sleeve

HT aluminum bushing connector for CT

HT rubber seal bushing for CT secondary

Heavy duty Aluminum pad for 50mm Dia. Busbar to CT bushing stud.

HT oil seal for PT

Neoprine type oil cork sheet of size 900 mm× 600 mm, 8mm thick

Rubber bush

Bushing stud with Nuts and washers(For 33 KV Side)

Bushing stud with Nuts and washers(For 6.6 KV Side)

Neoprine type oil cork sheet of size 900 mm× 600 mm, 10 mm thick

Buch-holtz Relay complete set

Breather

Silica Gel

Mercury switch for WTI and OTI

Fiber Display cover

Glass plate for WTI & OTI

Twin core cable

Core balance current Transformer(CBCT) (Required for NGR, Field switch and VCB control panel)

Auxiliary contactor Relay, Coil voltage 24 V DC, 3 NO+1NC type

Support insulator

Push Buttons with accessories (Required for NGR control panel, VCB control panel and Field switches )

Indication lamp Assembly (for NGR control panel, VCB control panel and Field switches )

Supply of 45 Amps ,6.6 KV Grade HRC fuse

Copper Pig tail with sockets fitted at both ends for GOAB, Each 2.5 ft long

High tension bolt with Nut size 3’’ long for GOAB switches.

Aluminum pad(pipe to pipe) straight type 50 mm dia. (08 bolt Type)

Aluminum pad(pipe to pipe) 90 ˚ bend 15 mm dia. (08 bolt Type)

Aluminum pad connecting pipe 50mm Dia. to DOG conductor, 10 Bolt type

Aluminum pad connecting 33 KV GOAB to 50mm Dia. Busbar straight (08 Bolt Type)

Aluminum pad connecting 33 KV GOAB to 50mm Dia. Busbar 90 ˚ bend (08 Bolt Type)

Female/Fixed contact of 33KV, 1200 Amps, Double break knife type

Male/Moving contact of 33KV, 1200 Amps, GOAB switch

Post insulator of 22 KV grade

Female/Fixed contact of 11KV, 800 Amps, Double break knife type

Male/Moving contact of 11KV,800 Amps, GOAB switch

33 KV 1200 amp Rotating unit spindle

11 KV 800 amp Rotating unit spindle

Petroleum jelly, Emery paper and Cotton waste etc. for GOAB switch maintenance

Fixed contact Block Assembly, 400Amps with tip for OCB

Moving contact(poker), 400 Amps for OCB

HT fiber Arc chute for OCB

HT fiber connecting bar for OCB

Auxiliary switch Assembly

Shunt trip coil Assembly

Electrical release coil Assembly

Earth Leakage Relay

Rectifier capacitor unit, 63 Amp

Auxiliary contactor ,110V AC, 2 NO +2 NC

Ammeter, 96 sq.mm

Voltmeter, 96 sq.mm

Fuse base & carrier

TNC switch

Control Fuse

Master Trip Relay, 110 V DC

Auxiliary spares such as ferrules, control lugs, sleeves, cotton waste etc.

Resistance

PLA Relay

HT HRC fuse for PT

Nuts, Bolts, washers, PVC tape, dendrite etc.

Fibre Glass barrier set for Isolator

Complete checking, dismantling, oil draining (wherever required), repairing, re-assembly, maintenance and attending Emergency breakdown of Electrical installation such as of 04 Nos. of 33 KV, 800 Amps MOCBs and all 33 KV CTs, PTs, all GOAB, Busbar etc. and 11 Nos. of 6.6 KV control panel VCBs , 02 Nos. of 400 Amps OCBs with all capacitors, all Power Transformers and their NGRs, all Lightning arresters and 11 Nos. field switches (in mines pump house and other locations) including checking of all faulty equipments, checking their connections & rewiring of control circuits and all other electrical equipment & accessories related to 33 KV, 14 MVA main Sub-station of Balram OCP for one Calendar Year. (Requirement of 1 (One) skilled, 1 (One) Semi-skilled, 2 (two) un-skilled persons for a period of one year excluding Sundays and Paid Holidays).

Total impact of GST plus Labour Cess [@ 1 % (BOCW Cess to be deducted from the RA bill as per the value of the work progress)] for the purpose of CTC

M/S INDUSTRIAL ENGINEERING WORKS (BID ID -1159276)