Complete rewinding and repairing of (1) 500KVA 11KV 440Volt (2) 100KVA 11KV 440Vol Lighting transformer, (3) Maintenance of 500KVA 11KV 550V 440V transformer of Diamond Sub station and 250KVA 11KV 440Volt transformer of 11KV and 100KVA 11KV 440Volt

Complete rewinding and repairing of 500KVA 11KV 440Volt Lighting transformer Sl.No.T 05 installed at 11KV 5&6 Pit Sub station

Dismantling of core & winding from Transformer tank drain out of Transformer oil opening of top cover etc.

Cost of Bare copper conductor for primary coil

Cost of Bare copper conductor for secondary coil

Cost of TPC (Tripple paper covering for Bare copper conductor.

Cost of insulation materials cotton tape, glass tape, pacement paper, synthetic cork sheet, nomex paper etc.

Cost of DA Oxygen, Brazing rod

Cost of neoprene synthetic gasket at top cover and inspection cover

Dehydration & filtration of transformer oil to raise the di-electric strength of oil up to required value

Cost of Primary Terminal bushing with current carrying

Cost of secondary Terminal bushing with current carrying contacts

Fabrication cost with supply of MS sheet to housed the Secondary terminal Insulator.

Labour charges for formation of coil assy. Of coil and interconnection

Installation of above transformer at sub-station with precommissioning testing

Complete rewinding and repairing of 100KVA 11KV 440Volt Lighting transformer of Majhi Para installed at Old Shankarpur Substation, (B) Maintenance of 500KVA 11KV 550V 440V transformer of Diamond Sub station (C)maintenance of 250KVA 11KV 440Volt transformer of 11KV old Shankarpur Sub station (D) maintenance of 100KVA 11KV 440Volt transformer of 11KV Old Shankarpur Sub station (E) maintenance of 100KVA 11KV 440Volt transformer of administrative Office sub-station and (F) maintenance of 300KVA 11KV 440Volt transformer of Old Shankarpur Sub station of shankarpur colliery .

(A) 100KVA 11KV/400Volt Lighting transformer :- Cost of DPC coated aluminum wire

Cost of Insulation materials

Cost of cork sheet, rupaton rod DA, Oxygen

Cost of brass stud with insulator brass

Cost of decarbonizing core & tank, cleaning

Cost of wooden forma for coil making

Cost of varnish & thinner

Repairing of tank & damage cooling pipe

Rewinding charges

Supply and installation of 4POLE MCCB 36KA DZO-125D 100-125Amps. (As per price list 4Pole MCCB @ Rs.17700/-& Base plate + L/cost @ Rs.3000/-)

(B)500KVA 11kv/550V-440V Drain out of Transformer oil in Empty oil barrel & after maintenance Top up the same

Dismantling & re-fixing of Primary, secondary side studs bushing including new gasket fixing primary side 3nos.,

Dismantling top cover, inspection chamber conservator tank, Ex-Vent pipe etc,. with new gasket fixing including all materials supply.

Supply of insulating materials for N/A tape, Paspon paper, cotton tape, HT monoplus tape etc.

Filtration of transformer oil

Supply and fixing of primary stud with insulator.

Maintenance of 11KVx400Ampsx3Post Gang operating switch

©250KVA 11kv/440Volt Transformer Supply & fixing of brass stud with insulator

Drain out of transformer oil in Empty oil barrel & after maintenance Top up the same of 250KVA 3.3KV/440Volt

Dismantling & re-fixing of Primary, secondary side stud bushing including new gasket fixing.

Dismantling Top cover, inspection chamber conservator tank, Ex-vent pipe etc. with new gasket fixing including all materials supply

Supply of insulating materials for N/A tape, paspon paper, cotton tape, HT monoplus tape etc.

Filtration of transformer oil.

(D) 100KVA 11KV/440Volt transformer :- Dismantling of top cover, inspectionchamber-3nos. conservator tank, vent pipe & HV & LV connection box with new gasket fixing including all materials supply.

Drain out of transformer oil in empty oil barrel & after maintenance top up the same

Disconnection, dismantling & reconnection of primary, secondary cable

Dismantling & re-fixing of primary, secondary side studs bushing including new gasket fixing.

Dismantling of top cover, inspection chamber, conservator tank, ex-vant pipe etc. with new gasket fixing including all materials supply

Supply of insulating materials for N/A tape, paspon paper cotton tape, HT monplus tape etc.

Filtration of transformer oll

(E) 100KVA 11KV/440Volt transformer Dismantling of top cover, inspectionchamber-3nos. conservator tank, vent pipe & HV & LV connection box with new gasket fixing including all materials supply.

Drain out of transformer oil in empty oil barrel & after maintenance top up the same

Disconnection, dismantling & reconnection of primary, secondary cable

Dismantling & re-fixing of primary, secondary side studs bushing including new gasket fixing.

Dismantling of top cover, inspection chamber, conservator tank, ex-vant pipe etc. with new gasket fixing including all materials supply

Supply of insulating materials for N/A tape, paspon paper cotton tape, HT monplus tape etc.

Filtration of transformer oil

(F) 300KVA 11KV/440Volt transformer Supply & fixing of brass stud with insulator

Drain out of transformer oil in Empty oil barrel & after maintenance Top up the same of 250KVA 3.3KV/440Volt

Dismantling & re-fixing of Primary, secondary side stud bushing Including new gasket fixing.

Dismantling Top cover, inspection chamber conservator tank, Ex-vent pipe etc. with new gasket fixing including all materials supply

Supply of insulating materials for N/A tape, paspon paper, cotton tape, HT monoplus tape etc.

Filtration of transformer oil

Transportation charges

Total impact of GST for the purpose of CTC

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