Repairing/Rewinding of 315kVA, 3.3kV/550Volt TSU Trasnformer with Primary Switch of Narsamuda Colliery under Sodepur Area.

Dismantling of coils from core for weighment & fittings of reformed coils.

Cost of nut-bolts, paints & other hardware materials.

Cost of Silver brazing rod, DA, Oxygen etc.

Charges for fittings of reformed coils in to the limbs with required insulation materials.

Charges for assembling of T.S. Unit Transformer.

Charges for dry-out & testing of T.S. Unit Transformer.

Cleaning & decarbonising of old primary conductor.

Cleaning & decarbonising of old secondary conductor.

Cost of new electrolyte grade bare copper conductor.

Re insulation of old primary conductor into DGC/ Nomex insulation.

Re-insulation of old secondary conductor into DGC/ Nomex insulation.

Reformation of Disc. Type primary coils as per original shape & size with required materials.

Re formation of Barrel type secondary coils as per original shape & size with required materials.

Cost of varnish & thinner with baking, dry out at recommended temperature.

Less of copper scrap value

Providing of new Isolator.

Providing of telescopic Insulator.

Providing of base plate Insulator.

Providing of Male & Female contacts.

Providing of new moulded 3.3KV grade P.T.

Providing of Glass moulded board.

Providing of Overload set

Providing of Earth Leakage set

Providing of top bar complete set.

Providing of bottom bar complete set.

Providing of Volt Meter & Amp Meter.

Repairing of Arc-Chute with Hings.

Providing of Auxiliary wiring with required insulation materials.

Labour charge for the job

Overhead & profit @ 10%

Add. CMPF/EPF @ 12% on Labour charges

Add. Bonus @ 8.33% on Labour charges 8.33%

Add. Pension @ 7% on Labour charges

Both side transportation including hnadling charges.