Complete conversion of 11kv 550 v 500 kva power transformer to 3.3 kv 550 v power transformer installation and commissioning of CM project at Nakrakonda kumardihi B colliery under bankola area.

Amount

Item Description/ Heading

Dismantaling of core and winding from the transformer tank and cleaning of all parts of transformer property

Cost of bare super enamelled copper conductor for primary winding

Cost of bare super enamelled copper conductor for secondary winding

cost of TPC for bar copper conductor

Cost of insulator material cotton tape glass tape pacement paper synthetic cork sheet nomex paper

Cost of DA oxygen brazing rod

Cost of neoprene synthetic gasket at top cover inspection cover

Dehydration and filtration of transformer oil to raise the dielectric strenght ofoil top up to required value

cost of primary terminal bushing with current carrying cantacts

design charges of above transformer from 11kv 550 v to 3.3 550 v

Labour charges for formation of coil assy of coil and interconnection

cost of painting of the transformer by one coat of primer paint and two coat of metalic paint

Dismantling and assembling of the above transformer with pre commissioning testing such as 1. insulatiion resistance test2 high voltage pressure test3 vector group test4magnatic balance test 5voltage ration on all tap position 6 di electric test of trsnsformer oil 7 transformer oil acidity test

Cost of secondary terminalbushing with current carrying contacts

Total impact of GST for the purpose of CTC

ELECTRO POWER INDUSTRIES

CITY ELECTRIC