Repairing n Rewinding of Marson make 1MVA, 11KV 3.3KV Power Transformer of P.J. Unit, Bahula Colliery Under Kenda Area

Amount

Item Description/ Heading

Dismantling core and winding from Transformer tank after drain out of transformer oil, opening of top cover etc

Supply of new electrolyte grade copper conductor for primary coil

Decarbonizing and cleaning of balance conductor

Insulation of bar copper conductor for primary and secondary coils by covering double coated manila paper

Formation of coil after rewinding of primary and secondary coil including supply of required insulation materials (Primary coil 333kg + secondary coil 194 kg)

Cost of insualtion materials, varnish, pre compress board paper, oil duct, cotton tape, webbing tape etc

Cost of wooden forma for formation of primary and secondary coils

Providing neoprene gasket of top cover, inspection cover, insulator etc

Cost of brazing rupaton rod, oxygen, DA for brazing all the primary and secondary connectors

Fitting of core channels, primary and secondary coils and winding in the transformer tank

Supply and fitting of new insulator with Cu studs, Cu nuts, bolts washer for secondary sides

Supply and fitting of tap changer switch including mechanism arrangement and alignment with transformer tank

Labour charges

Dehydration and filtration of transformer oil

Less scrap value

Transportation charges

Total impact of GST for the purpose of CTC

ROY ENTERPRISE (BID ID -1122966)

NEW ELECTRICAL CONCERN (BID ID -1122967)