Repairing and rewinding of 55 kW 550 V 3 phase motor and 6.6 kV/ 550 V 400 kVA TSU of Khottadih Colliery.

Amount

Repairing and rewinding of 55KW/75HP, 550v, 1470 RPM 3ph Motor at Khottadih Colliery. (Inclusive of EPF/CMPF)

Cost of copper superenamel wire

Cost of insulation require against copper

Labour cost fro insulation

Cost of striping motor damaged copper conductor

Cost of winding of motor

Miscellaneous cost

OH and Profit

Transporting cost including loading and unloading

Less Scrap Value

Repairing and rewinding of 6.6 kV/ 550 V 400 kVA TSU of Khottadih Colliery. (Inclusive of EPF/CMPF)

Dismantaning of core & winding from transformer tank

supply of new electrolyte grade 210/95 swg copper strips for primary coils

cleaning of 360/290 no swg copper strips of secondry coils with removel of old insulation.

Re-insulation cost of primary & secondry coils with removal of old insulation.

supply of f-class insulation materials such as glass fiber board face separatore, oil duct etc.

Re-formation of primary and secondry coils (borral type).

cost of E-poxy moulded 3.4/11 inch bushing insulator with current carrying contects for primary 6.6kv grade

Supply of wooden forma for formation of primary and secondary coils size- 40/11/9

Supply of ELMO LUFT 1A – FD class varnish

Supply of 234 SDS thinner

Re-assembly of new coil with inter connetion with copper blazzing , backing /heating properly to improve IR value upto requires level.

Repairing of tap changer switch.

Testing charge of Transformer

Painting of inner side of transformer by red oxide anti corrosive red oxide (paint & 2coat of metallice paints (Gray )

Less old unused copper stripes burnt primary coil

OH and Profit

Transporting cost including loading and unloading

Total impact of GST for the purpose of CTC

NAYAK ENTERPRISE (BID ID -1105412)

RAJ ENTERPRISE (BID ID -1105419)