Repairing Rewinding of 6.6KV, 400KW NGEF make 986RPM Slip Ring Motor at J.K.Nagar Colliery under Satgram Sripur Area

Amount

Item description

Complete dismantling of all Rotor Coil from Core Slots (96 Nos.)

Cleaning & decarburizing of Rotor core slots

Cost of new electrolyte grade enameled copper Strip for 96 Nos Rotor Coil. (2.75Kg X 108Nos)=

Insulation of enameled copper strips by double fiber glass wool H class insulating varnished and baking as per required temperature.

Supply of GMP (Glass Mice Polyester) Tape of size 25 mm X 0.35 mm X 50 meter

Supply of Nomex paper.

Supply of Varnish suitable for HT motor.

Supply of thinner suitable for HT Motor.

cost of HT XLPE Cable 70 Sq.mm

Charges for re metalizing of both side bearing housing to hill up the worn-out portion to make actual bearing size.

Dynamic balancing of the Rotor.

Complete Motor Stator overhauling, cleaning & Re-Varnishing by F-Class and finishing varnish after proper heating with improvement of IR value.

Cost of Inter layer insulation of the coils to be done with kaftans tape.

Charges for formation of coils with the converted DGC copper conductor.

Charges for inserting of the coils in to the core slots in chronological manner.

Supply & fixing of Silicon base glass wedges.

Inter connection of Rotor bar with supply of tinned Cu. Socket with proper brazing.

Cost of epoxy binding of both end of Rotor with supply of all materials.

Final assembling of the motor in all respect and Pre-delivery testing.

Repairing & machining of above Motor Slip Ring.

Transportation of above Motor Both way Up & Down.

Less: Cost of unused copper wire.

Total impact of GST for the purpose of CTC

ELECTRO POWER INDUSTRIES (BID ID -1097801)

JUBILEE ELECTROMECH WORKS (BID ID -1099059)