Repairing/ Rewinding of 300 kW, 3,3 kV, 1490 RPM NGEF Make Sq. Cage Induction motor installed with Old series pump of Pit Bottom Pumping Station of Chinakuri Mine - 1 under Sodepur Area.

Amount

Items Description

Dismantling the complete motor

Cleaning and decarbonising of stator core slots

Supply of E/I, grade super-enamelled copper conductor.

Insulation with 'F' class Insulation materials of stator coils with varnish after proper baking

Supply of tape suitable for H.T. motor

Supply of nomex paper for stator core Insulation.

Supply of varnish suitable for H.T. motor.

Supple of thinner suitable for H.T. motor.

Cost of H.T. XLPE cable 70 sq mm.

Taking out of the coils from the stator slots

Formation of coils with converted DGC copper conductor

Inter layer Insulation of the coils to be done with kafton tape

Labour charges for insulation of over hauling portion on the coils with GMP & GM tape

Inserting of the coils into the core slots in chronological manner

Supply & Fixing of silicon base glass wedges

Fabrication of both side bearing housing of the motor after making pattern MS casting machining & appropriate size as per original covers(2 Nos)

Supply of 2 nos bearing (i) DE-Nu-322 C3 (ii) NDE- 6319 C3.

Final assembling of the motor in all respect and testing by appropriate supply voltage

Transporting charge

Less scrap value

Overhead Cost and Others

Add: CMPF @ 12%

Add: Bonus @ 8.33%

Add: Pension @ 7%

Total impact of GST for the purpose of CTC

ROY ENTERPRISE (BID ID -1102685)

NEW ELECTRICAL CONCERN (BID ID -1102686)