Complete repairing /rewinding of 300 KVA, 11KV/550V Transformer and two nos. 40HP/ 30KW, 960RPM, 550V, induction motor under Madhaipur Colliery.

Amount

Complete repairing /rewinding of two nos. 40HP/ 30KW, 960RPM, 550V, induction motor under Madhaipur Colliery. (Inclusive of EPF/CMPF)

Cost of super enamel copper wire

Supply of insulating Material

Supply of flexible lead with socket

Supply of decarbonising core slot clean

Supply of thinner & varnish

Dismantaling and refitting charge

Rewinding charge

Dismantaling of broken rotor shaft

Supply of new rotor shaft (EN 24)

Making rotor shaft as per dimension oroginal

Refitting of rotor shaft by using hydraulic

New making key and proper size nut

Profit @ 10%

Transporting & Handling Charge

Less Scrap Value

Complete repairing /rewinding of 300 KVA, 11KV/550V Transformer under Madhaipur Colliery. (Inclusive of EPF/CMPF)

Dismantling of core & winding from Transformer Tank

Supply of new electrolytegrade copper strips for secondary coils

Cleaning copper strips of Primary coil

Re-insulation of primary & secondry coil

Supply of F-class insulation materials such as glass fiber board face separator , oil duct ect.

Reformation of primar and secondry coil

Supply wooden forme for the formation of coil

Supply of F-class vernish

Supply of thinner

Re-assembly of new coil with inter connection with copper blazing , 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 & 2 coat of Metallic paints grey)

O.H. & Profit @10%

Transpoting & Handaling Charge

Less Scrap Value

Total impact of GST for the purpose of CTC

MAZUMDER ELECTRICAL (BID ID -1129924)

NAYAK ENTERPRISE (BID ID -1129929)