Repairing/rewinding of one 190HP 550V, 1440 rpm CG make motor used for pumping at west section 23D/97L, one 65 KW, 550V Kirloskar make slipring motor used for 61 no. direct haulage, one 40HP 550 V 960 rpm SQI motor for CHP of Parbelia Colliery under

Amount

Items Description

Repairing/rewinding of one 190HP 550V, 1440 rpm CG make motor used for pumping at west section 23D/97L,

Dismantling of motor

Cost of new extra thick coated polyster based S.E. Copper Wire

Cost of 'F' class insulating materials.

Cost of thinner & Nomex paper.

Reformation of coils as per sample.

Cost of PVC 95mm' lead & jumper with Socketing

Fabrication of Wooden forma.

Repair of end cover by Welding & machining:

Re-mantling & Machining of rotor shaft in worm out bearing position.

Repairing of fixing of sleeves in bearing journal

Providing SR Ball bearing N6319 - 1No. + Roller bearing N319 - 1no.

Heating & testing of motor

Assemble the motor.

Labour Charges

Overhead cost & profit

Less: Scrap Value

Transporting cost up & down.

65 KW, 550V Kirloskar make slipring motor used for 61 no. direct haulage,

Dismantling and stripping of old existing burnt winding from the slots, cleaning & dressing of core with core varnish.

Cost of new copper conductor

Making wooden forma for proper size and shape of coils.

Cost of insulated materials, Nomex paper, glass tape & varnish.

Cost of glass fiber wedge

Cost of gass insulated leads with socketing.

Labour charges for Stator rewinding.

Less: Scrap Value

Dismantling of rotor binding both sides, taken out of old wedges from the rotor slots, de breezing of 120 nos. of sockets & Jumpers.-120Nos.

Dismantling of Rotor bar Top & bottom and taken out from the slots, cleaning, reannealing of the rotor bars.

Cost of new copper conductor

Insulation of cu: Bar by glass, Nomex tape & varnish.

Reformation of copper bar coils as per winding of slot.

Cost of slot insulating materials, separator and varnish.

Cost of glass fiber wedges.

Cost of breezing rod, oxyßen and DA.

Cost of both sides binding with resiglass tape.

Labour charges for Rotor (Bar winding).

Less: Scrap Value

Repairing, welding & rebuilding by welding and machining of both sides end cover's, bearing housing etc.

Cost of bearing DE side. (N-318)

Cost of Body bolt nuts and Painting.

Transporting cost up & down.

40HP 550 V 960 rpm SQI motor for CHP of Parbelia Colliery under Sodepur Area.

Cost of new copper conductor

Cost of Insulating Materials.

Cost of fabrication of wooden forma.

Cost of PVC Lead with Socketing 95 sq.mm

Heating, testing, missing nut-bolt etc.

Labour cost.

Less: Scrap Value

Repairing of bearing journal both sides as per bearing size

Rotor shaft welding & machining:

Providing New Bearing -2 Nos. (SR6313 & N316)

Overhead Cost & Profit - 10%

Transporting charges both ways.

Add: CMPF @ 12%

Add: Bonus @ 8.33%

Add: Pension @ 7%

Total impact of GST for the purpose of CTC

ELECTRO POWER INDUSTRIES (BID ID -1127649)

S.M. TRADERS (BID ID -1125174)