eNIT-24

Amount

Complete strip re-winding of a stator of 425HP, 980 rpm, 3 phase solid shaft vertical type induction motor of pumping unit no. 06 at LIS Lethpora Stage-1st

Disconnecting of all motor leads, dismantling of 425 HP 3 phase induction motor, draining off the M-oil and collecting the same in a suitable pan, taking out the rotor from the stator, and complete disassembly as per requirement.

Mechanical transportation, loading, unloading and handling of stator of unit-6 of 425 HP 3 phase induction motor using Mini truck like Tata MOBILE, Bolero Camper or similar means of transport (approx. 225 kms).

The whole burnt-out copper strip windings is to be removed from the stator. Removing damaged insulation and then cleaning the slots by using fine sandpaper and a standard cleaning agent.

Complete re- winding of stator (Kirloskar make) by way of: Providing and fitting of finished new electrolytic grade copper strip windings with insulation in place of damaged windings including allied costs such as varnish (Becks or any other reputed make) drying, etc. Using F-class glass tape, F-class insulation and F-Class paper. Impregnation of the stator with a superior quality epoxy resin coating sprayed and drying the stator in an electric oven using proper heat treatment to remove any remaining moisture. Wastage @5% allowed on account of new copper strip.

Cost on account of providing and fitting of Epoxy Wedges of different sizes

Cost on account of Brazing (filler material), including brazing process for stator (involving LPG and Oxygen cylinder, including Carriage to and fro).

Providing and filling M-oil of standard make.

Assembling of all motor parts, coupling and alignment with pump, reconnecting of leads and testing on full load.

Rebate/cost deduction on account of damaged copper strips (@85% of 144kg) to be retrieved from the stator, which shall be retained by the executing agency.

BEE AAR ENTERPRISES (BID ID -2335369)

EVERGREEN ENTERPRISES (BID ID -2335692)