Repairs to 40 HP 3- phase induction motor at Lift Irrigation Scheme Kandikhan.

Amount

Dismantling of 40Hp motor from its respective base frame by opening foundation bolts, using chain pulley block and allied tools and tackles for carrying motor to the loading site, loading in private load carrier and shifting it to workshop for necessary repairs. Shifting back 40Hp motor to site after taking necessary repairs at workshop by loading in private load carrier and testing on full load after connecting 03 power supply connections. Dismantling of motor at workshop by way of disassembling the stator-rotor assembly . The job includes extraction of damaged windings from the slots of stator. Complete rewinding of stator coils as per sample of copper wire of standard size and quality. The weight of copper used is about 24 kg (rate 1300/Kg) Providing and fitting of insulating material in the slots of the stator including bamboo straps and latheride paper etc. Varnishing of the windings using good quality varnish. The job includes heat treatment process using conventional method. Reassembling of the stator rotor assembly carefully without causing any damage to the windings. The job includes refitting of motor at the site to ensure proper alignment with pump. Deduct the cost of old scrap as 80% weight of copper winding at S. no. 03 i.e. 19.2 for scrap

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