Replacement of components of 50000 GPH x 20 MH HC Pumpset (Unit No.6) at CPS Tawi low lift and 50000 GPH x 160 MH x HC Pumpset (Unit No.01) and allied works installed at CPS Tawi High lift

Amount

Replacement of components of 50000 GPH x 20 MH HC Pumpset (Unit No.03) and allied works installed at CPS Tawi low lift . Repair to the pumpset by way of dismantling the pumping unit from the base frame, carriage and shifting to work shop and then dismantling of pump set. Fabrication of new pump shaft. Repair to 1no.impllers by brazing and turning on lathe. Providing and fitting of neck rings 2 nos., centre guide, packing bushes, check nut as per sample size. Providing and fitting of bearings –at the end as per sample. Providing and fitting of glands with studs on both sides of the pump with nuts. Repair to bearing Housing sleeves and providing and fitting of packing material .Assembling and refitting of pump set and shifting to site. Assembling the pump set. Repairs to the motor by way of dismantling all electrical connections and extraction of rotor from the motor. Repairs to the rotor shaft by remetaling, turning, finishing to bearings size. Providing and fitting of bearings of required specifications at both ends and greasing them. The Job also includes the cost of material and assembling the motor. The job also includes carriage of pump unit to and fro from pumping station. Making proper positioning leveling and alignment of the pumping unit i.e. pump motor and testing the unit on full load at site. Job includes cost of material, labour and carriage charges.

Replacement of components of 50000 GPH x 160 Mtr. head HC pump set unit No. 1 at Tawi high lift Pumping station by way of disconnecting of three phase power supply and dismantling of HC pump set from the base frame. Dragging and loading of the Pump set in the Mechanical Transport with the help of manual labour and carriage to the workshop. Dismantling of the pump set and segregation of parts with the help of tools and tackles. Fabrication and fitting of pump shaft as per size and specification including making of key ways and cotters. Repair to 3 nos. impellers by brazing and turning on lathe machine. Fabrication and fitting of neck rings, 2 nos. gland bushes. Providing and fitting 2 nos. bearing at NDE and 01 No. at DE of required size and specifications , studs with nuts as per size and specification. Assembling of the pump set. Shifting of the pump set back to station and fitting at its installed position. Making of electric connections and testing of the same on full load. Repair to 240 hp motor by way of dismantling of motor and extraction of rotor from the stator. Rebuilding of rotor shaft by way of welding at damaged portions by using special welding electrodes, turning, polishing and checking of alignment of the rotor shaft. Fabrication and fitting of sleeves for bearings. Providing and fitting of 2 nos. bearings as per size and specification. Assembling of the motor, fitting it at its installed position and testing of the same on full load at site. The complete job includes cost of material, labour charges and hire of mechanical transport.

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works