Repair to 8000 GPH x 250 meter head pump motor set of unit no. 1 installed at pumping station Jib stage-1st (New) and repair to 10000 GPH x 250 meter head pump motor set of unit no. 3 installed at pumping station Jib stage-1st (Old).

Amount

Repair to 8000 GPH x 250 meter head pump motor set of unit no. 1 installed at pumping station Jib stage-1st (New) by way of disconnecting of all electrical connections, decoupling of pump from motor, carrying pump set from pumping station to road side by way of head load and then to work shop by mechanical transportation. Repair to old pump shaft by remetalling and turning to original bearing size and key way making. Providing, fabrication and fitting of new impeller 7nos, fabrication /fitting of neck rings 8 nos. diffusers 4nos., body bushes-8nos., shaft protection sleeve 2nos., gland plate-2nos. with check nut 2 nos. Providing and fitting of new bearings N306-2nos and thrust plate set-1no. Carriage of pump set back to pumping station by using manual labour tools and tackles and mechanical transport Repair to motor starter by replacement of all moving contacts and fix contacts, overload coils, no volt coils ,bakelite and providing and filling 08 liters transformer oil to the starter. Coupling pump motor set and making proper alignment and testing the pump set on load at site. Providing and fitting of nuts and bolts and leather flanges at delivery and suction side. Replacement of deformed nuts, bolts and rubber bushes. Job includes the cost of material / labour charges, shifting of tools and tackles and rebate on old parts.

Repair to 10000 GPH x 250 meter head pump motor set of unit no. 3 installed at pumping station Jib stage-1st (Old) by way of disconnecting of all electrical connections, decoupling of pump from motor, carrying pump set from pumping station to road side by way of head load and then to work shop by mechanical transportation. Repair to pump shaft by remetalling and turning to original bearing size and key way making. Providing, fabrication and fitting of new impeller 04 nos., fabrication /fitting of neck rings 8 nos. diffusers 5 nos., diffuser bushes-8 nos., shaft protection sleeve 2nos., gland plate-2 nos. with check nut 2 nos. Providing and fitting of new bearings 7308-2nos and N308-1no. Replacement of check valve 4” dia of suction side by providing and fitting of new one of reputed make. Carriage of pump set back to pumping station by using manual labour tools and tackles and mechanical. Replacement of copper thimbles of cables of the motor. Coupling pump motor set and making proper alignment and testing the pump set on load at site. Providing and fitting of nuts and bolts and leather flanges at delivery and suction side. Replacement of damaged nuts, bolts and rubber bushes. Job includes the cost of material / labour charges, shifting of tools and tackles and rebate on old parts.

Rishabh Electricals and Mechanical Works

N B Engineering and Electric Works