Major repair to 30000 GPH x 100 meter head HC pumpmotor set of pumping station Sounthian stage0 and providing, fitting by way of replacement of wornout damaged mechanical components of 25000 GPH x 175 meter head pump set installed at pumping station

Amount

Major repair to 30000 GPH x 100 metre head pump set of installed at pumping station Sounthian stage-0. The job involves decoupling of pump from motor unfastening pump from base frame, suction & delivery, opening of side covers of motors and shifting to workshop by manual carriage and mechanical transportation. Dismantling the pump and extraction of internal assembly. Repair of damaged shaft by way of turning and finishing it to the bearing size as per sample. Replacement of damaged / wornout main impeller 01 no. by way of providing of new impeller as per sample, diffusers 2 nos. Fabrication / fitting of 2 nos. impeller bushes. Providing / fitting of new protection sleeves 2no. Fabrication / fitting of neck ring-2nos., gland plates-2no., Providing and fitting of new bearings 3309-2nos. and 309-1no. at NDE and DE side. Job further includes replacement of damaged bracket of NDE side of the pump by way of providing and fitting of new bracket-01no. as per sample. Repair to suction and delivery by drilling and tapping. Job further includes repair to pump body by drilling, tapping, machining and finishing it upto impeller size. Job also includes repair to motor covers by way of fitting of sleeves corresponding to the bearing size Assembling the unit and shifting back alongwith side covers of motor to site. Fitment of pump on base frame, closing the end covers of motor followed by proper leveling, alignment. coupling of pump with the motor by way of providing and fitting of new coupling pulley as per sample. Job includes the cost of material, manual carriage charges, labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted separately.

Providing, fitting by way of replacement of wornout / damaged mechanical components of 25000 GPH x 175 meter head pump set installed at pumping station Rathian. The job involves disconnecting incoming power, decoupling of pump from motor, unfastening from base frame delivery & suction, plugging the pipe line to avoid back flow and subsequently shifting to the workshop. Dismantling, extraction of internal assembly. Repairing of pump shaft by way of remetalling, welding, turning and making it to the bearing size and key way cutting. providing and fitting of new impeller-5nos. as per sample, brazing and turning to damaged impeller-4nos. Fabrication / fitting of shaft bush-2nos., neck ring-7nos. gland plate-2nos., check nut-2nos. Job further includes providing and fitting of new diffusers-04nos. Providing and fitting of new bracket-1no. at NDE side alongwith providing / fitting of new bearings 7311-2nos. NDE and 311 at DE in lieu of damaged bearings. Assembling of pump set and shifting back to pumping station Rathian. Leveling, alignment, coupling pump motor, p/f gland packing and testing on load. Job includes the cost of material, labour charges, manual carriage charges and hire charge of tools and tackles etc. Rebate, if any, should be quoted separately.

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G S ENGINEERING WORKS