Repair to 50000 GPH x 158 meter head HC pump set of unit no. 2 at pumping station Salmay stage-1t and repair to 50000 GPH x 30 meter head HC pump set at pumping station Salmay stage-0.

Amount

Repair to 50000 GPH x 158 meter head HC pump set of unit no. 2 installed at pumping station Salmay Stage-1st. The job involves disconnecting incoming main power, decoupling of pump from motor, unfastening pump from base frame, suction and delivery, fitting blind flange on open delivery side and subsequently shifting the pump to workshop. Dismantling the pumping unit and extraction of internal parts followed by providing and fitting of new SS shaft as per sample, turning and finishing the main shaft to the original bearing size. Providing / fabrication and fitting of new impellers-3nos. neck rings-5nos., spacer bush-5nos., protection sleeve 2 nos., gland bush-2no., chuck nuts-2nos. and diffuser bushes 02 nos. The job also involves repairing of impellers 03 nos., and diffusers 04 nos. Providing and fitting of new bearing housing assembly at non driving end alongwith new bearings of motor 410-1no and 6410-1no. at NDE / DE, in lieu of damaged bearings and assembling of pump set. Job also includes providing and fitting of bearing house sleeve of motor brackets. Job also includes providing and fitting of new bearing 6321 and 6319 with proper greasing and closing the side covers. Fitment of pump on base frame and coupling of pump with the motor after making proper leveling and alignment. Making electrical connections and testing the pump and motor on no and on full load. Complete job includes cost of material, labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted separately.

Repair to 50000 GPH x 30 meter head pump installed at pumping station Salmay stage-0. The job involves decoupling of pump from motor extraction of damaged parts. Repair to pump shaft by way of welding, turning and making bearing size and key way, fabrication / fitting of shaft bush-2nos. neck ring-1no. gland plate-1no., brazing and turning to impeller . Providing / fitting of new bearings 6309-1no and 3309-1no. on DE and NDE side in lieu of damaged bearings. Assembling of pump set and fitting at unit no. 2 coupling with motor and making proper alignment. Job further includes fabrication and fitting of new coupling pulley with runts, bolts and rubber bushes by replacing old coupling pulley set. Complete job includes cost of brackets-6nos. material and labour charges.

AADISHWAR ELECTRICAL AND MECHANICAL WORKS (BID ID -2321381)

Vaibhav Engineers and Technocrates (BID ID -2320909)