Repair to 50000 GPH x 130 meter head HC pumping unit no. 1 installed at pumping station Salmay stage-2nd (new) and replacing of 415v, 3 phase, 265 ampere rating LT control panel of pumping unit no.1 installed at pumping station Salmay stage 2nd (

Amount

Repair of 50000 GPH X 130 meter head pumping unit no.1 installed at pumping station Salmay Stage-2nd (new). The job involves disconnecting incoming main power, decoupling of pump from motor, unfastening pump from base frame, suction and delivery, fitting blind flange on delivery side and subsequently shifting the pump to workshop. Dismantling the pumping unit and extraction of internal parts followed by repair by way of fitting of new SS shaft as per sample turned and finished to the original bearing size. Providing, fabrication and fitting of impellers-2nos., diffusers-1 no., diffusers bushes-02nos, neck ring-3nos. spacer bush-3nos., protection sleeve 2 nos. gland bush-2no., chuck nuts-2nos., alongwith repairing of impellers 01 no., diffuser 02 nos. Providing and fitting of new bearing housing assembly at non driving end alongwith new bearings 410-1no and 6410-1no., in lieu of damaged bearings. Job also includes fabrication of coupling pulley set and thereafter assembling the pumping unit and shifting to site of installation, fitment on base frame and then coupling of pump with the motor after making proper leveling and alignment, making electrical connections, testing the pump motor set 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.

Repairing of 3 phase, 265 ampere rating LT control panel of pumping unit no.1 installed at pumping station Salmay stage 2nd (new). The job involves dismantling of all the incoming and outgoing power cables from the panel and shifting to workshop. The job involves extraction of damaged fault analyzer cum controller unit from the panel and then providing and fitting of fault analyzer cum controller units of same specification. Repair of star delta auto starter assembly of 265 ampere rating has to be carried out by extraction of damaged main delta power contactor MNX 265-2nos. from the starter assembly of panel of unit no. 1 and subsequently providing and fitting of contactors of same rating and specification of reputed make alongwith digital voltmeter and amperemeter-1no. each and internal control wiring-1no.and shifting assembled unit back to site and connecting with load. Testing of the equipment without load and thereafter on full load. Job includes the cost of material, labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted separately

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

Rishabh Electricals and Mechanical Works

G S ENGINEERING WORKS

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works