Repair to 7000 GPH x 180 meter head pump motor set installed at pumping station Nakki Khoon, repair to 120000 GPH x 48 meter head HC pump motor set of unit no. 6 at pumping station Salmay stage-0 (Old) and repair to 150 KVA voltage stabilizer install

Amount

Repair to 7000 GPH x 180 meter head pump motor set installed at pumping station Nakki Khoon. The job involves unfastening of pump from base frame, suction and delivery, decoupling of pump and motor. Manual carriage of pump to road side and then shifting the same to workshop by mechanical transport. Job includes dismantling the pump and extracting damaged parts. Repair to pump shaft by way of welding, turning making bearing size, key way, making of check nut by way threading of shaft, fabrication / fitting of shaft bush-2nos, shaft neck ring-1no. gland plate-1no., check nut-2no. Providing and fitting of new bearings 7309-2nos. and 6309-1no. Repair to impeller-04 nos., body bushes-2nos. diffusers-2nos. bracket sleeves by turning and drilling. Complete job includes cost of material, skilled / unskilled labour charges, hire charges of tools and tackles, to and fro manual carriage charges and transportation charges. Rebate, if any, should be quoted separately.

Repair to 120000 GPH x 48 meter head pump motor set of unit no. 6 installed at pumping station Salmay stage-0 (old). The job involves unfastening of pump from base frame, suction and delivery, decoupling of pump and motor. Loading of pump with manual labour, tools and tackles in mechanical transport and shifting to workshop. Job includes dismantling the pump and extracting damaged parts. Providing and fitting of new shaft sluice shaft as per sample. Fabrication / fitting of shaft bush SS-2nos. gland plate-1no. Providing and fitting of new bearings 6308-2nos. Repair to bracket sleeves-2nos. impellers-1no. Complete job includes cost of material, skilled / unskilled labour charges, hire charges of tools and tackles, to and fro manual carriage charges between road side and pumping station etc. Rebate, if any, should be quoted separately.

Repair to 150 KVA voltage stabilizer installed at pumping station Salmay stage-0 (New) by way of disconnecting all electrical connections and making temporary arrangement for running of system. Draining the transformer oil, dragging the stabilizer outside the pump room by deploying manual labour and with the help of tools and tackles. Making of temporary arrangements so as to protect the stabilizer from water during the repair work. Unfastening of nuts bolts and opening the top cover and then dismantling of complete unit by way of chain pulley block, tripod stand to draw out its damaged coil-01-no. Rewinding of coils with superior quality copper wire / strip, insulation material and varnishing complete. Providing and fitting of new rotary switches-02nos. Job also includes providing and fitting of new voltmeter, ampere meter, phase indicators set and replacement of panel wiring etc. Soldering the internal connections and tapping it. Lowering of stabilizer assembly inside chamber using chain pulley block and other tools tackles and shifting at desired location. Refilling of transformer oil after filtration and dehydrating it by heating / boiling to remove moisture and topping additional 100 liters transformer oil. Making all incoming and outgoing electrical connections and testing the stabilizer on no load at least for 6 hours and then on full load. Complete job includes cost of material, hire charges of tools & tackles and labour charges.

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works