Providing, Installation, Testing and Commissioning of 25000 GPH X 91 Mtr head Submersible Pump Set along with allied works at T/Well Low Paid under District Capex

Providing, Installation, testing & commissioning of 25000 GPH x 91 mtr head Submersible pumpset along with allied works at Tubewell Low Paid Providing, Installation, Testing and Commissioning of Submersible pump set 25000 GPH X 91 meter head with allied works at Tubewell Low Paid The pump bowl is of close-grained cast iron with renewable wearing rings of bronze material. The pump shaft is of stainless steel guided with stainless steel distance sleeves /shaft protection sleeves provided with each bowl above and below the stainless-steel impeller. The coupling is of mesh type rigid sleeve of stainless steel, non-slipping type with matching groove and cotter arrangement to suit keyway provided. The suction case is of close grained cast iron material .The motor is three phase AC supply having nominal speed of 2900 RPM, 415 Volts ± 5% of frequency 50 Hz ± 3% and power rating of the motor is above the power consumed by the pump at duty point with next higher rating available as per standard size. The motor is totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The winding is wet type water lubricated and provided with metal tilting thrust pad designed to take up all untoward load to most unfavorable running conditions. The Pump should be of reputed make conforming to ISI standards with latest amendments if any. The job further includes Fabrication of adapter Nipple approx. 1 meter long fabricated out of MS Pipe, of which bottom end diameter is to be reduced to the delivery of Sub. Pump and threading the Pipe for screwing into the delivery portion to the submersible pump and other end of the adapter nipple is welded with MS flange of required size fabricated out of MS Plate for fixing with the column pipe assembly. Fabrication of the tie rod clamping arrangement for clamping the pump and motor along with adopter nipple, fabricated out of 40x6 MS Flat as per required size. The upper ends of these flat is welded with full threaded bolt 12mm Diameter and 10 cm long. These bolts are passed through the nuts welded on the adopter nipple piece, tightening of double nuts on both sides. The Job includes coupling of pump and motor properly checking of movement of the pump, tightening of the adopter nipple to the delivery side of the pump tightening of tie rod and testing of the pump set in the testing pit at workshop. Lowering of submersible pump set into the Tube well to the pump position approx. 30 meters along with the column pipes of 150 mm diameter by using special tools and tackles viz chain pulley block, MS Clamp. The Job includes patching of the sub cable of motor by using patch rolls and insulation tape to make water proof for lowering of sub pump unit. Testing of submersible pump set on full load by making connections of submersible cable of motor pump set with the panel and checking/high testing of all the electro mechanical connections. The job also includes providing and fitting of 3.5 core 240 sq.mm Al. LT cable-35 mtr and Link sets towards HT side and 150mm Reflux valve of any reputed make confirming to latest ISI specifications. Complete job includes cost of material and labour charges. Electrification of pump room by disconnecting of electric supply, removing all burnt and damaged cables, socket and switches. Providing and fitting of new battens for laying of wires of required size. Providing and fitting of switches, bulb holders and sockets of required ampere in the pump room and outside the room for illumination. Fitting of 3 Nos 30-watt Flood Light outside/inside the pump room along with allied works for proper illumination. Complete Job