Providing Installation testing and commissioning of Submersible Pump set 12000 GPH X 100 mtr head along with 4 inch dia column pipes and other allied works at Tubewell Railhead

Providing, Installation, testing & commissioning of 12000 GPH x 100 mtr head Submersible pumpset along with 4“ dia column pipes and other allied works at Tubewell Railhead Providing, Installation, testing & commissioning of 12000 GPH x 100 mtr head Submersible pumpset along with allied works at Tubewell Railhead. The pump bowl shall be of close-grained cast iron with renewable wearing rings of bronze material. The pump shaft shall be 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 shall be of mesh type rigid sleeve of stainless steel, non-slipping type with matching groove and cotter arrangement to suit keyway provided. The suction case shall be of close grained cast iron material .The motor shall be three phase AC supply having nominal speed of 2900 RPM, 415 Volts ± 5% of frequency 50 Hz ± 3% and power rating of the motor shall be above the power consumed by the pump at duty point with next higher rating available as per standard size. The motor shall be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The winding shall be 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 shall be reduced to the delivery of Submersible Pump and threading the Pipe for screwing into the delivery portion to the submersible pump and other end of the adapter nipple shall be 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 adapter nipple, fabricated out of 40x6 MS Flat as per required size. The upper ends of these flat shall be welded with full threaded bolt 12mm Diameter and 10 cm long. These bolts are passed through the nuts welded on the adapter 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 adapter nipple to the delivery side of the pump, tightening of tie rod and testing of the pump set in the testing pit at workshop. The job also includes providing and fabrication of 4 “ dia MS pipes- 16 nos. All pipes shall be fitted with MS flanges of required size including fabrication of bend of suitable size as per site condition for connecting top most pipe to delivery side. The job also includes providing/fitting of MS delivery line 100 mm dia of required length upto the Rising main as per site condition. Providing rubber gaskets and nut bolts of required size and specifications. The top column pipe shall be fabricated by providing 1 No. MS flange of size 350mm dia so as to hold and make the complete connected column pipes with submersible pump motor set to rest on 300mm casing pipe. Lowering of submersible pump set into the Tube well to the pump position approx. 52 meters along with the column pipes of 4 inch diameter by using special tools and tackles viz chain pulley block, MS Clamp etc.The Job includes patching of the submersible cable of motor by using patch rolls and insulation tape to make waterproof for lowering of submersible pumping unit. Providing and fitting in position of 100 mm size CS sluice valve & reflux valve conforming to relevant IS/BIS CODES with latest amendments if any ,one no each including connection flanges, nuts, bolts, gaskets etc 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 electromechanical connections. Providing and fitting of copper thimbles of required amperes and cable connectors. The work shall be completed in all respect. Complete job includes cost of material, labour charges, carriages and other charges .Complete Job