Installation testing and commissioning of submersible pumping unit of capacity 30000 GPH X 90 100 Mtrs head along with submersible cable and allied works at Tube Well Laxmi Narayan Mandir Gandhi Nagar Jammu

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Providing, Installation, Testing and Commissioning of Submersible pump set 30,000 GPH X 90-100 mtrs head with allied works at Tube Well Laxmi Narayan Mandir Gandhi Nagar Jammu. The pump bowl should 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 suite keyway provided. The suction case shall be of close grained cast iron material .The motor should 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 should be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The windings 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 Acceptable Make Grundfos / Kirloskar/ KSB. 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 should be welded with full threaded bolt 12mm Diameter and 10 cm long. These bolts are to be 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. 33 mtrs 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 work should be completed in all respect. Complete job. Providing and fitting of 25 sq. mm x 80 Mtrs approximately three core flat copper submersible cables at Tube well. The job includes making of connection of one end of the submersible cable with motor and other end with panel by first applying single layer of PVC insulation tape in clockwise on joint, then applying single layer of rubber compound tape in anti clockwise. The same procedure shall be applied to all the leads for making firm electrical connections. Then make all the leads together and applying single layer of rubber compound tape in anti clockwise starting from cable insulation in such a way to cover all the leads to protect from entering water inside the cable. Again applying PVC insulation tape in clockwise tape and take every time to stretch the tape. Providing and fitting of copper thimbles, crimping and insulating properly to joint at the panel end. Testing the cable on full load at site. Providing and fitting of 400 Amp MCCB of make Havells/ L&T/Anchor/Schneider along with multi strand copper cables and allied works for mounting it as per site conditions. Electrification of pump room by disconnecting of electric supply, removing all burnt and damaged cables, socket and switches. Providing and fitting of new buttons 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. Providing of one no pedestal fan of reputed make. Fitting of 2 Nos 40-watt LED Bulbs inside the pump room and 2 Nos 30-watt Flood Light outside the pump room with allied works for proper illumination. Complete job includes cost of material and labour charges. Complete Job

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