Public Works Department

Public Works Department has published Tender For Replacement Of Old Damaged Submersible Pump Set By Way Of Providing And Installation Of New Submersible Pump Set At Govt. Super Specialty Hospital Jammu- 1 Replacement of old Damaged Submersible Pump set by way of Providing and Installation of Submersible Pump set 10000 GPH X 140 mtr head along with submersible copper cable- 10 sq. mm -160 mtrs and other allied works. The suction case of pump shall be of close-grained cast-iron material. The motor should be three phase AC supply having nominal speed of 2900 RPM, 380 Volts + 15% of frequency 50 Hz + 3%, minimum 25 HP. 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 Pump-set must be of reputed make of Grundfos Pumps/KSB/ Kirloskar duly marked and conforming to relevant BIS/IS standards/ codes with latest amendments if any. The job further includes providing and fabrication of adapter assembly made out of medium class MS pipe externally threaded on one end to the delivery size of submersible pump and flanged on other end to connect column assembly pipe, stiffened with stiffeners made out of MS Plate cut to shape of suitable thickness. The Job includes the cost of material and labor charges. Fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter assembly, fabricated out of 40x6 MS Flat as per required size with turn buckle arrangement for regulating desired tension in tie rod clamp arm to hold pump motor assembly with column pipe well in position inside the tube well through adopter assembly. The Job includes coupling of pump and motor properly checking of movement of the pump, tightening of the adopter assembly 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 includes extraction of pump motor assembly from pumping position by extracting column pipes (total 18 Nos.)one by one 6 inch dia by removing old damagednut and bolts with the help of heavy duty crane.The job includes assembling of Pump Motor including adopter assembly followed by assembly of column pipes (total 18 Nos.)one by one by way of providing and fitting of new HT nuts & bolts with rubber gaskets to ensure water tight joints and lowering of the pumping unit to its pumping position inside the well. Providing and laying in position of flat 3 core copper submersible cable (preferable make Polycab / Finolex/ Havells) along column pipe assembly for connecting pumping unit set in the Tube well of sufficient length from pumping unit up to LT Control Panel for making electric connections for star delta starter with sufficient additional length of cable. The job includes repair to electrical panel of motor by way dismantling the old contactor and of providing and fitting of MNX 50 contactor-2 nos. The Job includes 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. Complete job including cost of material, labour charges for extracting and lowering, transportation, pumping unit and other connected components. . Last date of submission for this tender is 2025-02-20. This is a Submersible Pump tender in Jammu, Jammu And Kashmir