Providing, Installation, testing and commissioning of IS reputed make submersible pump-set along with allied works at Tube well cum P/s Domana of Raipur Domana Section under UT Capex Budget 2023-24 (ongoing)

Job involves extraction of 6 inch dia column pipes- 09 nos. after disconnecting the power connections from starter panel, disengaging from delivery bend and extracting out all the pipes. Providing, Installation, testing and commissioning of 20000 GPH (90.80mᶾ/Hr) X 60 Mtr (01 no.) as per IS reputed make submersible pump-set along with allied works at Tube well cum P/s Domana. 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 Casing wearing rings shall be of bronze material. 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, 400 Volts + 15% of frequency 50 Hz + 3%. 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 un-favorable running conditions. The upper chamber of the submersible pump shall be duly fitted with an NRV so that during stoppage of submersible pump-set reverse water cannot operate the pump-set in reverse rotation. The job involves fabrication of adopter Nipple/reducer nipple approx 0.5 mtr long fabricated out of MS Pipe. Fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple, fabricated out of 40mmx6mm MS Plate as per required size at site. The upper ends of these flat strips should be welded with full threaded bolt 12mm dia. and 10 cm long. Job involves p/f of submersible cable of 25sqmm-80mtrs. in length. The job involves p/f of 250 amps-MCCB-01 no. to the LT control panel of SPS and providing and fitting of 250 amps- MCCB -01 no. and MNX-110 1 no. to the LT control panel of 65 HP Slow speed HC pump. Making of Electrical connections with requisite tools tackles, crimpling, thimbling patching, taping etc. with new submersible pump set. Lowering of submersible pump-set into the Tube well along with column pipes and requisite material such as rubber flanges, nut/ bolts etc. by using special tools and tackles. Making all electrical connections of Submersible Pump-set with LT control panel by proper thimbling and crimpling all cable ends and then testing and checking for specified amperage on full load. Providing and Fitting of 3.5 core 185 mm sq. Aluminium armoured service cable 40 mtrs in length at Domana New. Complete job includes cost of material, cables, to & fro charges, labour charges, etc.