Public Health Engineering Department Tender

Providing, Installation, testing & commissioning of 5000 GPH x 80 mtr head Submersible pumpset along with allied works at Tubewell 1A(Mini), Gandhi Nagar Providing, Installation, Testing and Commissioning of Submersible pump set 5000 GPH X 80 meter head with allied works at Tubewell-1A(Mini), Gandhi Nagar . 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 unfavourable 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 to 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 adopter nipple, fabricated out of 40x6 MS Flat as per required size. The upper end 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 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. 46 meters along with the column pipes of mm diameter by using special tools and tackles viz chain pulley block, MS Clamp. Providing and fitting of 50sq.mm 100 Mtrs 3.5 core armoured Aluminium cable at Tube well. The cable should be of reputed make conforming to ISI standards with latest amendments if any. The Job includes patching of the submersible cable of motor by using patch rolls and insulation tape to make waterproof for lowering of submersible 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 electromechanical connections. The job also includes providing and fitting of delivery pipe 80mm Dia 3 meters long along with nipple and bends for filling of tankers conforming to relevant ISI/BIS CODES with latest amendments if any. Providing and fitting of 3 no halogen flood lights 20 Watt along with suitable gauge wire, holder and on/off switches. Providing and fitting in position of 4-pole, 3-phase HRC fuse unit steel encased main switch (100 A) of reputed make confirming to ISI standards for submersible motor at tube well no 1A (Mini) Gandhi Nagar. Design, fabrication of GI shed of size 6 x 6 x 10 ft(as per site conditions) on raised concrete platform along with electrification of shed for accommodation of electro-mechanical equipments. Design, Fabrication and Erection of C.G.I Sheet Shed of size 6' x 6'x 10’ having height of 10' one side and 9.5' on opposite side by way of fabricating frame structure out of ISM channel (MC) 100 mm -04 nos in vertical position. It includes straightening on press, cutting to size, removal of burs and welding in position, anchored/grouted properly at appropriate distance by digging pit in dense/ hard soil and disposal of waste material outside by head load. Then laying of R.C.C foundation blocks of size 2’x2’x3’ in ratio of 1:2:4 mix concrete for each vertical pillars. laying of cement concrete plinth of appropriate height above ground level all along the periphery of the shed for safety from raining water. And laying of concrete floor after filling of digged ground/floor with gravel and pebbles, Covering the shed with coloured CGI sheet fixing with the help of J-Hooks/riveting/self-drilling/self-tapping screws, nuts washers with appropriate overlap. Fabrication work for the roof of CGI shed required for assembling the coloured CGI sheets on MS frames for roofing with proper riveting and making slope as per the design of purlins. The roofing nails/riveting shall be placed at the top of CGI sheets corrugation. Steel work in built up tubular square or rectangular hollow tubes including cutting, hoisting, fixing in position and applying a primary coat of approved steel primer, including welding and bolted with special shaped washers etc. Fabrication of one no. of door of size 3’ x 6’ with angle iron frame and CGI sheet fixed on the angle frame of window and door. The window and door should be fixed with the handles and the latch bolt lock for the protection of electromechanical equipments. Complete in all respect. The sheet shall be fixed using self-drilling/self-tapping screws with EPDM seal, complete up to any pitch in horizontal/ vertical or curved surfaces, purlins, MS rafters and including cutting to size and shape wherever required. Detail of material to be used are as ISM 100 mm (MC), long tubular square or rectangular hollow MS pipe (40 mm x40 mm) heavy duty, coloured CGI sheets for total surface area (Roof as well as walls) Welding works using high quality electrodes, nut bolts, washers and J-Hooks as per site requirements Then complete electrification of newly fabricated shed by way of Providing and fitting of PVC pipes 1” dia., bends, junction boxes, hooks box 12 module 1 nos fixing using drill machine and anchoring with nuts & bolts. Complete wiring in shed by Providing and laying of copper wire 1 mm2 from main switch to different connections. Providing and fitting of pendant holders for complete illumination and then fitting of LED bulbs. Complete testing of each point with respective switches, complete job.The complete job includes cost of labour, material and other unforeseen charges.