Repair to 4 cusec x 64m head pump and 100HP motor along with allied works installed at LIS Seen Thakran

Dismantling of 4 cusec, 64m head split casing pump of pumping unit No II from the base frame at LIS Seen Thakran in district Udhampur after decoupling it from motor, taking out impeller shaft assembly after dismantling of pump body and dragging/carrying out from the pump house and then carriage to road side through hilly terrain by manual labour with the help of ropes, bamboos etc. Loading in mechanical Transport vehicle for shifting to workshop for its repair and carriage back in the same manner upto the site at LIS Seen Thakran. The job involves complete dismantling of impeller shaft assembly at workshop, i.e. bearings, sleeves, gland bushes, pump shaft and impeller etc. Providing and fitting of new pump shaft to replace the broken shaft by way of machining, turning and finishing the new shaft to required size as per sample. Repair to impeller by way of welding, turning and finishing to required size. P/F of shaft protection sleeves 02 Nos., impeller guide rings 02 Nos., gland bushes 02 Nos. and gland plate 02 Nos. P/F of bearing no 6309 at DE and NDE after properly cleaning of bearing brackets. Re-assembling all parts of impeller shaft assembly with proper greasing. Shifting of the repaired pump back to the site of installation. Fitting/installation of repaired impeller shaft assembly in the 4 cusec 64 m head pump at proper position on the Unit-II and closing the top cover by P/F of new nuts, bolts, studs, washers, rubber/paper sheet and gland packing along with greasing. Coupling with motor and checking for alignment. Providing of gland packing-2kg and grease-2kg for smooth operation of pumping units installed. Testing of the pumping Unit no. II on no load and then on full load for its smooth operation. Repair to 250mm Dia sluice valve of unit-I at LIS Seen Thakran by way of taking out of sluice valve from the delivery line after unscrewing/cutting the rusted nuts and bolts. Shifting of the damaged stem rod disc assembly and gland bracket to workshop. Providing, fabrication of new stem rod along with nut and gland bracket as per sample, shifting them back to site. Installation of the stem rod disc assembly with nut and gland bracket to the sluice valve. Re-assembling and fitting the same to delivery pipe by way of p/f of new rubber sheet, nuts and bolts as per site requirement. Repair to 250mm dia foot valves of of Unit-I, Unit-II and Unit-III at LIS Seen Thakran by way of dismantling foot valves from suction pipes in sump tank. Dragging out from sump with the help of manual labour using tools and tackles. Dismantling of foot valves and replacing the leather sheets cut to size along with flap, hinge pin, rubber sheet for flanges with required nuts and bolts. Re-assembling and fitting the same to suction pipes in sump tank with the help of manual labour. Job also includes repairs to 100HP motor of Unit no III at LIS Seen Thakran by way of decoupling the damaged motor from pump after disconnecting all the electrical connections. Dismantling of the motor at site by way of unscrewing of nuts/bolts and then extraction of rotor from the stator, extracting out old damaged/burnt copper winding from the stator, cleaning the slots of stator with appropriate chemical cleanser. Complete rewinding of the stator with new copper wires of requisite gauge and specifications. Providing and fitting of new insulation, packing material. Varnishing the stator winding with superior quality varnish and drying the stator winding. P/F of 1 No. bearing to Non Drive End of the motor as per sample. Reassembling the motor with the help of nuts/bolts/screws after inserting rotor inside the stator of the motor and checking the continuity of each phase. Fitting/installation of 100 HP motor of Unit no. III on the base frame and coupling it with pump and making all the electrical connections. Testing of the motor on no load and then on full load for its smooth operation. Complete job involves cost of material, skilled and unskilled labour charges, transportation charges, headload charges, hire charges of tools and tackles required for the job inclusive of all taxes as applicable. The rate quoted should be inclusive of rebate on account of old material.

M/S TRIKUTA ELECTRICAL & MECHANICAL WORKS

BEE AAR ENTERPRISES