Repair to 4 cusec x 64m head pump 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. Repair of pump shaft by way of re-metaling using good quality electrodes, machining, turning and finishing to required size as per sample. Repair to impeller by way of welding, turning and finishing to required size. P/F of shaft protection sleeve 02 nos., impeller guide ring 02 nos., gland bush 02 nos. bearing housing sleeve-02 nos., gland plate 02 nos. and Gland stud- 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. Refitting/installation of repaired impeller shaft assembly in the 4 cusec 64 m head pump body 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 after providing and fitting of Coupling bolts-08 nos. along with rubber bush as per sample and checking for alignment. Providing of gland packing (Size 10mm & 12mm)-4 kg 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-II 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 and shifting back to site. Installation of the stem rod disc assembly with nut and gland bracket into the sluice valve body. 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. Job includes 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 rubber sheet for flanges with p/f of new nuts and bolts along with washers. Re-assembling and fitting the same to suction pipes in sump tank with the help of manual labour and testing them. Job also includes repair to the exit gate of size 5 feet x 4.8feet installed in intake sump at LIS Seen Thakran by way of dismantling of winch machine. Extraction of gate outside the frame using manual labour and tools & tackles. Shifting of the winch machine and stem rod to the workshop. Repair to winch machine by way of providing and fitting of new gear, worm, bearings and bushes as per sample, straightening of the stem rod in bench press and reassembling. Shifting back to site. Reinstallation at site and washing / cleaning with kerosene oil or any other solvent to make the entire gate elements dirt free. The job includes complete removal of old paint by using sand paper, wire brush and thin metal strips etc. Complete painting of the gate and winch machine with one coat of metal primer and two coats of black paint. Greasing the winch assembly and guide channels adequately using standard quality grease. 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 and rebate on old parts. Complete Job.

M/S TRIKUTA ELECTRICAL & MECHANICAL WORKS (BID ID -2398298)

GS ENGG WORKS (BID ID -2398244)