MID/AN/98

Repairs to 10 cusec discharge 33 m head H.C pump no. 02 at LIS Gurha-I . The job involves de-coupling of pump from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket and shifting to the workshop by using manual labour and mechanical transport. Complete dismantling of impeller assembly. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Providing/ fitting of 2no. bearings ( 6312) and 2 no. bush as per the sample .. Repair to bearing brackets. Providing/fabrication of neck rings as per sample. Providing/fitting of gland (1 no.) as per sample. Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F of new nuts,bolts and coupling with motor . P/F of gland packing etc.and testing on load. The Job includes cost of material, labour(skilled and unskilled), transportation charges, hire charge of tool and tackles .Complete job

Repair of 3.5 cusec discharge 36mtr head HC pump unit no. 03 installed at LIS Kotgarhi H/L.The job involves dismantling of the Pump by using skilled technicians .Taking out impeller shaft assembly and shifting the same to workshop by using manual labour and mechanical transport . Dismantling of the impeller shaft assembly and separating shaft, impeller and bushes. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . P/F of 2-No bearings(6309) & 1-No bush as per sample. Fabrication/Providing and fitting of glands ( 2 nos.) as per sample. Re-assembling of impeller shaft assembly & shifting back to L.I.S. Greasing of all the parts. Fitment of impeller/ shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Job also includes providing / fitting of gland packing , greasing work etc. Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles etc. Complete Job .

Repair of foot valve (300mm dia) of pumping unit no.3 installed at LIS Kotgarhi H/L The job involves disconnecting / dismantling of the foot valve assembly from the suction pipe by deploying manual labour and allied tools & tackles. Shifting / transporting to the workshop. Cleaning by washing with water to make the foot valves completely silt free.. Dismantling of damaged / worn-out foot valve mechanism with flap & rings .Fabrication of new flap along with the flap plate and hinges.. Providing / fitting of new rubber washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Fitting the valve to the suction line with replacement of damaged rubber gaskets of flanged joints and worn-out nuts, bolts etc. Complete job including cost of material, labour charges, transportation charges and hire charges for tools & tackles.complete Job

R K Electrical and Engineering Works

Chargotra Trading Co.