147/MID/AN

Repairs to 7 cusec discharge 21 mtr head HC pumping unit no. 1 along with allied works at LIS Aryanpura . The job involves decoupling of pump of unit no.1from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket by using suitable tools & tackles and skilled technicians..Carriage of the impeller shaft assembly by using manual labour, loading in transport vehicle, carriage to the workshop in the mechanical transport for repairs. Repair to impeller shaft assembly at workshop by way of dismantling and extraction of damaged parts. Job includes repairs to pump shaft and impeller at damaged spots by way of remetaling then finishing to proper size so the shaft and impeller should be balanced. Providing and fitting of new bushes-2 Nos., neck rings ( 2 nos.) as per sample and applying sufficient amount of grease to avoid excessive wear and tear. Fabrication of glands and studs with nuts. Repair to bearing brackets. 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 studs. Providing /fitting of tyre for coupling along with nuts and bolts as per the sample. Coupling the pump with the motor . P/F of gland packing .Priming the pump .Testing the pump on full load . The Job includes cost of material, labour(skilled and unskilled), loading charges, hire charge of tool and tackles, to and fro carriage charges.

Repair to 100HP oil immersed star delta starter of pumping Unit No.02 installed at site of LIS Aryanpura . The job involves disconnecting the starter and shifting to workshop by mechanical transport . There after dismantling of starter at workshop and complete replacement of worn out G.M nuts and washers, copper fingers, contacts,(moving and fixed) as per sample. Replacement of burnt up transformer coils by providing / winding of new coils with superior quality copper wire as per required gauge and turns. Drainage of T.oil. Proper cleaning of tanks by removing the deposited carbon and other deposited material. Heating of T.oil to make it completely moisture free. Providing/filling of T.oil 05 ltrs. Approx. Shifting the starter to LIS . Replacement of worn out/burnt copper thimbles of cables by p/f of new thimbles duly crimped and taped. Connecting power supply & testing on load. Complete job includes the cost of material, labour charges and other misc. charges at site. Complete Job

Repairs to foot valve (300 mm dia ) of pumping unit no.1 installed at LIS Aryanpura. 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. After drying them completely, carrying out necessary repair works on the valve surfaces and flanged joints by welding using good quality electrodes. Complete repair to the damaged flap seat, flaps 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 valves to the respective suction lines 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

G S ENGINEERING WORKS

BEE AAR ENTERPRISES