Repairs to 8 cusec discharge x 15 mtr pumping unit III along with allied works at lift irrigation station Kohey Parlah Old.

Repairs to 8 cusec discharge x 15 mtr pumping unit III along with allied works at lift irrigation station Kohey Parlah Old.

Decoupling of 8 cusec pump of pumping unit no III from motor and then dismantling the motor and pump from the base frame. Carriage & shifting of dismantled pump of Lift irrigation station Kothey Parlah Old on head load through path in fields to roadside using manual labour and then to workshop by carriage vehicle. Dismantling of 8 cusec discharge spiral casing pump of pumping unit no III at workshop for extraction of all worn out/damaged parts i.e. pump shaft, impeller, bearings, sleeves, bush, check nuts, nuts & bolts, gland plate, gland studs. Cleaning of pump casing to remove sand and silt. Providing and fitting of new pump shaft as per the size and specifications of pumping unit, turning and threading of pump shaft at required portions for fastening of check nut and fabrication of groove for key way at the position of coupling pulley. Repairs to the impeller by filling cavities and cracks by way of metal filling and grinding to the original size. Providing and fitting of two number new bearings no’s 6412 and one number thrust bearing number 51314 , 1 no’s neck ring, shaft protection sleeve, check nut, nuts & bolts, fabrication of new gland plate with providing and fitting of 2 no’s new gland studs. Reassembling all parts of pump with proper greasing & filling of pump bearing housing with fresh M oil. Providing and fitting of graphite packing in pumping unit. Repairs to coupling pulley of pumping unit no III by way of fabrication and fitting of bush for coupling pulley on pump and motor side as per the size of pump shafts. Providing and fitting of 8 no’s. new coupling nuts & bolts, rubber bushes, washer, key way. Repairs to 75hp motor of pumping unit no III of lift irrigation station Kothey Parlah Old by extracting out old damaged winding manually and cleaning of stator slots. Complete rewinding of the stator by using standard copper wire of requisite gauge. Varnishing after rewinding of stator. Repair to rotor shaft by way metal filling with welding, turning and finishing to required size. Providing and fitting of new bearings-2 no’s on driving and non driving ends of the motor, bearing plates- 2 no’s, end terminals, nuts and bolts. Job includes cost of material, labour charges, fitting and installation charges of motor at site. The firm should quote rate including the rebate on old copper scrap. Back shifting after carrying out repairs of motor & pump to site. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to & fro), tools & tackles etc. Alignment of pump and motor. The job includes the cost of materials and labour charges. Complete job Note:- The tenderers are requested to visit the site and quote the rate including rebate on old parts as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions.

Rebate on Old Parts

Rishabh Electricals and Mechanical Works

N B Engineering and Electric Works