Repairs to7 cusec x 16 mtr head discharge pump unit no. II alongwith allied works at LIS Aijipur Trewa and fabrication of saddle for suction pipeline for pumping unit no II along with allied mechanical works at lift irrigation station Rathana

Amount

Repairs to7 cusec x 16 mtr head discharge pump unit no. II along with allied works at L.I.S. AijipurTrewa

Decoupling of 7 cusec discharge pump unit no II from motor and then dismantling the pump and motor from the base frame. Carriage & shifting of dismantled pump and motor on head load to roadside using manual labour and then to workshop by carriage vehicle Dismantling of 7 cusec discharge split casing pump of pumping unit no II of LIS Aijipurtrewa 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. Properly cleaning the internal surface of pump.Repairs to pump shaft by filling the worn out portions with SS welding and then turning to bearing size and threading at positions of check nuts. Providing and fitting of SS impeller and turning to the original size. Providing and fitting 2 no’s of new bearing’s no. 6312 on driving and non driving end of the pump, 1 no’s gun metal neck rings, 2 no’s shaft protection sleeves, 1 no’s check nuts, nuts & bolts, fabrication of 2 no’s new gland plate with providing and fitting of 2 no’s new gland studs on ends of pump. Repair to bearing housing on driving and non driving ends of pumping unit by providing and fitting of bush, turning and fitting of bush to make inner diameter of bearing housing suitable for fitment of bearing. Reassembling all parts of pump with proper greasingof bearings and providing and fitting of gasket sheet between upper and lower part of the pump. Providing and fitting of graphite packing of suitable size on both ends of pump. Repairs to 70 HP motor of pumping unit no II by repair to rotor shaft by way of welding the positions of bearings and coupling pulley, turning and finishing making the area smooth and balanced. Providing and fitting of two number new bearings 6314 on driving and non driving end, bearing plates- 2 no’s, end terminals, nuts and bolts. Repairs to coupling pulley of pumping unit no II by way of rebuilding of holes on pulley by filling of metal with welding, drilling and boring of holes as per the required size of coupling bolts. Fabrication of bush and fitment on pulley to make the size compatible with pump and motor shaft. Providing and fitting of 8 no’s. new coupling nuts & bolts, rubber bushes, key way. Shifting back after carrying out repairs to pump and motor to site. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to & fro), tools & tackles etc. Complete job.

Rebate on Old Parts

Fabrication of saddle for suction pipeline for pumping unit no II along with allied mechanical works at lift irrigation station Rathana.

Designing and fabrication of MS saddle to support suction pipeline from lift irrigation station to intake point by way of dismantling existing suction pipe after cutting of damaged nuts and bolts. Stacking the pipeline at safe place. Fabrication of saddle support by using angle iron 45 x 45 x 5mm under the pipe for support. Total length of angle iron required will be 100 ft. The saddle structure must be properly welded to withstand the weight and vibrations of suction pipeline. The job included leveling of area below the supports of saddle inside water body and grouting the saddle with concrete mixture to support the weight of suction pipeline and vibrations. Installation of 300 mm diameter suction pipeline over the saddle with long boom crane, manual labour without damaging the fabricated saddle. Providing and fitting of 300 mm diameter suction pipe after replacing 22 ft length of worn out/ rusted suction pipe. Providing and fitting of MS flanges on the suction pipeline. Assembling of suction pipeline using new hexagonal nuts and bolts, rubber gaskets between all the flanges Painting of suction pipeline and saddle with one coat of red oxide primer and coat of black enamel paint. Complete job includes cost of material, labor charges, painting charges, crane charges, charges of civil work.

Rebate on Old Parts

Rishabh Electricals and Mechanical Works

N B Engineering and Electric Works