Rewinding/ repairs to 70 HP motor of pumping unit no 3 along with allied works at LIS Jakhole and Repairs to 4 cusec x 30 m head pump of pumping unit no. 3 along with allied works at LIS Didwara.

Amount

Decoupling of 70 HP motor from pump of unit no 3 and then dismantling the motor from the base frame. Carriage & shifting of dismantled motor on head load to roadside using manual labour and then to workshop by carriage vehicle. Repairs to 70 hp motor of pumping unit no 3 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 of motor. Repair to rotor shaft by way of welding, turning and finishing to required size. Providing and fitting of 2 no’s new bearings 6316 on driving and non driving end, end terminals, nuts and bolts. Job includes cost of material, labour charges, fitting and installation charges of motor at site. Complete job. Repair to 200 mm diameter sluice valve of pumping unit no 3 by way of dismantling at workshop for extraction of worn-out moving internal parts. Replacement of stem rod by providing and fitting new stem rod with square threads as per the size of sluice valve. Providing of new wedge nut with internal threading as per the stem rod. Providing and fitting new CI gland bracket along with gland packing. Reassembling of sluice valve checking operation for smooth movement. Repair to 200 mm reflux valve dia by way of dismantling reflux valve from delivery side of unit no. 3. The job involves extraction of broken flap of reflux valve. Providing and fitting of new flap with locking sheet. Replacement of hinge and hinge pin of the valve. Fitting of the valve on the delivery line with providing and fitting of new nuts and bolts along with rubber sheet. Complete job includes the cost of the material, to & fro transportation charges of the material, skilled labour charges etc. Complete Job

Rebate on Old Parts

Decoupling of 4 cusec discharge pump unit no. 3 from motor and then dismantling the pump and motor from the base frame. Carriage & shifting of dismantled pump on head load to roadside using manual labour and then to workshop by carriage vehicle. Repairs to 4 cusec x 30 meter head pump by way of dismantling spiral casing pump of pumping unit no. 3 at workshop by completely draining of old oil from the bearing housing and extraction of all worn out/damaged parts, i.e. pump shaft, impeller, bearings, sleeve, bush, check nut, nuts & bolts, gland plate, gland studs. Providing and fitting of new pump shaft after turning to bearing size and turning of threads on shaft as per the size and pitch of threading on check nut. Repairs to impeller by filing cavities, cracks and finishing to original size. Providing and fitting of two number new bearings number 6309 , 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. Repairs to the body of pump by the way of dismantling / removing of all existing studs and providing, fitting and fastening of new body studs with same threading as per pitch and module of threads on pump body. Completely cleaning of bearing housing to remove dust and metal residue. Repairs to bearing housing by metal filling and turning to bearing size. Reassembling all parts of pump with proper greasing & filling of pump bearing housing with fresh M-oil upto the required level. Assembling of pump with motor and connecting with suction and delivery pipes. Providing of new nuts and bolts with rubber gaskets. Providing and fitting of graphite packing. Rewinding / repair of 60 HP motor coupled with 4 cusec Horizontal Centrifugal Pump of unit No-1 by way of disconnecting all electrical connection, coupling pulley with nuts and bolts and foundation bolts of the motor at LIS Didwara by using suitable tool and tackles for shifting of motor from pump house to road site. Then loading in carriage vehicle and shifting the motor from LIS to workshop for rewinding. Rewinding of 60 HP motor of Unit no-I of LIS Didwara at workshop by way of 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 of welding, turning and finishing to required size. Providing and fitting of two number bearings on driving and non-driving end. Assembling the motor completely and pre-testing the motor satisfactorily. Shifting back the motor to the road side near lift irrigation station by carriage vehicle and then by manual labour to the pump room. Coupling of the motor -pump with the help of coupling pulley with coupling nuts and rubber bushes by using tools and tackles and manual labour. Fixing of foundation bolts of the motor to the base frame. Testing of the motor on full load. Complete Job Replacement of coupling pulley by way of fabrication of coupling pulley set of pumping unit no.1 as per sample and sizes of pump and motor shaft size. Providing and fitting of new coupling nut-bolt with rubber bushes and cotter. Re-installation of pump in proper alignment with 60 HP motor and testing on full load at site. Repair to reflux valve 250 mm dia. of unit no 2 &3 by way of dismantling reflux valve from delivery side. The job involves extraction of broken flap of reflux valve. Providing and fitting of new flap with locking sheet. Fitment of reflux valve after conducting repairs and testing on full load The job also includes complete painting of electro-mechanical components i.e pump- motor sets, pipes inside pumping station, suction pipes, valves etc of LIS Didwara by way of rubbing and scraping of the surfaces of the components with the sand paper. Application of one coat of metal primer with two coats of blue paints to the pump- motor sets and black colour to the valves, pipes and suction pipes. Complete job includes the cost of the material, to & fro transportation charges of the material, skilled/semi skilled labour charges etc. Complete Job

Rebate on Old Parts

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

G S ENGINEERING WORKS