Repairs to 5 cusec 20 HP Pumpset of pumping unit I at LIS AIK D-9 and Repairs to 63 KVA Electric Transformer along with allied works at LIS Rathana.

Amount

Repairs to 5 cusec 20 HP Pumpset of pumping unit I at LIS AIK D-9

Repairs to 5 cusec x 10 meter head end casing pump by way of decoupling of 20 HP motor of pumping unit no I from pump and then dismantling the motor and pump from the base frame. Carriage & shifting of dismantled motor and pump of LIS AIK D-9 on head load to roadside using manuallabour and then to workshop by carriage vehicle. Repairs to 5 cusec x 10 meter head pump by way of dismantling spiral casing pump of pumping unit no I 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 6408 and one number thrust bearing number 51310, 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. Completely cleaning of bearing housing to remove dust and metal residue. 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. Repairs to 20 hp motor of pumping unit no I 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 of welding, turning and finishing to required size. Providing and fitting of new bearings-2 no’s on driving and non driving end, bearing plates- 2 no’s, end terminals, nuts and bolts. Repairs to coupling pulley of pumping unit no I 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. Repair to 20 HP starter oil immersed, double contact of pumping unit no: III by way of extracting the damaged contact points of copper both moving and fixed thimbles, no volt coil, tripping system , overload relay and replacing the same with new ones. Providing /filling of new T-oil 5 ltrs . The job includes cost of material, labour charges, installation and testing charges at site. Complete job. .

Rebate on Old Parts

Repairs to 63 KVA Electric Transformer along with allied works at LIS Rathana.

Disconnecting of the 63 KVA electric transformer from the input and output connections, loading of the electric transformer from its installed position by using manual labour, chain pulley block and tripod stand, then to workshop by using transport vehicle. Dismantling of the 63 KVA transformer at workshop by way of extracting out the damaged coil, LT bushes, HT bushes, damaged insulator, rubber gasket, copper nuts and bolts. Rewinding of 3 nos copper coils with appropriate gauge with proper tapping and insulation. Providing and fitting of LT and HT bushes rod sets, new insulator ,rubber gasket, new copper nuts and bolts, new aluminium thimbles for LT Cables, lowering of the coils inside the sump of the transformer. Refixing of the top cover providing/ filling of T-oil in sump, new 90 ltrs T-oil for topping of transformer .testing the continuity of each phase and secure all connection. back shifting of repaired electric transformer at site, unloading and installed at site with the help of chain pulley block and tripod stand, manual labour, connecting of HT and LT supply . The job includes the cost of materials, labour charges, loading, unloading, testing and installation, tools and tackles used during the execution of job.

Rebate on Old Parts

GANPATI ELECTRICAL AND MECHANICAL WORKS

Amit Electrical and Engineering Works