Repairs to 10 cusec x 75 HP Pumpset of pumping unit III at LIS Kothey Kalyana new and Repair to voltage Stabilizer 200 KVA installed at LIS Kothey Parlah old.

Amount

Repairs to 10 cusec x 75 HP Pumpset of pumping unit III at LIS Kothey Kalyana new.

Decoupling of 75 HP motor and 10 cusec discharge pump of pumping unit no III and then dismantling the motor and pump from the base frame. Carriage & shifting of dismantled motor and pump of LIS Kothey Kalyana New on head load to roadside using manual/skilled labour and then loading it on vehicle and carriage it to workshop and also shifting back after carrying out repairs of motor & pump to site. The job includes loading un-loading, manual/skilled labour, carriage charges of vehicle (to & fro), tools & tackles etc. Complete job. Repairs to 75 hp motor of pumping unit no III 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 new bearings N314-2 no’s on driving and non driving end, 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. Complete job. Dismantling of 10 cusec discharge 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. Providing and fitting of new impeller. Providing and fitting of 2 no. new bearings(6313), 2 no’s neck rings, sleeves, check nuts, 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 & suitable graphite packing. The job includes the cost of materials, labour charges, installation & testing charges at site. Complete job. Repair to 75 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 10 ltrs . The job includes cost of material, labour charges, installation and testing charges at site. Complete job.

Rebate on Old Parts

Repair to voltage Stabilizer 200 KVA installed at LIS Kothey Parlah old.

Repairs to 200 KVA voltage stabilizer of LIS Kothey Parlah old. Disconnection of all power connections and dismantling the top cover of voltage stabilizer. Extraction of inner core frame , draining of residual transformer oil, removal of worn out coils 3 nos , damaged rotary switch , bush rods,, nut and bolts etc. Rewinding of coils -3 nos, tapping and varnishing the coils with standard quality varnish. Providing/ fitting of new rotary switch , new brass nuts and bolts, bakellite sheets, copper thimbles and voltmeter: 1 no. After drying of the coils and removal of moisture, lowering the coils with the help of tools and tackles and fitment of gasket. Proving and filling of new T oil 160 litres for topping after filtering residual transformer oil . Making of all electrical power connections and testing on no load and then on full load. The job includes the cost of all materials , T -oil and labour charges including the cost of installation , commissioning and testing of the voltage stabilizer ( complete job)

Rebate on Old Parts

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works