Repairs to 5 cusec discharge pump unit No. II and 50 hp motor of pumping unit no II installed at Lift irrigation station Kothey Parlah new and lift irrigation station Kothey Parlah old and Repairs to 150 Kva servo stabilizer installed at Lift irrig

Amount

Decoupling of 5 cusec discharge pumping unit no II from motor of lift irrigation station Kothey parlah new and then dismantling the pump from the base frame. Decoupling of 50 hp motor of pumping unit no II from pump of lift irrigation station Kothey parlah old and then dismantling of motor from base frame. Carriage & shifting of dismantled pump and motor on head load through path in fields to roadside using manual labour and then to workshop by carriage vehicle. Dismantling of 5 cusec x 15 meter discharge split casing pump of pumping unit no II of LIS Kothey parlah new 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. Repair of pump shaft by metal filing of worn-out portions and turning to bearing size and threading at positions of check nuts. Providing and fitting of new impeller per the size of shaft, sample and finishing to original size. Providing and fitting 2 no’s of new bearing’s no. 6309 on driving and non-driving end of the pump, 2 no’s gun metal neck rings, sleeves, 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 turning and fitting of bush to make inner dia of bearing housing suitable for fitment of bearing. Reassembling all parts of pump with proper greasing of bearings and providing and fitting of gasket sheet between upper and lower part of the pump. Proving and fitting of graphite packing of suitable size on both ends of pump. Installation of pump at site and coupling with motor after proper alignment. Repair of coupling pulley of pumping unit no II of lift irrigation station Kothey parlah new by way of repair to pulley as per size of motor and pump shaft. Providing and fitting of 8 no’s. New coupling nuts & bolts, rubber bushes, key way. The job includes the cost of material, carriage and labour charges. Complete job. Repairs to 50 hp motor of pumping unit no II 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 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. Installation of motor at site after proper alignment with pump. 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.

Rebate on Old Parts

Repairs to 150 kva servo voltage stabilizer installed at LIS Nikowal old by way of disconnecting incoming and outgoing power connections from voltage stabilizer. Draining of existing transformer oil in barrel. Dismantling of all components of voltage stabilizer such as coils, voltage variable transformers, servo motors, voltage sensing cards. Rewinding of 02 no.’s damaged coils with standard gauge copper wire and proper insulation & tapping. Providing and fitting of 2 no’s new voltage variable transformers and servicing of the third one. Providing and fitting of 02 no. new servo motor and two number voltage sensing cards. Making all the internal connections and checking its continuity. Reassembling the voltage stabilizer. Filtration of existing transformer oil and toping up with 100 liters of fresh transformer oil after cleaning the tank to remove carbon deposits. Installation of the voltage stabilizer by connecting incoming and outgoing power cables. Testing of voltage stabilizer on no load and full load conditions. Job includes cost of material including rebate on old copper scrap/ material, labour charges, hire charges of tools and tackles, installation and testing charges at site.

Rebate on Old Parts

Rishabh Electricals and Mechanical Works

PERFECT ELECTRICAL WORKS

M/s RK Elect. Mech. Engg and fabrication works