Repairs to electric substation and priming pumping unit at lift irrigation station Pindi Sarochana new and repairs/ rewinding of 50 hp motor of pumping unit no 2 installed at LIS Kothey parlah new.

Amount

Repairs to electric substation and priming pumping unit at lift irrigation station Pindi Sarochana new

Repairs to the 250 kva transformer by way of disconnecting the input and output power connections, lifting of electric transformer from its installed position by using manual labour, crane and then shifting to workshop by using carriage vehicle. Dismantling of transformer at workshop and extracting out the damaged coils, LT bushes, HT bushes, rubber gasket, nuts and bolts. Rewinding of all HT coils with standard gauge with proper insulation & taping. Reconditioning of 3 no’s LT leg coils using quality insulation material. Repairs to core of transformer by extracting damaged and flashed core material and replacing it with fresh core material. Heating repaired transformer in oven to get required meager value. Properly cleaning the oil tank with scrubbers to remove all carbon deposits. Lowering of the coils inside the sump of the transformer. Providing and fitting of new insulators and bush rods on LT and HT side of transformer. Refilling of new transformer oil 320 liters in the transformer. Refitting of the top cover of transformer by providing and fitting of new gasket sheet. Testing the continuity of each phase and secure all connection. Shifting back after carrying out repaired transformer to site. The job includes loading and un-loading of transformer at lift irrigation station Pindi sarochana new and workshop, manual labour, carriage charges of vehicle (to & fro), hire charges of crane, testing on no load and full load, tools and tackles used during the execution of job. Repairs to 2 HP priming pump by way of complete dismantling internal parts of the pump. Complete rewinding of 2 HP motor of priming pump. Replacement of shaft with new one, turning and finishing for bearing and impeller size. Providing and fitting of new bearings (2 no’s), new impeller as per sample, new motor fan , new coupling for connecting motor and pump, gland plate with studs. Extraction of damaged priming pipe from the sump and replacing of 20 ft damaged suction pipe and welding. Providing and fitting of new foot valve. Assembling of priming pump with greasing of bearings. Testing of pump set on no load condition at workshop. Fitting of priming pump and suction pipeline at site. Complete job with cost of material, labor for installation at site.

Rebate on Old Parts

Repairs/ rewinding of 50 hp motor of pumping unit no 2 installed at LIS Kothey parlah new.

Decoupling of 50 HP motor of pumping unit no I from pump and then dismantling the motor from the base frame. Carriage and shifting of motor from Lift irrigation to road side on head load and then to workshop by carriage vehicle. Repairs to 50 hp motor of pumping unit no I by extracting out old damaged winding manually and cleaning of stator slots. Inserting of insulation papers in slots, complete rewinding of the stator by using standard copper wire of requisite gauge. Making of connection coils in star delta. Locking of coils into the slots by using glass fiber wedges. Complete varnishing of the stator. Repair to rotor shaft by way of welding, turning and finishing to the size of bearings. Providing and fitting of bearings number 6313 and 6311 on driving and non driving end, end terminals, nuts and bolts. Providing and fitting of new connection plate. Shifting back of repaired motor to site and fitting of motor on base frame with coupling to pump. The job includes manual labour, cost of material, tools & tackles etc. Complete job. Repair to starter oil immersed of 50 HP motor , double contact of pumping unit no II 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 liters.

Rebate on Old Parts

SMART TECH AND CO

PERFECT ELECTRICAL WORKS

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