Repair to 100 KVA Electric Transformer of LIS Dulmachak-II to be kept as standby for MISD-IV Kathua, repair to wornout parts of 4 cusec x 30 m head HC pump coupled with 60HP motor of Unit-I along with allied works at LIS Didwara and repairs to 5 cuse

Amount

Repair to 100 KVA Electric Transformer of LIS Dulmachak-II to be kept as standby for MISD-IV Kathua

Repairs to 100 KVA electric transformer installed at Lift irrigation station Dulmachak- II by way of shifting of transformer from installed position to workshop. Lifting of the transformer with the help of crane / manual labour and placing the same in the carriage vehicle and shifting the same to the workshop for repairs. Unloading the transformer at the workshop with the help of crane and placing the same at a suitable place. Completely dismantling the transformer after removing the top cover of transformer and extracting out the damaged LV and HV coils form the oil tank. Complete rewinding of HV coils and reconditioning of LV coils using quality insulating material. Providing and fitting of 4 no’s LV bushes, 3 no’s HV bushes, LV bush rod 4 no’s, HV bush rod 3 no’s, Gasket set, nuts and bolts. Repairs to the core of transformer by replacing the flashed core material. Heating of assembled coils in oven for proper hot air process and to get required megger value. Repair to oil tank by welding to make the oil tank leak proof and air tight. Properly cleaning of oil tank to remove the carbon deposits. Lowering the assembled coils in oil tank. Filling of oil tank with 150 liters of fresh transformer oil. Shifting back transformer from workshop to LIS Dulmachak-II after repairs. Electrical Transformer is to be unloaded from transport vehicle with the help of manual labour and crane. The transformer is to be placed at properly at safe place to be covered with protective sheet. Complete job includes hire charges of crane required at the time of loading and unloading at both the places, cost of material and manual labour (skilled and semi- skilled).

Rebate on Old Parts

Repair to wornout parts of 4 cusec x 30 m head HC pump coupled with 60HP motor of Unit-I along with allied works at LIS Didwara

Repair to 4 cusec x 30 m discharge Horizontal Centrifugal pump of unit no-I at LIS Didwara coupled with 60 HP motor by way of decoupling the motor from the pump removal of nuts-bolts from coupling pulley set. Dismantling the pump from the base frame and suction pipeline and delivery Pipe line. Shifting the pump from LIS Didwara to nearest road site by head load and carriage up to work shop in mechanical transport for repair. Dismantling the pump and extraction the damaged internal parts. Repair to impeller by brazing of impeller vanes and finishing to required size, Providing and fitting one no impeller wearing ring. Repair to pump shaft by re-metaling at wear out place and turning and making new thread, New one no check nut, two no’s bearings (6309), one no sleeves, gland packing, oiling and greasing. Re-assembling the same. Then back carriage of the pump to the pump house after carrying out necessary repairs. Re-installation of pump in proper alignment with 60 HP motor and testing on full load at site. Job also includes the fabrication of coupling pulley set as per sample to required size and drilling of hole and taping to required size. Providing and Fitting of new coupling nut-bolt with rubber bushes and cotter. Job includes cost of material and labour charges and hire charges of mechanical transport for shifting of pumping etc. Complete Job Repair to foot-valves of unit no-I & III by providing and fitting of new flapper plate with hinges, new inter-mediate plate, new set of nut-bolts, leather washers Re-assembling the same and installation at site and testing. Job involving cost of material and labour charges. Complete Job Repair to 250 mm diameter sluice valves of Unit I & III by way of dismantling at workshop for extraction of worn-out moving internal parts. Providing and fitting of Brass machined and thread new stem rod with locking nut. Providing and fitting new CI gland bracket along with gland packing. Machining of guides. Reassembling of sluice valve checking operation for smooth alignments Complete job includes the cost of the material, to & fro transportation charges of the material, skilled labour charges etc. Complete Job Repair to 400 mm diameter reflux valve by way of dismantling the top cover of reflux valve by opening the damaged/rusted nuts, bolt and extracting out the damaged flap assembly along with shaft and bushes. Fabrication of flap assembly for reflux valve of CI by casting to shape and turning to require size, making of holes at proper place for fitting of nuts and bolts with packing ring after P/F of heavy duty rubber packing sheet in between packing ring and flap with the help of new nuts and bolts. Repair to supporting arms by fabrication and fitting off main nuts and bolts. Fabrication of bushes as per sample and fabrication of rod by turning and polishing to the size of bushes. Checking to and fro working of flap. Fitting of top cover after P/F of new hexagonal fasteners and heavy duty packing sheet and tightening properly. Installation of reflux valve by P/F of hexagonal fasteners & rubber sheet joint on both side of flanged in-between reflux valve and rising main. The job also involves p/f of bypass priming system on reflux valve which includes 40 mm dia pipe 04 feet approximately along with 02 Nos bends, 02 Nos Flanges and 01No ball valve of same dia Complete job include cost of material, carriage, welding charges, labour charges and testing on full load . Complete Job

Rebate on Old Parts

Repairs to 5 cusec x 11.5 mtr head Horizontal split casing pump coupled with 50HP motor of pumping unit-I along with allied mechanical works at LIS Jandi.

Repair to 4 cusec x 30 m discharge Horizontal Centrifugal pump of unit no-I at LIS Didwara coupled with 60 HP motor by way of decoupling the motor from the pump removal of nuts-bolts from coupling pulley set. Dismantling the pump from the base frame and suction pipeline and delivery Pipe line. Shifting the pump from LIS Didwara to nearest road site by head load and carriage up to work shop in mechanical transport for repair. Dismantling the pump and extraction the damaged internal parts. Repair to impeller by brazing of impeller vanes and finishing to required size, Providing and fitting one no impeller wearing ring. Repair to pump shaft by re-metaling at wear out place and turning and making new thread, New one no check nut, two no’s bearings (6309), one no sleeves, gland packing, oiling and greasing. Re-assembling the same. Then back carriage of the pump to the pump house after carrying out necessary repairs. Re-installation of pump in proper alignment with 60 HP motor and testing on full load at site. Job also includes the fabrication of coupling pulley set as per sample to required size and drilling of hole and taping to required size. Providing and Fitting of new coupling nut-bolt with rubber bushes and cotter. Job includes cost of material and labour charges and hire charges of mechanical transport for shifting of pumping etc. Complete Job Repair to foot-valves of unit no-I & III by providing and fitting of new flapper plate with hinges, new inter-mediate plate, new set of nut-bolts, leather washers Re-assembling the same and installation at site and testing. Job involving cost of material and labour charges. Complete Job Repair to 250 mm diameter sluice valves of Unit I & III by way of dismantling at workshop for extraction of worn-out moving internal parts. Providing and fitting of Brass machined and thread new stem rod with locking nut. Providing and fitting new CI gland bracket along with gland packing. Machining of guides. Reassembling of sluice valve checking operation for smooth alignments Complete job includes the cost of the material, to & fro transportation charges of the material, skilled labour charges etc. Complete Job Repair to 400 mm diameter reflux valve by way of dismantling the top cover of reflux valve by opening the damaged/rusted nuts, bolt and extracting out the damaged flap assembly along with shaft and bushes. Fabrication of flap assembly for reflux valve of CI by casting to shape and turning to require size, making of holes at proper place for fitting of nuts and bolts with packing ring after P/F of heavy duty rubber packing sheet in between packing ring and flap with the help of new nuts and bolts. Repair to supporting arms by fabrication and fitting off main nuts and bolts. Fabrication of bushes as per sample and fabrication of rod by turning and polishing to the size of bushes. Checking to and fro working of flap. Fitting of top cover after P/F of new hexagonal fasteners and heavy duty packing sheet and tightening properly. Installation of reflux valve by P/F of hexagonal fasteners & rubber sheet joint on both side of flanged in-between reflux valve and rising main. The job also involves p/f of bypass priming system on reflux valve which includes 40 mm dia pipe 04 feet approximately along with 02 Nos bends, 02 Nos Flanges and 01No ball valve of same dia Complete job include cost of material, carriage, welding charges, labour charges and testing on full load . Complete Job

Rebate on Old Parts

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY