Rewinding Repair of pumpset of unit I and Maintenance of various ElectroMechanical equipments at LIS Chajja and LIS Dhanpur Datyal for its smooth functioning in current Cropping season

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Rewinding / Repair of pumpset of unit –I & Maintenance of various Electro-Mechanical equipments at LIS Chajja and LIS Dhanpur Datyal for its smooth functioning in current Cropping season

LIS CHAJJA Decoupling of 03 cusec discharge x 55meter head pumping unit no I of Lift irrigation station Chajja from motor and then dismantling the pump from the base frame and shifting of pumpset to workshop. Dismantling of 03 cusec discharge split casing pump 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. Repairs to pump shaft by welding at worn out/ undersized portions after turning to bearing size and threading at positions of check nuts. Turning of shaft on lathe machine to make the shaft balanced. Repairs to Stainless Steel impeller by filing cavities, cracks and finishing to original size. Providing and fitting 2 no’s of new bearing’s on driving and non driving ends of the pump. Fabrication of 2 no’s neck rings by way of casting and turning as per the size of impeller. Providing and fitting of 2 no’s sleeves, nuts & bolts. Fabrication of 2 no’s new gland plates and check nuts as per the threading of pump shaft. Providing and fitting of 4 no’s new gland studs on ends of pump. Replacement and fabrication of bearing housing of driving and non driving ends as per sample and size of outer diameter of bearings. Drilling of holes on the bearing housing as per the size and alignment of holes on pump body. Turing of the inner portion of bearing housing to make it smooth 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. The job includes the cost of materials, labour charges both skilled /Semi skilled, transportation charges, installation & testing charges at site. Complete job.

Complete rewinding of 100HP motor of unit no.I installed at LIS Chajja. The job involves complete dismantling of motor from its installed position, shifting of motor from LIS to workshop involving head load and Transport. Opening the side covers of the motor and then extraction of rotor. Repair to rotor shaft by way of welding, turning and then finishing. Providing/fitting of 2No’s bearing as per old sample. Extraction of burnt winding from the stator, cleaning of stator with petrol. Providing/fitting of new winding wire of suitable gauge and size in the stator as per old sample. Varnishing the stator winding with superior quality of varnish. Drying the stator winding with hot air circulation process. Assembling of the motor and shifting to site of LIS. Refitting at its installed position, making of electrical connections, alignment with pump, testing of motor on full load. Job includes cost of material, Rebate on old parts / material, labour charges and to and fro carrages. Complete Job.

Repairs to 2 HP mono block priming pump installed at LIS Chajja 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 the same with 40 feet new G.I. pipe of 50 mm dia.. Providing and fitting of new foot valve of 50 mm dia-01 no and Ball Valve of 32mm dia-01 no. 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, labour for installation at site. Rebate on old parts to be provided by executing agency. Complete Job

LIS Dhanpur Datyal Repairs/replacement to pumping unit-I by way of disengaging of the damaged40HP electric motor of Pumping unit no-I of LIS Dhanpur datyal from base frame, pump & starter.Shifting/dragging by head load to nearest road side, loading in mechanical transport and furthershifting to workshop for repairs/rewinding. Dismantling of the damaged 40HP Motor at workshop for extraction of burnt windings, cleaning of stator slots.Complete rewinding of the motor with new copper wire of requisite gauge specifications, standard make and quality. Providing/fitting of new insulation, packing material, then varnishing with superior quality varnish & drying in oven in controlled temperature. P/F of new bearings (DE & NDE) and bearing end covers as per old sample. Complete greasing of the bearing. Assembling of the stator, rotor and other parts of the motor. Back carriage to site after repairs and reinstallation and testing. Complete job includes cost of material, transport charges and labour charges. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

Repair to 1 no.s horizontal casing pump sets of 6 cusec discharge by way of dismantling of the pump from the base frame and suction delivery lines at LIS Dhanpur Datyal.. Dismantling of the pump at workshop and extraction of damaged internal parts. Providing and fitting of new GM bush- 01 No., new check nut, new gland ring, new bearings as per sample, new studs/bolts on it, applying sufficient amount of grease to avoid excessive wear and tear, gland packing as per requirement, complete assembly of pump set after carrying out necessary repairs.Re-assembling after carrying out necessary repairs. Fitting/reinstallation at the base frame for proper functional. Complete job including cost of material and labour charges. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

Repairs to 250mm dia foot valves 2 no.s,. of L.I.S Dhanpur datyal by way of dismantling of foot valves along with suction pipes and cleaning of mud/silt from pipes and foot valves using special tools and tackles. Complete dismantling of foot valves and then providing/fitting of new leather washers cut to size, adjustment of flaps with repairs to hinges. Reassembling the foot valves along with suction pipes by providing/fitting of new R.I sheets and nuts, bolts etc.Complete job includes cost of material used and labour charges for skilled and semiskilled labour to be employed at site 40Km approx. from Jammu for execution of job including the out station charges etc. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete job

Repairs/servicing to 40HP starter 1no installed at LIS Dhanpur datyal. The job involves disconnecting of starter from incoming and out going cables.Complete dismantling of starter and cleaning of all the parts with recommended chemicals. Cleaning of transformer oil tank. P/f of moving and fixed contact points and moving fingures, no volt coil 1no, moving rod with sleeve 1 no, p/f of new copper thimbles and topping up of 5 lts T.oil, adjustment to handle mechanism and tripping assembly . Re-assembling of the starter by making of all the connections and testing on load . job includes cost of material and skilled/ semi-skilled labour at site. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

Repair to the LT control panel by way of disconnecting the incoming and outgoing cables of Panel at L.I.S Dhanpur Datyal. Repairing by way of complete dismantling of the LT control panel, removing carbon from every nook & corner of the LT. control panel and then cleaning, washing each part of the LT control panel with recommended chemicals.P/F of new main MCCB 100 Amp-1 No.and servicing of other MCCB’s of LT control panel by cleaning/servicing of all the parts by recommended chemicals making them free from carbon.Insulating the bus bars wherever required. Complete job includes cost of material and labour charges for skilled and semiskilled labour, hire charges of tools and tackles to be employed at site for execution of job including the out station charges etc. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

Repair to 2HP Mono-block priming pump installed at LIS Dhanpur Datyal. The job involves dismantling of priming pump from the 50mm suction line and 40mm delivery line, disconnection of power supply, extraction of rotor from stator. Extraction of damaged/ burnt windings and rewinding with copper wire of same size and gauge. Varnishing the stator with (Dr.Beck make) varnish in two coats, drying by hot air process. Providing/fitting of new bearings in place of damaged and greasing properly. Reassembling the motor. Providing/ fitting of 1No.control valve in place of old damaged valve. Providing/fitting of 50mm dia. foot valve, worn out nuts, bolts, rubber sheet. Complete job includes cost of material, labour charges at site of LIS. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

Replacement of damaged double kinetic air release valve at LIS Dhanpur Datyal. The job involves Providing /fitting of new double kinetic air release valve for 300mm dia. rising main in place of damaged one. Complete job include cost of air release valve & fitment /welding charges etc. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components. Complete Job

NATIONAL ELECTRO-MECH COMPANY

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