Repairs to 3 cusec x 59 mtr head horizontal split casing pump coupled with 120 HP motor of pumping unit no.3 along with allied works at LIS RattiBakhta

Repairs to 3 cusec x 59 mtr head horizontal split casing pump coupled with 120 HP motor of pumping unit no.3 along with allied works at LIS RattiBakhta.

Disconnecting power supply and decoupling of 3 cusec x 59 meter head discharge pump unit no 3 from 120 hp motor and then dismantling the pump from the base frame. Carriage & shifting of dismantled pump to workshop by carriage vehicle. Repair to 3cusec x 59m head discharge split casing pump of pumping unit no 3 of Lift irrigation station, RattiBakhta at workshop by dismantling and extraction of all worn out/damaged parts i.e. pump shaft, impeller, bearings, sleeves, bush, check nuts, nuts & bolts, gland plate, gland studs. Properly cleaning the internal surface of pump casing. Repairing of pump shaft by way of remetalling, brazingand turning to bearing size and threading at positions of check nuts. Repairs to impeller by filing cavities, cracks 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 neck rings, 2 no’s shaft protection sleeves, 1 no. check nut, 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 end of pumping unit by providing and fitting of bush, turning and fitting of bush to make inner diameter 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. Providing and fitting of graphite packing of suitable size on both ends of pump. Providing of extra 2kg graphite packing of size 10 mm. Replacement of broken coupling pulley of pumping unit no 3 by way of fabrication of new coupling set as per sample and according to the size of motor and pump shaft. Shifting of repaired pumping unit to site and fitting of pumping unit on base frame. Alignment of the pumping unit. Repairs/replacement of parts of ATS, of 120hp motor of unit No.3 at LIS Ratti Baktha. Disconnecting all the electrical connections. Repair to the ATS of 120 hp motor by way of extraction of the damaged ATS coils 2 nos. from the tank and draining of the T-oil from the tank and storing it in barrels. Dismantling of all the burnt/damaged parts of starter and P/F of new parts i.e contact points, fixed and moving. Repairs to its moving mechanism by P/F of sleeve to the moving rod. P/F of no volt coil 1 no. Reassembling all the parts of the starter. Giving heat treatment to the T oil to remove moisture content in it. Complete rewinding of the coils and lowering it in the tank. Filling the demoisturized T- oil in the tank and topping up with fresh 15ltrs T oil. Making all the electric connections. Testing the starter on no load and then on full load. Repairs to the 150mm dia. NRV of unit No.3 at LIS Ratti Baktha by way of dismantling from its installed position. Carriage/shifting of NRV to the workshop for repairs. Complete dismantling it and P/F of new flap in place of damaged one, repairs to its seat. Reassembling the NRV by providing/fitting of new nuts bolts and RI sheets. Shifting back to the site of installation and fitting it on its installed position. Testing the NRV on full load. Complete job includes cost of material, hire charges of welding set ,labour charges, head load, manual handling, transportation charges etc. at the site. Repair to 200 mm diameter foot valve of pumping unit no 3 by way of dismantling parts. Cleaning of all internal parts to remove silt and rust. Fabrication of new foot valve plate as per size, new leather washer, hinge pin, new nuts & bolts. The job includes fabrication of strainer to stop entry of unwanted material and fitting it with foot valve. Repair to 150 mm dia sluice valve of unit no 3, installed at Lift irrigation station RattiBakhta, by way of cutting of nuts and bolts around the sluice valve with gas cutter. Completely dismantling all the internal parts of valve. Providing and replacement of new wedge nut, repair to wedge shape disc with seat ring. Providing and replacement of new gland packing, gland plate with gland nuts. Properly checking inner body of sluice valve for any cavitations voids or corrosion repairing of the same. Complete assembling of valve with providing of graphite packing. Providing and fitting of rubber sheet between the flanges on both side of valve with providing of new nuts and bolts. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to &fro), tools & tackles, cost of materials,installation& testing charges at site. Complete job.

Rebate on Old Parts

M/S GANPATI ELECTRICAL AND MECHNICAL WORKS

N B Engineering and Electric Works

Rishabh Electricals and Mechanical Works