Repairs to 3 cusec x 59 mtr head horizontal split casing pump coupled with 120 HP motor of pumping unit no 1 along with allied works at LIS Ratti Bakhta

Repairs to 3 cusec x 59 mtr head horizontal split casing pump coupled with 120 HP motor of pumping unit no. 1 along with allied works at LIS Ratti Bakhta.

Decoupling of 3 cusec x 59 meter head discharge pump unit no 1 from 120 hp motor and then dismantling the pump from the base frame. Carriage & shifting of dismantledpump to workshop by carriage vehicle. Repair to 3cusec x 59m head discharge split casing pump of pumping unit no 1 of Lift irrigation station, Ratti Bakhta 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. Providing and fitting of new pump shaft after 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 4kg graphite packing of size 10 mm. Replacement of broken coupling pulley of pumping unit no 2 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.1 along with allied works installed at LIS Ratti Baktha. Disconnecting all the electrical connections and then shifting the starter to the nearest road side using manual labour, loading in transport vehicle and shifting to workshop. 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. 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 demoisturised T oil in the tank and topping up with fresh 10 ltrs T oil. 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. Draining of old T-oil and filling it with fresh 15 litres T oil. Reassembling all the parts of the starter. Shifting back to the site and fitting at their installed position. Making all the electric connections. Testing the starter on no load and then on full load. Repair to 200 mm diameter foot valve of pumping unit no 1 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 1, 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. Fabrication/Replacement of new stem rod with square threads. 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, rebate on old parts, installation& testing charges at site. Complete job.

Rebate on Old Parts

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

G S ENGINEERING WORKS

BEE AAR ENTERPRISES