Liftting servicing cleaning AND Re erection of vertical turbine 400 HP Motor Pump set in Ayyalamman Padithurai and Lifiting re-erectuion of 20 HP OR 25 HP Submersible borewell pumpset in Main pumping station

Dismantling and complete lifting 400 HP of motor,Thrust bearing assembly, motor stool discharge case top shaft, column pipes, line Bowl assembly and shafts, spiders etc.complete, as directed by the dept.officers

Supply and delivery of following materials ect. Complete., as directed by the dept.officers

Stainless steel sleeve 304 grade outer dia 75 mm inner dia 70 mm thickness 11mm x 200 mm length including machining charges etc.complete..

Phosphorus Bronze grade Gunmetal bush for bowl assembly and packing bush including machining charges etc.complete..

1.5 mm thick rubber insertion sheet Complete., ect.

Hardened grade heavy duty steel bolt and nuts with two washers and spring washer size of 20 x 90 mm for 680 hp HT motor pumpset ect. Complete.,

Through cleaning of the column pipes, shafts, motor stool, discharge case,sole plate and including charges for consumables like emery sheet cotton waste and grinding wheel etc.complete. as directed by the dept.officers

Overhauling and servicing of the bowl assembly by replacing of all bushes by using hydraulic press and recondition of bowl impellers and impeller guide portion. Providing new lock sets with SS bolt and impeller cotter key. Providing one coat of anti corrosive epoxy paint for the bowl assembly including consumables such as bolt and nut, cotton waste, emery sheet and lathe work charges, transportation and handling charges. and Complete reconditioning of the bearing assembly including charges for removal of wornout thrust bearing, gaide bearing and refixing of couplings,new pulley bolt and new bearings as directed by the dept.officers

Re erection of Bowl assembly column pipes line shafts,spiders,top shaft discharge case motor stool, thrust bearing assembly and 120 Nos HP & 200 HP motor and commissioning motor pumpset including no load test and load test as specified and directed by the dept.officers etc.complete..

Labour charges for the lifting of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days. Re

Labour charges for the Re-erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

Charges for complete rewinding and servicing of Submersible motor and pumpset by removing all old windings. completely cleaning the slot insulations, rewinding with similar gauge and turns of PVC insulated copper winding wire of best quality. Providing lead terminal flat cables 3core x 4 sq.mm and charges including for lathe to remove the wornout Gunmetal bushes in the motor and pump set stages and providing new Gunmetal bushes for Motor and pump stages and re- conditioning of bronze impellers and thrust bearings. including charges for painting and transporation After completion of work the Motor pumpset should be tested in head Water Works as directed and approved by the Departmental Officers. (The rate is after deducting the cost of old unserviceable burnt coils and gun metal scrap etc, complete

Engaging the JCB vehicle on daily hire basis for Earth work, Refilling and Removal the existing earth including cost of transporting charges, fuel charges and driver bata etc., complete. as directed by the dept.officers

diesel engine Dewatering using 7.5 HP pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Supply 700 mm dia of MS spiral welded saw pipes - mm OD x mm WR confriming to I.S Es 3589/2001 made with H.R coll conforming to I.a 2026 Ro 410 grade in double random length with bevelled / plain ends.

Interconnection 700 mm dia MS pipe welding and fittings with spiral welded joints using cs special tools and plants including the cost of all materials, cutting machine,granding machine and welding rod etc., complete

150 mm diaWelding of GI pipes as directed by s the departmental officers for the sizes (MS Trimmie pipe coupling)

Servicing and repairing of 3.3KV vaccum circuit breaker in HT 5 panel both electrical and mechanical equipments including testing of healthiness of vaccum contactors and no load test and load test etc.complete., as directed by the dept.officers