89/MID/AN

Strengthening of 4.5 cusec discharge 58 m head H.C. pump unit-2 at LIS Thandapani. The job involves decoupling the pump from motor, suction and delivery lines and unfastening the foundation bolts. Dismantling the pump by removing the bearing cups, body brackets, top cover, housings and gland brackets. Taking out rotating assembly and Shifting the rotating assembly to workshop by mech. transport including loading and unloading charges at both ends. Separating shaft, impeller and bushes. Rebuilding of pump shaft and impeller by using good quality electrodes. Turning/machining of rebuild impeller and pump shaft on lathe machine for proper size. Repair to key ways .Providing/fabrication of both the bushes as per sample. Making necessary repairs to bearing housing. P/F of new driving end bearing as per sample. Shifting the pump back to L.I.S. Assembling the pump using paper packing sheet at each joints, proper locking of bearings without play and greasing.. Placing the pump on base frame and tightening the foundation bolts. Connecting the pump to suction and delivery lines replacing the worn out packing sheet nuts and bolts. Providing and fitting of new tyre for tyre coupling as per sample .Coupling the pump and motor after proper alignment/adjustment. Priming the pump and testing on full load. Job includes cost of material, tools and tackles, labour charges, transportation charges at site of LIS. Complete Job.

Strengthening of 4.5 cusec discharge 58 m head H.C. pump unit-3 at LIS Thandapani. The job involves decoupling the pump from motor, suction and delivery lines and unfastening the foundation bolts. Dismantling the pump by removing the bearing cups, body brackets, top cover, housings and gland brackets. Taking out rotating assembly and Shifting the rotating assembly to workshop by mech. transport including loading and unloading charges at both ends. Separating shaft, impeller and bushes. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size. Repair to key ways .Providing/fabrication of both the bushes as per sample. Making necessary repairs to bearing housing. P/F of new driving end bearing as per sample. Shifting the pump back to L.I.S. Assembling the pump using paper packing sheet at each joints, proper locking of bearings without play and greasing.. Placing the pump on base frame and tightening the foundation bolts. Connecting the pump to suction and delivery lines replacing the worn out packing sheet nuts and bolts. Providing and fitting of new tyre for tyre coupling as per sample .Coupling the pump and motor after proper alignment/adjustment. Priming the pump and testing on full load. Job includes cost of material, tools and tackles, labour charges, transportation charges at site of LIS. Complete Job.

Impregnation of 150 HP Induction Motor, Unit No.1 installed at LIS Thandapani. The job involves disconnecting all electrical connection decoupling the motor from the pump, removing from the base plate . Dismantling the motor ,extraction of the rotor and bearing. cleaning of rotor and stator winding with petrol and chemical cleanser. Cleaning of dust/carbon etc from the stator with the help of compressed air/ CCL4/organic solvent . Thereafter applying Dr. Beck. Compound on stator winding by spraying impregnation process and drying the same with hot air circulation process. Checking IR value of the winding with the help of megohmmeter. Repairing of the end covers at the driving end and the non- driving end of the motor. providing and fitting of 02 nos. bearing (DE and NDE). Providing /fitting of cooling fan of the motor as per the size. Assembling of motor. Carriage / transportation of the motors back from workshop to the site of installation at the LIS. Installation / leveling of the motor over the base frame by providing / fitting nut bolts, washers etc., making of electrical connections, replacing worn out nuts, bolts for the electrical connection. Alignment & coupling with pump. Complete testing & commissioning of the pumping unit. Job includes cost of all material, transportation charges, head load and labour charges for skilled / semi skilled labour, hire charges for tools & tackles at the LIS. Complete Job

Strengthening of 250mm foot valve of pumping unit no. 02 & 03 at LIS Thandapani by way of decoupling the foot valve by cutting/unfastening the nuts and bolts from suction pipe. Extraction of foot valves out of river with help of chain pulley block and manual labour. Dismantling of foot valve after unfastening/cutting the nuts & bolts. Cleaning of foot valve from mud and silt. Shifting the disc assembly to workshop & repair/strengthening by way of rebuilding/remetalling the disc for proper alignment and balance to fit in the seat for no leakage of water. Fabrication of new strainer as per the size. Assembling the foot valve and Providing /fitting of new rubber packing sheet, nuts and bolts etc. lowering the foot valve in the river & coupling with suction pipe by providing new rubber packing sheet, nuts bolts and washers. Checking for leakages. Priming the pump & testing/commissioning on full load. The job includes cost of material, labour, transportation etc as per site conditions of LIS. Complete Job charges, hiring charges of tools & tackles, transportation charges. Complete Job

Strengthening of 150 HP ATS starter of pumping unit no 1 & 2 installed at LIS Thandapani . The job involves disconnecting the power supply and subsequently the cables of the starter and carrying / shifting of the starter by manual head load / mechanical transport to the workshop. Providing / fitting of nuts and washers, bakelite strips to replace the old worn out ones. Replacement of kit of contacts & fingers as per the given sample and requirement. l. Cleaning & drying of oil tank. Transporting back the starter by manual / mechanical means to the site of installation. De-moisturizing, raising the viscosity & filtering T.Oil before filling back. Providing / filling of T.oil to starters to make for the deficit quantity. Damaged/burnt thimbles of cables to be replaced by providing & crimping of new ones. Connecting the cables, power supply & testing on full load. Entire job includes labour charges, transportation charges, hire charges for tools and tackles and cost of material. Complete Job

Strengthening of Reflux valve (200mm dia) of pumping unit no. 02 and rising main (200mmdia) installed at LIS Thandapani . The job involves dismantling of the reflux valve by way of cutting of the rusted nuts and bolts with the help of gas cutter, removing of flap. Fabrication of new flap and bushes as per sample . Dismantling of shaft from both sides of flap and fabrication of new shaft as per the actual size . Fitment of reflux valve and fitting of new nuts, bolts and washer in place of worn out nuts and bolts. Complete job includes the cost of material, labour charges, transportation charges etc. Complete Job

HITECH MECHNICALS

TARSAIM ELECTRICAL WORKS