64/MID/AN

Strengthening of 50 HP 3 phase induction motor no. 01 installed at LIS Argi Baljaralan . The job involves dismantling of motor from its installed position after disconnecting the power supply of all three phases. Dismantling the motor by unfastening the foundation nuts and bolts and also decoupling from the pump. Lifting the motor out of the pump house with proper care to prevent any damage. Shifting the motor from LIS to workshop with the help of manual labour through uphill terrain of mountainous path and mechanical transport to the workshop . Complete dismantling of the motor, extraction of rotor broken bearing.. P/F of new set of bearings as per sample . Extraction of burnt winding from the stator, cleaning of stator with petrol .P/F of new winding wire of suitable gauge & size in the stator, varnishing the stator winding with superior quality of varnish. Drying the stator winding with hot air circulation process. Assembling of the motor and shifting back to L.I.S. Refitting the motor at its installed position and coupling with pump by way of lowering it with the help of chain pulley block, making of electrical connections, alignment with pump , testing of motor on full load. Complete job includes the cost of material, labour charges, hiring charges of tools & tackles, transportation charges .Complete Job

Strengthening of 4 cusecs discharge 24 m head H.C. Pump unit no. 02 installed at Argi Baljaralan . 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 pump assembly and Shifting the pump assembly by manual carriage to the roadside through uphill terrain of mountainous path. Shifting the pump to workshop by mech. transport including loading and unloading charges at both ends. Separating shaft, impeller and bushes. Repairing of pump shaft and rebuilding of impeller 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 sleeves as per sample. Making necessary repairs to bearing housing. P/F new set of bearings as per sample. Shifting the pump back to roadside of L.I.S.. Manual carriage to pump house preventing any sort of accidental damage to the machinery and labour through downhill terrain of mountainous path 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 / fitting of the nuts and bushes for the coupling . 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.

Repairs to Starter of pumping unit of pumping unit no. 1 & 3 installed at LIS Argi Baljaralan. The job involves disconnecting the starter and then shifting the starter to the workshop through mechanical transport . The job involves complete replacement of worn out G.M Nuts and washers, bakelite strips, fingers, contacts moving and fixed as per sample. Replacement of tripping coil of required capacity, complete kit. Complete drainage of T.oil, Providing/Filling of fresh T.oil of the required capacity . Replacement of worn-out thimbles of cables etc. Shifting the starter to the LIS .Connecting power supply and testing at load. Complete Job includes cost of material, tools and tackles, labour charges transportation charges at site of LIS, Complete Job.

Strengthening of Reflux valves of pumping unit no. 1&2 installed at LIS Argi Baljaralan. Shifting by manual carriage to the road side and then by mechanical transport to workshop. Removing of flap, fabrication of new flap and bushes as per sample. Dismantling of shaft from both sides of flap and fabrication as per the size of the bushes and assembling. Providing and fitting of new nuts and bolts and rubber sheet as per size. Complete job includes testing on load, cost of material, labour charges, transportation charges etc. Complete job.

Strengthening of 200 mm foot valve assembly of pumping unit no 1 &3 installed at LIS Argi Baljaralan.. The job involves disconnecting / dismantling of the foot valve assembly from the suction pipe by deploying manual labour and allied tools & tackles. Shifting / transporting to the workshop. Cleaning by washing with water to make the foot valves completely silt free. After drying them completely, carrying out necessary repair works on the valve surfaces and flanged joints by welding using good quality electrodes. Dismantling of damaged / worn-out foot valve mechanism with flap & rings etc. Complete repair to the damaged flap seat, flaps and hinges etc. Carrying out repairs to flap seats etc. Providing / fitting of new leather washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Fitting the valves to the respective suction lines with replacement of damaged rubber gaskets of flanged joints and worn-out nuts, bolts etc. Complete job including cost of material, labour charges, transportation charges and hire charges for tools & tackles. Complete Job

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