MID/AN/74

Repair of 3.5 cusec discharge 36mtr head HC pump unit no. 03 installed at LIS Kotgarhi H/L.The job involves dismantling of the Pump by using skilled technicians .Taking out impeller shaft assembly and shifting the same to workshop by using manual labour and mechanical transport . Dismantling of the impeller shaft assembly and separating shaft, impeller and bushes. Repairs to pump shaft at damaged spots by way of remetaling then finishing to proper size .P/F of 2-No bearings(6309) & 1-No bush as per sample. Fabrication/Providing and fitting of glands ( 2 nos.) as per sample. Re-assembling of impeller shaft assembly & shifting back to L.I.S. Greasing of all the parts. Fitment of impeller/ shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Job also includes providing / fitting of gland packing , greasing work etc. Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles etc. Complete Job

Repair of 100HP oil immersed star delta starter of pumping Unit No. 01installed at site of LIS Kotgarhi H/L by complete replacement of worn out G.M nuts and washers, copper fingers, contacts(moving and fixed) , Tripping coil as per sample. Drainage of T.oil and heating of T.oil to make it completely moisture free. Providing and topping up of 5 ltrs. fresh T. oil. Replacement of damaged copper thimbles of cables by p/f of new thimbles duly crimped and taped. Connecting power supply & testing on load. Complete job includes the cost of material, labour charges and other misc. charges at site. Complete Job

Repair to 25 HP three phase induction motor no. 02 at LIS Kot.The job involves decoupling the motor from the HC pump and unfastening the foundation nuts and bolts by using suitable tools and tackles and labour .Lifting the motor out of pump house by using manual labour. Loading the motor in the vehicle and shifting the motor to the workshop . Unloading of the motor in the workshop .The job further involves dismantling of end covers, extraction of rotor from motor. Extraction of damaged winding from the stator. Cleaning of stator with compressed air and requisite chemical cleanser/CCL4. Complete rewinding by way of providing and fitting of new good quality winding wire of gauge and size (as per old sample) in the stator together with replacement of damaged /worn out wedges/strips and p/f of f-class insulation, Application of superior quality varnish (Red Becktol etc.) by spray impregnation process and drying the stator winding with hot air circulation process and thereafter checking the IR value. Re-assembling the motor after greasing. Shifting the motor to LIS . Installation of the motor over the base frame by providing / fitting of nut bolts, washers etc., making of electrical connections, replacing worn out nuts, bolts for the electrical connection. Alignment & coupling with pump .Complete testing 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

Repairs to 2HP motor of priming pump at LIS Kot . The job involves shifting of the motor to workshop and then dismantling of motor. Complete rewinding of the motor. Assembling of the motor and shifting the motor to the site of LIS. Fitment of the motor and coupling with pump , making of electrical connections . Providing/fitting of 2 inches foot valve. Testing of the priming pump on load. 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

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