155/MID/AN

Repairs to 10cusec discharge, H.C Pump unit no. 03 installed at LIS Manda-I. The job involves removing the pump top cover , extraction of pump shaft assembly & shifting of the pump shaft assembly by manual / mechanical means to workshop. Complete dismantling of the pump assembly. Providing / fitting of two nos. bushes and two no bearings 6312- 2 nos..Providing/fabrication of neck rings ( 2 nos.). Assembling of the pump parts. Transportation of the pump assembly back from workshop to the site of LIS. Fitment of pump along with replacement of old damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Providing/fitting of tyre for coupling as per the sample. Priming the pump .Complete testing of the pumping unit on full load. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

Repair to 75 HP three phase induction motor at LIS Manda-I .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. Dismantling of end covers, Extraction of rotor from motor. 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 . Assembling of motor. Fitting the motor over the base frame by providing / fitting nut ,bolts, washers etc., making of electrical connections, replacing worn out nuts, bolts and thimbles 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

Repair of foot valve (300mm dia) of pumping unit no.1 installed at LIS Manda-I. 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.Dismantling of the foot valve assembly Complete repair to the damaged flap seat, flaps and hinges by way of welding . Providing / fitting of new rubber washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Lowering the foot valves in the canal & coupling with suction pipe by providing new rubber packing sheet, nuts bolts and washers. Checking for leakages. Priming the pump & testing on full load. The job includes cost of material, labour, transportation etc as per site conditions of LIS. Complete Job

R K Electrical and Engineering Works

Chargotra Trading Co.