93/MID/AN

Strengthening of 10 cusec discharge 33 m head H.C pump no. 02 at LIS Gurha-I .De-coupling of pump from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket and shifting to the workshop by using manual labour and mechanical transport. Complete dismantling of impeller assembly. Casting/ Fabrication of new impleller in lieu of wornout impeller. Grinding/finishing of casted impeller as per true size. Providing/ fitting of 2no. DE and NDE bearings, (2nos) and bushes in lieu of worn out ones. Fabrication of glands and studs with nut. Repair to bearing brackets. Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F new nuts,bolts and studs coupling with motor. P/F of gland packing etc.and testing on no load. The Job includes cost of material, labour(skilled and unskilled), loading charges, hire charge of tool and tackles, to and fro carriage charges. Complete job

Strengthening/ repair of foot valve assembly of pumping unit no.3& 4 installed at LIS Gurha-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. 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

Strengthening of 10 cusec discharge 33 m head H.C pump no. 01 at LIS Gurha-I .De-coupling of pump from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket and shifting to the workshop by using manual labour and mechanical transport. Complete dismantling of impeller assembly. Providing/ fitting of 2no. DE and NDE bearings, (2nos) and bushes in lieu of worn out ones. Fabrication of glands and studs with nut. Repair to bearing brackets. Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F new nuts,bolts and studs coupling with motor. P/F of gland packing etc.and testing on no load. The Job includes cost of material, labour(skilled and unskilled), loading charges, hire charge of tool and tackles, to and fro carriage charges. Complete job

Impregnation of 200 HP Induction Motor, Unit No.2 installed at LIS Gurha-1 by way of 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 no. bearing (DE and NDE). 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

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M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS