34/MID/AN

Strengthening of 125 HP 3 phase induction motor installed at LIS Serpalai . 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 chain pulley block with proper care to prevent any damage. Shifting the motor from LIS to workshop with the help of manual labour. mechanical transport to the workshop . Complete dismantling of the motor . P/F of 1 no. driving end bearing 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.

Repair/Strengthening to 4 cusec discharge 60m Head H.C pump no. 01 installed at LIS Seripalai 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 workshop by using manual labour and mechanical transport. Complete dismantling of impeller assembly . Fabrication of pump shaft and rebuilding of impeller as per the actual size . Providing/ fitting of 2no. DE and NDE bearing, (2nos) bushes in lieu of worn out ones. Fabrication of glands and studs with nut. Fabrication of neck rings as per sample. 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 and bolts and studs coupling with motor. Job also includes replacement of worn-out coupling pulley as per existing sample after carrying out necessary machining works keeping in view the size of the bushes. 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 charges. Complete job

Repair/ maintenance/Strengthening to Foot Valves size 200 mm of unit no. 1&2 installed at LIS Seripalai. The job involves disconnecting /dismantling of foot valve assembly from the suction pipe by deploying the manual labour and allied tool & tackles . Cleaning by washing with water to make the foot valves completely silt free. After drying them completely repairs to foot valve flap by providing/fitting of new leather washer cut to size with nuts, bolts and washer etc. Complete assembly of foot valve . Connecting strainer with foot valve and fitting with suction pipes and P/F of jointing material. Complete job with material cost labour charges for dismantling/fitting, strengthening, manual handling and to and fro transportation at site of LIS Complete job

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

G S ENGINEERING WORKS