06/MID/AN

Repairs to 10 cusec discharge 33 m head H.C pump no. 02 at LIS Gurha-I . The job involves 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. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Providing/ fitting of 2no. bearings ( 6312) and 2 no. bush as per the sample .. Repair to bearing brackets. Providing/fabrication of neck rings as per sample. Providing/fitting of gland (1 no.) as per sample. 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 of new nuts,bolts and coupling with motor . P/F of gland packing etc.and testing on load. The Job includes cost of material, labour(skilled and unskilled), transportation charges, hire charge of tool and tackles .Complete job

Repairs to Sluice Valve ( 300 mm dia) of pumping unit no. II installed at LIS Gurha-I. The job involves dismantling of sluice valve from its installed position by way of unfastening/cutting of all rusted nut & bolts with the help of gas cutter/suitable tools &tackles and shifting to workshop. Complete dismantling of sluice valve. Extraction of stem rod with nuts and flap. Fabrication of new stem rod as per the size of the old stem rod. Fabrication of new nut as per sample. Complete assembling of sluice valve and providing of new gland and rubber packing .Shifting of valve to the site of LIS and fitting by P/F of new nut, bolt and washer replacing all worn out nuts/ bolts. Testing and commissioning. Complete job includes the cost of material, labour and transportation charges to and from the LIS. Complete Job

Repair to 5 HP 3 phase induction motor of stand by priming pump installed at LIS Gurha-1 . The job involves disconnecting the power supply and shifting the priming pump to workshop by mechanical transport . Then complete dismantling of the motor involves extraction of rotor from stator and damage bearing followed by cleaning of stator and rotor using compressed air, organic solvent, CCL4 etc. to remove the dust particles /silt etc. 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.. p/f of two no. bearing (DE /NDE) 6205 and 6305 in place of wornout ones.Greasing of all the parts. Assembling of the motor coupling with pump . Shifting the motor back to LIS . Refitting the priming pump at its installed position and making of electrical connections testing on load. Complete job includes the cost of material, labour charges, hiring charges of tools & tackles, transportation charges. Complete Job

TRIKUTA ELECTRICAL AND MECHANICAL WORKS

BEE AAR ENTERPRISES