138/MID/AN

Strengthening of 4.5 cusec discharge 36 m head H.C pump no. 03 at LIS Nazlachak .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 DE bearing and two no. bushes in lieu of worn out one. Fabrication of glands and studs with nut. Fabrication of neck rings 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 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 of 06 cusec discharge 36m head horizontal centrifugal pump no. 02 installed at LIS Nazlachak. The job involves de-coupling of pump from the motor and removing top cover of the HC pump, extracting the internal impeller assembly together with bearing brackets and shifting the same to workshop by using mechanical transport. Complete dismantling of the impeller assembly in the workshop. Rebuilding of pump shaft and impeller by using good quality electrodes. Thereafter turning/machining of rebuild pump shaft and impeller on lathe machine for proper size . P/F of 2-No bushes & 2-No bearings as per sample. Re-assembling of impeller shaft assembly & shifting back to L.I.S. 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. Setting the foundation by means of replacement of old worn out studs. Job also includes replacement of worn-out nuts, bolts and bushes of the existing coupling pulley along with tyre. 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, out station charges etc. Complete Job

Impregnation of 125 HP Induction Motor installed at LIS Nazlachak 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. bearings (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

Repair /strengthening of oil immersed star delta starter 125 HP and 120 HP installed at site of LIS Nazlachak by complete replacement of worn out G.M nuts and washers, copper fingers, contacts,(moving and fixed) as per sample. Drainage of T.oil. Proper cleaning of tanks by removing the deposited carbon and other deposited material. Heating of T.oil to make it completely moisture free. Providing/filling of T.oil 20 ltrs. Replacement of worn out/burnt 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

Strengthening of foot valves of pumping unit no. 01 ,02 & 03 of at site of LIS Nazlachak by decoupling the foot valve by cutting/unfastening the nuts and bolts from suction pipe. Extraction of foot valves out of canal with help of chain pulley block and manual labour. Dismantling of foot valve after unfastening/cutting the nuts & bolts. Cleaning of foot valve from mud and silt. Shifting the disc assembly to workshop & repair/strengthening by way of rebuilding/remetalling the disc for proper alignment and balance to fit in the seat for no leakage of water. Fabrication of strainer for 250mm dia foot valves of unit no. 1 &2 .Assembling the foot valve and Providing /fitting of new rubber packing sheet, nuts and bolts etc. lowering the foot valve in the river & coupling with suction pipe by providing new rubber packing sheet, nuts bolts and washers. Checking for leakages. Priming the pump & testing/commissioning on full load. The job includes cost of material, labour, transportation etc as per site conditions of LIS. a) 250 mm dia (2 nos.) b) 200 mm dia (1 no.)

Repair/ Strengthening of Reflux valve (250mm dia) of pumping unit no.1 installed at LIS Nazlachak . The job involves dismantling of the reflux valve by way of cutting of the rusted nuts and bolts with the help of gas cutter, removing of flap. Fabrication of new flap and bush 1 No. as per sample . Dismantling of shaft from both sides of flap and fabrication of new shaft as per the actual size . Fitment of reflux valve and fitting of new nuts, bolts and washer in place of worn out nuts and bolts. Complete job includes the cost of material, labour charges, transportation charges etc. Complete Job

Strengthening of Sluice Valve ( 250 mm dia ) of pumping unit I installed at LIS Nazlachak . 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 into body and bonnet .Extraction of stem rod with nuts and flap. Fabrication of new stem rod nut as per the size of the old stem rod. Fabrication of new glands as per sample .Making of proper seat for resting of flap. Complete assembling of sluice valve and providing of new gland and rubber packing .Shifting of valves to the site of LIS and reinstallation 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.

BEE AAR ENTERPRISES

PERFECT ELECTRICAL WORKS