12/MID/AN

Repair of 4.5 cusec discharge 15 m head HC Pump no. 02 installed at LIS Patyari . The Job involves decoupling & dismantling of pump for the purpose of its repair / strengthening. Further dismantling the pump top cover from its installed position & shifting of the pump assembly by manual / mechanical means to workshop. Separating shaft, impeller and bushes. Rebuilding of pump shaft and impeller using good quality electrodes. Turning/machining of rebuild impeller and pump shaft on lathe machine for proper size. Repair to key ways .Providing/fabrication of both the bushes as per sample. Making necessary repairs to bearing housing. P/F new set of bearings as per sample. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of installation at LIS. Fitment of pump along with replacement of rusted / damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Complete testing & commissioning 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 of starters of various capacities installed at LIS Patyari . The Job involves disconnecting the power supply and subsequently the cables of the starter and carrying / shifting of the starter by manual head load / mechanical transport to the workshop. Providing / fitting of nuts and washers, bakelite strips to replace the old worn out ones. Replacement of kit of contacts & fingers as per the given sample and requirement. Cleaning & drying of oil tank. Transporting back the starter by manual / mechanical means to the site of installation. De-moisturizing, raising the viscosity & filtering T.Oil before filling back. Damaged/burnt thimbles of cables to be replaced by providing & crimping of new ones. Connecting the cables, power supply & testing on full load. Entire job includes labour charges, transportation charges, hire charges for tools and tackles and cost of material. a) 40 HP starter b) 75 HP starter

Repair of foot valve (200mm dia) of pumping unit no. 01 at site of LIS Patyari 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. Assembling the foot valve and Providing /fitting of new rubber packing sheet, nuts and bolts etc. lowering the foot valve in the canal & 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. Complete Job ro carriage charges . Complete job

TRIKUTA ELECTRICAL AND MECHANICAL WORKS

BEE AAR ENTERPRISES