general maintenance and servicing of valves in boiler and aux . area unit 1 to 10 in cpp , nalco . , fabrication & erection of piping upto 25 , as per scope of work . , fabrication & erection of piping from 26 , as per scope of work . , fabrication & erection of piping from 51 , as per scope of work . , fabrication & erection of piping from 77 , as per scope of work . , fabrication & erection of piping from 11 , as per scope of work . , fabrication & erection of piping from 17 , as per scope of work . , fabrication & erection of piping from 25 , as per scope of work . , fabrication & erection of piping > 400mm , as per scope of work . , dismantling of piping upto 25 mm , as per scope of work . , dismantling of piping from 26 mm to 50 m , as per scope of work . , dismantling of piping from 51 mm to 76 m , as per scope of work . , dismantling of piping from 77 mm to 110 , as per scope of work . , dismantling of piping from 111 mm to 175 , as per scope of work . , dismantling of piping from 176 mm to 250 , as per scope of work . , dismantling of piping from 251mm to 400m , as per scope of work . , dismantling of piping >400mm , as per scope of work . , erection of piping upto 25 mm , as per scope of work . , erection of piping from 26 mm to 50 mm , as per scope of work . , erection of piping from 51 mm to 76 mm , as per scope of work . , erection of piping from 77 mm to 110 mm , as per scope of work . , erection of piping from 111 mm to 175 mm , as per scope of work . , erection of piping from 176 mm to 250 mm , as per scope of work . , erection of piping from 251 mm to 400 mm , as per scope of work . , erection of piping >400mm , as per scope of work . , carbon steel fillet welding , as per scope of work . , carbon steel butt welding , as per scope of work . , alloy steel/stainless steel fillet weldi , as per scope of work . , alloy steel/stainless steel butt welding , as per scope of work . , carbon steel cutting , as per scope of work . , removal of valve size-15 nb-50 nb , as per scope of work . , removal of valve size-65 nb-100 nb , as per scope of work . , removal of valve size-125 nb-200 nb , as per scope of work . , removal of valve size-250 nb-350 nb , as per scope of work . , erection of valve size-15-50 nb , as per scope of work . , erection of valve size-65 nb-100 nb , as per scope of work . , erection of valve size-125 nb-200 nb , as per scope of work . , erection of valve size-250 nb-350 nb , as per scope of work . , rectification of leakage flange size-15 , as per scope of work . , rectification of leakage flange size-65 , as per scope of work . , rectification of leakage flange size-125 , as per scope of work . , rectification of leakage flange size-250 , as per scope of work . , rectification of leakage flange size-400 , as per scope of work . , cleaning of strainer size-upto 25 nb , as per scope of work . , cleaning of strainer size-50 nb-100 nb , as per scope of work . , cleaning of strainer size-150 nb-250 nb , as per scope of work . , cleaning of strainer size-300 nb-400 nb , as per scope of work . , erection of equipment-moving , as per scope of work . , erection of equipment-static , as per scope of work . , dismantling of equipment-moving , as per scope of work . , dismantling of equipment-static , as per scope of work . , fabrication of structurals , as per scope of work . , erection of structurals , as per scope of work . , cleaning of heat exchanger , as per scope of work . , erection / fabrication of scaffoldings-i , as per scope of work . , erection / fabrication of scaffoldings-o , as per scope of work . , wsb traverse movement jamming rectificat , as per scope of work . , wsb guide rod replacement , as per scope of work . , wsb swivel tube replacement , as per scope of work . , wsb traverse gear box/rotary gear box ov , as per scope of work . , wsb servicing , as per scope of work . , lrsb traverse/rotary/travelling carriage , as per scope of work . , aph sootblower gearbox replacement , as per scope of work . , burner tilt jamming clearing , as per scope of work . , lrsb lance &/or feed pipe replacement , as per scope of work . , assistance for lrsb operation , as per scope of work . , fd fan bullet casing lifting &fixing , as per scope of work . , greasing of audco plug valves , as per scope of work . , servicing / cleaning of seal air/ scanne , as per scope of work . , gland packings replacement of valve size , as per scope of work . , gland packings replacement of valve size , as per scope of work . , gland packings replacement of valve size , as per scope of work . , gland packings replacement of valve size , as per scope of work . , gland packings replacement of valve size , as per scope of work . , gland packings replacement of valve size , as per scope of work . , oil gun repair , as per scope of work . , oil gun u-clamp repair/ replacement , as per scope of work . , oil gun tip removal from vaned diffuser , as per scope of work . , scanner guide hose cleaning /repairing/r , as per scope of work . , ignitor guide tube cleaning /repairing/r , as per scope of work . , esp field inspection and internal rectif , as per scope of work . , esp collecting electrode straightening , as per scope of work . , esp shock bar guide rectification , as per scope of work . , esp gear box overhauling , as per scope of work . , esp emitting rapping system rectificatio , as per scope of work . , transportaion of equipment/material from , as per scope of work . , servicing of chain pulley bocks upto 2t , as per scope of work . , servicing of chain pulley bocks above 2t , as per scope of work . , servicing of chain pulley bocks above 5t , as per scope of work . , load testing of chain pulley blocks , as per scope of work . , assistance for overhauling of dewatering , as per scope of work . , assistance for servicing of safety valve , as per scope of work . , assistance for servicing of safety valve , as per scope of work . , assistance for safety valve stem and dis , as per scope of work . , assistance for servicing of high pressu , as per scope of work . , assistance for servicing of high pressu , as per scope of work . , assistance for gauge glass assy . replac , as per scope of work . , assistance for lifting by chain pulley , as per scope of work . , assistance for lifting by chain pulley , as per scope of work . , assistance for servicing of hfo/ldo tra , as per scope of work . , assistance for servicing of hfo/ldo unl , as per scope of work . , assistance for machining reconditioning , as per scope of work . , assistance for alignment of fd/pa/id fan , as per scope of work . , assistance for store/office/house keepin , as per scope of work . , assistanace for boiler hydraulic test , as per scope of work . , servicing of dewatering sump pump , as per scope of work . , luboil pump oil seal/ mechanical seal re , as per scope of work . , luboil pump coupling rectification/ repl , as per scope of work . , oil tank & filter cleaning of pa/fd fan , as per scope of work . , application of painting paint supplied , as per scope of work . , application of painting , as per scope of work . , safety valve servicing /stem and disc , as per scope of work . , gauge glass assy . repair/replacement , as per scope of work . , servicing/ o/h of hfo/ldo transfer pump , as per scope of work . , replacement of port in drum level gauge , as per scope of work . , overhauling of bridge trolley 10t , as per scope of work . , overhauling of bridge trolley 15 t , as per scope of work . , cleaning of hanger support of boiler pip , as per scope of work . , servicing of safety valve upto 2 , as per scope of work . , servicing of 1 actuator operated valve , as per scope of work . , servicing of 1 1/2 a