maintenance of pcu equipments and ash slurry header of amd . , dismantling and fitting of dummy/ throug , removal and/ fixing of clamps 350/320nb , anchoring of pipes , sleeve coupling leakage attending , repair/replacement of tee/bend/reducer/y , removal/dismantling of pipes 350/320nb , erection of pipes 350/320nb , painting , gas cutting , but welding , asst . in thickness measurement , febrication of ms bend/tee/reducer , attending awr ( 900mm ) leakage , fabrication /erection ms and other pipe , removal/dismantling of ms and other pipe , closing /opening of knife edge gate valv , erection of cast basalt line pipe 350nb , o/h of vertical turbine pump , o/h of horizontal centrifugal pumps , o/h of chemical dosing pump , o/h of slurry pump , o/h of flush mixture/ sludge sump agitat , o/h of alum agitator , o/h of lime/ poly agitator , turbo circulator wheel alignment/ replac , turbo circulator wheel bearing replaceme , turbo circulator gear box repaire/ repla , o/h & load testing of 1ton/5ton hoist/cr , o/h & replacemnt of butterfly valve 500m , o/h & replacement of butterfly valve 350 , o/h & replacement of butterfly valve 300 , o/h & replacement butterfly valve 200/15 , o/h of gate valve 350/300/250mm , o/h of gate valve 200/150/100mm , repl . of gate valve of all sizes , o/h of sluice gate of all sizes , repl . of diaphragm valve 25/40/50/ , o/h of diaphragm valve 25/40/50 , replacement/o/h of air release valve , erection of moving equipment , erection of stastic equipment , dismantling of moving equipment , dismantling of stastic equipment , ss welding , erection of scaffolding , oil seal replacement of gear box/ pump , pm of recycle pump , pm of horizontal pumps , pm of screw pumps , pm of chemical pumps , pm of service pumps , pm of stirrer/ agitator , pm of turbocirculator , attending gland leakage of pump/ valves , pm of 1 t/5t hoist , pm of ash block making machine , pm of pan mixture , o/h of ash block making machine , o/h of pan mixture , replacement of top/bottom cylinder , wear plate replacement , replacement/repaire of hydraulic valve , replacement of bearing . , replacement of hydraulic hoses , replacement of valve belts , o/h of high capacity sprinkler pumps ( ho