overhauling of esp , gates and dampers of unit-1 to 10 for the year 2022-24 , internal cleaning of esp , as per scope of work . , external cleaning of esp , as per scope of work . , cleaning of support insulators , as per scope of work . . , rectification of collecting electrode , as per scope of work . , replacement of collecting electrodes , as per scope of work . , replacement of emitting electrodes , as per scope of work . , gap measurement between electrodes , as per scope of work . , servicing of emitting rapping system , as per scope of work . , o/h of emitting rapping gear box , as per scope of work . , servicing of collecting rapping system , as per scope of work . , o / h of collecting rapping gearbox , as per scope of work . , repl welding work in gas dist . system , as per scope of work . , repair welding work , as per scope of work . , replacement of gas distribution sheet , as per scope of work . , replacement of deflector/throttle plate , as per scope of work . , replacement of shock bars , as per scope of work . , repair of shock bars , as per scope of work . , assistance for gd test , as per scope of work . , servicing of p . a . & g . d . gates , as per scope of work . , repair of p . a . & g . d . gates , as per scope of work . , servicing of dampers ( p . a . & s . a . ) , as per scope of work . , repair of dampers ( p . a . & s . a . ) , as per scope of work . . , internal rectification during inter wash , as per scope of work . , upkeep of gear box , man hole covers& gate , as per scope of work . , repair & replac of shock bar guide , as per scope of work . , replacement of gas dampers/gate , as per scope of work . , replacement of pa/sa dampers / gates , as per scope of work . , manpower assistance during emergency , as per scope of work . , replacement of air / gas damper flaps , as per scope of work .