Labour charges removal of damaged refractory cementing of refractory to bottom ash hopper by casting process painting to the BA hopper inside and outside and its connecting structure and equipment replacement of refractory cooling header MS angle SS flash plate replacement of eroded flushing nozzles inside the BA hopper replacement of eroded filling chambers inside the hopper replacement of eroded flushing nozzle and connecting pipes in seal trough and miscellaneous works during the overhauling of the unit in the year 2024 25