Pressure part replacement and repairs (Economizer coil, Superheater coil, Waterwalltube)Bed ash cooler repairs and expansion bellow replacementsFluidized bed cleaning and Air-Preheater tube replacementsMain steam line erection.Auxiliary maintenance (PA, SA, ID, and scanner fan maintenance)Boiler utility piping erection or replacementAnnual shutdown maintenancePiping support installations (fixed and spring-mounted)