Thermal design of AFBC, traveling grate, saturated and superheated steam boiler , furnace design, boiler bank design, superheater design, Economiser design, Airpreheater design, Air and gas calculations, efficiency calculation, fluidised bed calculation, bed coil area calculation, Air and gas duct sizing, ID, FD, PA and SA fan sizing, steam side pressure drop calculation, safety valve sizing, velocity calculation, boiler modifications and capacity enhancement.