Preheater housed in Steel Building. (Size) Cyclone/Riser Pipe/Down pipe-(1st stage-6 st stage) 6.9/4.757/0.930, 6.9/5.057/1.2, 7.2/5.057/1.3, 7.2/5.057/1.3, 7.2/5.057/1.3, 7.2/5.057/1.3, Calciner 8.5 m diameter. By-pass 1.24 x 1.24. All Dimensions are in meters