A 10 storey building measures 20m x 40m in plan and has columnslocated on a grid 10m x 10m. The floor consists of a 250mm thick R/C slab with droppanels 3m x 3m x 200mm thick in the vicinity of each column. Live load allowanceis 3.0kPa.
(a) Sketch a typical floor plan and indicate the tributary area onboth an internal column and corner column