Staircase sections details are given in this Autocad 2D DWG drawing file. 1:4 brick work were done. 8 nos of main dia 12mm provided. 8mm distributor bar is provided with 150mmc/c spacing. Length of thread is 250mm and depth of riser is 150mm. Other details are given clearly. Thank you for downloading the Autocad file and other CAD program files from our website.