Details of Longitudinal section of beam were given in this Autocad 2D DWG drawing file. There are two beam section details given in this drawing file. At B3, 2 legged stirrups 8mm bar with spacing of 200c/c. At B4, 2 legged stirrups 8mm bar with spacing of 150c/c. Number of bars, size of bars and spacing were provided. Thank you for downloading the Autocad file and other CAD program files from our website.