Cross section of beam and lintel beam has given in the Autocad 2D DWG drawing file. Size of Beam B1 & B2 is 230x300mm. Length and breadth of lintel beam is 300x300mm. For beam B1&B2, 3nos of 12mm bar used at top and bottom too. 2 legged 8mm stirrups is used with the spacing of 150mmc/c. Thank you for downloading the AutoCAD drawing file and other CAD program files from our website.