Existing and new column reinforcement typical Section details are given in this 2D AutoCAD DWG drawing. new bars to be positioned to match the existing cover, Existing pile details, new reinforcement, existing reinforcement, and Sectional details are clearly given in this drawing file. section details are given in this DWG file. Download the AutoCAD 2D DWG file. Thank you so much for downloading the DWG file from the cadbull website.