The architecture residence house building section CAD drawing that shows right side façade and rear façade view which consist in external stairs invariably the tracks will be 30cm and the peraltes of 17.5cm, see leveling of each particular case in exterior work plan and flat fine finish on both side faces of the ladder. The length and breadth of the plan is 15m and 19m respectively. Download the 2D Autocad drawing file. Thank you downloading the 2D AutoCAD DWG drawing file and other CAD program files from our website.