This Architectural Drawing is AutoCAD 2d drawing of Typical replacement for single and continuous Spans beam. Single Span Beams are beams supported at two points only. Continuous Span Beams are beams supported at three or more points along their length. beam supported on both ends, which are fixed in place. Overhanging: A simple beam extending beyond its support on one end. Double overhanging: A simple beam with both ends extending beyond its supports. Continuous: A beam extending over more than two supports. For more details and information download the drawing file.