This architectural drawing is Detail drawing of structural component in AutoCAD 2D, dwg file, CAD file. Primary structural component refers to any part of a building's main load-bearing structure, such as the footings, piles, foundations, columns, girders, beams, joists, wind or seismic bracing, but excludes sheathing or subflooring for the purposes of this code. For more details and information download the drawing file.