Detail of roof section 2d view CAD structural block layout file in autocad format

Detail of roof section 2d view CAD structural block layout file in autocad format, column pier support detail, principal rafter detail, main and sag tie detail, pitch and rise detail, roofing materail detail, purlin detail, front elevation detail, struts detial, welded and bolted joints and connection detail, side elevatio detail, scale 1:25 detail, namings detail, dimension detail, etc.