Roofing structure detail 2d view CAD construction unit layout autocad file

Roofing structure detail 2d view CAD construction unit layout autocad file, principal rafter detail, dimension detail, column pier support detail, struts detail, main and sag tie detail, hatching detail, pitch detail, riser detail, foundation detail, namings detail, hidden line detail, purlin detail, welded and bolted joints and connection, etc.