Heritage building structure detail 2d view CAD block layout file in dwg file, front elevation detail, wall and floorings detail, dimension detail, brick masonry detail, scale 1:25 detail, RCC structure, door and window detail, staircase detail, plan view detail, sanitary toilet detail, numbering detail, specification detail, section line detail, section 1-1 detail, section 2-2 detail, roofing structure, roofing material detail, etc.