Building structure plan, elevation and section 2d view CAD constructive unit layout autocad file, plan view detail, hidden line detail, door and window detail, numberings detail, dimension detail, floor level detail, staircase detail, reinforced concrete cement (RCC) structure, specification detail, terrace plan detail, hatching detail, riser and thread detail, front elevation detail, rear elevation detail, side elevation detail, seaction line detail, section detail, leveling detail, etc.