Staircase construction and housing plan detail 2d view CAD structural detail layout dwg file, plan view detail, wall and floorings detail, dimension detail, numberings detail, floor level detail, reinforced concrete cement (RCC) structure, specification detail, cut out detail, scale 1:50 detail, column structure detail, stairway detail, reinforcement detail in tension and compression zone, steps detail, riser and thread detail, riser height and thread width detail, cut out detail, main and distribution bars detail, section line detail, sections detail, etc.