Stair Details DWG Plan 1 50 Scale Basement to Fourth Floor Layout

This AutoCAD DWG file provides comprehensive stair details, including multiple stair plans from basement levels B3 to B2, B2 to B1, B1 to ground floor, ground floor, second to third floor, third to fourth floor, and fourth floor layout, all designed at 1 50 scale with precise dimensional accuracy. The drawing includes detailed staircase configurations with landing positions, step arrangements, fire exit access, directional flow markings, and structural wall boundaries. Key measurements such as 6200 mm and 6350 mm total stair lengths, tread and riser proportions, and landing widths like 1250 mm and 2200 mm are clearly defined for construction accuracy. The layout also highlights fire exit positioning and circulation paths, ensuring safety compliance in multi-level buildings. This DWG file is highly suitable for architects, civil engineers, and CAD professionals requiring detailed stair design drawings for basement to upper floor connectivity in residential and commercial projects