This architectural drawing, Section A-A’, showcases a detailed side elevation of a staircase, including key measurements and structural components. The stairs have a tread depth of 0.25 meters and a riser height of 0.17 meters, with a landing width of 0.90 meters. The section also highlights the reinforced cement concrete (RCC) slab above the staircase and the parapet wall for safety. This design provides clear dimensions and structure, making it ideal for architects, engineers, and builders looking for precise details on stair construction. The drawing is perfect for use in residential, commercial, or public building projects that require safe and functional stair design.