Design of staircase to the rooftop

Quick answer：

The design of a rooftop staircase involves considerations for safety, accessibility, and aesthetics. It should comply with local building codes and regulations. Key aspects include selecting the appropriate staircase type (e.g., straight, spiral, or L-shaped), ensuring sufficient width and headroom, incorporating handrails and non-slip surfaces, and possibly integrating lighting and ventilation. Additionally, factors like material choice, fire ratings, and emergency egress routes should be taken into account.