Brief Overview of Outdoor Escape staircase
An Outdoor Escape Staircase, often termed an exterior evacuation stair, is a critical life-safety system installed on the exterior facade of a building. Its primary function is to provide a protected and continuous egress path to the ground level during emergencies such as fire, when internal corridors and stairwells may be compromised by smoke or flames. By being fully open to the outdoors, it offers inherent advantages in preventing smoke accumulation, which is a major threat during evacuations. Building codes have specific requirements for these stairs; for instance, they must be constructed from non-combustible materials like steel, have a minimum width, and feature fire-resistant doors at every access point. While its design is fundamentally utilitarian, a well-integrated escape staircase can also contribute to the architectural aesthetic of a building's exterior
