Construction of escape stairs The flights and landings of every escape stair should be constructed of materials of limited combustibility in the following situations: • If it is the only stairs serving the building, or part of the building unless the building is of two or three storeys and is in Purpose Group 1(a) or Purpose Group 3 • If it is within a basement storey (this does not apply to a private stair in a maisonette) • If it serves any storey having a floor level more than 18m above the ground or an access level • If it is external, except in the case of a stair that connects the ground floor or paving level with a floor or flat roof not more than 6m above or below ground level • If it is a firefighting stair Protection of escape emergency routes and exits Passageways, corridors, and doors form part of the escape route or routes in a building and have two classifications, protected and unprotected. Protected Escape Routes are corridors entered by fire doors leading to the open air. Unprotected Escape Routes are normally corridors linking parts of a building sometimes connecting to protected escape routes. Passageways or Corridors To ensure that escape routes are effective and will allow easy and unobstructed escape they should always be kept clear of obstructions and blockages. No materials which could increase the fire hazard should ever be placed within an escape route, especially if that is the only escape route from the building or area. Certain flammable materials
©SHEilds – All rights reserved FC V 5 JUN 2021
Page 17 of 41
Made with FlippingBook Digital Publishing Software