1000 mm to 1800 mm, depends on the maximum number of people served by the stairway and the number of floors being served.Ībove: escape stair width for the UK excerpted from UK FIRE SAFETY, VOLUME 2 cited below.Be sure to check with your local building and fire officials for the specific fire escape stair parameters for your country, city, jurisdiction.Photo: a third floor fire escape required by local building code officials for a Poughkeepsie, New York home whose third floor is used as a sleeping area. excerpts from the New York City Fire Escape Code cited below. Fire escape stairways shall extend to the ground or be provided with counterbalanced stairs reaching the ground.Įxception: For fire escape stairways serving 10 or fewer occupants, an approved fire escape ladder is allowed to serve as the termination. The lowest balcony shall not be more than 18 feet (5486 mm) from the ground. Fire escape stairways and balconies shall support the dead load plus a live load of not less than 100 pounds per square foot (4.78 kN/m2).įire escape stairways and balconies shall be provided with a top and intermediate handrail on each side. Stairway Widths for Escape Stairs & Fire Escapesįire safety codes specify a number of parameters including dimensions for indoor fire-stairs as well as outdoor fire escapes - as we will describe here.Ĭomponents of fire escape stairways shall be constructed of noncombustible materials. ![]() We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article series lists all major building code specifications for stairs, railings, landings, and guardrails - information useful for constructing or inspecting indoor or outdoor stairs, railings, landings, & treads, and for evaluating stairways and railings for safety and proper ![]() Page top photo: an exterior fire-escape on a six-story New York City building. ![]() We have no relationship with advertisers, products, or services discussed at this website.įire escape stairway width requirements & the history of building fire escapes for both residential properties and larger, multi-story buildings are described here, including both indoor fire stairs and outdoor fire escapes. InspectAPedia tolerates no conflicts of interest.
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