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The Potemkin Stairs in Odesa, Ukraine. In architecture, a perron generally refers to an external stairway to a building. Curl notes three more-specific usages: the platform-landing reached by symmetrical flights of steps leading to the piano nobile of a building; the steps themselves; or the platform base of edifices like a market cross. [1]
An exterior stairway is a stair in a separate structure attached to the rest of the building body, [3] and can either be enclosed or exposed to the elements. Such temporary exposed stairways are sometimes used in conjunction with scaffolding on construction sites, or permanently as an emergency exit .
Elevation view of the Panthéon, Paris principal façade Floor plans of the Putnam House. A house plan [1] is a set of construction or working drawings (sometimes called blueprints) that define all the construction specifications of a residential house such as the dimensions, materials, layouts, installation methods and techniques.
Many building codes require stair nosings for commercial, industrial, or municipal stairs. [7] They provide additional length to the tread without changing the pitch of the stairs. Starting or feature tread: Where stairs are open on one or both sides, the first step above the lower floor or landing may be wider than the other steps and rounded.
Traditionally, in North American cities, the stoop served an important function as a spot for brief, incidental social encounters. Homemakers, children, and other household members would sit on the stoop outside their home to relax, and greet neighbors passing by.
A building code (also building control or building regulations) is a set of rules that specify the standards for construction objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission , usually from a local council.
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Binggeli, Corky (2011). "Structural Systems § Exit Stairs". Building Systems for Interior Designers (2nd ed.). John Wiley and Sons. ISBN 978-1-118-17432-6. Burke, Robert A. (2008). Fire protection: systems and response. CRC Press. ISBN 978-1-56670-622-3. Bush, Vincent R. (1988). Handbook to the uniform building code: an illustrative commentary ...