Small single stair buildings

Department for Communities and Local Government, (2019) Small single stair buildings. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 3: Means of escape – flats, 1 (3.28). RIBA Publishing Publication, London, p. 28. ISBN 9781859469156

Full text not available from this repository.

Abstract

For some low rise buildings, the provisions in paragraphs 3.26 and 3.27 may be modified and the use of a single stair, protected in accordance with Diagram 3.9, may be permitted where all of the following apply.
a. The top storey of the building is a maximum of 11m above ground level.
b. No more than three storeys are above the ground storey.
c. The stair does not connect to a covered car park, unless the car park is open sided (as defined in Section 11 of Approved Document B Volume 2).
d. The stair does not serve offices, stores or other ancillary accommodation. If it does, they should be separated from the stair by a protected lobby or protected corridor (minimum REI 30) with a minimum 0.4m2 of permanent ventilation, or be protected from the ingress of smoke by a mechanical smoke control system.
NOTE: For refuse chutes and storage see paragraphs 3.55 to 3.58.
e. Either of the following is provided for the fire and rescue service.
i. A high-level openable vent with a free area of at least 1m2 at each storey.
ii. A single openable vent with a free area of at least 1m2 at the head of the stair, operable remotely at the fire and rescue service access level.

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: free area, rise, principal storey, single storey, basement storey, height, firefighting lift, firefighting lift, fire safety - volume 2: buildings other than dwellings. 2019 edition - for use in england, direct distance
Subjects: T Technology > TH Building construction > Building standards > fire safety - volume 1: dwellings. 2019 edition - for use in england > Section 3: Means of escape – flats
K Law > The Building Regulations 2010 > B1: Means of warning and escape
T Technology > TH Building construction > Building standards
Date Deposited: 01 Feb 2020 08:08
Last Modified: 13 Oct 2021 19:42
URI: https://eprints.buildvoc.co.uk/id/eprint/235

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