Dwellinghouses with two or more storeys more than 4.5m above ground level

Department for Communities and Local Government, (2019) Dwellinghouses with two or more storeys more than 4.5m above ground level. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 2: Means of escape - dwellinghouses, 1 (2.6). RIBA Publishing Publication, London, p. 13. ISBN 9781859469156

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Abstract

See Diagram 2.1d. In addition to meeting the provisions in paragraph 2.5, the dwellinghouse should comply with either of the following.
a. Provide an alternative escape route from each storey more than 7.5m above ground level. At the first storey above 7.5m, the protected stairway should be separated from the lower storeys by fire resisting construction (minimum REI 30) if the alternative escape route is accessed via either of the following.
i. The protected stairway to an upper storey.
ii. A landing within the protected stairway enclosure to an alternative escape route on the same storey. The protected stairway at or about 7.5m above ground level should be separated from the lower storeys or levels by fire resisting construction (see Diagram 2.4).
b. Provide a sprinkler system throughout, designed and installed in accordance with BS 9251.

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: alternative escape routes, principal storey, direct distance, single storey, storey exit, basement storey, height, fire compartment, protected stairway, entrance storey
Subjects: T Technology > TH Building construction > Building standards > fire safety - volume 1: dwellings. 2019 edition - for use in england > Section 2: Means of escape – dwellinghouses
K Law > The Building Regulations 2010 > B1: Means of warning and escape
T Technology > TH Building construction > Building standards
Date Deposited: 30 Jan 2020 20:33
Last Modified: 13 Oct 2021 19:41
URI: https://buildvoc.co.uk/id/eprint/97

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