Department for Communities and Local Government, (2019) Dwellinghouses with one storey 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 (2.5). RIBA Publishing Publication, London, p. 11. ISBN 9781859469156
Full text not available from this repository.Abstract
See Diagram 2.1c. The dwellinghouse should have either of the following.
a. Protected stairway – a stair separated by fire resisting construction (minimum REI 30) at all storeys, that complies with one of the following.
i. Extends to a final exit (Diagram 2.2a).
ii. Gives access to a minimum of two ground level final exits that are separated from each other by fire resisting construction (minimum REI 30) and fire doorsets (minimum E 20) (Diagram 2.2b).
Cavity barriers or a fire resisting ceiling (minimum EI 30) should be provided above a protected stairway enclosure (Diagram 2.3).
b. Alternative escape route – a top storey separated from lower storeys by fire resisting construction (minimum REI 30) and with an alternative escape route leading to its own final exit.
| Item Type: | Book Section |
|---|---|
| Additional Information: | mml-maui-text-analytics-keywords |
| Uncontrolled Keywords: | alternative escape routes, alternative exit, fire doorset, construction lead, fire protection, final exit, protected stairway, cavity barrier, storey, construction |
| Subjects: | Section 02: Means of escape – dwellinghouses Building standards |
| Date Deposited: | 30 Jan 2020 20:26 |
| Last Modified: | 25 Dec 2022 12:34 |
| URI: | https://buildvoc.co.uk/id/eprint/94 |
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