Diagram 11.4 Status of materials achieving class B-s3, d2 or worse as unprotected area

Department for Communities and Local Government, (2019) Diagram 11.4 Status of materials achieving class B-s3, d2 or worse as unprotected area. [Image]

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Abstract

Area of fire resisting wall with materials more than 1mm thick and with a reaction to fire performance worse than class B-s3, d2 = a x b
Area of wall counted as unprotected area = 0.5a x b
Area of fire resisting wall with materials having a reaction to fire performance better than class B-s3, d2
See para 11.7

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Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: unprotected area, fire resistance, non-combustible material, protected entrance hall/landing, compartment wall or floor, compartment wall or floor, communal or common (area facilities or entrances), free area, fire safety - volume 2: buildings other than dwellings. 2019 edition - for use in england, total useful floor area
Subjects: T Technology > TH Building construction > Building standards > fire safety - volume 1: dwellings. 2019 edition - for use in england > Section 11: Resisting fire spread from one building to another
K Law > The Building Regulations 2010 > B4: External fire spread
T Technology > TH Building construction > Building standards
Date Deposited: 14 Mar 2020 09:45
Last Modified: 13 Oct 2021 19:41
URI: https://eprints.buildvoc.co.uk/id/eprint/937

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