Diagram 9.3 Ductwork passing through protected escape routes – method 2 or method 3

Department for Communities and Local Government, (2019) Diagram 9.3 Ductwork passing through protected escape routes – method 2 or method 3. [Image]

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Abstract

NOTE:
Ventilation ducts which serve other parts of the building should not supply or extract air directly to or from a protected escape route.
Ductwork enclosed in fire resisting construction classified EI X in accordance with BSEN13501-2 (fire exposure from the duct side), or fire resisting ductwork classified EIS X in accordance with BS EN 13501-3, where X is the fire resistance rating (in minutes) of the walls of the protected escape route
See para 9.16

Item Type: Image
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: alternative escape routes, escape route, fire damper, fire resistance, compartmentation, fire resisting (Fire resistance), protected corridor/lobby, extract ventilation, protected shaft, fire-separating element
Subjects: T Technology > TH Building construction > Building standards > fire safety - volume 1: dwellings. 2019 edition - for use in england > Section 9: Protection of openings and fire‑stopping
K Law > The Building Regulations 2010 > B3: Internal fire spread (structure)
T Technology > TH Building construction > Building standards
Date Deposited: 04 Mar 2020 22:23
Last Modified: 13 Oct 2021 19:41
URI: https://eprints.buildvoc.co.uk/id/eprint/891

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