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: part f - ventilation, escape route, extract ventilation, fire protection
Subjects: Section 09: Protection of openings and fire‑stopping
B3: Internal fire spread (structure)
Building standards
Date Deposited: 04 Mar 2020 22:23
Last Modified: 29 Sep 2022 21:01
URI: https://buildvoc.co.uk/id/eprint/891

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