Free area of smoke ventilators

Department for Communities and Local Government, (2019) Free area of smoke ventilators. In: Approved Document B: Fire Safety - Volume 1: Dwellings. Appendix D: Methods of measurement, 1 (D5). RIBA Publishing Publication, p. 144.

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Abstract

The free area of a smoke ventilator should be measured by either of the following.
a. The declared aerodynamic free area in accordance with BS EN 12101-2.
b. The total unobstructed cross-sectional area (geometric free area), measured in the plane where
the area is at a minimum and at right angles to the direction of air flow (Diagram D7).

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: free area, diagram d3 area, measurement, cavity barrier
Subjects: Appendix D: Methods of measurement
Building standards
Depositing User: admin
Date Deposited: 18 Jul 2020 06:42
Last Modified: 29 Sep 2022 21:01
URI: https://buildvoc.co.uk/id/eprint/1120

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