Table 9.1 Maximum nominal internal diameter of pipes passing through a compartment wall/floor

Department for Communities and Local Government, (2019) Table 9.1 Maximum nominal internal diameter of pipes passing through a compartment wall/floor. [Image]

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Abstract

NOTES:
1. Any metal (such as cast iron, copper or steel) which, if exposed to a temperature of 800°C, will not soften or fracture to the extent that flame or hot gas will pass through the wall of the pipe.
2. uPVC pipes that comply with either BS 4514 or BS 5255.
3. These diameters are only in relation to pipes that form part of an above-ground drainage system and are enclosed as shown in Diagram 9.1. In other cases, the maximum diameters given for situation 5 apply.

Item Type: Image
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: pipe, factory-made metal chimneys (also known as system chimneys), non-self-resetting energy cut-out
Subjects: B3: Internal fire spread (structure)
Section 09: Protection of openings and fire‑stopping
Building standards
Depositing User: Umesh Pardale
Date Deposited: 11 May 2020 05:51
Last Modified: 29 Sep 2022 21:03
URI: https://buildvoc.co.uk/id/eprint/888

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