British Standards Institution

Source:: CEN
Committee:: FSH/22/-/9 - Fire resistance tests for ducts, including smoke extract ducts
Categories:: Information management | Standardization. General rules | Construction | Construction materials and building | Chimneys. Shafts. Ducts

Scope

This Part of EN 1366 specifies a method for determining the fire resistance of horizontal 1-, 2- or 3-sided ventilation ducts and ducts whose fire resistance depends on the fire resistance performance of a ceiling or wall (where ducts are located in cavities enclosed by fire-resistant shafts or ceilings). The test examines the behaviour of ducts exposed to fire from the outside (duct A) and fire inside the duct (duct B). This Standard is used in conjunction with EN1363-1.

This test method does not take into consideration the effect of spalling or deflection of the adjoining floor/wall. This test method is only applicable to ventilation ducts that have passed the test for the appropriate time period according to EN1366-1 (Duct A and B) in vertical and horizontal orientations.

The test specimens should not incorporate access panels, these are tested in accordance with EN1366-1

Purpose

PWI 00127228 was cancelled by CCMC on 2017-06-27 so to allow work to continue on prEN 1366-XX 1-, 2-, 3- sided ducts and progress to the CEN Enquiry stage a NWI is needed.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

19/12/2022

Proposal end date:

31/01/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

Decision 1105: NWI for prEN 1366-XX 1-, 2- 3- sided ducts

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