Smoke and heat control systems Powered smoke exhaust systems. Requirements and design

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-12-2018

Publisher

British Standards Institution

This document applies to powered smoke exhaust systems in spaces with a large area and with a ceiling height of minimum 3 m, in which smoke protection is required.

This document applies to powered smoke exhaust systems in spaces with a large area and with a ceiling height of minimum 3m, in which smoke protection is required. It includes tables and calculation methods for the design of clear layers in order to comply, inter alia, with the requirements of various protection objectives.

This document includes information and provisions concerning the requirements for powered smoke exhaust systems, their design and rules for their installation.

NOTE The requirements for testing the ventilators are dealt with in ISO21927‑3. Other parts of the ISO21927 series of standards deal with the power supply (ISO21927‑10), control equipment (ISO21927‑9) and smoke control ducts and smoke control dampers (ISO21927‑7 and ISO21927‑8 respectively).

Design, as specified in this document, does not apply to:

spaces with fixed gas extinguishing systems;
storage facilities for hazardous materials;
spaces in which there is a risk of explosions;
corridors;
stairwells.

Committee	FSH/25
DocumentType	Standard
ISBN	9780580988974
Pages	22
ProductNote	This Standard also refer as ISO 21927‑1,ISO 21927‑7,ISO 21927‑7,ISO 21927‑10,EN 54‑7
PublisherName	British Standards Institution
Status	Current
SupersededBy	17/30362105 DC : DRAFT AUG 2017
Supersedes	BS ISO 21927-9:2012

Standards	Relationship
ISO 21927-5:2018	Identical

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BS ISO 21927-5:2018

Smoke and heat control systems Powered smoke exhaust systems. Requirements and design

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