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BS ISO 21927-5:2018

Current

Current

The latest, up-to-date edition.

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

£198.00
Excluding VAT

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.

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
Supersedes

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.

Standards Relationship
ISO 21927-5:2018 Identical

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