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ISO 21524:2021

(Main)

Fire resistance tests — Elements of building construction — Requirements for active fire curtains

Fire resistance tests — Elements of building construction — Requirements for active fire curtains

This document specifies requirements for the design, testing and classification of active fire curtains, applicable to any material, that are designed to provide fire and smoke resistance. This document gives recommendations for the application, installation and maintenance of active fire curtains. It is also intended to provide guidance and recommendations for designers, specifiers (e.g. architects, fire engineers), authorities having jurisdiction (AHJs), installers and maintainers for the following: a) creating compartmentation; b) creating protected routes for the purpose of means of escape; c) providing protection at the location of non-fire resisting elements (e.g. in front of non-fire-resisting glazing and doorsets) where required for compartmentation or protecting means of escape; d) providing fire- and smoke-resistant active fire curtains in conjunction with non-smoke rated products protecting openings to reduce leakage of smoke. This document does not apply to the following, which are intended for a different use: — barriers made of part of the building’s structure; — theatre/proscenium textile curtains; — smoke barriers according to ISO 21927-1; — door and shutter assemblies according to ISO 3008‑1. NOTE 1 Smoke barriers used solely for smoke control are covered by ISO 21927‑1. Such smoke barriers are not considered to be active fire curtains. NOTE 2 Requirements of fire doors are given in ISO 3008-1. Requirements for leakage are given in ISO 5925‑1 and further information is given in ISO/TR 5925‑2.

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General Information

Status
Published
Publication Date
04-Jul-2021
ICS
13.220.50 - Fire-resistance of building materials and elements
Technical Committee
ISO/TC 92/SC 2 - Fire containment
Drafting Committee
ISO/TC 92/SC 2/WG 1 - General requirements
Current Stage
6060 - International Standard published
Start Date
05-Jul-2021
Due Date
21-Jul-2020
Completion Date
05-Jul-2021
Ref Project
ISO 21524:2021 - Fire resistance tests -- Elements of building construction -- Requirements for active fire curtainsISO 21524:2021 - Fire resistance tests -- Elements of building construction -- Requirements for active fire curtains
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Standard
ISO 21524:2021 - Fire resistance tests -- Elements of building construction -- Requirements for active fire curtains
English language
114 pages
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Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 21524
First edition
2021-07
Fire resistance tests — Elements
of building construction —
Requirements for active fire curtains
Reference number
©
ISO 2021
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbols . 4
5 Requirements . 5
5.1 General . 5
5.2 Side retention . 6
5.3 Additional requirements for multiple active fire curtains . 7
5.3.1 Multiple active fire curtains . 7
5.3.2 Required overlap . 9
5.3.3 Larger than tested . . 9
5.4 Horizontal or angled . 9
5.5 Pass door(s) .11
5.6 Vision panels .12
6 Sampling .13
6.1 Test samples, testing and conformance criteria .13
7 Test methods .14
7.1 General .14
7.2 Durability and force gauge .15
7.3 Reliability and durability.15
7.4 Deployment .15
7.4.1 Response time and velocity .15
7.4.2 Delayed and/or multi-positional deployment .16
7.4.3 Emergency egress control .16
7.4.4 Emergency access control . .16
7.5 Smoke leakage .16
7.5.1 General.16
7.5.2 Total smoke leakage of active fire curtains with smoke-resistance .16
7.6 Fire resistance .16
7.6.1 General.16
7.6.2 Integrity .17
7.6.3 Insulation .17
7.6.4 Radiation (heat flux) .17
7.6.5 Deflection zone .18
7.6.6 Initial deployment .18
7.6.7 Operation following initial deployment — emergency egress .18
7.6.8 Operation following initial deployment — emergency access.18
7.6.9 Delayed and/or multi-positional deployment .18
7.7 Reaction to fire .18
7.8 Ancillary devices.19
7.8.1 General.19
7.8.2 Ancillary devices activation .19
7.8.3 Hold-open devices .19
7.8.4 Fire detection and alarm systems .19
7.8.5 Sensory equipment for obstruction warning .19
7.8.6 Pressure-sensitive protective equipment (PSPE).19
7.8.7 Self-test facility for dwellings .19
8 Marking, labelling and packaging .20
Annex A (normative) General requirements for testing .21
Annex B (normative) Order of testing .24
Annex C (normative) Fire-resistance test method .26
Annex D (normative) Overlapping multiple active fire curtains .41
Annex E (normative) Test method for active fire curtains reliability and response time and
the durability of materials .43
Annex F (normative) Test method for reliability of motor operation at elevated temperatures .46
Annex G (normative) Calculation of ambient temperature smoke leakage .52
Annex H (normative) Test method for the durability and reliability of alternative or
additional motors .55
Annex I (normative) Test method for ancillary and optional equipment .58
Annex J (normative) Test method for durability and force gauge .62
Annex K (informative) Typical product performance summary .65
Annex L (normative) System design .67
Annex M (informative) Installation.79
Annex N (informative) Commissioning .83
Annex O (informative) Inspection, testing and maintenance .86
Annex P (informative) Typical approving authority pre-installation checklist .88
Annex Q (informative) An engineered approach to using radiative heat flux for tenable
conditions for single-level horizontal routes .89
Annex R (informative) Yarns and fabric materials .99
Annex S (informative) Typical installation checklist .100
Annex T (informative) Model installation certificate .103
Annex U (informative) Typical inspection checklist .105
Annex V (informative) Model commissioning certificate.107
Annex W (informative) Model completion certificate .109
Annex X (informative) Model servicing certificate .111
Bibliography .113
iv © ISO 2021 – All r
...

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