BS ISO BRITISH STANDARD 21927-1:2008 Smoke and heat control systems Part l: Specification for smoke barriers ICS 13.220.20, BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 21927-1:2008 National foreword This British Standard is the UK implementation of ISO 21927-1:2008. The UK participation in its preparation was entrusted to Technical Committee FSH/25, Smoke, heat control systems and components. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 November 2008 BSI 2008 ISBN 978 0 580 54817 8 BS ISO 21927-1:2008 ISO INTERNATIONAL STANDARD 21927-1 First edition 2008-01-15 Smokeandheatcontrolsystems Part 1: Specificationforsmokebarriers Systemespourlecontrole des fumées etde lachaleur- Partie1:Spécifications des écrans de fumée Referencenumber ISO 21927-1:2008(E) @ISO 2008 BS ISO 21927-1:2008 ISO21927-1:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ? ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means. ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ISO2008-All rights reserved BS ISO 21927-1:2008 ISO 21927-1:2008(E) Contents Page Foreword.. iv Introduction Scope 2 Normative references ... 3 Terms and definitions. 4 Symbols 5 Product requirements. 5.1 General..... 5.2 Barriertypes 5.3 Auxiliarypower supply .... 5.4 Smoke (fire effluent) leakage. 5.5 Reliability.. 5.6 Responsetime. 6 Performance requirements and classifications. 6.1 General..... 6.2 Temperature/timeclassification 6.3 Reliability and durability of smoke barriers 6.4 Responsetimeofactivesmokebarriers. 6.5 Smokeleakage (containmentefficiency) 7 Conformityassessment.. 15 7.1 General... 7.2 Initial type testing 16 7.3 Factory production control (FPC) 16 8 Installation. 9 Maintenance 18 10 Marking and labelling .... 18 Annex A(normative)General testing requirements... 19 Annex B (normative)Reliability and response time tests... 2 AnnexC (normative)Permeabilityof materialsto smoke... 23 AnnexD(normative)Temperature/time resistancetests. 24 Annex E(informative)Deflection of smoke barriers... 29 Annex F(normative)Special classification categories at 3oo °c 36 Bibliography... 37 ISO 2008 - All rights reserved ii BS ISO 21927-1:2008 ISO21927-1:2008(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies)._The work of preparing International Standards is normally carried out through isO non-governmental, in liaison_with isO, also take part in the work. iso collaborates closely with the InternationalElectrotechnicalComm