BS ISO 21927-7-2017 Smoke and heat control systems Smoke ducts sections《烟和热控制系统 烟道节段》.pdf

1、Smoke and heat control systemsPart 7: Smoke ducts sectionsBS ISO 219277:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of ISO 219277:2017.The UK participation in its preparation was entrusted to Tec

2、hnical 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 applica

3、tion.ISBN 978 0 580 84641 0ICS 13.220.20Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2017.Amendments/corrigenda issued since publicationDate Text affe

4、cted BRITISH STANDARDBS ISO 219277:2017 ISO 2017Smoke and heat control systems Part 7: Smoke ducts sectionsSystmes pour le contrle des fumes et de la chaleur Partie 7: Sections des conduits de dsenfumageINTERNATIONAL STANDARDISO21927-7First edition20170401Reference numberISO 219277:2017(E)BS ISO 219

5、277:2017ISO 21927-7:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, includi

6、ng 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 ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH1214 Vernier, Geneva, SwitzerlandTel. +41

7、 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 219277:2017ISO 21927-7:2017(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Smoke control duct section requirements 34.1 General . 34.1.1 Fire resistance multicompartment smoke control duct

8、section . 34.1.2 Fire resistance single compartment smoke control duct section . 44.2 Construction and components: Characteristics . 44.2.1 Construction and operation . 44.2.2 Structural supports used for smoke control duct sections . 44.2.3 Duct sealant materials used in or between smoke control du

9、ct sections 44.2.4 Penetration seals between fire compartments 44.2.5 Other components 54.3 Fire resistance performance criteria: Multi-compartment fire resisting smoke control duct sections 54.3.1 Integrity, insulation, leakage 54.3.2 Fire resistance classification and designation 64.4 Fire resista

10、nce performance criteria: Single compartment smoke control duct sections . 64.4.1 Integrity, leakage 64.4.2 Fire resistance classification and designation 65 Test methods . 75.1 Ambient leakage tests . 75.2 Fire resistance tests 75.2.1 General 75.2.2 Smoke control duct section: integrity and insulat

11、ion 75.2.3 Leakage rated smoke control duct section 86 Marking and documentation . 87 Product, installation and maintenance information (documentation) 87.1 Product specification . 87.2 Installation information 87.3 Maintenance information 9Annex A (informative) Example of inspection and maintenance

12、 procedure .10Bibliography .11 ISO 2017 All rights reserved iiiContents PageBS ISO 219277:2017ISO 21927-7:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards

13、is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and nongovernmental, in liaison with ISO, also take par

14、t in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particul

15、ar the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this

16、document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.is

17、o.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as informa

18、tion about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 21, Equipment for fire protection and fire fighting, Subcommittee SC 11, S

19、moke and heat control systems and components.A list of all parts in the ISO 21927 series can be found on the ISO website.iv ISO 2017 All rights reservedBS ISO 219277:2017ISO 21927-7:2017(E)IntroductionThis document contains the basic performance and requirements for smoke control duct sections, whic

20、h are to be used in conjunction with pressure differential systems and smoke and heat control systems. They may also be used to pressurize when gas extinguishing systems are used.Particular reference is made to EN 1366-8 and EN 1366-9, which define the fire resistance testing associated with these p

21、roducts and EN 13501-4, which provides details on their fire resistance classification.In addition to the prevention of transmission of smoke and combustion products from a fire zone, smoke control duct sections are utilized to contain the spillage of otherwise harmful and toxic extinguishing gases

22、from the affected area, and for the control of pressurizing and excess air relief within pressurization systems.Smoke control systems are designed to fulfil three basic functions. a) The extraction of smoke from a single fire compartment to the outside of the building.b) The extraction of smoke from

23、 fire compartments of a building, using a SHEVS connected to one or more fire compartments. The smoke control duct may or may not pass through other compartments of the building to reach the outside of the building.c) The use of pressurization to maintain smoke free clear areas.Smoke control ducts a

24、re commonly used in smoke and heat control systems. They may serve single compartments or a number of different fire compartments. The systems may be dedicated smoke extraction or possibly a combined environmental ventilation/smoke extraction.The smoke and heat control system may remove smoke using

25、either high temperature fans (in accordance with ISO 219273) or natural ventilators (in accordance with ISO 219272). ISO 2017 All rights reserved vBS ISO 219277:2017ISO 21927-7:2017(E)Key1 fire compartment2 smoke reservoir3 air inlet4 smoke barrier5 powered smoke and heat exhaust ventilator (fan)6 s

26、moke control dampers for single compartments7 smoke control duct sections for single compartments8 smoke control duct sections for multi compartments9 smoke control dampers for multi compartments mounted inside or outside of wall or floor10 smoke control dampers for multi compartments mounted on the

27、 surface of the duct11 electrical equipmentFigure 1 Example of powered smoke and heat exhaust ventilationFurther guidance on the application of smoke control ducts may be found within the rest of the EN 12101 series and technical reports.The areas for which products supplied to this document are con

28、sidered applicable include, for example,a) commercial premises,b) shopping and retail centres,c) hospitals, andd) multiresidential buildings.Smoke control duct sections are intended for use in the following types of systems, including1) pressurization,2) pressure relief,3) extraction systems,4) duct

29、work systems, andvi ISO 2017 All rights reservedBS ISO 219277:2017ISO 21927-7:2017(E)5) inerting fire suppression systems.It is realized that all the above systems do not address smoke directly, but similar properties are required of such smoke control ducts to limit leakage in a fire and smoke cont

30、rol situation. ISO 2017 All rights reserved viiBS ISO 219277:2017This page deliberately left blankSmoke and heat control systems Part 7: Smoke ducts sections1 ScopeThis document applies to smoke control duct sections placed on the market and intended to operate as part of a pressure differential sys

31、tem or smoke and heat exhaust system. This document specifies requirements and gives reference to the test methods defined for smoke control duct sections and their associated components (for example, hangers and other items proven at the time of testing), which are intended to be installed in such

32、systems in buildings. Furthermore, marking and information on installation and maintenance of these products are also given in this document.NOTE To avoid duplication, reference is made to a variety of other standards. To this end, this document can be read in conjunction with EN 1366-8, EN 1366-9 a

33、nd ISO 6944-1, for details of the fire resistance testing and EN 13501-4 for corresponding classification.This document has not considered in detail the detrimental and/or corrosive effects that may be caused by process chemicals present in the atmosphere, which are drawn through the system intentio

34、nally or inadvertently.This document also governs associated components used together with smoke control duct sections such as turning vanes and silencers, with the exception of natural and powered smoke ventilators and smoke control dampers, which are covered by separate standards.Ducts for use oth

35、er than in smoke and heat exhaust/control systems are not covered by this document.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies

36、. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 13943, Fire safety VocabularyEN 13668, Fire resistance tests for service installations Part 8: Smoke extraction ductsEN 13669, Fire resistance tests for service installations Part 9: Single

37、 compartment smoke extraction ductsEN 135014, Fire classification of construction products and building elements Part 4: Classification using data from fire resistance tests on components of smoke control systems3 Terms and definitionsFor the purposes of this document, the terms and definitions give

38、n in ISO 13943 and the following apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obpINTERNATIONAL STANDARD ISO 21927-7:20

39、17(E) ISO 2017 All rights reserved 1BS ISO 219277:2017ISO 21927-7:2017(E)3.1air inletdevice connected to outside air to allow the entry of air from outside the construction works3.2elevated temperaturetemperatures in excess of normal ambient air, below those necessary for fire resistance testing, to

40、 which smoke and heat exhaust ducts for single compartments are tested3.3fire compartmentenclosed space comprising one or more separate spaces, bounded by elements of construction having a specified fire resistance and intended to prevent the spread of fire (in either direction) for a given period o

41、f time3.4natural smoke and heat control systemsmoke and heat ventilation system which uses natural ventilationNote 1 to entry: Natural ventilation is caused by buoyancy forces due to differences in density of the gases because of temperature differences.3.5penetration sealproduct used between the sm

42、oke control duct and the fire compartment boundary structure to maintain the fire resistance, when tested and having met the requirements of EN 1366-8, at the position where a smoke control duct passes through the element3.6powered smoke and heat exhaust systemsmoke and heat ventilation system which

43、 utilizes a number of hot gas fans that are suitable for handling hot gases for a limited period of time which causes the positive displacement of gases3.7pressure differential systemssystem of fans, ducts, vents and other features provided for the purposes of creating a lower pressure in the fire z

44、one than in the protected space3.8smoke and heat exhaust ventilation systemSHEVSsystem consisting of products and/or components jointly selected to exhaust smoke and heatNote 1 to entry: The products and/or components form a system in order to establish a buoyant layer of warm gases above cooler cle

45、aner air.3.9smoke and heat exhaust ventilatorSHEVdevice specially designed to move smoke and hot gases out of a construction works under conditions of fire3.10smoke barrierobstruction to restrict the spread of smoke and hot gases from a fire, forming part of the boundary of a smoke reservoir or used

46、 as a channelling screen, or used as a void edge boundary3.11smoke control damperdevice automatically or manually activated, which may be open or closed in its operational position, to control the flow of smoke and hot gases into, from or within a duct2 ISO 2017 All rights reservedBS ISO 219277:2017

47、ISO 21927-7:2017(E)3.12smoke control ductsmoke control duct which passes horizontally through vertical walls3.13smoke control ductfire resisting smoke control ducts built from more than one smoke control duct section for use in multicompartment applications designed to transport smoke and/or hot gas

48、es away from the source of a fireNote 1 to entry: May also have a dual function as a normal air conditioning duct.3.14smoke control ductsmoke control ducts built from more than one smoke control duct section for use within single fire compartment application designed to transport smoke and/or hot ga

49、ses away from the source of a fireNote 1 to entry: May also have a dual function as a normal air conditioning duct.3.15smoke control ductelement of smoke control duct constructed to form part of a smoke control system3.16smoke control ductsmoke control duct which passes vertically through horizontal floors3.17smoke layercovering of smoke that stabilizes underneath the roof due to the effect of temperature gradient3.18smoke reservoirregion within a building limited or bordered by smoke barriers or structural