ISO INTERNATIONAL STANDARD 23932-1 First edition 2018-09 Fire safety engineering General principles - Part 1: General Ingenierie de la sécurite incendie-Principes generaux- Partie1:Generalités Reference number ISO 23932-1:2018(E) Intemational Organization for Standardization Standards and Technology 9972181 @ IS0 2018 IS023932-1:2018(E) COPYRIGHTPROTECTEDDOCUMENT @IS02018 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 orIso's memberbody in the countryof therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier,Geneva Phone:+41227490111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland Intemationaibr Drganization for Standardization Uicensee-Shenzhen Institute of Standards andeclSg&- All rights reserved ous National Standards Bodies No reproduction or networking permitted without license from IH IS023932-1:2018(E) Contents Page Foreword ..V Introduction.. ...vi 1 Scope 2 Normative references 3 Terms and definitions 4 Overview of the FSE process 5 SetFSEprojectscope ..6 6 IdentifyFSOs .7 6.1 General .7 6.2 Lifesafety .7 6.3 Property protection. .8 6.4 Continuity of operations 6.5 Protection oftheenvironment .8 6.6 Protection ofheritage ..8 7 IdentifyFRs 8 Select risk analysis approach .9 8.1 General .9 8.2 Comparative versus absolute approach .11 8.3 Qualitativeanalysis ..11 8.4 Deterministic analysis .12 8.5 Probabilistic analysis. .12 8.5.1 General. .12 8.5.2 Semi-quantitative risk analysis ..12 8.5.3 Quantitative risk analysis ..12 9 IdentifyPCs .13 10 Createfire safetydesignplan ..13 11 Determine design scenarios .14 11.1 General ..14 11.2 Hazardidentification .14 11.3 Design fire scenarios. ..14 11.4 Design occupantbehavioural scenarios .15 12 Select engineering methods .16 12.1 General .16 12.2 Fire models. .16 12.3 Evacuation models. .16 12.4 Validation and verification .17 12.5 Datafromtestmethods and surveys ..17 12.6 Analysisof resultsfromreferencefirescenariotest ..17 12.7 Engineeringjudgement .17 13 Evaluate design .18 13.1 General .18 13.2 Quantification of design scenarios. .18 13.2.1 Input data.. ..18 13.2.2 Estimation ofconsequence .18 13.2.3 Estimation of frequency of occurrence ..19 13.3 Uncertainty .19 13.4 Comparison with PCs 20 13.5 Identifyotheraffected FSOs 20 ntemaional oganzation @sISQ2018-All rights reserved iii icensee=Shenzhen Institute of Standards and Technology 9972181