ISO INTERNATIONAL STANDARD 16732-1 First edition 2012-02-15 Fire safety engineering Fire risk assessment - Part 1: General Ingenierie de la sécurité incendie -Evaluation du risque d'incendie Partie1:Géneralités Reference number ISO 16732-1:2012(E) LSO @ ISO 2012 y IHS under lic r networking permitted without license from IHS Not for Resale ISO 16732-1:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproductic etworking permitted without license from IHS Not for Resale ISO 16732-1:2012(E) Contents Page Foreword ..iv Introduction 1 Scope. 2 Normative references 3 Terms and definitions . 4 Applicability of fire risk assessment... 5 4.1 Circumstances where fire risk assessment provides advantages relative to deterministic fire safety engineering analysis.... 5 Overview offire riskmanagement. 5 6 Steps in fire risk estimation.. .6 6.1 Overview of fire risk estimation. .6 6.2 Use of scenarios in fire risk assessment... 7 6.3 Estimation of frequency and probability.. 9 6.4 Estimation of consequence. 12 6.5 Calculation of scenario fire risk and combined fire risk. 13 7 Uncertainty, sensitivity,precision,and bias .15 7.1 Elements of uncertainty analysis. 15 7.2 Validation and peer review.. .16 8 Fire risk evaluation. ..16 8.1 Individual and societal risk. 16 8.2 Risk acceptance criteria ... 8.3 Safety factors and safety margins .18 Bibliography .19 ili e with I license from IHS Not for Resale