ISO/TS TECHNICAL SPECIFICATION 29761 First edition 2015-12-15 Fire safety engineering Selection of design occupant behavioural scenarios Ingénierie de la sécurité incendie - Sélection de scénarios de dimensionnement du comportement des occupants Reference number ISO/TS 29761:2015(E) ISO International Organization for Standardization ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02015 No reproduction or networking permitted without license from IHS IS0/TS 29761:2015(E) COPYRIGHT PROTECTED DOCUMENT IS02015,PublishedinSwitzerland All 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, 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDARDIzRoISQ ,5 - All rights reserved networking permited without license from IHS IS0/TS 29761:2015(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references .... 3 Terms and definitions 4 Fire safety engineering applications 4.1 The role of occupant behaviour scenarios in fire safety design .4 4.2 The role of design occupant behavioural scenarios in fire safety design ..4 5 Focusing the steps of IS0 16733-1 for a life safety objective ..6 5.1 Overview of the procedure ..6 5.2 Step 1 Identify the specific safety challenges 5.3 Step 2 — Location of fire. .6 5.4 Step 3 - Type of fire. 1 5.5 Step 4 - Potential complicating hazards leading to other fire scenarios 7 5.6 Step 5 Systems and features impacting fire. ..7 5.7 Step 6 - Occupant actions impacting fire 5.8 Steps 7 to 9- -Scenarioselection ..8 6 Design occupant behavioural scenarios. ..8 6.1 Characteristics of occupant behavioural scenarios. ..8 6.2 Identification of occupant behavioural scenarios. .9 6.2.1 General .9 6.2.2 Step A - Number of occupants and distribution of occupants ..10 6.2.3 Step B Characteristics of the occupant population 6.2.4 Step C - Activities of occupants. ..11 6.2.5 Step D— - Presence and training of staff .. 12 6.3 Selection of design occupant behavioural scenarios .12 6.3.1 General .. 12 6.3.2 Step E Occupant characteristics matrix .. 12 6.3.3 Considerations on selecting scenarios. ..13 6.3.4 Final selection and documentation. ..13 6.3.5 Sensitivity analysis of parameters affecting life safety objectives .14 7 Design occupant behaviour ..15 7.1 General .15 7.2 Basic characteristics. .18 7.2.1 General ..18 7.2.2 Pre-travel activity time .19 7.2.3 Exit choice. .19 7.2.4 Travel time .19 7.2.5 Intervention by fire services and other emergency responders 20 7.2.6 Intervention by others. ..20 7.2.7 Completion of the evacuation. .20 7.3 Parameters provided by the design occupant behavioural scenario. 20 7.4 Parameters to be defined 20 7.4.1 Pre-travel activity time 20 7.4.2 Exit choice. 21 7.4.3 Travel speed 7.4.4 Parameters that need to be defined when simplistic calculation models areemployed .22 7.5 Estimates of evacuation time and occupant condition. .22 7.5.1 General. .22 7.5.2 Simple calculation methods for evacuation time.. ..22 7.5.3 Advanced calculation methods for evacuation time .22 ntemaionalganzation5All rightsreserved ii Licensee-ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS Not for Resale, 2016/3/29 05:17:24 No reproduction or networking permi