ISO/TR TECHNICAL REPORT 11696-2 First edition 1999-12-15 Uses of reaction to fire test results - Part 2: Fire hazard assessment of construction products Utilisation des résultats des essais de reéaction au feu- Partie 2: Evaluation du risque-feu des produits de construction Reference number ISO/TR 11696-2:1999(E) ISO @ ISO 1999 by IHS under lic ted without license from IHS Not for Resale ISO/TR 11696-2:1999(E) PDFdisclaimer 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by isO member bodies. In the unlikely event @ISO1999 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 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ISO1999-All rightsreserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO/TR 11696-2:1999(E) Contents Page Foreword. Introduction Scope 2 References 3 Terms and definitions 4 Fire characteristics.. 5 Fire hazard assessment. 6 The decision tree . 6.1 Step 1 Definition of fire scenario (probabilistic). 6.2 Step 2 Ignition hazard (deterministic). 6.3 Step3Firegrowthhazard(deterministic) 6.4 Step 4 Smoke (deterministic)... 6.5 Step 5 - Rate of hazard development (probabilistic) 7 Factors affecting fire growth and the extent of their importance. 7.1 Step 1- -Definitionoffirescenario 10 7.2 Step 2 Ignition.. 7.3 Step 3 Fire development.. 13 7.4 Step 4 Smoke... 7 7.5 Step5Rateofhazarddevelopment 18 Annex A An example of a quantitative assessment of fire test data.. 20 Annex B Guidelines to classification data from IsO fire tests.. 23 Annex C An example of a calculation of visibility within a building on fire . 27 Bibliography... 29 ii THS under Ise from IHS Not for Resale