ISO INTERNATIONAL STANDARD 11863 First edition 2011-07-01 Buildings and building-related facilities Functional and user requirements and performance Tools for assessment and comparison Batiments et biens immobiliers associes Exigences fonctionnelles, exigences de I'utilisateur et performances - Outils pour I'évaluation et la comparaison Reference number ISO 11863:2011(E) @ ISO 2011 y IHS under ted without license from IHS Not for Resale ISO 11863:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved py IHS unde Not for Resale ISO 11863:2011(E) Contents Page Foreword .iv 1 Scope 2 Normative references 3 Terms and definitions 4 How to determine levels of functional performance requirements and levels of serviceability.. 4.1 Requirements for functional performance.. 4.2 Serviceability ...... 4.3 Numberofstatementsandoflevelsinascale 4.4 Calibration and normalization of scales 4.5 Complex topics with multiple functions 4.6 Relative importance of requirements .... 4.7 Threshold or critical level.. 4.8 Main and variant requirementprofiles 4.9 Genericprofilesofdemand. 4.10 Calibration of scales .. 4.11 Gap analysis Comparing demand and supply.. 4.12 Applicability in different cultures . 4.13 Consistency and replicability of responses .. 9 4.14 Application during the whole life of a facility 10 4.15 Inclusion in the building information mode (BIM) Annex A (informative) Concepts of functionality and serviceability . 11 Annex B (informative) Principle of calibration for scales 13 Annex C (informative) Example of scales.. ..14 Annex D (informative) Comparison and matching of profiles. 17 Annex E (informative) Terms used for functionality and serviceability. 21 Bibliography. 23 CopyrghtInternational OrganizaionStandardizaonghtsreserved ii nse from IHS Not for Resale