ISO INTERNATIONAL STANDARD 4157-2 Second edition 1998-12-01 Construction drawings Designation systems - Part 2: Room names and numbers Dessinsdebatiment- Systemes de désignation- Partie 2: Noms et numéros de pieces ISO Reference number ISO 4157-2:1998(E) THS under Not for Resale ISO 4157-2:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through ISO technical liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. International Standard ISO 4157-2 was prepared by Technical Committee ISO/TC 10, Technical drawings, product definitionandrelateddocumentation,SubcommitteeSC8,Constructiondocumentation Thissecondeditioncancelsandreplacesthefirstedition(lSO4157-2:1982),whichhasbeentechnicallyrevised IsO 4157 consists of the following parts, under the general title Construction drawings—Designation systems: 一 Part 1: Buildings and parts of buildings Part2:Room names andnumbers Part 3: Room identifiers @ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic nternationalOrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 · Switzerland nternet [email protected] Printed in Switzerland ional Organization for Standardizatior INTERNATIONALSTANDARD @ISO ISO 4157-2:1998(E) Construction drawings Designation systems - Part 2: Room names and numbers 1 Scope This part of IsO 4157 specifies requirements for designation systems for rooms, areas, spaces, and voids in buildings by room names and numbers. It is intended for identification of rooms in the daily use of the buildings. maintenance, remodelling and demolition phases, see IsO 4157-3. 2 Normative reference The following standard contains provisions, which through reference in this text, constitute provisions of this part of IsO 4157. At the time of publication, the edition indicated was valid. All standards are subject to revision, and most recent edition of the standard indicated below. Members of IEC and IsO maintain registers of currently valid International Standards. IsO 4157-1:1998, Construction drawings — Designation systems - Part 1: Buildings and parts of buildings. 3 Definitions For the purposes of this part of ISO 4157, the definitions given in ISO 4157-1 apply. 4 Room number principle 4.1 Logical order Room numbers shall be assigned to all rooms on each floor in a logical order, preferably consecutive, starting with number n01 (where n indicates floor number) within the limits of all the parts of the building. Such limits need not be physical walls, so that outdoor or covered areas which are appropriate to include in the numbering system may be 4.2 Separate buildings building in accordance with 4.1. Separate buildings may be adjacent to each other, and may be interconnected by doors or openings. Copyright Inte onal Organization for Standardization