Technical product documentation - Construction documentation - Indication of limit deviations (ISO 6284:2023)

This document specifies methods for the indication of limit deviations on construction documents.

Technische Produktdokumentation - Dokumentation im Bauwesen - Angabe von Grenzabmaßen (ISO 6284:2023)

Documentation technique de produits - Documentation de construction - Indication des écarts limites (ISO 6284:2023)

Le présent document spécifie les méthodes à utiliser pour indiquer les écarts limites sur les documents de construction.

Tehnična dokumentacija izdelkov - Gradbena dokumentacija - Prikaz omejenih deviacij (ISO 6284:2023)

Ta dokument določa metode za prikaz omejenih deviacij na gradbenih dokumentih.

General Information

Status
Published
Publication Date
30-Jan-2024
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
31-Jan-2024
Due Date
20-Oct-2025
Completion Date
31-Jan-2024

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SLOVENSKI STANDARD
01-april-2024
Nadomešča:
SIST EN ISO 6284:2002
Tehnična dokumentacija izdelkov - Gradbena dokumentacija - Prikaz omejenih
deviacij (ISO 6284:2023)
Technical product documentation - Construction documentation - Indication of limit
deviations (ISO 6284:2023)
Technische Produktdokumentation - Dokumentation im Bauwesen - Angabe von
Grenzabmaßen (ISO 6284:2023)
Documentation technique de produits - Documentation de construction - Indication des
écarts limites (ISO 6284:2023)
Ta slovenski standard je istoveten z: EN ISO 6284:2024
ICS:
01.100.30 Gradbeni načrti Construction drawings
01.110 Tehnična dokumentacija za Technical product
izdelke documentation
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 6284
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2024
EUROPÄISCHE NORM
ICS 01.100.30 Supersedes EN ISO 6284:1999
English Version
Technical product documentation - Construction
documentation - Indication of limit deviations (ISO
6284:2023)
Documentation technique de produits - Documentation Technische Produktdokumentation - Dokumentation
de construction - Indication des écarts limites (ISO im Bauwesen - Angabe von Grenzabmaßen (ISO
6284:2023) 6284:2023)
This European Standard was approved by CEN on 8 January 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 6284:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 6284:2023 has been prepared by Technical Committee ISO/TC 10 "Technical product
documentation” of the International Organization for Standardization (ISO) and has been taken over as
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by July 2024, and conflicting national standards shall be
withdrawn at the latest by July 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 6284:1999.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 6284:2023 has been approved by CEN as EN ISO 6284:2024 without any modification.

INTERNATIONAL ISO
STANDARD 6284
Third edition
2023-05
Technical product documentation —
Construction documentation —
Indication of limit deviations
Documentation technique de produits — Documentation de
construction — Indication des écarts limites
Reference number
ISO 6284:2023(E)
ISO 6284:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 6284:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General . 2
4.1 Generality . 2
4.2 Application . 2
4.3 Designations of deviation types . 2
5 Indication of limit deviations .3
5.1 As dimensions on construction drawings or figures within notes . 3
5.2 As property items within data templates . 5
Bibliography .11
iii
ISO 6284:2023(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 committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 10, Technical product documentation,
Subcommittee SC 8, Construction documentation.
This third edition cancels and replaces the second edition (ISO 6284:1996), which has been technically
revised.
The main changes are as follows:
— validation of normative references;
— consideration of multiple categories of deviations;
— definitions of indications of limit deviations using building information modelling (BIM).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
ISO 6284:2023(E)
Introduction
Deviations are a common part of the built environment which are often left to operatives on site to
resolve. With the development of prefabrication, there is recognition that control of deviations is an
essential requirement to improve the quality of building and infrastructure works. It is important for
architectural designers, product manufacturers and constructors to indicate limit deviations and work
to these, where they exist.
The previous edition, ISO 6284:1996, pointed out some basic principles and ways to indicate limit
deviations. It focused on graphical presentations, generally drawings, as a method for delivering
construction and product information. Technically, limit deviations are about not only geometric
information but also the requirements, which shall be delivered objectively by parties to a project.
The digitization of construction requires both graphical and alphanumeric information to be presented
in a formal way to achieve both human-readability and machine-readability.
Data templates are a formal representation method adopted widely to describe exchange information
or product specifications for machine-readability. ISO 23387 has been developed to support digital
processes using formats which are machine-interpretable, based upon standardized data structures, to
exchange information about any type of construction object.
This document focuses on how to provide indication methods for limit deviations that are humanly
recognizable, which is essential given that humans are ultimately the decision-makers, even though
more and more tasks are carried out with the assistance of computers. Therefore, this document
provides two ways to indicate limit deviations:
a) classical graphical or symbolic representations;
b) natural language property items for data templates.
The illustrations included in this document are intended to illustrate the text and/or to provide
examples of the related technical drawing specification. These illustrations are not fully dimensioned
and toleranced, showing only the relevant general principles.
v
INTERNATIONAL STANDARD ISO 6284:2023(E)
Technical product documentation — Construction
documentation — Indication of limit deviations
1 Scope
This document specifies methods for the indication of limit deviations on construction documents.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 286-1:2010, Geometrical product specifications (GPS) — ISO code system for tolerances on linear sizes
— Part 1: Basis of tolerances, deviations and fits
ISO 6707-1:2020, Buildings and civil engineering works — Vocabulary — Part 1: General terms
ISO 9431, Construction drawings — Spaces for drawing and for text, and title blocks on drawing sheets
3 Terms and
...

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