1、BRITISH STANDARDBS EN IS O 12006-3:2016Building construction Organization of information about construction works Part 3: Framework for object-oriented information (ISO 12006-3:2007)ICS 91.010.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g3
2、8g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 12006-3:2016This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2007ISBN 978 0 580 94092 7National forewordThis British Standard is
3、 the UK implementation of EN ISO 12006-3:2016.3:2007 It is identical to ISO 12006-3:2007. It supersedes BS ISO 12006-The UK participation in its preparation was entrusted to Technical Committee B/555, Construction design, modelling and data exchange.A list of organizations represented on this commit
4、tee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued sin
5、ce publicationDate Comments The British StandardsInstitution 2016.Standards Limited 2016Published by BSI30 November 2016 This corrigendum renumbers BS ISO 12006-3:2007 asBS EN ISO 12006-3:2016which is withdrawn. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 12006-3 October 2016 ICS 91.010
6、.01 English Version Building construction - Organization of information about construction works - Part 3: Framework for object-oriented information (ISO 12006-3:2007) Construction immobilire - Organisation de linformation des travaux de construction - Partie 3: Schma pour linformation base sur lobj
7、et (ISO 12006-3:2007) Bauwesen - Organisation von Daten zu Bauwerken - Teil 3: Struktur fr den objektorientierten Informationsaustausch (ISO 12006-3:2007) This European Standard was approved by CEN on 30 September 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
8、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 Europ
9、ean 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
10、 the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Rom
11、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by
12、 any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12006-3 EEuropean foreword The text of ISO 12006-3:2007 has been prepared by Technical Committee ISO/TC 59 “Buildings and civil engineering works” of the International Organization for Standardization (ISO) and has been taken ov
13、er as EN ISO 12006-3:2016 by Technical Committee CEN/TC 442 “Building Information Modelling (BIM)” the secretariat of which is held by SN. 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 April 201
14、7, and conflicting national standards shall be withdrawn at the latest by April 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights.
15、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, Former Yugoslav Republic of Macedonia, France, Ger
16、many, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 12006-3:2007 has been approved by CEN as EN ISO 1200
17、6-3:2016 without any modification. iiBS EN ISO 12006-3:2016 EN ISO 12006-3:2016 (E)iiiContents Page Foreword. v Introduction . vi 1 Scope . 1 2 Normative references . 1 3 Language encoding 1 4 Specification 1 4.1 General. 1 4.2 EXPRESS-G specification 2 4.3 EXPRESS specification 9 4.3.1 xtdDate. 9 4
18、.3.2 xtdGlobalUniqueID 9 4.3.3 xtdLabel . 10 4.3.4 xtdText . 10 4.3.5 xtdVersionID 10 4.3.6 xtdToleranceTypeEnum . 10 4.3.7 xtdValueRoleEnum . 11 4.3.8 xtdValueTypeEnum. 11 4.3.9 xtdActivity 12 4.3.10 xtdActor . 12 4.3.11 xtdBag 12 4.3.12 xtdCollection . 13 4.3.13 xtdDescription. 13 4.3.14 xtdExtern
19、alDocument. 13 4.3.15 xtdLanguage 14 4.3.16 xtdLanguageRepresentation . 14 4.3.17 xtdMeasureWithUnit . 15 4.3.18 xtdName. 15 4.3.19 xtdNest. 16 4.3.20 xtdObject . 16 4.3.21 xtdProperty 16 4.3.22 xtdRelActsUpon 17 4.3.23 xtdRelAssignsCollections . 17 4.3.24 xtdRelAssignsMeasures 17 4.3.25 xtdRelAssig
20、nsProperties . 18 4.3.26 xtdRelAssignsPropertyWithValues. 18 4.3.27 xtdRelAssignsUnits 19 4.3.28 xtdRelAssignsValues . 19 4.3.29 xtdRelAssociates 20 4.3.30 xtdRelCollects . 20 4.3.31 xtdRelComposes. 21 4.3.32 xtdRelDocuments . 21 4.3.33 xtdRelGroups 21 4.3.34 xtdRelSequences 22 4.3.35 xtdRelSpeciali
21、zes 22 4.3.36 xtdRelationship . 23 4.3.37 xtdRoot 23 4.3.38 xtdSubject 24 4.3.39 xtdUnit 25 4.3.40 xtdValue . 25 4.4 EXPRESS long form specification 26 BS EN ISO 12006-3:2016 ISO 12006-3:2007iv Annex A (informative) Naming conventions 31 Bibliography . 32 BS EN ISO 12006-3:2016 ISO 12006-3:2007vFore
22、word 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 techn
23、ical 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
24、electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to
25、 the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard ISO 12006-3 may be the subject of patent rights. ISO shall no
26、t be held responsible for identifying any or all such patent rights. ISO 12006-3 was prepared by Technical Committee ISO/TC 59, Building construction, Subcommittee SC 13, Organization of information about construction works. This first edition of ISO 12006-3 cancels and replaces ISO/PAS 12006-3:2001
27、. ISO 12006 consists of the following parts, under the general title Building construction Organization of information about construction works: Part 2: Framework for classification of information Part 3: Framework for object-oriented information BS EN ISO 12006-3:2016 ISO 12006-3:2007vi Introductio
28、n The main part of ISO 12006-3 consists of the specification of a taxonomy model, which provides the ability to define concepts by means of properties, to group concepts, and to define relationships between concepts. Objects, collections and relationships are the basic entities of the model. The set
29、 of properties associated with an object provide the formal definition of the object as well as its typical behaviour. Properties have values, optionally expressed in units. The role that an object is intended to play can be designated through the model and this provides the capability to define the
30、 context within which the object is used. Each object may have multiple names and this allows for its expression in terms of synonyms or in multiple languages. The language name of each object must always be given in English (the default language). An object may also be named in terms of the languag
31、e of the location in which it is determined or used. Objects may be related to formal classification systems through the provision of references. The model has one root entity from which the following three subtype entities inherit: objects, collections and the relationships between them. The root e
32、ntity provides the ability to assign any set of names, labels, descriptions and references, in any language, to its derived types, as well as identifiers and dates. Objects are divided into subjects, activities, actors, units, values and measures with units and properties. Subjects and activities ar
33、e the things and processes that are described. The others are description entities related to other objects and themselves through relationships. Relationships provide an association mechanism between objects. Relationships are divided into association, collection, specialization, composition, invol
34、vement (acting upon), property assignment, sequencing and measure assignment. Collections provide for all kinds of groupings of objects, including nested collections, by means of the collect relationship. Properties are entities that provide the context for data stored as values. Properties are diff
35、erentiated according to types of data containment: enumeration values, list values, bounded list values, bounded values, single values and table values. The value content, associated with a property through a measure with a unit, will be stored in the value component, which is language-dependent. Th
36、e latter entity models the way any name, description, value or reference is represented on a per language base. The model described in this part of ISO 12006 is proposed as a bridge between classification systems as described in ISO 12006-2 5, and product modelling as described in several publicatio
37、ns 2, 3, 6, 7. BS EN ISO 12006-3:2016 ISO 12006-3:20071Building construction Organization of information about construction works Part 3: Framework for object-oriented information 1 Scope This part of ISO 12006 specifies a language-independent information model which can be used for the development
38、of dictionaries used to store or provide information about construction works. It enables classification systems, information models, object models and process models to be referenced from within a common framework. 2 Normative references The following referenced documents are indispensable for the
39、application 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 10303-11, Industrial automation systems and integration Product data representation and exchange Part 11:
40、Description methods: The EXPRESS language reference manual ISO/IEC 10646, Information technology Universal Multiple-Octet Coded Character Set (UCS) 3 Language encoding All information that is specified as type “String”, or that resolves to type “String”, shall be able to be expressed using the UNICO
41、DE character set 8as set out in ISO/IEC 10646, preferably using the UTF-8 encoding form, the UTF-8 encoding scheme and the “UCS Transformation Format 8” 4. 4 Specification 4.1 General The model in this part of ISO 12006 is specified using the EXPRESS data definition language according to ISO 10303-1
42、1. The model is described informally in 4.2, conforming to the EXPRESS-G notation. The model is described formally in the EXPRESS language specification presented in 4.3 and as an EXPRESS long form specification in 4.4. BS EN ISO 12006-3:2016 ISO 12006-3:20072 4.2 EXPRESS-G specification The informa
43、l EXPRESS-G specification that uses the EXPRESS-G notation is given in six diagrams (Figures 1 through 6), where each diagram specifies a part of the model. All entities in these diagrams are specified formally in 4.3. Figure 1 shows the top level diagram with xtdRoot, its attributes and its derived
44、 types xtdObject, xtdRelationship and xtdCollection. Figure 2 shows xtdLanguageRepresentation with its derived types xtdName and xtdDescription that are attributed to xtdRoot and its subtypes. Figure 3 shows the relationship types derived from xtdRelationship that are used to establish possible rela
45、tionships between xtdObjects, xtdCollections and xtdExternalDocuments or subtypes of these. Figure 4 shows the assignment of xtdProperties to xtdObjects through xtdRelAssignsProperties and xtdMeasureWithUnit with the assignment of values, through xtdRelAssignsMeasures. Figure 5 lists the basic types
46、 used in the model and their related EXPRESS types. Figure 6 shows details of xtdValue and xtdExternalDocument. BS EN ISO 12006-3:2016 ISO 12006-3:20073Figure 1 EXPRESS-G diagram 1 Top level with root concept BS EN ISO 12006-3:2016 ISO 12006-3:20074 Figure 2 EXPRESS-G diagram 2 Language representati
47、on, names and descriptions BS EN ISO 12006-3:2016 ISO 12006-3:20075Figure 3 EXPRESS-G diagram 3 Relationships BS EN ISO 12006-3:2016 ISO 12006-3:20076 Figure 4 EXPRESS-G diagram 4 Assignment of properties and measures BS EN ISO 12006-3:2016 ISO 12006-3:20077Figure 5 EXPRESS-G diagram 5 Basic types B
48、S EN ISO 12006-3:2016 ISO 12006-3:20078 Figure 6 EXPRESS-G diagram 6 Values and external documents BS EN ISO 12006-3:2016 ISO 12006-3:200794.3 EXPRESS specification This formal specification is provided in the EXPRESS language. Express Specification (* ISO_12006_3_VERSION_3 EXPRESS specification: *)
49、 SCHEMA ISO_12006_3_VERSION_3; (* 4.3.1 xtdDate xtdDate is a defined data type of simple data type STRING that is used to contain an alphanumeric representation of a date. It is recommended that the date format “YYYY.MM.DD” should be used. EXAMPLE The 31st day of May in the year 2000 should be written as “2000.05.31”. EXPRESS specification: *) TYPE xtdDate = STRING; END_TYPE; (* 4.3.2 xtdGlobalUniqueID xtdGlobalUniqueID is a defined data type of simple data type STRING that holds an identifier that is globa
