ISO 23386-2020 pdf free.Building information modelling and other digital processes used in construction – Methodology to describe, author and maintain properties in interconnected data dictionaries.
This document establishes the rules for defining properties used in construction and a methodology for authoring and maintaining them, for a confident and seamless digital share among stakeholders following a BIM process.
Regarding the definition of properties and groups of properties, this document provides:
— definitions of properties and groups of properties as a list of attributes;
— definitions of all the provided attributes.
Regarding the authoring and maintaining process, this document provides:
— definitions and roles of applicants;
— definitions and roles of experts and the commission of experts;
— definitions of requests attributes;
— definitions of expert’s attributes;
— requirements to establish the management rules to interconnect data dictionaries through the mapping process for properties and groups of properties.
To apply the methodology of this document, it is presupposed that the following are in place:
— an established governance model for a data dictionary;
— a framework for a network of data dictionaries.
It is not in the scope of this document to provide the content of the interconnected data dictionaries.
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.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
– ISO Online browsing platform: available at
– IEC Electropedia: available at
4 Rules to define properties and groups of properties
4.1 General
To be non-ambiguous, machine-readable as well as human-understandable, properties and groups of properties shall be defined by a set of attributes. Some attributes are mandatory, and others are optional.
For a property to be human-understandable, any application following this document may be able to display the value of many attributes defining this property, for example name, name of the reference document, test method, unit, etc.
4.2 Property
A property shall be defined using the set of attributes as listed in Table 1.ISO 23386 pdf free download.