ISO 16739 PDF

Official Release Date of buildingSMART’s IFC4 – March Official Release Date of ISO – March What’s new in IFC4? IFC4 – the new. The new IFC release IFC4 is now also accepted as an ISO standard. ISO has reached the status of a published International Standard. second as an ISO International Standard ISO – see home/store/catalogue_tc/?csnumber= This marks.

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Organization and digitization of information about buildings and civil engineering works, including building information modelling BIM. A particular model view definition is defined to support one or isoo recognized workflows in the building construction and facility management industry sector. IfcObjectDefinition is split into object occurrences and object types.

Each representation is identified by IfcShapeRepresentation with a well-known name.

Izo software applications need to identity the model view definition they conform to. Projects support revision control where any IfcRoot-based entity has a unique identifier and may be marked as added, modified, deleted, or having no change.

Industry Foundation Classes

Representations may be defined for explicit 3D shape, and optionally isi parametric constraints. Life cycle A standard is reviewed every 5 years 00 Preliminary. The standard exchange file iwo for exchanging and sharing data according to the conceptual schema is using the Clear text encoding of the exchange structure. Resources may be nested into sub-resources for granular allocation.


A property set contains one or more properties which may be a single value e.

The IFC model specification is open and available. While IFC defines several hundred property sets for specific types, custom property sets may be defined by application vendors or end users. The Industry Foundation Classes, IFC, are an open international standard for Building Information Model BIM data that are exchanged and shared among software applications used by the various participants in the construction or facility management industry sector.

Conforming software applications need to identity the model view definition they conform to. Check out our FAQs. Twelve US companies joined the consortium. IfcRelationship captures relationships among objects. It is an object-based file format with a data model developed by buildingSMART formerly the International Alliance for Interoperability, IAI to facilitate interoperability in the architectureengineering and construction AEC industry, and is a commonly used collaboration format in Building information modeling BIM based projects.

Resources may be assigned to processes indicating tasks performed on behalf of a resource.

Model Support Group

BIM exchange format definitions that are required during the life cycle phases of buildings: Industrial computing Building Building information modeling. It is a platform neutral, open file format specification that is not controlled by a single vendor or group of vendors. Rooted entities derive from IfcRoot and have a concept of identity having a GUIDalong with attributes for name, description, and revision control.

A subset of the data schema and referenced data is referred to as a model view definition.

The standard includes definitions that cover data required for buildings over their life cycle. Each workflow identifies data exchange requirements for software applications. Monday to Friday – This release, and upcoming releases, extend the scope to include data definitions for infrastructure assets over their life cycle as well. Final text received or FDIS registered for formal approval. IfcObject captures object occurrences such as a product installation having serial number 167739 physical placement.


Non-rooted entities do not have identity and instances only exist if referenced from a rooted instance directly or indirectly. IfcProject encapsulates an overall project and indicates the project name, description, default units, currency, coordinate system, and other contextual information. Such capability allows multiple IFC files to be merged deterministically, ensuring data integrity without human intervention.

Processes may be assigned to products indicating the output produced by the work performed.

Industry Foundation Classes – Wikipedia

Check out our FAQs. Each workflow identifies data exchange requirements for software applications. Proof sent to secretariat or FDIS ballot initiated: Processes may have durations and be scheduled to occur at specific time periods.

Alternative exchange file formats may be used if they conform to the data schemas. March Learn how and when to remove this template message.

IfcRoot is subdivided into three abstract concepts: