Standards Library

buildingSMART International Standards

These standards have been voted by the Standards Committee as being Final Standards

IFC ISO StandardsISO 16739-1
IFC SpecificationsbSI Tech
BIM Collaboration Format XMLS1005BCF-XML
BIM Collaboration Format APIS1006BCF-API
Foundation APIFoundation API
Documents APIDocuments API
IFC4 Reference ViewS1002Reference View 1.2
IFC2x3 Coordination ViewCoordination view 2.0

buildingSMART Technical Reports

IFC Spatial Zone – Use Cases, Requirements and ImplementationBR-2023-1025-TRReport
BIM-BEM Workflows - an overview of requirements for developing IDMs between building information modelling and building energy modelling.TR1044Report
Nordic Study of Classification Systems for Infrastructure & Transportation v1.0IR-2020-1022-TRReport
e-submission common guidelines for introduce BIM to building processRR-2020-1015-TRReport
Application forms: Common information requirements for automated compliance checkingTR 1013Report
Beyond e-permitting: Framing the Business Case for Automated Rule Checking in AEC in the Era of Big DataTR-2020-1016-RRReport
Built environment data standards and their integration: an analysis of IFC, CityGML and LandInfraTR1012Report
IFC Infra Overall ArchitectureTR1009Report
Open Standards for RegulationTR1011Regulatory report
Infra Asset ManagementTR1010Asset Management
User Guide for Geo-referencing in IFCv2.0 Jan 2020User Guide
Executive Summary
Appendix A , Appendix B , Appendix C , Appendix D.

Industry Foundation Classes Policies

IFC 4.x MVD PolicyMO-2021-2IFC 4.x MVD Policy
IFC 4.3.x Deployment GuidelinesMO-2021-1IFC 4.3.x Delivery & Deployment guidelines
IFC bSDD Policy StatementMO-2020IFC and bSDD Relation Policy
Future of the Industry Foundation Classes: towards IFC 5Progress Report

buildingSMART International Room Standards

TitleRefApproved by:Link
IFC4Precast IDMBR-2020-1023-CSbuilding Room, bSI Standards CommitteeIFC4 Precast IDM

Since early 2022, standards coming from the buildingSMART Rooms are published in the Use-Case Management Service that can be found on

buildingSMART Candidate Standards

Candidate standards are activities that are in the process of acquiring international consensus before being submitted to the Standards Committee for the final vote.

Information Delivery Specification (IDS)Information Delivery Specification (IDS)
Quantity Take-Off Information Delivery ManualBR-2020-1024-CSInformation here
Quantity Take-Off MVDBR-2020-1024-CSInformation here
IFC Rail Project - AbstractP26Information here
IFC Rail Project - Conceptual Model ReportP26Information here
IFC Rail Project - Context & ApproachP26Information here
IFC Rail Project - Data Requirement ReportP26Information here
IFC Rail Project - Requirement Analysis ReportP26Information here
UML Model Report – Part 1: Introduction to the IFC Harmonised Schema ExtensionsTR-2020-1019-IRaInformation here
UML Model Report – Part 2: Common Schema ElementsTR-2020-1019-IRbInformation here
UML Model Report – Part 3: Ports and Waterways ElementsTR-2020-1019-IRcInformation here
UML Model Report – Part 4: Railway Schema ElementsTR-2020-1019-IRdInformation here
UML Model Report – Part 5: Road Schema ElementsTR-2020-1019-IReInformation here

buildingSMART SPEC

buildingSMART SPEC is a document that can be produced by any organisation that wants to standardize best practice on a specific subject but is not yet ready to proceed with producing it as a bSI Standard.

It is a publicly available specification.

IFC Rail bSI SPECChina Rail BIM AlliancebSI SPEC Rail part 1
bSI SPEC Rail part 2
IFC Road bSI SPEC Korean Institute Construction TechnologySee below

Chapters 1 – 2Schedule and Development History
Chapter 3Infra IFC Schema (Express-G) V1.0
Chapters 4 – 5Infra IFC Entities including IfcRoad
Chapters 6 – 8Property Sets for IfcRoad V1.0
Chapter 9Infra IFC Specifications with IfcRoad V0.6

Published buildingSMART Related Standards Around the World

bSI RelationshipPublisherContentLink
MVD DatabasediversMVDsMVD Database
buildingSMART National StandardsUSAUS COBie Version 2.4COBie
buildingSMART National StandardsUSAUS HVCAiebSA
buildingSMART National StandardsUSAUS SPARKiebSA
buildingSMART National StandardsUSAUS WSiebSA
IFC BasedAuckland UniversityContent ModelsAuckland University
IFC BasedPankow FoundationUS BIM Standard for Precast ConcretePankow Foundation
IFC BasedPankow FoundationUS Owner's Guide to BIMPankow Foundation
IFC BasedAmerican Institute of Steel ConstructionBIM steel initiativesAISC
BIM Qualification VDIBasic Knowledge VDI/bS 2552 Sheet 8.1Read More
BIM Qualification VDIAdvanced Knowledge VDI/bS 2552 Sheet 8.2Read More
BIM Information DeliveryVDIInformation Exchange Requirements Methodology VDI/bS 2552 Sheet 11.1Read More
BIM Information DeliveryVDIIER Slot and Breakthrough Coordination VDI/bS 2552 Sheet 11.2Read More
BIM Information DeliveryVDIIER Formwork and Scaffolding Design VDI/bS 2552 Sheet 11.3Read More
BIM Information DeliveryVDIIER Lifecycle Assessment VDI/bS 2552 Sheet 11.4Read More
BIM Information DeliveryVDIIER Elevator Planning VDI/bS 2552 Sheet 11.5Read More
BIM Information DeliveryVDIIER Fire Protection VDI/bS 2552 Sheet 11.6Read More
BIM Information DeliveryVDIIER Doors VDI/bS 2552 Sheet 11.6Read More
BIM Information DeliveryVDIIER Factory Planning VDI/bS 2552 Sheet 11.7Read More

* BSI (British Standards Institution)

If you publish an open IFC library and would like us to link to your site then please contact us.

buildingSMART White Papers

Enabling information continuity across BIM-GIS domains: A bSI and OGC strategic roadmapFebruary 2024Read More
Enabling an Ecosystem of Digital Twins – An UpdateSeptember 2023Read More
Advancing the adoption of open standards and digital technologies in the construction value chainJune 2023Read More
Liberating Built Asset Information September 2021Read More
Digitizing construction for better product exchange, identification, and transparencyNovember 2021Read More
Enabling an Ecosystem of Digital TwinsMay 2020Read More

Industry Reports and Surveys

Industry Report: openBIM for Occupant Movement Analysis (Fire Safety)March 2023Read More
Industry Survey: The Role of openBIM in the Regulatory ProcessMay 2022Read More
Industry Survey: Understanding the role of BIM and CDEs Today and Expectations for the FutureMay 2022Read More
Industry Insight: What do Facility Managers need from BIM? Case 1 – Cleaning AirportsMay 2022Read More
Industry Insight: What do Facility Managers need from BIM? Case 2 – Workplaces in Public Government WorkplacesMay 2022Read More
Industry Insight: What do Facility Managers need from BIM? Case 3 – openBIM for Space Management at UniversitiesMay 2022Read More
Industry Insight: What do Facility Managers need from BIM? Case 4 – Asset Management for HospitalsMay 2022Read More
Industry Insight: What do Facility Managers need from BIM? Case 5 – Business Catering and openBIMMay 2022Read More