A multi-family residential building or institutional facility is designed to stand for 60 to 100 years. Software licenses, by contrast, expire annually, and proprietary commercial CAD/BIM file formats are updated every twelve months—routinely breaking backward compatibility. If a strata corporation’s digital asset records are locked inside a proprietary, closed-source file format, their data will be completely inaccessible when major capital renewals arrive in Year 25. This existential dilemma is what buildingSMART International was created to solve.
The Origins of buildingSMART: The Fight for Interoperability (1994)
In 1994, an international consortium of twelve forward-thinking organizations—including Autodesk, AT&T, HOK Architects, and Carrier—convened to address a growing crisis: software vendors were building proprietary walled gardens that prevented architects, structural engineers, mechanical trades, and building owners from exchanging computer models without catastrophic data loss.
The consortium formed the International Alliance for Interoperability (IAI), which later evolved into buildingSMART International (bSI). Their core mission was simple yet radical: to establish an open, vendor-neutral data standard capable of describing the physical and functional characteristics of any building or infrastructure asset across its complete life cycle.
The openBIM Philosophy
openBIM is a collaborative process that is software-vendor-neutral. It extends the benefits of BIM by improving the accessibility, usability, and sustainability of digital data in the built asset industry.
Under openBIM principles:
- No Forced Software Monopolies: Project participants can select the best software tool for their discipline (Revit, ArchiCAD, Vectorworks, Tekla, Solibri) without forcing everyone onto a single proprietary software license.
- Multi-Decade Data Longevity: Built asset data is preserved in an open, ISO-certified schema that can be opened, queried, and verified 50 or 100 years in the future on any computer operating system.
- Unfettered Owner Access: Building owners and strata corporations own their raw building geometry and metadata outright—not as a hostage to annual software subscription fees.
The Core Technical Standards of buildingSMART
buildingSMART develops and stewards four foundational open standards that power contemporary spatial engineering:
The Four Pillars of openBIM
- IFC (Industry Foundation Classes — ISO 16739-1): The universal data schema describing building elements (walls, doors, pipes, boilers) and their precise spatial and mechanical relationships. Versions include IFC2x3, IFC4, and the modern IFC4.3 infrastructure standard.
- BCF (BIM Collaboration Format): An open XML/RESTful communication protocol allowing designers, engineers, and facility managers to exchange issues, clash markers, and inspection notes without transferring massive 3D files.
- IDS (Information Delivery Specification): A machine-readable standard that defines exact data exchange requirements (e.g., "Every fire pump must contain an installation date and maintenance manual link before being accepted").
- bSDD (buildingSMART Data Dictionary): An online classification service mapping local terminology, MasterFormat codes, and Uniclass classifications to international IFC standards.
Why openBIM & IFC Matter to British Columbia Strata Corporations
Consider a typical 25-story strata tower built in Vancouver in 2026. The developer delivers an "as-built" package consisting of closed proprietary files. By 2046—when the strata must replace its central chillers, overhaul its elevators, and conduct its fourth statutory Depreciation Report under SPA s.94—the proprietary software version used in 2026 will no longer run on modern computers. The strata is forced to spend tens of thousands of dollars re-measuring the entire property.
Tucker Technology Consulting prevents this obsolescence by anchoring all spatial data in open standards:
- Open IFC4 Handover: All 3D BIM models generated from drone photogrammetry and terrestrial LiDAR are exported and maintained as open IFC4 data packages.
- Zero Software Overhead for Councils: Strata councils and property managers inspect their digital twin directly in a web browser using open-source Three.js and WebGL viewers, requiring zero specialized software licenses.
- Guaranteed Engineering Interoperability: When licensed engineers prepare statutory Depreciation Reports (SPA s.94) or Electrical Planning Reports (SPA s.94.1), they can import the open IFC geometry directly into any professional engineering analysis tool.
International Standards & Consortia References
Consult the official international open data standards and buildingSMART documentation below:
- buildingSMART International Official Portal ↗ The worldwide authority driving digital transformation of the built environment through open international standards.
- buildingSMART Canada ↗ The national chapter advancing openBIM standards, professional education, and public sector adoption across Canada.
- ISO 16739-1:2024: Industry Foundation Classes (IFC) for Data Sharing ↗ The official international consensus standard establishing the technical open data schema for built asset geometry and properties.
- openBIM Program & Technical Roadmap ↗ Detailed technical explanations of IFC, BCF, IDS, and buildingSMART Data Dictionary interoperability workflows.
- BIM BC Alliance Open Letter ↗ Advocating for the adoption of openBIM and IFC standards across municipal permitting and provincial capital assets in BC.