O

• Object Classification ReviewA review that checks whether model elements are assigned to the correct classification codes or categories.
• Object CountingThe counting of model elements by type, classification, space, system, or work package.
• Object LibraryA repository of reusable digital objects that can be inserted into models with consistent geometry and information.
• Object TypeA defined kind of building or infrastructure object with expected behavior, properties, and relationships. Object Type consistency supports classification, scheduling, and model checking.
• Object-Oriented ModelingA modeling approach where building information is represented as objects with identity, properties, behavior, and relationships.
• OmniclassA classification framework used to organize construction information across facilities, spaces, elements, work results, and products. Omniclass can support specification, costing, and asset data workflows.
• Open BIMA collaborative approach that uses open standards and neutral information exchange to reduce dependence on a single software ecosystem. Open BIM commonly uses Industry Foundation Classes and BIM…
• Operational CarbonGreenhouse gas emissions associated with building operation, especially energy use over time. Operational Carbon can be studied through an Energy Model and performance assumptions.
• Organizational Information Requirements OIRHigh-level information needs that support an owner's business objectives, governance, and asset decisions. They help shape Asset Information Requirements and Project Information Requirements.