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• Handover ChecklistA checklist that confirms required models, documents, data sets, certificates, and records are complete before handover.
• Hard ClashA physical overlap between two or more model elements that cannot occupy the same space. Hard Clash examples include a duct passing through a beam or a pipe…
• Headroom CheckA focused clearance analysis that verifies vertical space along circulation, plant access, stairs, or occupied areas.
• Host ModelThe main model into which other referenced models, objects, or systems are linked for coordination or documentation.
• HVAC System HVACA building system for heating, ventilation, and air conditioning. HVAC System design is represented through Mechanical Model content such as Ductwork, equipment, controls, and performance data.