Stair pressurisation BIM connects stair shafts, fans, ducts, relief paths, pressure sensors, control panels, fire alarm interfaces, power supplies, and commissioning points. It is a life-safety coordination task.
Why This Matters
Stair pressurisation can fail even when the equipment fits. Missing relief paths, poor sensor locations, blocked access, or unclear control logic can create commissioning failures.
Practical Guidance
Shaft Continuity: Check that pressurisation paths, stair enclosure boundaries, leakage assumptions, and doors are understood in the model.
Fan and Duct Access: Coordinate fan rooms, intake points, discharge paths, dampers, access panels, and maintenance clearances.
Controls Interface: Link sensors, fire alarm signals, control panels, power supplies, and cause-and-effect logic in the review process.
Commissioning Views: Prepare BIM views for test points, sensor locations, door tests, and fan access before commissioning starts.
Checklist
- Review stair enclosure and shaft continuity
- Coordinate fan, duct, damper, and intake access
- Check fire alarm and control interface logic
- Create commissioning views for test and adjustment points
LUA BIM LABS Insight
Stair pressurisation BIM must prove a sequence, not just a layout. The model should help the commissioning team understand how safety is achieved.
LUA BIM LABS — Products & Services
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