Organization Hierarchy
How OneSurvey models the physical world.
4 min readLast updated May 30, 2026HC-OPS-001
Entity creation order
Organization → Site → Building → Floor → Area → Device
Each entity is created inside its parent. You can't add a device until you have an area; you can't add an area without a floor.
Why it matters
This hierarchy powers reporting, access scoping, and lifecycle tracking. Devices roll up to areas, areas to floors, floors to buildings, and so on.
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