Assets hierarchy

Overall hierarchy

These are the relations between assets:

Asset type families

We have the following asset type families:

Type	Physical / Logical	Description
BUILDING_GROUP	🏢 Logical	A group of buildings
BUILDING	💼 Logical	A building like it's handled in your ERP
BUILDING_SECTION	💼 Logical	A section of a building (can be a stairwell, an entrance, etc.)
PLAN|INDOOR	🏢 Physical	A floorplan of a building (usually has multiple levels)
PLAN|OUTDOOR	🏢 Physical	A plan of an outdoor area (usually has only one level)
LEVEL	🏢 Physical	A floor of a building (as like PLAN|INDOOR)
LEVEL_SECTION	💼 Logical	A section of a level (vertical division within a floor)
RENTED_UNIT	💼 Logical	Something that could be rented (usually associated with a contract)
ZONE	💼 Logical	A grouping of spaces (can be an apartment, a set of offices, etc.)
SPACE	🏢 Physical	A space in a building (can be an office, a room, etc.)
OPENING	🏢 Physical	An opening in a space (can be a door, a window, etc.)
SPACE_BOUNDARY	🏢 Physical	A boundary of a space (can be a wall, a floor, a ceiling, etc.)
EQUIPMENT	🏢 Logical	A physical or logical equipment (can a light, a door, a window, etc.)

Specific asset types

We have more than 4000 different types of asset. The full list of equipments is published on buildingsmart.org.