Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [surface elements and surface element components]
8. surface elements (architectural)
9. pavements (surface elements)

Anotations

Scope note:

Pavements that maintain intimate contact with and distribute loads to the subgrade and depend for stability on aggregate interlock, particle friction, and cohesion; for pavements that are more rigidly bonded, use "rigid pavements."