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. [structural elements and components for structural elements]
8. structural elements
9. [supporting and resisting elements]
10. foundations (structural elements)

Narrower term/s

• pier foundation components[+]
  • piers (foundation components)

Anotations

Scope note:

Foundations consisting of concrete, brick, or stone piers which deliver the load to a support stratum; the piers are usually more substantial than piles and are not clustered. Now commonly produced by excavating within a caisson.