Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [additive and joining processes and techniques]
6. assembling (additive and joining process)
7. construction (built works technique)
8. [construction technique by form or materials]

Anotations

Scope note:

Construction method where a structure or superstructure is built directly on the earth or slab, with no underground foundation to provide stability and support. Structures built upon piers or pilings may also be withouit foundations.