Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. construction equipment
8. [assembling and disassembling construction equipment]

Anotations

Scope note:

Machines used for driving piles, which are columns serving as subsurface supports for vertical loads, usually by repeated blows from free-falling or driven "pile hammers." Pile drivers comprise a framework for holding and guiding the pile, a hammer, and a power source.