Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. residential structures
9. dwellings
10. [housing by development practice]
11. affordable housing
12. low cost housing
13. public housing

Anotations

Scope note:

Public housing units, either new or rehabilitated, located on noncontiguous sites and intended to promote racial integration by placing relatively small housing units within the context of existing neighborhoods.