City of New York, New York. 2014 Construction Codes. Building Code, Chapter 32. "Section 3201.8. Definitions." "Vault: Any space below the surface of a street, that is covered over, except those openings that are used exclusively as places for descending, by means of steps, to the cellar or basement of any building." Accessed 2018-04-09.
qcode.us
City of Sacramento, California. Sacramento City Code."12.12.010 Definitions." "'Utility vault' means any underground room providing access to subterranean utility equipment." Accessed 2018-04-09.
