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CFR > Title 36 - Parks, Forests, and Public Property > CHAPTER IX—PENNSYLVANIA AVENUE DEVELOPMENT CORPORATION > PART 910—GENERAL GUIDELINES AND UNIFORM STANDARDS FOR URBAN PLANNING AND DESIGN OF DEVELOPMENT WITHIN THE PENNSYLVANIA AVENUE DEVELOPMENT AREA > SUBPART D—Glossary of Terms (§910.50 to §910.71) > 910.70—Vault.
910.70—Vault.
A vault means an enclosure of space beneath the surface of the public space or sidewalk setback, except that the term vault shall not include public utility structures.