[Code of Federal Regulations] [Title 36, Volume 3] [Revised as of July 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR910.70] [Page 205] 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--Table of Contents Subpart D--Glossary of Terms Sec. 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.