309. SINGLE OR SEPARATE BUILDINGS

309 SINGLE OR SEPARATE BUILDINGS 309.1 For purposes of this chapter, structures that are separated from the ground up by common division walls or contain multiple sections separated horizontally, such as wings or additions, are separate buildings. Structures or sections shall be considered parts of a single building if they are joined by a connection that is: (a) Fully above grade; (b) Enclosed; (c) Heated and artificially lit; and (d) Either: (1) Common space shared by users of all portions of the building, such as a lobby or recreation room, loading dock or service bay; or (2) Space that is designed and used to provide free and unrestricted passage between separate portions of the building, such as an unrestricted doorway or walkway. 309.2 Notwithstanding Subtitle B, § 309.1, a single building shell may contain multiple uses or dwelling units that do not share access. SOURCE: Final Rulemaking published at 63 DCR 2447, 2650 (March 4, 2016 – Part 2). District of Columbia Municipal Regulations Zoning Regulations of 2016: Definitions, Rules of Measurement, and Use Categories 11-B DCMR § 309