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D.C. Mun. Regs. tit. 12-A, ch. 7 – Fire-resistance-related Construction | Midpage
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District of Columbia Municipal Regulations
Title 12
12-A
Chapter 12-A7
D.C. Mun. Regs. tit. 12-A, ch. 7
Fire-resistance-related Construction
District of Columbia, Office of the Secretary
12-A705
Exterior Walls
12-A711
Horizontal Assemblies
12-A713
Shaft Enclosures
12-A717
Ducts and Air Transfer Openings