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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 12. CONSTRUCTION CODES SUPPLEMENT OF 2013 |
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SubTilte 12-A. BUILDING CODE SUPPLEMENT OF 2013 |
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Chapter 12-A7. FIRE-RESISTANCE-RELATED CONSTRUCTION |
| Section 12-A705. EXTERIOR WALLS |
| Section 12-A711. HORIZONTAL ASSEMBLIES |
| Section 12-A713. SHAFT ENCLOSURES |
| Section 12-A717. DUCTS AND AIR TRANSFER OPENINGS |