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US law
District of Columbia
Regulations
Title 12-J — CONSTRUCTION CODES SUPPLEMENT OF 2017
Chapter 2017-12-J9 — ALTERATIONS - LEVEL 3
District of Columbia · Regulations
Chapter 2017-12-J9 — ALTERATIONS - LEVEL 3
4 sections
4 sections
12-J DCMR 902
902. SPECIAL USE AND OCCUPANCY
12-J DCMR 903
903. BUILDING ELEMENTS AND MATERIALS
12-J DCMR 904
904. FIRE PROTECTION
12-J DCMR 909
909. VENTILATION