D.C. Mun. Regs. tit. 25-B, § 1209
1209.1 All equipment shall be in good repair and shall be so installed and maintained as to facilitate the cleaning of the equipment and of all adjacent spaces between the equipment.
1209.2 Existing cooling, heating, or temperature holding equipment that does not comply with this Code shall be replaced as specified in sections 3108.7 and 3108.8.
SOURCE: Final Rulemaking published at 56 DCR 5245 (July 3, 2009).