A floor covering such as carpeting or similar material shall not be installed as a floor covering in toilet room areas where handwashing sinks, toilets, or urinals are located; refuse storage rooms; or other areas where the floor is subject to moisture.
The operator or manager shall inspect the premises prior to opening each day and throughout the day as necessary to ensure that the floors are clean and dry.
Mats and duckboards shall be designed to be removable and easily cleanable.
D.C. Mun. Regs. tit. 25, r. 25-G503