In food processing operations in which cleaning methods other than water flushing are used for cleaning floors, the floor and wall junctures shall be coved and closed to no larger than one millimeter (1 mm) or one thirty- second of an inch (1/32 in.).
The floors in food processing operations in which water flush cleaning methods are used shall be provided with floor drains and be graded to drain. The floor and wall junctures shall be coved and sealed.
D.C. Mun. Regs. tit. 25, r. 25-B1803