Except as specified in §§ 2602.2 through 2602.4, a direct connection shall not exist between the sewage system and a drain originating from equipment in which food, portable equipment, or utensils are placed.P
Subsection 2602.1 does not apply to floor drains that originate in refrigerated spaces that are constructed as an integral part of the building.
A warewashing machine may have a direct connection between its waste outlet and a floor drain when the machine is located within one and a half meters (1.5 m) or five feet (5 ft.) of a trapped floor drain and the machine outlet is connected to the inlet side of a properly vented floor drain trap in accordance with the D.C. Plumbing Code (2008) incorporating the International Plumbing Code 2006, as amended by the D.C. Plumbing Code Supplement (Subtitle F of 12 DCMR).
A warewashing or culinary sink may have a direct connection in accordance with the D.C. Plumbing Code (2008) incorporating the International Plumbing Code 2006, as amended by the D.C. Plumbing Code Supplement (Subtitle F of 12 DCMR).
D.C. Mun. Regs. tit. 25, r. 25-A2602