12VAC5-421-2520. Backflow prevention.
A. Except as specified in subsections B, C, and D of this section, a direct connection may not exist between the sewage system and a drain originating from equipment in which food, portable equipment, or utensils are placed.P
B. Subsection A of this section does not apply to floor drains that originate in refrigerated spaces that are constructed as an integral part of the building.
C. If allowed by law, a warewashing machine may have a direct connection between its waste outlet and a floor drain when the machine is located within five feet (1.5 meters) of a trapped floor drain and the machine outlet is connected to the inlet side of a properly vented floor drain trap.
D. If allowed by law, a warewashing or culinary sink may have a direct connection.
Statutory Authority
§§ 35.1-11 and 35.1-14 of the Code of Virginia.
Historical Notes
Derived from Virginia Register Volume 18, Issue 10, eff. March 1, 2002; amended, Virginia Register Volume 24, Issue 2, eff. October 16, 2007; Volume 26, Issue 7, eff. January 1, 2010; Volume 32, Issue 22, eff. July 12, 2016.