3717-1-05.3(C) Water, plumbing, and waste: sewage, other liquid waste, and rainwater
3717-1 Ohio Uniform Food Safety Code
Backflow prevention.
(1)
Except as specified in paragraph (C)(2) of this rule, a drain originating from equipment in which food, portable equipment, or utensils are placed, such as a culinary sink or three compartment sink, is to contain an indirect connection as specified in the Ohio plumbing code.
(2)
Paragraph (C)(1) of this rule does not apply to floor drains that originate in refrigerated spaces that are constructed as an integral part of the building.