FULL FOOD CODE:
A PLUMBING SYSTEM shall be installed to preclude backflow of contaminants into the water supply system at each point of use at the FOOD ESTABLISHMENT by providing an air gap or installing an APPROVED backflow prevention device. (P)

FULL FOOD CODE:
(A) In FOOD ESTABLISHMENTS 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 thirty-second inch. (B) The floors in FOOD ESTABLISHMENTS in which water flush cleaning methods are used shall be provided with drains and be graded to drain, and the floor and wall junctures shall be coved and SEALED.

FULL FOOD CODE:
Except otherwise approved, and except for antislip floor coverings or applications may be used for safety reasons, floors, floor coverings, walls, wall coverings, and ceilings shall be designed, constructed, and installed so they are SMOOTH and EASILY CLEANABLE.