1709.18 FLOORS, WALLS, AND CEILINGS.
   (a)   Floors; Clean and In Good Repair.
      (1)   Floors, mats, duckboard, carpets, and other floor covering shall be kept clean.
      (2)   Floors and floor coverings of all food preparation, food storage, and utensil washing areas, garbage or refuse storage rooms, and the floors of all walk-in refrigerating units. dressing rooms, locker rooms, toilet rooms, and vestibules shall be constructed of smooth, durable non-absorbent material such as sealed concrete, terrazzo, ceramic tile, durable grades of linoleum or plastic, or tight wood impregnated with plastic and shall be maintained in good repair. Nothing in this rule shall prohibit the use of anti-slip floor covering in areas where necessary for safety reasons.
      (3)   Carpeting, if used as a floor covering, shall be of closely woven construction, properly installed, easily cleanable, and maintained in good repair. Carpeting is prohibited in food preparation, equipment and utensil washing areas, food storage areas, and in toilet room areas where urinals or toilet fixtures are located.
      (4)   Mats shall be of non-absorbent, grease-resistant materials and of such size, design and construction as to facilitate their being easily cleaned.
      (5)   In all new or extensively remodeled operations in which water-flush or wet mop cleaning methods are used, the junctures between walls and floors shall be covered and sealed. In all other cases, the juncture between walls and floors shall not present an open seam.
      (6)   Exposed utility service lines and pipes should be installed in a way that does not obstruct or prevent cleaning of the floor. In all new or extensively remodeled operations, installation of exposed horizontal utility lines and pipes on the floor is prohibited.
   (b)   Walls and Ceilings; Clean and In Good Repair.
      (1)   Walls and ceilings, including doors, windows, skylights, and similar closures shall be maintained clean and in good repair.
      (2)   Light fixtures, vent covers, wall-mounted fans, and similar equipment attached to walls or ceilings shall be easily cleanable and shall be maintained, clean, and in good repair.
      (3)   Walls, including non-supporting partitions and wall coverings, and ceilings of walk-in refrigerating units, food preparation areas, equipment washing and utensil washing areas, toilet rooms, and vestibules shall be smooth, non-absorbent, and easily cleanable. Concrete or pumice blocks used for interior wall construction in these locations shall be finished and sealed to provide an easily cleanable-surface.
      (4)   Studs, joists, and rafters shall not be exposed in walk-in refrigerating units, food preparation areas, equipment washing and utensil washing areas, toilet rooms, and vestibules. If exposed in other rooms or areas, they shall be finished to provide an easily cleanable surface.
      (5)   Exposed utility service lines and pipes should be installed in a way that does not obstruct or prevent cleaning of the walls and ceilings. Utility service lines and pipes should not be unnecessarily exposed on walls or ceilings in walk-in refrigerating units, food preparation areas, equipment washing and utensil washing areas, toilet rooms, and vestibules.
      (6)   Wall and ceiling covering materials shall be attached and sealed so as to be easily cleanable.
         (Res. 1-95. Passed 1-19-95.)