A.
The floor surfaces in kitchens, in all other rooms and areas in which food is stored, prepared, and in which utensils are washed, and in walk-in refrigerators, rubbish or food waste rooms, dressing or locker rooms, and toilet rooms, shall be of smooth materials and so constructed as to be easily cleanable. However, floors of nonrefrigerated dry food storage areas need not be nonabsorbent. The juncture between the floor and wall shall be closed and in new establishments or those extensively altered, it shall also be coved. All floors shall be kept clean and in good repair.
B.
Floor drains shall be provided in all rooms where floors are subjected to the type cleaning which involves the use of water hoses. Such floors shall be graded to drain.
C.
The walls and ceilings of all rooms shall be kept clean and in good repair. All walls and ceilings in areas in which food is prepared, or utensils or hands are washed, or rubbish or food waste is stored shall be easily cleanable, smooth, light colored and have washable surfaces up to the highest level reached by splash or spray. Ceilings shall be light colored in food preparation and utensil washing areas.