Article 1. Floors, Walls, And Ceilings of California Health And Safety Code >> Division 104. >> Part 7. >> Chapter 9. >> Article 1.

(a) Each permanent food facility shall be fully enclosed in a building consisting of permanent floors, walls, and an overhead structure that meet the minimum standards as prescribed by this part. Food facilities that are not fully enclosed on all sides and that are in operation on January 1, 1985, shall not be required to meet the requirements of this section until the facility is remodeled or has a significant menu change or significant change in its method of operation.
  (b) Notwithstanding subdivision (a), this section does not require the enclosure of dining areas or any other operation approved for outdoor food service.
  (c) Notwithstanding subdivision (a), a produce stand that was in operation prior to January 1, 2007, shall have no more than one side open to the outside air during business hours.

(a) Except in sales areas and as otherwise specified in subdivision (d), the floor surfaces in all areas in which food is prepared, prepackaged, or stored, where any utensil is washed, where refuse or garbage is stored, where janitorial facilities are located in all toilet and handwashing areas, except with respect to areas relating to guestroom accommodations and the private accommodations of owners and operators in restricted food service facilities, shall be smooth and of durable construction and nonabsorbent material that is easily cleanable.
  (b) Floor surfaces shall be coved at the juncture of the floor and wall with a 3/8 inch minimum radius coving and shall extend up the wall at least 4 inches, except in areas where food is stored only in unopened bottles, cans, cartons, sacks, or other original shipping containers.
  (c) Public or private schools constructed or remodeled after the effective date of this part shall comply with subdivision (b). Public and private schools constructed before the effective date of this part need not comply with subdivision (b), provided that the existing floor surfaces are maintained in good repair and in a sanitary condition.
  (d) Except for dining and serving areas, the use of sawdust, wood shavings, peanut hulls, or similar materials is prohibited.
  (e) This section shall not prohibit the use of approved dust-arresting floor sweeping and cleaning compounds during floor cleaning operations or the use of antislip floor finishes or materials in areas where necessary for safety reasons.

(a) Except as specified in subdivision (b), only dustless methods of cleaning such as wet cleaning, vacuum cleaning, mopping with treated dust mops, or sweeping using a broom and dust-arresting compounds shall be used in food facilities.
  (b) Spills or drippage on floors that occur between normal floor cleaning times may be cleaned without the use of dust-arresting compounds and, in the case of liquid spills or drippage, with the use of a small amount of absorbent compound such as sawdust or diatomaceous earth applied immediately before spot cleaning.

(a) Upon new construction or extensive remodeling, floor drains shall be installed in floors that are water-flushed for cleaning and in areas where pressure spray methods for cleaning equipment are used. Floor surfaces in areas pursuant to this subdivision shall be sloped 1:50 to the floor drains.
  (b) Upon new construction or extensive remodeling, floor sinks or equivalent devices shall be installed to receive discharges of water or other liquid waste from equipment.

(a) Except as provided in subdivision (b), the walls and ceilings of all rooms shall be of a durable, smooth, nonabsorbent, and easily cleanable surface.
  (b) This section shall not apply to any of the following areas:
  (1) Walls and ceilings of bar areas in which alcoholic beverages are sold or served directly to the consumers, except wall areas adjacent to bar sinks and areas where food is prepared.
  (2) Areas where food is stored only in unopened bottles, cans, cartons, sacks, or other original shipping containers.
  (3) Dining and sales areas.
  (4) Offices.
  (5) Restrooms that are used exclusively by the consumers, except that the walls and ceilings in the restrooms shall be of a nonabsorbent and washable surface.
  (6) Dressing rooms, dressing areas, or locker areas.
  (c) Acoustical paneling may be utilized if it is installed not less than six feet above the floor. The paneling shall meet the other requirements of this section.
  (d) Conduits of all types shall be installed within walls as practicable. When otherwise installed, they shall be mounted or enclosed so as to facilitate cleaning.
  (e) Attachments to walls and ceilings, such as light fixtures, mechanical room ventilation system components, vent covers, wall mounted fans, decorative items, and other attachments, shall be easily cleanable.

Mats and duckboards shall be designed to be removable and easily cleanable.