Each massage parlor shall have, and maintain in a clean, sanitary and workable condition:

(a) Adequate equipment for disinfecting and sterilizing nondisposable instruments and materials used in administering massages. Such nondisposable instruments and materials shall be disinfected after use on each patron.

(b) Washbasins provided with both hot and cold running water installed in either the toilet room or a vestibule immediately adjacent thereto. Washbasins shall be provided with soap and dispenser with sanitary towels.

(c) Closed cabinets used for the storage of clean linen, towels and other materials used in connection with administering massages. All soiled linens, towels and other materials shall be kept in properly covered containers or cabinets which containers or cabinets shall be kept separate from the clean storage areas.

(d) Adequate bathing, dressing, locker and toilet facilities provided for patrons. A minimum of one (1) tub or shower, one (1) dressing room containing a separate locker capable of being locked for each patron, one (1) toilet and one (1) washbasin shall be provided by each massage parlor. When employees and patrons of different sexes are on the premises at the same time, separate toilet facilities shall be provided for each sex. A single water closet per sex shall be provided for each twenty (20) or more employees or patrons of that sex on the premises at any one time. Urinals may be substituted for half of the water closets for male patrons after one water closet has been provided. Toilets shall be designated as to the sex accommodated therein.

(e) If male and female patrons are to be served simultaneously at the establishment, separate bathing, massage and dressing rooms provided for each sex.

(f) A service sink for custodial services provided either in the massage parlor quarters or on the floor of the building on which the quarters are located.