The accessible dressing, fitting or changing room should be a minimum of five feet by six feet (5'-0" by 6'-0" = 1524mm by 1829mm). A clear floor area of 60 inches in diameter (60" = 1524mm), measured at 12 inches (12" = 305mm) above the floor, shall be provided in every accessible dressing, fitting or changing room. See Fig. 33a.
521 CMR, § 33.4