(a) Adequate space shall be maintained for the equipment and supplies necessary to provide occupational therapy service. The minimum floor area for occupational therapy service shall be 28 square meters (300 square feet), no dimension of which shall be less than 4 meters (12 feet).

(b) Office space, separate from the treatment area, shall be provided.

(c) There shall be adequate ventilation and lighting, and sufficient power outlets, both 110 V and 220 V, for equipment.

(d) Floor finishes shall be of a nonslip variety to minimize hazard.

(e) Architectural barriers, as defined by the American National Standards, A117.1, 1961 (reaffirmed 1971), including thresholds and stairways shall be provided with alternate means of access such as ramps.

(f) Suitable waiting space shall be provided.