(1) Each outpatient crisis response facility must ensure that no more than four clients reside in a single treatment room. Each treatment room must contain at least 80 square feet per client, exclusive of toilet rooms, closets, lockers, wardrobes, alcoves, or vestibules. Each center must further provide:

(a) one toilet for every four clients;

(b) a hand washing sink in each toilet room;

(c) one bathing facility for every 12 clients; and

(d) showers and tubs with nonslip surfaces and handicap grab bars capable of supporting a sustained weight of 250 lbs.

(2) Any provision of this rule may be waived at the discretion of the department if conditions in existence prior to the adoption of this rule or construction factors would make compliance extremely difficult or impossible and if the department determines that the level of safety to clients and staff is not diminished.