Section R. 400.18304 - BedroomsRule 304.
(1) A room shall not be used as a bedroom where more than 1/2 the room height is below grade, except where the ceiling of such portion of a building is located 5 feet or more above grade for more than 25% of the perimeter measurement of the building. Such acceptable bedrooms shall have 2 acceptable means of egress.(2) Bedrooms for residents shall be separated from halls, corridors, and other rooms by floor-to-ceiling walls that do not have any openings other than doorways.(3) Interior doorways of bedrooms occupied by residents shall be equipped with a side-hinged, permanently mounted door equipped with positive-latching hardware that will ensure opening of the door by a single motion, such as turning a knob or by pressing with normal strength on a latch.(4) Residents who have impaired mobility shall not sleep in, or be assigned to, bedrooms located above the first or main floor.(5) Bedrooms shall have at least 1 window. Bedrooms shall be well-ventilated and maintained at a comfortable temperature.(6) A single occupancy bedroom shall have not less than 70 square feet of usable floor space. Usable floor space is defined as floor space that is under a ceiling which is not less than 6 feet 6 inches in height.(7) A multioccupancy bedroom shall have not less than 65 square feet of usable floor space per bed and a maximum of 4 beds per bedroom. Usable floor space is defined as the floor space that is under a ceiling which is not less than 6 feet 6 inches in height.Mich. Admin. Code R. 400.18304