Section R. 400.18630 - Egress facilities requiredRule 630.
(1) A corridor or passageway from a resident bedroom or ward that leads to egress stairways and then to the outside, or to the outside from the first story, shall be not less than 5 feet in width.(2) A corridor and passageway that is considered as an approved means of egress shall be not less than 90 inches in height.(3) A resident-occupied room shall be located between approved means of egress. Exception no. 1: One room on each side of each end of a corridor that does not have more than 2 residents in each room. A door from a resident-occupied room shall not be more than 15 feet from an approved exit or stairway or egress directly to the outside at grade. Exception no. 2: One room at the end of a corridor that does not have more than 4 residents. A door from a resident-occupied room shall not be more than 15 feet from an approved exit or stairway or egress directly to the outside at grade.
(4) A resident bedroom that is located in an area between exits shall be of such dimensions that no part of the room is more than 30 feet to the room exit door, unless an approved secondary means of egress is provided. There shall be an aisle which is not less than 5 feet in width, which leads to the room exit or exits, and which is maintained free from any obstruction. There shall be not less than 3 feet in width of clear space from 1 side of each bed which is adjacent to the aisle.
(5) A room shall be separated from a corridor with partition construction that extends to the floor or deck above or to a ceiling that is a part of a minimum 1-hour rated assembly which will afford not less than a 3/4-hour-fire-resistant rating. Any glass in such partitions, including doors, shall be 1/4-inch wired glass in steel framing, shall not exceed 1,296 square inches per opening, and shall not have a dimension of more than 54 inches.(6) Approved means of egress from above the first floor shall be through approved enclosed stairways only.(7) A resident-occupied room shall have at least 1 doorway that opens directly to the outside or to a corridor that has 2 separate and independent means of egress which lead to the outside without going through any other occupied room or space, except an approved lobby.Mich. Admin. Code R. 400.18630