Section R. 400.18644 - Egress facilities requiredRule 644.
(1) In an existing congregate facility building that is not more than 2 stories in height, required additional means of egress from the second floor may be provided by approved outside stairways.(2) In an existing congregate facility building that is provided with outside stairways as required means of egress on the effective date of these rules shall not be required to replace the outside stairways if the stairways are in compliance with the requirements for existing fire escapes contained in these rules.(3) 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 3 feet in width.(4) A corridor or passageway that is considered as an approved means of egress shall be not less than 78 inches in height.(5) In an existing congregate facility which is of fire resistant construction or which is protected by an approved sprinkler system where present exits are separated by not less than 50% of the longest dimension of the building, the housing of not more than 10 residents beyond a means of egress will be approved if there is no storage room, pharmacy, or other hazardous occupancy between the resident rooms and the means of egress and if the most remote resident room door is not more than 50 feet from the means of egress.(6) 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 from the room exit door, unless an approved secondary means of egress is provided for the room.(7) A room-to-corridor partition shall be of substantial standard construction and shall be reasonably smoketight.(8) Each story of every building used as a congregate facility shall have not less than 2 means of egress to the outside. Each resident-occupied room shall have at least 1 doorway that opens directly to the outside or to a corridor that leads directly or by stairway to the outside or shall have an opening without a door into 1 adjacent room that has a means of egress directly to the outside.Mich. Admin. Code R. 400.18644