Current through Vol. 24-22, December 15, 2024
Section R. 400.4643 - DoorsRule 643.
(1) Doors to required means of egress shall be equipped with at least knob-type, properly operating, positive-latching, nonlocking-against-egress-type hardware which insures the opening of the door with a single motion, such as turning a knob or applying pressure of normal strength on a latch, except that an approved sliding door may be equipped with a non-key locking device.(2) Required doors entering stairs and doors to fire rated enclosures shall not be held in an open position at any time by an underdoor wedge or hold-open device.Mich. Admin. Code R. 400.4643