Section R. 408.30429 - High-rise buildingsRule 429.
Sections 403.1 and 403.5.4, of the code are amended to read as follows:
403.1. Applicability. The provisions of this section shall apply to buildings having the occupied floors located more than 55 feet (16 764 mm) above the lowest level of fire department vehicle access. Exception: The provisions of this section shall not apply to the following buildings and structures:
1. Airport traffic control towers in accordance with section 412 of the code.2. Open parking garages in accordance with section 406.5of the code.3. Buildings with an occupancy in group A-5 in accordance with section 303.6 of the code.4. Special industrial occupancies in accordance with section 503.1.1 of the code.5. Buildings with any of the following: 5.1. A group H-1 occupancy.5.2. A group H-2 occupancy in accordance with section 415.8, 415.9.2, 415.9.3, or 426.1.5.3. A group H-3 occupancy in accordance with section 415.8.6. Existing buildings having occupied floor levels not more than 75 feet (22 860 mm) above the lowest level of fire department vehicle access where the local unit of government complies with both of the following: 6.1. The local unit of government has a municipal fire department with an ISO rating of 3 or lower, employing a full-time career firefighting staff.6.2. The governing body of the local unit of government has passed a resolution affirming the use of this exception and filed that resolution with the department of licensing and regulatory affairs, bureau of construction codes.403.5.4. Smokeproof exit enclosures. Every required stairway serving floors more than 55 feet (16 764 mm) above the lowest level of fire department vehicle access shall comply with sections 909.20 and 1023.10 of the code.Mich. Admin. Code R. 408.30429
1979 AC; 1981 AACS; 1985 AACS; 1988 AACS; 1992 AACS; 1995 AACS; 2001 AACS; 2008 AACS; 2010 AACS; 2014 AACS; 2016 MR 24, Eff. 4/20/2017