(1) As used in this subchapter, the following definitions apply:
- (a) "Accessory structure" means a building or structure utilized for sheltering equipment or materials, or for other uninhabitable occupancy purposes.
- (b) "Approved" means acceptable to the code official or authority having jurisdiction.
- (c) "Department" means the Department of Labor and Industry.
- (d) "Fire-resistance-rated construction" means the use of methods, materials, and systems in the construction of a structure to provide against the spread of fire within a structure and to or from a structure to the outside environment.
- (e) "Ignition-resistant building material" means a type of building material that resists ignition or sustained flaming combustion.
- (f) "International Building Code" means the International Building Code (IBC), adopted by ARM 24.301.131.
- (g) "International Residential Code" means the International Residential Code (IRC) adopted by ARM 24.301.154.
- (h) "Noncombustible" means a material that is either a material of which no portion will ignite and burn when fire is applied to it, or a material that has a structural base of noncombustible material with surface materials not in excess of 1/8 inch in thickness, which has a flame spread index of 50 or less.
- (i) Any material conforming to ASTM 136 shall be considered noncombustible.
- (ii) "Flame spread index" refers to the index obtained from tests conducted in ASTM E 84 or UL 723.
- (i) "Wildland-Urban Interface"
- (WUI) , means the line, area, or zone where structures and other human development meet or intermingle with undeveloped wildland or vegetative fuels.
Authorizing statute(s): 50-60-901, MCA
Implementing statute(s): 76-3-504, MCA
History: NEW, 2011 MAR p. 319, Eff. 2/25/11.