IBC Section 1805.2 is amended to read as follows:
1805.2 Depth of footings. The minimum depth of footings below the undisturbed ground surface shall be in accordance with Minnesota Rules, part 1303.1600. Where applicable, the depth of footings shall also conform to Sections 1805.2.1 through 1805.2.3.
IBC Section 1805.2.1 is amended to read as follows:
1805.2.1 Frost protection. Except where otherwise protected from frost, foundation walls, piers, and other permanent supports of buildings and structures shall be protected from frost by one or more of the following methods:
1. The minimum allowable footing depth shall be in accordance with Minnesota Rules, part 1303.1600;
2. Constructing in accordance with ASCE-32; or
3. Erecting on solid rock.
Exception: Freestanding buildings meeting all of the following conditions shall not be required to be protected:
1. Classified in Occupancy Category I in accordance with Section 1604.5;
2. Area of 600 square feet (56 m2) or less for light frame construction or 400 square feet (37 m2) or less for other than light frame; and
3. Eave height of 10 feet (3,048 mm) or less.
Footings shall not bear on frozen soil unless such frozen condition is of a permanent character.
27 SR 1474; 32 SR 7; L 2007 c 140 art 4 s 61; art 13 s 4; L 2008 c 337 s 64
February 23, 2009
Official Publication of the State of Minnesota
Revisor of Statutes