25.02.27: AMENDMENT OF SECTION 1809.12:
Notwithstanding the provisions of section 25.02.01 of this article, section 1809.12 of the Building Code is amended to read as follows:
   1809.12 Timber footings. Timber footings shall be permitted for buildings of Type V construction and as otherwise approved by the building official. Such footings shall be treated in accordance with AWPA Ul (Commodity Specification A, Use Category 4B). Treated timbers are not required where placed entirely below permanent water level, or where used as capping for wood piles that project above the water level over submerged or marsh lands. The compressive stresses perpendicular to grain in untreated timber footing supported upon treated piles shall not exceed 70 percent of the allowable stresses for the species and grade of timber as specified in the AF&PA NDS. Timber footings shall not be used in structures assigned to Seismic Design Category D, E or F.
(Ord. 0-19-1357, 11-13-2019; amd. Ord. O-22-1400, 1-11-2023)