§ 153.18 UNSUPPORTED WALL LENGTH.
   The ratio of unsupported wall length to thickness, for bale walls, shall not exceed 13:1 (for a 23-inch thick wall, the maximum unsupported length allowed is 25 feet), unless the structure is designed by an engineer or architect licensed by the state to practice as such, and approved by the building official.
(Res. 96-17, passed 12-12-1996)