S = 1300 - 20L ÷ D
Maximum ratio: L ÷ D = 50
Where: L = length, unsupported, in inches.
D = least side of the timber in inches.
S = allowable stress in pounds per square inch of cross section.
Table 26-1.
Ohio Admin. Code 4123:1-5-26
Five Year Review (FYR) Dates: 11/1/2026
Promulgated Under: 119.03
Statutory Authority: 4121.12, 4121.121, 4121.13
Rule Amplifies: 4121.47
Prior Effective Dates: 01/01/1986, 04/10/2011, 06/01/2016