Section 15A-3-110 - Amendments to Chapters 23 through 25 of IBC(1) A new IBC, Section 2306.1.5, is added as follows: "2306.1.5 Load duration factors. The allowable stress increase of 1.15 for snow load, shown in Table 2.3.2, Frequently Used Load Duration Factors, Cd, of the National Design Specifications, shall not be utilized at elevations above 5,000 feet (1,524 M)."(2) In IBC, Section 2308.3.1, the words "6 feet (1829 mm)" and "4 feet (1219 mm)" are deleted and each replaced with the words "32 inches."Amended by Chapter 20, 2019 General Session ,§ 10, eff. 7/1/2019.Amended by Chapter 249, 2016 General Session ,§ 13, eff. 7/1/2016.Amended by Chapter 297, 2013 General Session ,§ 9, eff. 7/1/2013.Enacted by Chapter 14, 2011 General Session