California Labor Code Section 7104

CA Labor Code § 7104 (2017)  

If a span of a floor on a building exceeds 13 feet, an intermediate beam shall be used to support the temporary flooring, but spans not to exceed 16 feet may be covered by three-inch planks without an intermediate beam. The intermediate beam shall be of a sufficient strength to sustain a live load of 50 pounds per square foot of the area supported.

(Repealed and added by Stats. 1970, Ch. 1498.)

Last modified: October 25, 2018