US lawCaliforniaStatutesCode labDivision 5Part 3Chapter 1Article 17107Cal. LAB § 7107Cal. LAB § 7107Last amended: 1970Year: 2025Length: 34 wordsOfficial source Planked floors on buildings shall be tightly laid together of proper thickness, grade and span to carry the working load; such working load to be assumed as at least 25 pounds per square foot.PreviousCal. LAB § 7106NextCal. LAB § 7108