Enforcement of 29 CFR 1910.29(f)(1)(ii)(B) and 1910.29(f)(1)(iii)(A): Heights of Handrail and Stair Rail Systems Documents Enforcement of 29 CFR 1910.29(f)(1)(ii)(B) and 1910.29(f)(1)(iii)(A): Heights of Handrail and Stair Rail Systems