Under 1910.28(b)(1), when is fall protection required for employees working on a walking-working surface with an unprotected side or edge?
Under 1910.28(b)(1), fall protection is required whenever an employee is on a walking-working surface with an unprotected side or edge that is 4 feet (1.2 m) or more above a lower level. Employers must protect those employees by using one or more of the following: a guardrail system, a safety net system, or a personal fall protection system such as a personal fall arrest, travel restraint, or positioning system. See the requirement in 1910.28(b)(1)(i) and the general duty to provide fall protection in 1910.28(a).