What kind of barrier is required for rooftops for workers

Source excerpt

# 1910.27 SCAFFOLDS AND ROPE DESCENT SYSTEMS (cont.) 1910.28 DUTY TO HAVE FALL PROTECTION AND FALLING OBJECT PROTECTION ## (a) General. (1) This section requires employers to provide protection for each employee exposed to fall and falling object hazards. Unless stated otherwise, the employer must ensure that all fall protection and falling object protection required by this section meet the criteria in § 1910.29, except that personal fall protection systems required by this section meet the criteria of § 1910.140. (2) This section does not apply: (i) To portable ladders; (ii) When employers are inspecting, investigating, or assessing workplace conditions or work to be performed prior to the start of work or after all work has been completed. This exemption does not apply when fall protection systems or equipment meeting the requirements of § 1910.29 have been installed and are available for workers to use for pre-work and post-work inspections, investigations, or assessments; (iii) To fall hazards presented by the exposed perimeters of entertainment stages and the exposed perimeters of rail-station platforms; (iv) To powered platforms covered by § 1910.66(j); (v) To aerial lifts covered by § 1910.67(c)(2)(v); (vi) To telecommunications work covered by § 1910.268(n)(7) and (8); and (vii) To electric power generation, transmission, and distribution work covered by § 1910.269(g)(2)(i). (b) Protection from fall hazards. (1) Unprotected sides and edges. (i) Except as provided elsewhere in this section, the employer must ensure that each employee on a walking-working surface with an unprotected side or edge that is 4 feet (1.2 m) or more above a lower level is protected from falling by one or more of the following: (A) Guardrail systems; (B) Safety net systems; or (C) Personal fall protection systems, such as personal fall arrest, travel restraint, or positioning systems. (ii) When the employer can demonstrate that it is not feasible or creates a …