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A personal fall arrest system consists of an anchorage, connectors, a body harness, a lanyard, and may include a deceleration device. Anchorages used for attachment shall be capable of supporting at least 5,000 pounds (22.2 kN) per employee attached or shall be designed, installed, and used under the supervision of a qualified person as part of a complete personal fall arrest system which maintains a safety factor of at least two. Personal fall arrest systems used on scaffolds must be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. 1926.502(d)(15) and 1926.451(g)(3)

Vertical or horizontal lifelines may be used. 1926.451(g)(3)(ii) through (iv)

Lifelines shall be independent of support lines and suspension ropes and not attached to the same anchorage point as the support or suspension ropes. 1926.451(g)(3)(iii) and (iv)

Employees must be tied off when working from an aerial lift. Fall restraint systems or personal fall arrest systems may be used. The use of personal fall arrest systems must comply with Subpart M. 1926.453(b)(2)(v) and 1926.502(d)

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