The criteria for aerial lifts are set out exclusively in 1926.453.īearer (putlog) means a horizontal transverse scaffold member (which may be supported by ledgers or runners) upon which the scaffold platform rests and which joins scaffold uprights, posts, poles, and similar members.īody belt (safety belt) means a strap with means both for securing it about the waist and for attaching it to a lanyard, lifeline, or deceleration device.īody harness means a design of straps which may be secured about the employee in a manner to distribute the fall arrest forces over at least the thighs, pelvis, waist, chest and shoulders, with means for attaching it to other components of a personal fall arrest system.īrace means a rigid connection that holds one scaffold member in a fixed position with respect to another member, or to a building or structure.īricklayers' square scaffold means a supported scaffold composed of framed squares which support a platform.Ĭarpenters' bracket scaffold means a supported scaffold consisting of a platform supported by brackets attached to building or structural walls.Ĭleat means a structural block used at the end of a platform to prevent the platform from slipping off its supports. It does not apply to crane or derrick suspended personnel platforms, which are covered by 1926.550(g).
This subpart applies to all scaffolds used in workplaces covered by this part. OSHA Construction Safety Regulations - Subpart L OSHA Health & Safety Construction-related Regulations - L - 450 to 499īack to the main OSHA Construction Regulations PageĬFR# 1926.450 - Scope, application and definitions applicable to this subpart.
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