When work is performed on elevated surfaces that are six feet or more above the surrounding area in a construction setting or four feet or more in an industrial setting, protection against falls frequently must be considered. Fall arresting systems, which include lifelines, body harnesses, and other associated equipment, are often used when fall hazards cannot be controlled by railings, floors, nets, and other means. These systems are designed to stop a free fall of up to six feet while limiting the forces imposed on the wearer. Fall protection requirements for scaffolding and ladder use can be referenced here.
A variety of systems may be chosen from when providing fall protection. These systems include:
Standard guardrails consist of a top rail, located 42 inches above the floor, and a mid-rail. Screens and mesh may be used to replace the mid-rail, so long as they extend from the top rail to the floor.
Components of a personal fall arresting system include a body harness, lanyard, lifeline, connector, and an anchorage point capable of supporting at least 5000 pounds.
Calculating Fall Clearances
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A Safety Montioring System allows a trained person to monitor others as they work on elevated surfaces and warn them of any fall hazards.
Warning line systems are made up of lines or ropes installed around a work area on a roof. These act as a barrier to prevent those working on the roof from approaching its edges.
Covers are fastened over holes in the working surface to prevent falls.
Safety Net Systems consist of nets installed as close as possible under the work area.