When work is performed on elevated surfaces that are six feet or more above the surrounding area 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.

A variety of systems may be chosen from when providing fall protection. These systems include:

1. Guardrails: 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.
2. Personal Fall Arresting Systems: 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.
3. Positioning Device Systems: Positioning device systems consist of a body belt or harness rigged to allow work on a vertical surface, such as a wall, with both hands free.
4. Safety Monitoring by a Competent Person: This system allows a trained person to monitor others as they work on elevated surfaces and warn them of any fall hazards.
5. Safety Net Systems: These systems consist of nets installed as close as possible under the work area.
6. Warning Line Systems: 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 it edges.
7. Covers: Covers are fastened over holes in the working surface to prevent falls.

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