1. ANCHORAGE: A secure point of attachment for lifelines, lanyards or deceleration devices; commonly referred to as a tie-off point. ANSI Z359 further defines anchorage as a fixed structural component such as a beam, girder, column or floor that can support the forces exerted in arresting a fall.
2. CONNECTING DEVICE: A device used to link the body support component of the system to the anchorage connector, such as a shock-absorbing lanyard or self-retracting lanyard (SRL).
3. BODY HARNESS: Provides a connection point on the worker to distribute the forces evenly across the body in the event of a fall. A full body harness is a body support device that distributes fall arrest forces across the shoulders, thighs, and pelvis—and has a center back fall arrest attachment, typically a D-ring, for connection to the fall arrest connecting device.
Fall Arrest Systems, A Class Above Traditional Wire Rope.
LESS FALL CLEARANCE DISTANCE—Wire rope systems require additional fall clearance due to the initial sag of the wire. The dynamic sag, or the stretch of the rope during a fall, adds to this distance. A Tether Track™ Rigid Rail Fall Arrest System stops the fall sooner by eliminating any sag, stopping the fall in a much shorter distance than wire rope.
REDUCED RISK OF SWING FALL INJURIES—Injuries occurring after the fall, such as swinging into obstacles, are minimized with a rigid rail fall arrest system, which stays firm and minimizes the total fall distance. When a worker falls on a wire rope system, the wire’s sag will make the trolley slide to the center of the nearest two supports, creating a risk for the worker to collide with nearby obstacles after a fall.
LONGER DISTANCES BETWEEN SUPPORTS—A rigid rail fall arrest system allows for longer distances between supports, reducing both material and installation costs.
SAFER WORK FOR MULTIPLE WORKERS—When a worker falls on a wire rope system, any slack on the wire is eliminated. The result could be a sudden pull on the rope that could have a jarring effect on other workers on the same system. Rigid rail fall arrest systems provide uninterrupted protection for additional workers on the same system. In the event of one worker’s fall, the rigid rail system will not bend or deflect like a wire rope system, allowing additional workers to continue to move freely and safely.
AFTER A FALL—The worker can continue use of a rigid rail fall arrest system after a visual inspection. A wire rope system must be replaced and re-certified by a qualified engineer.
Benefits of a Rigid Rail Fall Arrest System
While it’s name might imply otherwise, rigid rail systems are the most flexible forms of fall arrest. Ideal for environments where there is limited clearance between the working level and lower level or obstruction, these systems provide a shorter free-fall distance and a reduced risk of secondary injury due to impacts during the free fall or sudden deceleration. Rigid rail fall arrest systems are the perfect solution for permanent applications and can easily be customized to fit every situation.