What is the minimum stretch and ultimate strength required for fall arresters?

The minimum stretch and ultimate strength required for fall arresters is established to ensure the safety of workers at heights. Fall arrest systems must be designed to withstand significant forces in the event of a fall. The choice that indicates 6 feet of stretch and an ultimate strength of 5,000 lbs aligns with the rigorous standards set forth for personal fall protection systems.

A fall arrester must have enough strength to safely arrest a fall without exceeding the limits that could lead to serious injury or equipment failure. The requirement of 5,000 lbs in ultimate strength ensures that the system can withstand the dynamic forces produced during a fall, considering factors such as the weight of the worker and any potential additional forces during the fall. Meanwhile, the 6 feet stretch allows enough room for deceleration and minimizes the risk of the worker hitting the ground or an obstruction below.

The specified requirements help reinforce compliance with safety regulations, ultimately protecting workers and ensuring that fall protection systems are reliable in critical situations. Understanding these standards is essential for employers and safety professionals responsible for maintaining safe practices on construction sites and other environments where workers are exposed to height-related hazards.