What is the maximum height above catwalks or lofts that the top of an extension ladder should extend?

The maximum height that the top of an extension ladder should extend above catwalks or lofts is designated as 3 feet. This regulation helps ensure safety when working at heights, providing a stable handhold for individuals climbing or descending the ladder. By having this additional height, workers can maintain three points of contact, which is crucial for balance and safety while navigating on and off elevated surfaces.

Extending the ladder further than 3 feet can increase the risk of accidents due to potential instability or difficulty in securing oneself while accessing the loft or catwalk. By following this guideline, the chances of slipping or losing balance are diminished, thereby enhancing workplace safety. Furthermore, understanding this regulation is vital for anyone working in environments where ladders are frequently used, such as in telecommunications, construction, or maintenance tasks.