How many feet must ladders extend above the trench?

Ladders used in trenching operations must extend at least 3 feet above the edge of the trench to provide sufficient height for safe access and egress. This requirement helps ensure that workers can safely grab the ladder when climbing in and out of the trench, reducing the risk of falls. By extending 3 feet above the trench, the ladder offers a stable and secure handhold, which is critical in preventing accidents, especially in environments where workers may be exposed to more significant hazards.

The regulations surrounding ladder use in trenching are designed to enhance worker safety, and this specific height requirement is a standard practice in the industry. Adhering to this standard is essential for compliance with safety regulations, which are intended to protect workers in construction and excavation operations.