An excavation deeper than what depth must have a ladder for access?

When it comes to excavation safety, regulations typically require that any excavation deeper than a certain depth must have a ladder or some means of access for workers. In the context of this question, a depth of 4 feet is significant because it represents a critical threshold where the risk of a worker falling into the excavation significantly increases.

Ladders are essential for providing safe access and egress in excavations, allowing workers to enter and exit the site safely, thereby reducing the risk of accidents and injuries. The requirement for ladders for excavations deeper than 4 feet reflects occupational safety standards aimed at preventing falls, which are one of the leading causes of workplace injuries.

Moreover, the stipulation at this specific depth is also consistent with safety regulations from organizations like OSHA, which emphasizes protective measures in construction and excavation operations. This depth serves as a guideline to ensure that safety protocols are in place before workers begin their duties in deeper excavations.