When setting up a crane by a ditch or an excavation, what is the minimum distance that should be maintained from the edge?

The minimum distance that should be maintained from the edge of a ditch or excavation is appropriately defined as 1 1/2 times the depth of the excavation. This guideline is crucial for ensuring stability during crane operation. The reason for this distance is to prevent any risk of the crane's weight or movement causing erosion or collapse of the ditch or excavation edge.

When cranes are positioned near a trench, the soil can be unstable, and the potential for cave-in increases as the crane exerts pressure on the surrounding ground. By maintaining a distance that is proportional to the depth of the excavation, the safety margin is enhanced, significantly reducing the risk of accidents or crane tip-over.

This principle is foundational in crane operation safety standards and is grounded in practical considerations of soil mechanics, load distribution, and the nature of excavation work. Following this rule helps ensure the safety of personnel and the equipment involved in lifting operations near vulnerable areas.