The key to safe excavations between 5 and 20 feet deep is that the work be supervised closely by a trained, competent person. (Trenches 20 feet or deeper require a safety system devised by a ...

Improper operation of an excavator while trenching, sloping or benching can have a big impact on productivity and can potentially place both people and equipment at risk. Oftentimes, it's the result ...

Excavation and trenching are considered two of the most dangerous construction operations by the Occupational Health and Safety Administration, and the governmental agency cites numerous contractors ...

The bench slope performance of transition zone materials in deeply weathered deposits are highly variable due to the inherent soil and rock masses complexity, and the excavation practices that are ...