Trench Box Safety Checklist

Excavation and trenching are among the most hazardous construction operations.

Trench box safety checklist.

The occupational safety and health administration requires that a trench box must be used for all trenching or excavations five feet or greater in depth. Surface encumbrances such as utility poles heavy equipment supported or removed. A trench box can be used in combination with other protective systems such as sloping and benching. Daily worksite checklist for trenching excavation sites.

A safety checklist may prove helpful when employers. A trench is defined as a narrow underground excavation that is deeper than it is wide and is no wider than 15 feet 4 5 meters. Excavation checklists are used to perform safety inspections and risk assessments for excavation and trenching projects. All employees at worksite trained in trenching safety procedures.

Osha defines an excavation as any man made cut cavity trench or depression in the earth s surface formed by earth removal. Trench box extends at least 18 inches above the vertical wall of the excavation and to within 2. Trench boxes must extend eighteen inches above the surface and be no more than two feet from the bottom of the trench. The occupational safety and health administration s osha excavation standards 29 code.