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.

Trench box safety checklist.

Excavation and trenching are among the most hazardous construction operations. Surface encumbrances such as utility poles heavy equipment supported or removed. Trenching and excavation safety 1 introduction excavation and trenching are among the most hazardous construction operations. Daily worksite checklist for trenching excavation sites.

All employees at worksite trained in trenching safety procedures. Trench boxes must extend eighteen inches above the surface and be no more than two feet from the bottom of the trench. 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. Trench box extends at least 18 inches above the vertical wall of the excavation and to within 2.

Excavation checklists are an essential tool used during pre operations to evaluate the jobsite utilities and equipment access means area atmosphere and support systems to identify problems before they occur. A trench box can be used in combination with other protective systems such as sloping and benching. Excavation checklists are used to perform safety inspections and risk assessments for excavation and trenching projects. The occupational safety and health administration s osha excavation standards 29 code.