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Trenching and Excavation Safety - Occupational Safety and ...

A trench is defined as a narrow excavation (in relation to its length) made below the surface of the ground. In general, the depth ... employers may proceed with caution, which includes using detection equipment or other acceptable means to locate utility installations.

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  Safety, Employers, Relations, Trenching, Excavations, In relation, Trenching and excavation safety

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