AL Pipelines Practice Questions - Alabama Pipelines Contractor Examination Exam

What is a trench shield (trench box) designed to do?

Protect workers inside the shield from cave-ins while work is performed within its walls Prevent all groundwater from ever entering the excavation Replace the need for one-call utility notification Serve as permanent backfill material

Correct Answer:

Protect workers inside the shield from cave-ins while work is performed within its walls

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