NM CID GF-1 Practice Questions - New Mexico CID GF-1 Airports Contractor Examination Exam

Access More Questions

Per OSHA 1926.652, excavation below the bottom of a trench shield is limited to no more than 2 feet unless certain conditions are met. Why does that limit exist?

To keep the shield from floating in groundwater Because soil below the shield can slough inward and undermine the walls the shield is meant to protect Because shields are only rated for 2 feet of cover Because OSHA prohibits any void under a shield in all cases, even with an engineered design

Correct Answer:

Because soil below the shield can slough inward and undermine the walls the shield is meant to protect

Access more questions from this quiz

Continue to NM CID GF-1 Practice Questions - New Mexico CID GF-1 Airports Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions