NM CID GF-3 Practice Questions - New Mexico CID GF-3 Canals, Reservoirs Or Irrigation Systems Contractor Examination Exam

When must a registered professional engineer design the protective system for an excavation?

Any excavation deeper than 4 feet Any excavation 20 feet or deeper Only excavations in Type A soil Only when a trench box is rented

Correct Answer:

Any excavation 20 feet or deeper

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