NM CID GF-4 Practice Questions - New Mexico CID GF-4 Drainage Or Flood Control Systems Contractor Examination Exam

Why must embankment for a flood-control berm be placed in relatively thin, uniform lifts rather than in one thick dump?

Thin lifts allow the compaction equipment to densify the full thickness of each layer Thick dumps always exceed 95 percent density without rolling Lift thickness has no effect on density if the water truck runs once a day OSHA forbids lifts thinner than 4 feet

Correct Answer:

Thin lifts allow the compaction equipment to densify the full thickness of each layer

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