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

A proof roll of finished subgrade under a paved overflow access road is performed to:

Measure the exact Modified Proctor maximum in the laboratory Detect pumping, rutting, or deflection that indicates unstable or wet subgrade before paving Replace all nuclear density tests on every lift of the embankment Satisfy OSHA trench-egress rules

Correct Answer:

Detect pumping, rutting, or deflection that indicates unstable or wet subgrade before paving

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