NV A General Engineering Practice Questions - Nevada A General Engineering Contractor Examination Exam

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When a proof roll or excavation exposes pumping, organic, or otherwise unsuitable subgrade, the usual corrective sequence is which of the following?

Cover the soft area with a thin asphalt skin and proceed Overexcavate to firm material, replace with approved fill in compacted lifts, and retest Flood the area overnight so fines can settle Place the pavement thicker and skip subgrade repair

Correct Answer:

Overexcavate to firm material, replace with approved fill in compacted lifts, and retest

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