SC Concrete Paving Practice Questions - South Carolina Concrete Paving Contractor Examination Exam

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A field density test is 96 percent of maximum dry density, but the moisture is 5 percentage points dry of optimum and the proof roll pumps. What is the most appropriate contractor action?

Place concrete immediately because density already exceeds 95 percent Scarify, add water to near optimum, recompact, and retest before paving Add more dry aggregate on top and pave Flood the subgrade overnight and pave at sunrise

Correct Answer:

Scarify, add water to near optimum, recompact, and retest before paving

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