AL Runway Practice Questions - Alabama Runway Contractor Examination Exam

Which condition most clearly indicates a prepared subgrade is not ready for base placement?

Density tests pass and surface is firm under proof roll Rutting and pumping under loaded equipment with free water at the surface Slight dusting after final fine grading in dry weather Survey blue tops match design within tolerance

Correct Answer:

Rutting and pumping under loaded equipment with free water at the surface

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