AL Runway Practice Questions - Alabama Runway Contractor Examination Exam

Before placing granular subbase (FAA Item P-154 class work), the prepared subgrade should be:

Left frozen and icy for traction Finished to line and grade, compacted, and free of soft spots or standing water Covered with loose topsoil Saturated overnight to aid compaction

Correct Answer:

Finished to line and grade, compacted, and free of soft spots or standing water

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