SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

The final 2 feet of an SCDOT rock embankment just below subgrade must be:

Open-graded shot rock with no fines Suitable material placed in layers not exceeding 8 inches loose and compacted to the required density A single 2-foot uncompacted lift of boulders Recycled glass aggregate only

Correct Answer:

Suitable material placed in layers not exceeding 8 inches loose and compacted to the required density

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