SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

Before rock fill is placed over a structure, SCDOT requires the structure to be covered with a minimum of:

6 inches of loose sand A single layer of geotextile with no soil cover 4 feet of shot rock 2 feet of properly compacted earth or other approved material

Correct Answer:

2 feet of properly compacted earth or other approved material

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