SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

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SCDOT 2007 defines rock excavation as rock that cannot be excavated without blasting, rippers, hoe-rams, or pavement breakers, and also includes boulders or detached stones each having a volume of at least:

1 cubic foot 1/4 cubic yard 2 cubic yards 1/2 cubic yard

Correct Answer:

1/2 cubic yard

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