NM CID GS-4 Practice Questions - New Mexico CID GS-4 Concrete, Cement, Walkways And Driveways Examination Exam

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Per IRC 2021 Section R506.1, concrete floors on ground shall be at least which thickness (except as required for expansive soils)?

2 inches 3-1/2 inches 5 inches 8 inches

Correct Answer:

3-1/2 inches

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