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AZ ROC C-9 Concrete Practice Questions - Arizona ROC C-9 CR-9 R-9 Concrete Examination Exam

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An estimator must calculate the total concrete volume for 16 circular pier columns. Each pier is 24 inches in diameter and 10 feet deep. What is the total concrete volume needed for all 16 piers (net volume without waste)?
Correct Answer:
18.6 cu yd

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