AZ ROC CR-21 Hardscaping & Irrigation Practice Questions - Arizona ROC CR-21 C-21 R-21 Hardscaping And Irrigation Systems Examination Exam

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What is the standard recommended compacted aggregate base depth for a pedestrian paver patio versus a residential paver driveway over well-drained subgrade soil?

4 to 6 inches for pedestrian; 8 to 12 inches for residential driveway 2 inches for pedestrian; 4 inches for residential driveway 8 to 10 inches for pedestrian; 16 to 20 inches for residential driveway 6 to 8 inches for pedestrian; 6 to 8 inches for residential driveway

Correct Answer:

4 to 6 inches for pedestrian; 8 to 12 inches for residential driveway

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