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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According to Interlocking Concrete Pavement Institute (ICPI) standards, what is the specified uniform loose, uncompacted thickness for bedding sand beneath concrete pavers prior to compaction?

1 inch (25 mm) 2 inches (50 mm) 1/2 inch (13 mm) 3 inches (75 mm)

Correct Answer:

1 inch (25 mm)

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