AZ ROC C-9 Concrete
Arizona ROC C-9/CR-9/R-9 Concrete Examination
EstimatingEnglish
Exam overviewPractice session
A concrete contractor is estimating the concrete volume required for a building slab measuring 40 feet wide by 60 feet long with a specified thickness of 6 inches. Allowing a 10% waste factor for subgrade irregularities and spillage, how many cubic yards of concrete should be ordered?
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