AZ ROC B B-3 CR-61 General Residential, Remodeling And Carpentry Practice Questions - Arizona ROC B B-3 CR-61 General Residential, Remodeling And Carpentry Examination Exam

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A residential building site plan specifies a finished floor elevation (FFE) of 1,250.50 ft. The existing ground elevation at the building pad is 1,248.00 ft. The combined thickness of the crushed aggregate base and concrete slab is 1.00 ft. What is the required depth of fill needed to bring the subgrade to proper elevation before placing aggregate base?

1.50 feet of fill 2.50 feet of fill 1.00 foot of fill 2.00 feet of fill

Correct Answer:

1.50 feet of fill

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