A builder is installing a concrete foundation wall that will be 8 feet high and 10 inches thick. The wall will retain 6 feet of unbalanced fill. What is the minimum concrete compressive strength required by Michigan Building Code?
Correct Answer
D) 3,000 psi
Michigan Building Code requires minimum 3,000 psi compressive strength for concrete foundation walls retaining more than 4 feet of unbalanced fill.
Why This Is the Correct Answer
Michigan Building Code requires minimum 3,000 psi compressive strength for concrete foundation walls retaining more than 4 feet of unbalanced fill.
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Previous Question
During a framing inspection, a building official notes that wall studs are spaced at 19.2 inches on center instead of the typical 16 inches. Under what condition would this be acceptable according to Michigan Building Code?
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A contractor discovers that the soil conditions require deeper footings than initially planned. The footing depth must now be 5 feet below grade. What additional consideration is most important for this foundation design in Michigan?