Concrete is placed on a hot, windy day and the surface begins drying before finishing. What should the superintendent focus on?
Correct Answer
D) Protect and cure the concrete.
Rapid surface drying can cause quality problems; concrete needs appropriate curing and protection after placement.
Why This Is the Correct Answer
Rapid surface drying can cause quality problems; concrete needs appropriate curing and protection after placement.
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The housekeeping pad worksheet shows that the ready-mix order starts from a 13.33-cubic-yard concrete takeoff and adds 10 percent waste. What total order quantity results?
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A rated corridor wall is patched after plumbing work, and the patch uses ordinary board without matching the tested assembly. What must be maintained?
