SC Asphalt Paving Practice Questions - South Carolina Asphalt Paving Contractor Examination Exam

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SCDOT 701.4.6 generally requires pavement and structural concrete (except Class 2500 and as otherwise specified) to have a maximum slump of 4 inches. If the RCE approves adding water on site to increase slump, the rate and remixing requirement are:

Unlimited water until the crew is satisfied, then 5 revolutions 20 pounds of cement per cubic yard per inch for all classes of concrete 5 gallons per cubic yard per inch, with no remixing 1 gallon per cubic yard per inch of desired slump, not exceeding the maximum w/c, then at least 25 drum revolutions at mixing speed

Correct Answer:

1 gallon per cubic yard per inch of desired slump, not exceeding the maximum w/c, then at least 25 drum revolutions at mixing speed

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