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

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City of Lancaster specifications that adopt SCDOT Section 501 restrict placement when the base or air in the shade is 40°F and falling, or when air in the shade is 95°F and rising or concrete temperature exceeds 95°F. What is the contractor's correct response at 96°F rising air with a 97°F mix?

Place the concrete quickly before the inspector notices Do not place; use hot-weather controls, night paving, or mix adjustments and wait until temperatures comply Add ice only after the concrete is in the forms Increase slump with water until the mix feels cooler

Correct Answer:

Do not place; use hot-weather controls, night paving, or mix adjustments and wait until temperatures comply

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