AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

When excavating near existing underground utilities, the safest first step is to:

Probe with a steel bar until you hit something Call 811 / the local one-call center and wait for locate marks before digging Assume utilities are deeper than 4 ft Start with a large excavator bucket for speed

Correct Answer:

Call 811 / the local one-call center and wait for locate marks before digging

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