NM CID GF-1 Practice Questions - New Mexico CID GF-1 Airports Contractor Examination Exam

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Check dams placed in a temporary drainage swale on an airport construction site are used primarily to do which of the following?

Increase flow velocity so the swale is self-cleaning Replace the need for a lined concrete flume on a permanent airfield outfall Serve as a substitute for a Notice of Intent Reduce flow velocity and trap sediment in a concentrated-flow channel

Correct Answer:

Reduce flow velocity and trap sediment in a concentrated-flow channel

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