NM CID GS-25 Practice Questions - New Mexico CID GS-25 Swimming Pools Examination Exam

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Which soil condition most often requires over-excavation and replacement with engineered fill under a concrete pool shell?

Expansive clay that swells when wet and shrinks when dry Dense bedrock at the planned pool-bottom elevation Well-compacted granular fill placed in lifts Clean, well-draining sandy gravel

Correct Answer:

Expansive clay that swells when wet and shrinks when dry

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