AL Sitework Practice Questions - Alabama Sitework Contractor Examination Exam

Why are fill materials placed in lifts (layers) rather than in one deep dump?

To make the job take longer for billing purposes only So each layer can be moisture-conditioned and compacted uniformly to the required density Because equipment cannot dump material more than 2 inches deep To eliminate the need for any testing

Correct Answer:

So each layer can be moisture-conditioned and compacted uniformly to the required density

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