PE Civil Engineering Exam Prep

Answer: D - Heavy machinery, oversaturated soil, and excess traffic may be possible causes for not achieving required compaction parameters on a construction site. In order to achieve required compaction parameters, best practices should be followed to meet compaction specification requirements. In addition, the movement of heavy machinery and other traffic should be reduced throughout the project site where soil compaction is required. Compaction may be also need to be delayed due to extended wet weather and/or cold temperatures.