During a grading project, what is the result of excessive compaction?

Excessive compaction during a grading project can lead to reduced drainage. When soil is compacted too much, the air spaces within the soil particles are diminished, which limits the soil's ability to absorb and retain water. Good drainage is essential for maintaining healthy soil structure and preventing water pooling on the surface, which can lead to erosion or other complications.

Soils that are over-compacted often become dense and impermeable, preventing water from passing through efficiently. This not only affects the immediate site but can also impact surrounding areas by altering natural water flow patterns. Understanding this effect is crucial when managing soil conditions during grading, as it influences overall project success and long-term land usability.