What must be avoided when constructing a retention basin with heavy equipment?

When constructing a retention basin, the use of heavy equipment can lead to excessive compaction of the soil, which is not desired. Proper soil structure is essential for effective water retention, infiltration, and the overall health of the ecosystem within the basin. Excessive compaction can reduce the porosity and permeability of the soil, making it difficult for water to infiltrate effectively, which can defeat the purpose of the retention basin that is intended to manage stormwater.

In addition to affecting water absorption, excessive compaction can also lead to problems with vegetation establishment, as roots may struggle to penetrate tightly compacted soil. This can affect the ecological functionality of the basin, making it less effective in filtering pollutants and supporting wildlife.

Understanding the balance between necessary compaction for structural integrity and avoiding excessive compaction is vital for successful retention basin construction. Techniques such as light compaction or using specific construction practices that minimize compaction can help maintain soil health and functionality.