Construction operations disturb ground cover, leaving bare earth exposed to wind and rainfall. The main function of this perimeter barrier is to detain sediment-laden sheet flow runoff from disturbed land areas. By slowing the velocity of surface water, suspended soil particles settle out of suspension before runoff leaves the job site. This temporary sediment filter retains silt and soil on site, protecting adjacent land, storm drains, streams, and natural waterways from ecological degradation and clogging. Implementing a silt fence creates a reliable containment line that supports local environmental compliance and keeps working zones clean during excavation.
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