Sheetflow Construction Erosion and Sediment Control

March 19, 2019

Unrolled Asphalt Berm Edge Clean Water Diversion

Here is another cool trick for keeping clean water out of your project. The contractor put down ATB (asphalt-treated base) and asphalt but didn’t roll (compact) the edge, which left a 3 or 4 inch berm. Clean rain water was kept on the asphalt rather than flowing off into the dirt shoulder and disturbed areas.

February 23, 2019

More Clean Water Diversion Best Management Practices

This shows several simple water diversion berms in action during a heavy rain. While the construction project is complete and the grass has grown, you can see how they prevented erosion during the project when bare dirt was exposed to rain.

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