In particular, they find that silt fences are getting battered because sites are missing upgradient (higher on a hill) erosion controls, like mulch and seed blankets. When those aren't in place to keep the sediment from moving in the first place silt fences are overburdened.
Wednesday, April 12, 2006
Beat up silt fences
According to the MPCA stormwater program, the top stormwater violations in construction are missing or unmaintained erosion and sediment controls--especially silt fences.
In particular, they find that silt fences are getting battered because sites are missing upgradient (higher on a hill) erosion controls, like mulch and seed blankets. When those aren't in place to keep the sediment from moving in the first place silt fences are overburdened.
In particular, they find that silt fences are getting battered because sites are missing upgradient (higher on a hill) erosion controls, like mulch and seed blankets. When those aren't in place to keep the sediment from moving in the first place silt fences are overburdened.
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