Best Management Practices (BMPs) Examples

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Biofiltration Swales and Strips

Richmond Parkway Bioswale

Photo of bioswale at Richmond Parkway along Contra Costa 80.

These examples are taken from roadway projects in several Districts and demonstrate different ways to indicate biofiltration swales on plans.

Drainage plans indicating bioswales in the legend and with call-outs.

Drainage details describing the shape and grading of the bioswales.

Erosion control plans showing hydroseeding and planting.

Quantity summary sheet showing bioswale and biostrip locations for erosion control materials.

Route 92 Bioswale

Photo of bioswale along Route 92 near the San Mateo Hayward Bridge.

Earthen Berm Austin Sand Filter

These two examples are taken from two different District roadway projects and demonstrate how to incorporate an Earthen Berm Sand Filter on plans


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