Best Management Practices (BMPs)
Examples of Biofiltration Swales and Strips
The following 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.
Examples of Earthen Berm Austin Sand Filter
The following examples are taken from two different District roadway projects and demonstrate how to incorporate an Earthen Berm Sand Filter on plans.