Sediment logs are used to reduce hydraulic energy. Also used to filter sediment-landen runoffs. No trenching, no disposal hassles, flexible, contours to the terrain, maintains contact with the sub grade lightweight. Always holds it's shape, reusable. Size is 12" x 1'
Geotex 401 is a polypropylene, staple fiber, needlepunched nonwoven geotextile produced by Propex, and will meet the following Minimum Average Roll Values (MARV) when tested in accordance with the methods listed below. The fibers are needled to form a stable network that retains dimensional stability relative to each other. The geotextile is resistant to ultraviolet degradation and to biological and chemical environments normally found in soils.