Transcription of 4.5 Slope Protection
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4.5 Slope Protection
Kentucky Construction Site BMP Planning and Technical Specifications Manual Slope ProtectionGeneral InformationRelatively flat areas those with slopes of 2 percent or less can be treated to a large extent through controlled clearing and grading, mulch, and temporary or permanent seed. Slopes greater than that, however, require more attention to sheet runoff volume and the management of areas where flows converge and are transported to downstream receiving waters. Sediment barriers, rolled erosion control products, and greater attention to downslope drainage are usually needed on slopes, especially those that are steep and section addresses erosion Protection and sediment control approaches specifically for slopes.
Blankets or armoring—Long slopes (greater than 100 feet) exceeding 3H:1V with highly erodible soils need to be protected with erosion control blankets or turf reinforcement mats. Rock mulch and lined downdrain channels might be needed on steep slopes to control gullying.
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