Polymer Group, Inc. 70 Old Hickory Blvd. I Old Hickory, TN 37138 USA 800-541-5519 e.mail: geosales@fiberweb.com | www.typargeosynthetics.com ™ indicates a trade mark of Polymer Group, Inc., many of which are registered in a number of countries around the world. Geosynthetics you can trust Quick Facts Project: Knox County Stormwater Management Park Address: Harrell Road, Knoxville, TN Install: November 2013 Distributor: Mike Barto with Erosion Supply in Knoxville, TN Project Size: 450 square feet Product: Grassprotecta™ Standard with a double net straw blanket Issue The Knox County Stormwater management group had an existing outfall adjacent to a subdivision that was receiving stormwater that was eroding the soil away. The group installed rock armor at the outfall, but the stabilization tactic transferred the erosion problem that was then shifted to the end of the rip-rap stone installation. A solution was needed to mitigate the erosive forces in the long transition zone from pipe outfall to drainage swale. Solution TYPAR Grassprotecta™ mesh was selected for scour protection and installed beyond the rock armor. Due to the soil found in this area a double net straw blanket was selected to be installed underneath the Grassprotecta™ to help contain fine soil particles during vegetation establishment. The contractor leveled the eroded zone with a skid steer and a rack to prepare the surface for installation. The area was then seeded and the straw blanket was installed to the manufacturer’s specification. Grassprotecta™ was installed over the double-net straw blanket and anchored in-place using the TYPAR recommended Scour Protection Anchors. The site was complete and vegetation was allowed to establish in the erosion-prone transition zone due to the reinforcement of Grassprotecta™. Benefits TYPAR Grassprotecta™ mesh stabilized the surface to eliminate erosion problems at the pipe outfall. The vegetated solution provides a green armament to match the aesthetic of the subdivision, blending the solution into the existing infrastructure. Grassprotecta™ provided a soil erosion solution and allowed the group personnel to be able to access the existing area by vehicle without damaging the ditch or transition zone, providing additional support during regular lawn maintenance and access. GP | 0214 PROJECT PROFILE Scour Protection
Knox Cty Gpcs 2-12014
Dec 19, 2015
Scour protection
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Polymer Group, Inc.70 Old Hickory Blvd. I Old Hickory, TN 37138 USA
800-541-5519e.mail: [email protected] | www.typargeosynthetics.com
indicates a trade mark of Polymer Group, Inc., many of which are registered in a number of countries around the world.
Geosynthetics you can trust
Quick FactsProject: Knox County Stormwater Management Park
Address: Harrell Road, Knoxville, TN
Install: November 2013
Distributor: Mike Barto with Erosion Supply in Knoxville, TN
Project Size: 450 square feet
Product: Grassprotecta Standard with a double net straw blanket
IssueThe Knox County Stormwater management group had an existing outfall adjacent to a subdivision that was receiving stormwater that was eroding the soil away. The group installed rock armor at the outfall, but the stabilization tactic transferred the erosion problem that was then shifted to the end of the rip-rap stone installation. A solution was needed to mitigate the erosive forces in the long transition zone from pipe outfall to drainage swale.
SolutionTYPAR Grassprotecta mesh was selected for scour protection and installed beyond the rock armor. Due to the soil found in this area a double net straw blanket was selected to be installed underneath the Grassprotecta to help contain fine soil particles during vegetation establishment. The contractor leveled the eroded zone with a skid steer and a rack to prepare the surface for installation. The area was then seeded and the straw blanket was installed to the manufacturers specification. Grassprotecta was installed over the double-net straw blanket and anchored in-place using the TYPAR recommended Scour Protection Anchors. The site was complete and vegetation was allowed to establish in the erosion-prone transition zone due to the reinforcement of Grassprotecta.
BenefitsTYPAR Grassprotecta mesh stabilized the surface to eliminate erosion problems at the pipe outfall. The vegetated solution provides a green armament to match the aesthetic of the subdivision, blending the solution into the existing infrastructure. Grassprotecta provided a soil erosion solution and allowed the group personnel to be able to access the existing area by vehicle without damaging the ditch or transition zone, providing additional support during regular lawn maintenance and access.
GP | 0214
PROJECT PROFILEScour Protection
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