Accotink Creek Watershed Project Wakefield Park North

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PowerPoint PresentationAccotink Creek Watershed ProjectWakefield Park NorthContract No. CN14125121 Project No. SD-000031-126Braddock District11/30/2016A Fairfax County, VA, publicationDepartment of Public Works and Environmental ServicesWorking for You!Accotink Creek Watershed ProjectsWakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchThe Wakefield Park North Stream Restoration project was substantially completed within budget and ahead of schedule on October 6, 2016. The project restored approximately 900 linear feet of an unnamed tributary to Accotink Creek using natural channel design techniques.Project Overview:Establish new and stable channel geometry and plan formReconnect the channel with its floodplain by raising the stream bed Place reinforced bed mix material to stabilize the stream bed and banksRepair a deteriorating outfall and replace a failing Cross County Trail and utility access culvert crossingReduce erosion using in-stream grade control structures including: imbricated stone toe protection, plunge and step pools, log and rock sills, and several cross vanesCreate overbank wetland areas and install surface and buried woody debris to support habitat improvementThe project reduces total phosphorus by 154 pounds per year; reduces total nitrogen by 505 pounds per year; and removes 27 tons of sediment per year from this tributary leading to Accotink CreekProject Team:Stormwater Planning Division Dave Anglin, Ken TrinhUtilities Design and Construction Division (UDCD) Yudhie Brownson, Tammy MichelliProject Inspector, UDCD Jeff BartlettFairfax County Park Authority Michael Cadwallader, Andy Galusha, Tom McFarland, Mark Plourde, Justin Roberson, Samantha Wangsgard Wetland Studies and Solutions, Inc., Design Consultant J.T. Kelly, Jason Beeler, John ConnellyMeadville Land Services (Contractor) Steve JohnstonAccotink Creek Watershed Project: Wakefield Park NorthProject DetailsAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchAnnandale, VA, Tax Map No. 70-2, 70-4Braddock DistrictProject Area495 Capital BeltwayAccotink CreekAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchConstruction of Step Pools Near OutfallAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchRemoval of Old CulvertAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchConstruction of Trail Pipe CrossingAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchReinforcing the StreambedAccotink Creek Watershed ProjectsWakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchBeforeAfterAccotink Creek Watershed ProjectsWakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchBeforeAfterAccotink Creek Watershed Projects: Wakefield Park NorthCapital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction BranchIrene Haske, Public Information Officer703-324-5821, TTY 711SWPDmail@fairfaxcounty.govAdditional InformationFor additional Information, please callwww.fairfaxcounty.gov/dpwes

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