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Accotink Creek Watershed Project Wakefield Park North

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Accotink Creek Watershed Project Wakefield Park North

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Accotink Creek Watershed Project Wakefield Park North

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Accotink Creek Watershed Project Wakefield Park North Contract No. CN14125121 Project No. SD-000031-126 Braddock District 11/30/2016
  2. 2. Accotink Creek Watershed Projects Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
  3. 3. Project Details Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch The 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 form • Reconnect the channel with its floodplain by raising the stream bed • Place reinforced bed mix material to stabilize the stream bed and banks • Repair a deteriorating outfall and replace a failing Cross County Trail and utility access culvert crossing • Reduce erosion using in-stream grade control structures including: imbricated stone toe protection, plunge and step pools, log and rock sills, and several cross vanes • Create overbank wetland areas and install surface and buried woody debris to support habitat improvement • The 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 Creek Project Team: • Stormwater Planning Division – Dave Anglin, Ken Trinh • Utilities Design and Construction Division (UDCD) – Yudhie Brownson, Tammy Michelli • Project Inspector, UDCD – Jeff Bartlett • Fairfax 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 Connelly • Meadville Land Services (Contractor) – Steve Johnston Accotink Creek Watershed Project: Wakefield Park North
  4. 4. Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Annandale, VA, Tax Map No. 70-2, 70-4 Braddock District Project Area 495 Capital Beltway Accotink Creek
  5. 5. Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Construction of Step Pools Near Outfall
  6. 6. Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Removal of Old Culvert
  7. 7. Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Construction of Trail Pipe Crossing
  8. 8. Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Reinforcing the Streambed
  9. 9. Before After Accotink Creek Watershed Projects Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
  10. 10. Before After Accotink Creek Watershed Projects Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
  11. 11. Additional Information For additional Information, please call www.fairfaxcounty.gov/dpwes Accotink Creek Watershed Projects: Wakefield Park North Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch Irene Haske, Public Information Officer 703-324-5821, TTY 711 SWPDmail@fairfaxcounty.gov

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