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Wakefield Park South Stream Restoration

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Wakefield Park South Stream Restoration

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Wakefield Park South Stream Restoration

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Wakefield Park South Stream Restoration CN14125120 SD-000031-125 Braddock District September 1, 2016
  2. 2. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch
  3. 3. Project Details Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch The Wakefield Park South Stream Restoration project was substantially completed on budget and ahead of schedule on August 17, 2016. The project consisted of restoring approximately 2,700 linear feet of combined unnamed tributaries to Accotink Creek using natural channel design techniques. Project Overview: • Establishment of new and stable channel geometry and plant form • Reconnection of the channel with its floodplain by raising the stream bed • Placement of a reinforced bed mix material to stabilize the stream bed • Repairing a failing outfall storm drain structure by consolidating it into another adjacent storm drain outfall system • Stabilization of the stream bed and banks, reduction of erosion through the installation of various in-stream structures to include: Imbricated Rock Walls and toe protection, Log and Rock Sills, Boulder Riffles, Rock Step Pools, Modified Cross-Vanes • Creation of overbank wetland areas and providing surface and buried woody debris to support habitat improvement • Reduction of 4,360 lbs. of total nitrogen per year, 1,829 lbs. of total phosphorus per year, and 315 tons of sediment per year leading to Accotink Creek Project Team: • Stormwater Planning Division – Dave Anglin • Utilities Design and Construction Division (UDCD) –Yudhie Brownson, Tammy Michelli • Land Survey Branch, UDCD - Pat Gallahan, Mike Perry, Larry Randall, Cody Harp-Taylor • Project Inspector, UDCD – Jeff Bartlett • Fairfax County Park Authority – Michael Cadwallader, Andy Galusha, Tom McFarland, Mark Plourde, Justin Roberson • Urban Forestry Management – Samantha Wangsgard • Wastewater Collection Division – Gerald Brede, Shwan Fatah, Jonathan Okafor, Bobby White • Wetland Solution Studies Incorporated – Jason Beeler, John Connelly, J.T. Kelley
  4. 4. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch 8100 Braddock Road (Annandale, VA) – Tax Map No. 70-4 Braddock District Wakefield Park South Stream Restoration - Approximate Project Limits
  5. 5. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch A series of newly constructed Armored Step Pools at the upstream end section of the project
  6. 6. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch A newly restored section of the stream channel
  7. 7. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch The newly restored stream section at Tributary #1
  8. 8. Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch A newly restored section of the project where it ties into Accotink Creek
  9. 9. Before After Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch
  10. 10. Before After Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch
  11. 11. Additional Information For additional Information, please call www.fairfaxcounty.gov/dpwes Wakefield Park South Stream Restoration Capital Facilities/Utilities Design and Construction Division/Transportation & Stormwater Construction Branch Irene Haske, Public Information Officer 703-324-5500, TTY 711 Irene.Haske@fairfaxcounty.gov

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