Tripps Run Stream Improvement

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Tripps Run Stream Improvement

Providence District

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Tripps Run Stream Improvement

  1. 1. Tripps Run Stream ImprovementProvidence DistrictProject No. FX0100-CA014FOCUS No. SD-000031-027
  2. 2. Project DetailsDescription:This project consisted of stabilizing approximately 1,500 linear feet of stream channel. The workincluded installation of in-stream structures (Step Pools, Cross Vane Structures, J-Vane Structures,Riffle Habitat Structure, Plunge Pool Structure, Imbricated Stone Wall, and Stone Toe Protection), thestabilization of stream channel bed and banks, enhancement of the riparian buffer through the planting ofnative vegetation, and other related items. The completion of this project will maximize the water qualitybenefits and provide downstream protection.Project Overview:• Constructed In-Stream Structures to stabilize the streambed and banks, reduce erosion, improvehabitat, and improve water quality.• Replaced the failing existing concrete wall with Imbricated Stone Wall.• Water quality benefits: Reduction of Phosphorous by 15.5 pounds per year, reduction of Nitrogen by290 pounds per year, reduction of suspended solids by 2.35 tons per year.• Restored native trees, shrubs, herbaceous plants, and grasses along the stream channel.DPWES Project Team:• Project Manager: Justin Pistore• Construction Manager: Bill “Newt” Nolan• Project Inspector: Michael Stevens
  3. 3. Project LocationShreve Road, Falls Church, VA - Tax Map No. 40-3PROJECTLOCATION
  4. 4. Pre-existing Condition: Existing Culvert andPlunge Pool
  5. 5. Post Construction: Stream Restoration at existingCulvert with Step Pools and new LandscapingSTEPPOOL
  6. 6. Pre-Existing Condition: Channel goingDownstream From 2nd Existing Culvert
  7. 7. Post Construction: New Channel Work GoingDownstream From 2nd Existing CulvertSTONE TOEPROTECTIONPLUNGE POOLRIFFLEHABITATSTRUCTURE
  8. 8. Post Construction: Channel Reconstruction &New Landscaping
  9. 9. Post Construction: Stream Restoration WorkAdded Landscaping and Imbricated Stone WallIMBRICATEDSTONE WALL
  10. 10. For additional Information, please callIrene Haske, Public Information Officer703-324-5821, TTY 711SWPDmail@fairfaxcounty.govwww.fairfaxcounty.gov/dpwes

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