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Barnack Drive Outfall Restoration Project Completion

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Barnack Drive Outfall Restoration Project Completion

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Barnack Drive Outfall Restoration Project Completion

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Barnack Drive Outfall Restoration Project Number SD-000031-043 Springfield District April 12, 2017
  2. 2. Barnack Drive Outfall Restoration Maintenance and Stormwater Management Division 2
  3. 3. Project Details Barnack Drive Outfall Restoration Maintenance and Stormwater Management Division Description: The Barnack Drive Outfall Restoration Project was substantially completed on March 23, 2017. The project consisted of the restoration of 221 linear feet of eroded channel located in a Resource Protection Area and behind the properties of 6826 & 6900 Barnack Drive, leading to Pohick Creek. The goals of the project were to address public safety concerns, stabilize a deeply eroded channel by using natural stream design techniques and provide enhanced water quality. Project Overview: • Restore the outfall channel with imbricated stone step pools and reinforced bed mix riffle sections. • Stabilize channel banks using coir matting. • Re-vegetate with native plants, trees and shrubs to promote reforestation in disturbed areas. • Provide reduction of 29 lbs of Total Nitrogen per year, 13 lbs of Total Phosphorus per year, and 4,567 lbs of Total Suspended Solids per year. Project Team: • Project Manager: Jack Meritt, P.E. Maintenance and Stormwater Management Division • Project Design: Wetland Studies and Solutions, Inc. • Contractor: Utilities Unlimited, LLC 3
  4. 4. Maintenance and Stormwater Management Division Project Location: Tax Map 089-1 Springfield District Barnack Drive Outfall Restoration 4 Project Site
  5. 5. Maintenance and Stormwater Management Division Preconstruction Conditions Barnack Drive Outfall Restoration 5
  6. 6. Maintenance and Stormwater Management Division Barnack Drive Outfall Restoration Construction Photos 6
  7. 7. Maintenance and Stormwater Management Division Barnack Drive Outfall Restoration Construction Photos 7
  8. 8. Maintenance and Stormwater Management Division Barnack Drive Outfall Restoration Construction Photos 8
  9. 9. Before After Barnack Drive Outfall Restoration Maintenance and Stormwater Management Division 9
  10. 10. Additional Information For additional Information, please call www.fairfaxcounty.gov/dpwes Barnack Drive Outfall Restoration Maintenance and Stormwater Management Division Irene Haske, Public Information Officer 703-324-5821, TTY 711 SWPDmail@fairfaxcounty.gov 10

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