Barnack Drive Outfall Restoration Project Completion

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. Barnack Drive Outfall Restoration
Maintenance and Stormwater Management Division 2

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
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4. Maintenance and Stormwater Management Division
Project Location: Tax Map 089-1 Springfield District
Barnack Drive Outfall Restoration
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Project Site

5. Maintenance and Stormwater Management Division
Preconstruction Conditions
Barnack Drive Outfall Restoration
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6. Maintenance and Stormwater Management Division
Barnack Drive Outfall Restoration
Construction Photos
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7. Maintenance and Stormwater Management Division
Barnack Drive Outfall Restoration
Construction Photos
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8. Maintenance and Stormwater Management Division
Barnack Drive Outfall Restoration
Construction Photos
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9. Before After
Barnack Drive Outfall Restoration
Maintenance and Stormwater Management Division 9

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
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