The stream restoration project will reduce erosion, protect infrastructure, protect vegetation, and improve water quality downstream.

1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Pike Branch Tributary
at Ridgeview Park
Stream Restoration Project
May 19, 2016

2. Stormwater Planning Division
Agenda
Brief Review of initial meeting on October 20, 2015
 Social Goals
 Watershed Planning
 Environmental Benefits
 Project Goals
 Existing Conditions
Concept Design
Next steps
Contact information
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3. Stormwater Planning Division
Social Goals
1. Maintain open dialog and share information.
2. Coordinate with all the stakeholders and the community.
3. Design Team – Stantec Consulting Services, Park Authority,
Utilities Design and Construction Division, and Stormwater
Planning Division.
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4. Stormwater Planning Division
Stormwater Program Drivers
• Municipal Separate Storm Sewer Permit (MS-4)
• Chesapeake Bay Total Maximum Daily Loads (TMDL)
– Regulates amount of pollutants in waterways
• Other Local TMDLs
• Maintenance of Existing Facilities
• Dam Regulations
• Public Safety /Emergency Response
– Flooding
– Snow Removal
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5. Cameron Run Watershed
• 33 sq. mi. in Fairfax County.
• 95% of watershed is
developed with a majority
of development occurring
before implementation of
modern stormwater
facilities.
• Cameron Run discharges
into the Potomac River.
• Project CA9203 in the
Cameron Run Watershed
Management Plan.
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http://www.fairfaxcounty.gov/dpwes/watersheds/cameronrun.htm
Stormwater Planning Division

6. Environmental Benefits
Improve watershed conditions and reduce downstream
impacts through….
Controlling velocity
• Reduce erosion
• Protect infrastructure
• Protect vegetation
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7. Stormwater Planning Division
Project Goals
Restore up to 2,800 feet of stream in Ridgeview Park and
surrounding properties
Stabilize streambed and banks
Reduces sediment and nutrient inputs into stream system
Improve habitat for better ecology
Maintain close coordination with stakeholders
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8. Project Area Limits
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Fort Hill Dr.
Ridge View Dr.
Duvawn St.
Red Wood Ln.
Approximate limits of disturbance
Stormwater Planning Division

9. Stormwater Planning Division
Existing Conditions
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10. Stormwater Planning Division
Existing Bank Conditions
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Existing Bank Conditions
Erosion undermines tree. Tree becomes unstable and leans.
Stormwater Planning Division

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Existing Bank Conditions
April 15, 2015 September 22, 2015
Stormwater Planning Division

13. Existing Stormwater Infrastructure
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14. Existing Utility Infrastructure
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Sanitary sewer pipe Base of support pole for
overhead power lines

15. Stormwater Planning Division
Typical Structures Used – Cross Vanes
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16. Stormwater Planning Division
Typical Structures Used – Root Wads
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17. Stormwater Planning Division
Construction Example
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18. Stormwater Planning Division
Construction Example
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19. Stormwater Planning Division
Construction Example
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20. Stormwater Planning Division
Growing Season Following Construction Completion
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21. Stormwater Planning Division
One Year After Construction Completion
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22. Stormwater Planning Division
Three Years After Construction Completion
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Before and After Examples
Flatlick Confluence
January 2011 September 2015
Stormwater Planning Division

24. Before and After Examples
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Banks Park
April 2012 May 2015
Stormwater Planning Division

25. Concept Design
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26. Concept Design
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27. Concept Design
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28. Concept Design
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29. Concept Design
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30. Concept Design
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31. What could the project look like after construction?
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32. Stormwater Planning Division 32
Next Steps – Schedule
• Completed initial concept review – May 2016
• Refined conceptual design due – June 2016
• Completed permitting (VDOT Land Use, Army Corps of Engineers Nationwide
Permit) – December 2016
• Design Completed – Winter 2017

33. Online Resources
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Stormwater Planning Division Website
http://www.fairfaxcounty.gov/dpwes/stormwater/
Fairfax County Watershed Planning
http://www.fairfaxcounty.gov/nvswcd/newsletter/planning.htm
Cameron Run Watershed Plan
http://www.fairfaxcounty.gov/dpwes/watersheds/cameronrun.htm
Stormwater Planning Division

34. Stormwater Planning Division
Contact Information
Contact Information
Design
Fred Wilkins – Project Manager
703-324-5189
Fred.Wilkins@fairfaxcounty.gov
Fairfax County Stormwater Planning Division
703-324-5500 TTY 711
12000 Government Center Parkway
Suite 449
Fairfax, Virginia 22035
www.fairfaxcounty.gov/publicworks/stormwater
To request this information in an alternate format call 703-324-5500, TTY 711
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