This project will restore 2,800 feet of stream in Ridgeview Park and surrounding properties. The streambed and banks will be stabilized to reduce sediment and nutrient inputs into stream system. Improved habitat will provide better ecology.

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
October 2018

2. 2
Agenda
Brief Review of previous community meetings
 Vicinity Map
 Project Area Limits
 Environmental Benefits
 Project Goals
 Existing Conditions
Design
Next steps
Contact information

3. 3
Vicinity Map

4. 4
Pike Branch Tributary at Ridgeview Park - Project Area Limits
Fort Hill Dr.
Ridge View Dr.
Duvawn St.
Red Wood Ln.
Approximate limits of disturbance

5. 5
Environmental Benefits
Improve watershed conditions and reduce downstream
impacts through….
Control velocity
• Reduce erosion
• Protect infrastructure
• Protect vegetation
Restore riparian corridor
Restore instream habitat

6. 6
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

7. 7
Existing Conditions

8. 8
Existing Bank Conditions

9. 9
Existing Bank Conditions
Erosion undermines tree. Tree becomes unstable and leans.

10. 10
Existing Bank Conditions
April 15, 2015 September 22, 2015

11. 11
Existing Stormwater Infrastructure

12. 12
Existing Utility Infrastructure
Sanitary sewer pipe Base of support pole for
overhead power lines

13. 13
Typical Structures Used – Cross Vanes
Normal FlowHigher flows
Higher flows

14. 14
Typical Structures Used – Root Wads

15. Stormwater Planning Division 15
Construction Access Road

16. 16
Construction Example – Channel Grading

17. 17
Construction Example – Channel Grading

18. 18
Growing Season Following Construction Completion

19. 19
One Year After Construction Completion

20. 20
Three Years After Construction Completion

21. 21
Before and After Examples
Flatlick Confluence
January 2011 September 2015

22. 22
After Construction
Banks Park
November 2014 September 2018

23. 23
After Construction
Banks Park
November 2014 September 2018

24. 24
What could the project look like after construction?

25. 25
Schedule
• Community meeting on concept design – October 2015
• Community meeting on refined concept design – May 2016
• Permitting complete – November 2017
• Design Completion – May 2018
• Construction – November 2018
(Duration 14 months)

26. 26
Contact Information
Contact Information
Design
Fred Wilkins – Project Manager
703-324-5189
Fred.Wilkins@fairfaxcounty.gov
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
Contact Information
Construction
David Becker – Project Engineer
703-324-5111
David.Becker2@fairfaxcounty.gov
Utilities Design and Construction Division
12000 Government Center Parkway
Suite 463
Fairfax, Virginia 22035
https://www.fairfaxcounty.gov/publicworks/capital-
projects