A community meeting was held to inform residents about the conceptual design and alternatives of the project.

1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Tucker Avenue Neighborhood Stormwater Improvement Project
Conceptual Design Alternatives Review
Community Meeting
March 11, 2020
March 2020

2. Tucker Avenue Neighborhood
Stormwater Improvement Project
Community Information Meeting
Wednesday, March 11, 2020
Chesterbrook Elementary
1753 Kirby Rd, McLean
@JohnFoustva
@DranesvilleSupervisor Dranesville@FairfaxCounty.gov
https://www.fairfaxcounty.gov/dranesville/
WELCOME AND THANK YOU!

3. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Introductions
3
• Department of Public Works and Environmental Services (DPWES)
– Maintenance and Stormwater Management Division (MSMD)
– Stormwater Planning Division (SWPD)
– Wastewater Collection Division (WCD)
• Land Development Services (LDS)
• Northern Virginia Soil and Water Conservation District (NVSWCD)
• Virginia Department of Transportation (VDOT)
• Stantec – Design Consultants

4. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Agenda
• Project Updates
– Objectives
– Project Status
– Existing Drainage Conditions
– Existing Utilities
– Conceptual Design Alternatives
– Easement
• Homeowner Drainage Improvements
• Proposed Schedule and Next Steps
4

5. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Project Status
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TASK STATUS
Topographic (Land) Survey, Utility Designation and sub-surface
borings to classify soils
Complete
Existing Condition Plans Complete
Concept Design Alternatives Draft for Review
Easement needs and acquisition Ongoing
Utility test pits to verify depths Next Steps
Subsurface boring: infiltration tests Next Steps
Revised Concept & Final Design Next Steps
Maintenance and Operations of existing system Ongoing

6. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
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7. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
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Upper
Tucker
Middle
Tucker
Lower
Tucker

8. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
8
Overland Flow Direction
Overland Flow Path
FEMA 100-Year Flood Elevation

9. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
9

10. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
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11. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions
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12. 12
1937 Aerial

13. 13
1953 Aerial

14. Stormwater Management
Tucker Ave Neighborhood Stormwater Improvement Project
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2017 Aerial

15. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Project Objectives
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• Reduce risk of house flooding and public safety concerns
• Safely convey stormwater runoff through neighborhood and reduce road flooding
• Reduce and treat stormwater runoff at the source
• Improve water quality and stream protection
• Use innovative and functional designs
• Make improvements compatible with characteristics of neighborhood
• Partner with community to develop sound, cost effective solutions that can be
collaboratively implemented and maintained
• Build on lessons learned to help improve site development process for infill development

16. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Draft Conceptual Design Alternatives
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17. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Upper Tucker Drainage Area
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Total Drainage Area
Approximately 30 Acres
Drainage Area
Approximately 20 Acres
Drainage Area
Approximately 10 Acres
Drains to Existing
Concrete Ditch

18. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Upper Tucker – Alternative 1
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Local area and larger
storms drain to
improved ditch
Upper Tucker Ave. and
Upper Byrnes to new pipe
system on Tucker Ave

19. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Upper Tucker – Alternative 2
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Upper Byrnes and
surrounding area to new
pipe system and
improved ditch
Upper Tucker Ave. to new
pipe system on Tucker Ave.

20. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker Proposed Improvements
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Total Drainage Area
Approximately 48 Acres
Drains to Lower
Tucker Ave.

21. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker – Existing Conditions
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22. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker – Existing Concrete Ditch
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23. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker – Existing Easement
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24. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker – Ditch Alternative 1
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Enlarge Concrete Ditch
Natural Channel

25. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Middle Tucker – Ditch Alternative 2
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Yard Inlet
Yard inlets would be installed
along improved ditch

26. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Lower Tucker
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Total Drainage Area
Approximately 60 Acres
Drains to Pimmit Run
Local area and larger
storms drain to
improved ditch
New primary pipe system
bypasses existing pipe to
backyards

27. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Lower Tucker
27

28. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Existing Conditions Utilities
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Gas line
Water line
Sanitary sewer line
Storm sewer line
Telephone and electric
The location of existing utilities will
influence the design solutions
• Horizontal location verified. Depths and size of utilities need to be confirmed

29. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Utility Coordination and Relocation
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• Example utility relocation for the Franklin Park and
Chesterbrook Neighborhood Stormwater
Improvement Project
Sanitary Sewer Line and Private LateralsGas Line Relocation Water Line Relocation

30. Franklin Park and Chesterbrook Neighborhood Stormwater Improvement Project
Stormwater Management
Construction – Bioretention and Infiltration Swales
• A total of 3,000 linear feet of stormwater improvements were
made that promote infiltration, improve water quality and safely
convey stormwater through the neighborhood to the local stream.
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Amended SoilGravel Base and Under Drains Final Grass Cover

31. Franklin Park and Chesterbrook Neighborhood Stormwater Improvement Project
Stormwater Management
Construction – Stormwater Chamber & Infiltration System
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• Installation of underground chambers that provide storage and
promote infiltration.
• Grass sod provides an immediate finished look that fits into the
community landscape and simplifies long term maintenance.
Before
Before – Concrete Ditch
After – Grass Swale with Underground
Chambers with Infiltration System

32. Franklin Park and Chesterbrook Neighborhood Stormwater Improvement Project
Stormwater Management
Construction – Infiltration Swales with Check Dams
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• Check dams made with native soil and imbricated
stone slow down water and promote infiltration.
Check DamsImbricated Stone Check Dams

33. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management 33
• Easement Acquisition:
– The process takes anywhere from 6 to 9 months
– Meet with homeowners
– Land rights must be completed before final design and construction
• Preliminary Design: October 2020
• Community Meeting: October/November 2020
• Utility Relocation: Can start after preliminary design approved
• Final Design and Permitting: Spring/Summer 2021
• Advertise for Bid
• Construction (18-24 months)

34. Tucker Avenue Neighborhood Stormwater Improvement Project
Stormwater Management
Additional Information
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Agency Inquiry Phone
Stormwater Planning Division Stormwater Capital Projects 703-324-5500
Maintenance and Stormwater
Management Division
Drainage Complaints 703-877-2800
Land Development Services Proposed and Active Development 703-324-1780
VDOT Road Repair and Stormwater
Maintenance in ROW
1-800-FOR- ROAD
(800-367-7623).
Northern Virginia Soil and Water
Conservation District
Homeowner support with drainage
problems
703-324-1460
https://www.fairfaxcounty.gov/publicworks/stormwater/plans-projects/tucker-avenue-
neighborhood-stormwater-improvement-project
For project updates, visit the project webpage:

35. Additional Information
For additional information, please contact
www.fairfaxcounty.gov/publicworks
Tucker Avenue Neighborhood Stormwater Improvement Project
Sajan Pokharel, Project Manager
Sajan.Pokharel@fairfaxcounty.gov
703-324-5500
Matt Meyers, Branch Chief
Matthew.Meyers@fairfaxcounty.gov
Stormwater Management 35