babson court outfall restoration

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A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Babson Court Outfall Restoration Project Number: SD-000031-043 Braddock District 12/13/17

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Page 1: Babson Court Outfall Restoration

A Fairfax County, VA, publication

Department of Public Works and Environmental ServicesWorking for You!

Babson Court Outfall Restoration

Project Number: SD-000031-043

Braddock District

12/13/17

Page 2: Babson Court Outfall Restoration

Stormwater/Maintenance and Stormwater Management Division

Completed Project

Upstream

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Downstream

Babson Court Outfall Restoration

Page 3: Babson Court Outfall Restoration

Babson Court Outfall Restoration

Stormwater/Maintenance and Stormwater Management Division

Project Details

Description:The Babson Court Outfall Restoration Project was substantially completed on July 28, 2017. The project consisted of restoring a 324 linear foot outfall channel which also included a 66 linear foot tributary. 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. Additionally, MSMD staff incorporated in the scope of work, the removal of 250 cubic yards of sediment from a County maintained dry pond. The pond was restored with native vegetation and coir matting.

Project Overview: • Restore the outfall channel with imbricated stone step pools, rock steps, and reinforced bed mix riffle sections• Stabilize channel banks using coir matting and native shrubbery• Re-vegetate with native plants, trees, and shrubs to promote reforestation in disturbed areas• Provide reduction of 68.5 lbs of Total Nitrogen per year, 31.9 lbs of Total Phosphorus per year, and 10,952 lbs

of Total Suspended Solids per year

Project Team:• Project Manager: Jack Meritt, P.E. Stormwater/Maintenance and Stormwater Management Division• Project Manager: Thornton Glenn, Stormwater/Maintenance and Stormwater Management Division• Site Inspector: Tom Cameron, Stormwater/Maintenance and Stormwater Management Division• Project Design: Wetland Studies and Solutions, Inc.• Contractor: Utilities Unlimited, LLC• Re-Vegetation Contractor: GroundFX

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Stormwater/Maintenance and Stormwater Management Division

Babson Court Outfall Restoration

Project Location: Tax Map 069-3, Braddock District

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Babson Court Outfall Restoration

Stormwater/Maintenance and Stormwater Management Division

Preconstruction Condition

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Stormwater/Maintenance and Stormwater Management Division

Babson Court Outfall Restoration

Construction Photos

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Stormwater/Maintenance and Stormwater Management Division

Babson Court Outfall Restoration

Construction Photos

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Stormwater/Maintenance and Stormwater Management Division

Babson Court Outfall Restoration

Construction Photos

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Stormwater/Maintenance and Stormwater Management Division

Before and After

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Babson Court Outfall Restoration

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Additional Information

For additional information, please contact

www.fairfaxcounty.gov/dpwes

Babson Court Outfall Restoration

Stormwater/Maintenance and Stormwater Management Division 10

Irene Haske, Public Information Officer

703-324-5821, TTY 711

[email protected]