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A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Green Hollow Cour...
Green Hollow Court Outfall Restoration
Maintenance and Stormwater Management Division 22
Project Details
Green Hollow Court Outfall Restoration
Maintenance and Stormwater Management Division
Description:
The Gre...
Maintenance and Stormwater Management Division
Project Location: Tax Map 079-3, Springfield District
Green Hollow Court Ou...
Green Hollow Court Outfall Restoration
Maintenance and Stormwater Management Division
Construction Photos
5
Maintenance and Stormwater Management Division
Post Construction Restoration
Green Hollow Court Outfall Restoration
6
Before After
Green Hollow Court Outfall Restoration
Maintenance and Stormwater Management Division 7
Additional Information
For additional Information, please call
www.fairfaxcounty.gov/dpwes
Green Hollow Court Outfall Rest...
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Green Hollow Court Outfall Restoration

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Green Hollow Court Outfall Restoration

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Green Hollow Court Outfall Restoration

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Green Hollow Court Outfall Restoration Project Number SD-000031-043 Springfield District December 18, 2015
  2. 2. Green Hollow Court Outfall Restoration Maintenance and Stormwater Management Division 22
  3. 3. Project Details Green Hollow Court Outfall Restoration Maintenance and Stormwater Management Division Description: The Green Hollow Court Outfall Restoration project was substantially completed on October 1, 2015. The project consisted of the construction of a rock cascade and step pool system, 100 linear feet in length, to stabilize a highly eroded outfall and to improve water quality. The project addressed some serious safety concerns, stabilized a severely eroded outfall, and will improve water quality. Project Overview: • Constructed 100 linear feet of rock cascade using large, imbricated stone • Tied a cross vane step pool into the downstream rock cascade using imbricated stone • Stabilized channel banks using coir matting • Revegetated disturbed area with native plants, trees and shrubs to promote reforestation • Reduced Total Nitrogen by 3.9 lbs per year, Total Phosphorus by 1.7 lbs per year, and Total Suspended Solids by 3,322 lbs per year Project Team: • Design Engineer: Catie Torgersen, Maintenance and Stormwater Management Division • Project Manager: Jack Meritt, Maintenance and Stormwater Management Division • Maintenance & Operations Supervisor: Jonathan Murray, Maintenance and Stormwater Management Division • Maintenance & Operations Project Manager: Sean Geyer, Maintenance and Stormwater Management Division 33
  4. 4. Maintenance and Stormwater Management Division Project Location: Tax Map 079-3, Springfield District Green Hollow Court Outfall Restoration Project Site 4
  5. 5. Green Hollow Court Outfall Restoration Maintenance and Stormwater Management Division Construction Photos 5
  6. 6. Maintenance and Stormwater Management Division Post Construction Restoration Green Hollow Court Outfall Restoration 6
  7. 7. Before After Green Hollow Court Outfall Restoration Maintenance and Stormwater Management Division 7
  8. 8. Additional Information For additional Information, please call www.fairfaxcounty.gov/dpwes Green Hollow Court Outfall Restoration Maintenance and Stormwater Management Division Irene Haske, Public Information Officer 703-324-5821, TTY 711 SWPDmail@fairfaxcounty.gov 8

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