This document provides details about a channel restoration project located at 9499 Beach Mill Road in Great Falls, VA. The project aims to address an incised and eroded channel by raising the channel's bottom elevation with select fill and installing cross vane structures, cascading step-pool structures, and a stone-lined energy dissipation basin. The project will stabilize the channel and prevent future flooding and safety hazards from very steep banks. Environmental Quality Resources, LLC is the contractor for the project which is managed by DPWES staff including Project Manager Ratna Pottumuthu and Construction Manager Yudhie Brownson.

1. 9499 Beach Mill Road
Channel Restoration Project
Dranesville District
Project No. SD-000031-077

2. Project Details
Description and Overview:
The project is located at 9499 Beach Mill Road in Great Falls, VA. The project’s main goal is to address an incised and
severely eroded channel. Furthermore, the improvements will bring the channel to a stable condition, prevent future flooding, and
eliminate very steep channel banks (a potential safety hazard) for the property.
Project Scope of Work:
• Removal and disposal of existing filter sacks (geo-tubes).
• Import and placement of select fill and reinforced bedding material to raise the elevation of channel’s bottom.
• Installation of various cross vanes structure, a series of cascading steep-pools structures, and a stone lined energy
dissipation basin by utilizing large imbricated rocks.
• Vegetative planting was also incorporated throughout the project limits
DPWES Project Team:
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Project Manager – Ratna Pottumuthu
Construction Manager – Yudhie Brownson
Project Inspectors – Keith Ferrell
Survey Analyst, DPWES - Gregory Harper
Project Contractor – Environmental Quality Resources, LLC.

3. 9499 Beach Mill Road – Tax Map No. 008-1
Site Limits
9499 Beach Mill Road

4. Pre-existing Condition
Very steep, eroded slope with failing filter socks

5. Pre-existing Condition
Highly eroded and incised channel,
creating a potential safety hazard

6. Raising the elevation of the existing channel
bottom
Imported and compacted
Select Fill

7. Newly installed modified cross vane structures

8. Series of cascading step-pools structure

9. Newly improved dissipation basin, cascading steppools, rock walls, and stabilized channel slopes

10. For additional Information, please call
Irene Haske, Public Information Officer
703-324-5821, TTY 711
SWPDmail@fairfaxcounty.gov
www.fairfaxcounty.gov/dpwes