This project improved drainage and reduced flood potential in a Fairfax County community. It installed a headwall, yard inlet, and pedestrian bridge with handrails to increase water flow into the storm sewer system. The project cleared land, excavated, installed structures, widened a swale, added landscaping and restored the site with native plants. It was completed in May 2014 by a project team from the county's Maintenance and Stormwater Management and Utilities Design and Construction divisions.
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Great Passage Storm Sewer Improvement Project
1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Great Passage Storm Sewer Improvement Project
Contract Number 14125105
Project Number SD-000032-054
Task Order No. 29
Dranesville District
March 26, 2014
2. Great Passage Storm Sewer Improvement Project
Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
3. Project Details
Great Passage Storm Sewer Improvement Project
Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
The Great Passage Storm Sewer Improvement project was substantially completed in May 6, 2014.
This project was to provide drainage improvements and mitigate the flood potential in this community.
It included installing a headwall structure, yard inlet, and a pedestrian bridge with handrails. Increasing
overland relief was achieved by widening the swale, adding the pedestrian bridge and regrading the
upstream area. The trash rack installed on the headwall structure will ensure that the maximum
amount of flow will enter into the storm sewer system while keeping debris from entering the pipe
system. The site was restored with native seeding and a landscaping scheme.
Project Overview:
• Cleared and grubbed for access to install the proposed structures
• Excavated and installed storm structures (headwall, yard inlet and footbridge structure)
• Excavated and graded the swale and adjacent areas to provide positive drainage
• Installed handrails on both sides of the footbridge
• Restored the adjacent driveway and road which provided construction access
• Restored the site with native seeding, mulch, and trees
Project Team:
• Maintenance and Stormwater Management Division – Bill Schell
• Maintenance and Stormwater Management Division - Qais Bashir
• Utilities Design and Construction Division - Yousef Rayyan
• Utilities Design and Construction Division- Keith Ferrell
• Land Survey Branch - Gregory Harper
4. Great Passage Storm Sewer Improvement Project
Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Dranesville, VA, Tax Map #012-1
PROJECT
SITE
5. Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Great Passage Storm Sewer Improvement Project
Pre-construction conditions of the site
6. Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Great Passage Storm Sewer Improvement Project
Pre-construction conditions of the site
7. Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Great Passage Storm Sewer Improvement Project
Installation of the headwall
Highway Grade Trash Rack
Headwall connecting to new 36” pipe
8. Great Passage Storm Sewer Improvement Project
Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Installation of yard inlet
New Yard Inlet replacing the
36” End Section
Existing 24” Pipe
9. Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Great Passage Storm Sewer Improvement Project
Installation of the yard inlet
Before After
10. Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch
Great Passage Storm Sewer Improvement Project
Installation of the footbridge and widening of swale
Before After
11. Additional Information
For additional Information, please call
www.fairfaxcounty.gov/dpwes
Ben Boxer, Public Information Officer
703-324-5880, TTY 711
Ben. Ben Boxer, Public Information Officer
703-324-5880, TTY 711
Ben. Ben Boxer, Public Information Officer
703-324-5880, TTY 711
Ben.Boxer@fairfaxcounty.gov
Irene Haske, Public Information Officer
703-324-5821, TTY 711
SWPDmail@fairfaxcounty.gov
Capital Facilities/Utilities Design and Construction Division/Transportation Stormwater Construction Branch