Upload
others
View
5
Download
0
Embed Size (px)
Citation preview
City of Alexandria, Virginia
Oronoco Outfall Remediation Project
Progress Report
March 5, 2018
Alexandria Town Gas Site
2
1930s
Oronoco St. today
Oronoco OutfallAt foot of Oronoco St.
Area Overview
3
Lee St. SquareFormer ATG site
Robinson Terminal
Oronoco Outfall
Voluntary Remediation Program
(VRP)
4
-Boom installed at the Oronoco St. storm sewer outfall.
-Free Product Recovery wells installed
-Oronoco St. Storm Sewer Pipe relined
-BioSparge Groundwater Treatment System installed
-Dredging and Capping project.
Dredge and Capping Project
5
▪ 3000 CY of contaminated sediment
dredged and removed.
Dredge and Capping Project
6
▪ Backfilling of clean sand in progress.
Dredge and Capping Project
7
▪ Reactive cap to be installed around the
Oronoco St. storm sewer outfall.
Storm Sewer Pipe Repair
8
Anticipated to be completed in March, 2018.
Project Schedule
9
Contacts:
Tafesse T. Gyes, P.E.
Department of Project Implementation
City of Alexandria, Virginia
703.746.4051
Lisa Goldberg
Office of Environmental Quality
City of Alexandria, Virginia
Telephone: 703. 746.4076
Questions
10