Oakland Terrace-Timber Branch Channel Wall Reconstruction

The City is replacing approximately 205 linear feet of an existing concrete retaining wall with a vegetative reinforced revetment and bioengineered soil.
Page updated on Oct 10, 2024 at 9:20 AM
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Project Summary

Phase: Construction

Status: Active

Location: North Ridge/Rosemont

Managing Dept.: Project Implementation

Sponsor Dept.: Transportation & Environmental Services

Map showing location of Oakland Terrace-Timber Branch Channel Wall Reconstruction Project
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Project Description

The City of Alexandria is replacing approximately 205 linear feet of existing concrete retaining wall with a vegetative reinforced revetment and bioengineered soil. Additional stream stabilization measures will include clearing out invasive species and planting native vegetation on the stream bank in opposition of the proposed vegetated wall.

Photo of the Oakland Terrance-Timber Branch Project location existing conditions
Image of existing stream and retaining wall conditions at the Oakland Terrance-Timber Branch Project site.
Image of existing stream and retaining wall conditions at the Oakland Terrance-Timber Branch Project site.
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Photo of the Oakland Terrance-Timber Branch Project location existing conditions
Image of existing stream and retaining wall conditions at the Oakland Terrance-Timber Branch Project site.
Image of existing stream and retaining wall conditions at the Oakland Terrance-Timber Branch Project site.

Funding

Project Budget: $310,000

This project is funded by Capital Improvement Program (CIP) stormwater management funds. 

Learn more about the City of Alexandria's Fiscal Year Budget.

CIP Section: Stormwater Management

Schedule

  • Planning: February 2020 - August 2020
  • Design: September 2020 -  October 2022
  • Construction: January 2023 - May 2027

Construction

Construction Update

The contractor installed sandbags and a pump serving the upstream and downstream side of the work area. A noise variance permit was obtained for the pump operation. Work on the Envirolok wall has also started. The contractor has started delivering Envirolok units and completed the survey stake out for the Envirolok wall.

 

Community Engagement

The City of Alexandria held a pre-construction open house for the Oakland Terrace-Timber Branch Channel Wall Reconstruction project on Thursday, June 27 at the project site. Staff provided information on and answered questions about the upcoming replacement of a retaining wall along Timber Branch between Oakland Terrace and West Timber Branch Parkway.

Construction Hours

General Construction Activity:

  • Monday – Friday: 7 a.m. – 6 p.m.
  • Saturday: 9 a.m. – 6 p.m. 

Construction Impacts

Parking

  • Curbside parking adjacent to the project will be temporarily suspended to provide site access. 

 

Street Closures

  • Periodic lane closures on West Timber Branch Parkway and Oakland Terrace during construction hours.