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Project Title & Location
I-5 - Roanoke Vicinity Noise Walls (Stage 1 and 2)
I-5 - Boston to Shelby Noise Walls (Stage 3)
Seattle
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Project Description
The project will build noise walls to reduce existing freeway-generated noise along I-5 in the Roanoke vicinity. The project is funded to complete design and construction.
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Contractor/Consultant
Stage 2 – Wilder Construction; Stage 3 – Perteet Engineering, Inc. and EnviroIssues
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Recent Progress
Stage 1 and 2 Construction:
Completed installation of noisewalls
Stage 3 Preliminary Engineering:
Preliminary Engineering work is 90% complete.
A community information session was held in August to share information about the wall locations, designs and landscaping options. WSDOT is working with SDOT to maintain pedestrian access on the sidewalk adjacent to the noise wall location. All information presented at the information session is available on the Website. Design and plan preparation efforts are continuing.
The Stage 3 noise wall project is scheduled to be advertised for construction bids in the spring of 2008.
For a full description of the project, please visit the project web page: http://www.wsdot.wa.gov/Projects/I5/roanokeNoiseWall/
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Design Construction Impacts
Stage 1 and 2:
Construction is complete.
Stage 3:
Construction work is expected to begin in late spring of 2008. Lane restrictions and some modifications to local street traffic can be expected throughout the construction period. Details of these impacts will be finalized as plan preparation is completed.
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Environmental Impacts / Compliance
Stage 1 and 2:
Construction complete.
Stage 3:
Environmental documentation has been cleared. Noise Variance and Street Use permit requests have been submitted to the City of Seattle.
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Impacts to Traffic
There will be street and lane closures on location streets during construction. Metro service may be impacted temporarily. Street parking will be temporally prohibited to accommodate construction and movement of traffic.
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Milestones |
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Attained |
Milestone Outlook |
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Finish Construction Stage 2
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June 2006
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Spring 2006
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Stage 2 Noise Wall construction is complete.Landscaping was completed in Spring 2007.
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Start Stage 3 Design Engineering
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January 2006
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January 2006
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Engineering on the Stage 3 project began in January 2006 and will be completed by April 2008.
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Start Stage 3 Construction
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Spring 2008
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Construction on the Stage 3 project is now scheduled to begin in the Spring of 2008.
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Finish Stage 3 Construction
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Late Spring 2009
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Major construction of the noise walls on the Stage 3 project is now scheduled to be completed in the late spring of 2009. Landscape maintanance will continue for another two years.
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