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Project Title & Location
SR 704 - Cross-Base Highway, Project 1 - Spanaway Loop Road to SR 7
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Project Description
When completed this project will provide a direct east-west highway connecting I-5 and SR 7. The Cross-Base Highway will be a new six mile, four lane limited access highway with four signalized intersections and two new interchanges.
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Contractor/Consultant
HDR, Inc. has been selected to prepare the Plans, Specifications, and Estimate for Project 1. (Spanaway Loop Road to SR 7)
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Recent Progress
The permit process for Project 1 is ongoing. Right of Way acquisition for Project 1 is underway. SEPA adoption Notice posted May 1, 2007. The Project 1 Hydraulics Report was revised and submitted for approval in August, 2007. The constructability review for the I-5 / SR 704 Single Point Urban Interchange (SPUI) was completed by DEA Inc. in July 2007. The 90% plans, estimate, and specifications for Project 1 have been submitted by HDR, Inc. for review.
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Design Construction Impacts
Project 1 (Spanaway Loop Road to SR 7) is the first phase of the Cross-Base Highway and it will construct four additional lanes from Spanaway Loop Road to SR 7. This project will include new stormwater treatment facilities, sidewalk, bus stops, noise barrier, dedicated right turn lanes onto southbound SR7, and a new traffic signal. The construction of Project 1 will be in line with the entire SR704 Cross-Base Highway and will minimize the amount of rework when the remainder of the corridor is constructed. Project 1 will begin construction in the spring of 2008 and will be completed by December 2008.
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Environmental Impacts / Compliance
During the EIS phase, the selected alternative was chosen because it avoids many sensitive areas. In locations where impacts are unavoidable, design will minimize impacts to the environment by use of retaining walls, bridges and steeper side slopes. Project 1 has minimal impacts to the environment and the proper mitigation measures are being implemented as part of the construction.
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Impacts to Traffic
Project designs will incorporate sound traffic management practices to minimize impacts to motorists. Most of the construction work will be completed during the day and will cause minimal distruptions to traffic. Most work will be done out of the roadway and flaggers will be used as necessary.
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Milestones |
Scheduled |
Attained |
Milestone Outlook |
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Begin Preliminary Engineering
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September 11, 2003
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September 11, 2003
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Project 1 90% plans have been submitted for review.
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Environmental Documentation Complete
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August 2, 2004
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August 2, 2004
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Record of Decision was issued by the Federal Highways Administration.
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Right of Way Certification
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June 16, 2007
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Right of way plans have been approved and signed.
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Project #1 Advertisement
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June 16, 2008
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Current design effort for Project 1 is ahead of schedule. Expected advertisement date for Project 1 is January 2008.
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Estimate Open to Traffic (Project #1)
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December 31, 2009
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Project #1 construction is expected to be completed in December 2008.
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