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City of Seattle
Mike McGinn (former Mayor)

SUBJECT: Elliott Bay Seawall replacement moves forward

11/13/2012  4:00:00 AM

Elliott Bay Seawall replacement moves forward
City of Seattle selects Mortenson/Manson as the project's general contractor/construction manager

SEATTLE - With 77 percent of Seattle voters supporting Proposition 1 on Election Night, the Seattle Department of Transportation (SDOT) has selected the joint venture Mortenson/Manson as the General Contractor/Construction Manager (GC/CM) for the Elliott Bay Seawall Project. The firm will be responsible for the construction, subcontracting, coordination and management of the seawall's construction process, and will be a member of a team that includes City project staff, the design team and other project consultants.

"I thank Seattle voters for their emphatic support for this critical public safety infrastructure project," said Mayor Mike McGinn. "Securing this funding is an important milestone. I am looking forward to continuing to work with our project partners as we move ahead on replacing our deteriorating seawall."

The Elliott Bay Seawall Project will replace the aging seawall from South Washington Street to Virginia Street with a structure that meets current design and safety standards. It will be the physical foundation for Seattle's future waterfront, supporting and protecting SR 99, the BNSF railway and the future waterfront in design through the Waterfront Seattle Program, as well as major utilities such as sewer, water and power for the west coast. The seawall project is currently in design and a draft Environmental Impact Statement compliant with the Washington State Environmental Policy Act will be released on November 13, 2012.

SDOT sought a construction partner to join its project team early in the design to collaboratively develop solutions for the project's construction. The department expects to issue a notice to proceed for preconstruction services by the end of November. In a link to Seattle's waterfront history, Manson Construction Company was one of the original contractors on the Alaskan Way Seawall in the 1930s.

The City plans to initiate central seawall construction in fall 2013 and the new seawall is expected to be completed by early 2016, coinciding with the demolition of the Alaskan Way Viaduct. The total project cost for replacing the central seawall is expected to be $300 million.

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Office of the Mayor

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