
Holding a rotted piece of wood that used to be part of the downtown seawall, Mayor Mike McGinn warned of a potentially deadly catastrophe on the waterfront if Seattle doesn't quickly pony up the cash to rebuild the barrier between Alaskan Way and Elliott Bay. He wants voters to approve funding for a new seawall this spring. To illustrate the urgency, McGinn cited an earthquake-simulation video released by the state earlier this year that showed "the seawall would collapse, going back to its historical waterline, causing a great deal of damage." He adds that, even without an earthquake, the 3,500-foot stretch of seawall from South Washington Street to Pine Street is deteriorating. "The fill soil is dropping out and presumably going out to sea," he said.
McGinn wants to send a proposal next month to the city council, which would ask voters in a special election on May 18 to approve a 30-year bond measure to cover the funding. The project's total cost is $291 million, with about $50 million coming from county flood district coffers and utility taxes, and the remaining money—$241 million—coming from voters. A $400,000 property in Seattle would pay $48 per year in taxes.
Under current plans, the city wouldn't replace the seawall for six years, but, McGinn says, "We have to move faster than that." He said that with the help of voters, the city could complete it within four years. He says 50 percent of the wall is damaged and there's a one-in-10 chance the it could fail in the next ten years, taking the viaduct with it.
Bond measures require a 60-percent majority of voters to pass. "We are confident, given the public-safety issue, that we will get support from the city of Seattle," McGinn said. However, he added, "If voters don't approve it, we will take stock of where we are."
Replacing the seawall—typically considered part of a greater project to rebuild or reroute the Alaskan Way Viaduct—is Seattle's responsibility, as a per the city council's agreement with the state. McGinn says that rebuilding the seawall is "a stand-alone project," entirely independent of the viaduct replacement.
However, some are concerned that McGinn could be replacing the seawall without considering the waterfront's future. Cary Moon, head of the People's Waterfront Coalition, says that while "the seawall is independent of the viaduct, it is not independent of deciding what we do with 25 acres of land when the viaduct is taken out. The seawall is the most central, most important link in designing a great public space that will reconnect Seattle to the waterfront." Moon—who thinks the city needs to consider the design more carefully with community planners, engineers, and ecologists—also warns that rebuilding an impermeable seawall, like the existing seawall, "is basically the opposite of what we need to to do for Puget Sound's recovery."
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Opening up the seawall like she suggests
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