Sierra Club Magazine Special Report Locke’s Legacy Water Crisis Third Runway 0001

Beware - The Great Wall of SeaTac plans for the Great Wall of SeaTac. They frankly state that the wall is not beingproposed for an appropriate site with appropriate soils. Their report provides compelling evidence of the dangers associated with the proposed wall, saying in part “. . . the resulting deficiencies (in the wall design) could lead to a design of the embankment and walls that could ultimately result in By Bob Sheckler (Airport Communities Coalition Chair and City of Des Moines Mayor Pro Tem) Your editorial “Don’t dither on viaduct” was right on target in saying that the Washington State Department of Transportation should move quickly to replace that aging and dangerous highway structure. You correctly 'a ticking time bomb’ We all saw what happened to the SeaTac Control Tower in the earthquake of last month. Imagine a seismic event of equal or greater magnitude with this massive wall in place, which holds back 22 million cubic yards of fill material . The Port of Seattle is moving forward . , . with its plans to construct an equally dangerous 15-story high, 1450-foot long retaining wall to support the third runway at SeaTac Airport. pointed out that the viaduct sits on fill, which is expected to liquefy in a 7.5 or higher earthquake, an event this region IS certaIn to experIence at some tIme However, I find it ironic that while you admonish WSDOT to quickly address the serious earthquake hazard posed by the Alaska Way Viaduct, the…
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