ASCE Seattle Section Ports and Harbors Committee Monthly Dinner
Twelve years after the Lower Duwamish Waterway was listed as a Superfund site, EPA has finally released its proposed plan for the sediment cleanup. The plan presents an intricate patchwork of proposed remedial actions, including dredging, capping, and enhanced natural recovery, overlaid on an extensive modeling grid of sediment dynamics. The cost to implement EPA's preferred alternative is estimated at $305M, adding yet another series of construction projects to the major infrastructure projects… Show more
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629 Pike St.
Seattle, WA 98101