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This federal contract opportunity solicitation seeks construction services for a project at Mount St. Helens Spirit Lake. The scope of work includes replacing an aging intake gate that controls drainage from Spirit Lake, and reestablishing access roads to improve maintenance of the gate. Specifically, the solicitation involves temporarily constructing an access road and barge loading facility on the lake shore, mechanically dredging from barges or floating platforms, building and working behind a cofferdam, and replacing the inlet gate and slide gate with new hydraulic steel structures and concrete repairs to the headwall. The soliciting agency is the Department of the Army Corps of Engineers Engineering District Portland. The solicitation number is W9127N-22-R-0020.