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MOUNT ST. HELENS SPIRIT LAKE TUNNEL INTAKE
Solicitation number
W9127N-22-R-0020
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This federal contract opportunity solicitation seeks to replace the intake gate at Spirit Lake and construct a temporary access road. The solicitation was issued by the Department of the Army Corps of Engineers Engineering District Portland under number W9127N-22-R-0020. The multifaceted project focuses on addressing Spirit Lake's drainage issues by re-establishing an access road from Windy Ridge to the south shore of the lake to facilitate replacing the aging intake gate. The proposed work includes constructing a temporary access road, a lake-side barge loading facility with an earthen ramp and staging area, mechanical dredging from barges or floating work platforms, building and working behind a cofferdam, and replacing the inlet gate with a new slide gate and associated hydraulic steel structures as well as concrete repairs to the headwall.

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