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Giant 10-year O&M contract combines functions of two awards originally planned—one to manage millions of gallons of radioactive waste stored underground at the former weapons site and the other to operate its multi-billion-dollar waste treatment plant awaiting startup.
The project team worked with the city of Spokane to establish a next level of treatment filtration system by adding a tertiary membrane treatment to remove phosphorus.
The design for the Anacortes water treatment plant resiliency project called for a 42-in.-dia welded steel pipeline to be extended underneath the Skagit River.
To better serve a rapidly expanding community, the North Mason Regional Fire Authority built a new headquarters fire station on 3.5 acres of land adjacent to the former structure on Old Belfair Highway.
Boundary Dam is located in remote northeastern Washington and is one of the largest underground power generation dams in the nation, providing nearly half of the power generated by Seattle City Light (SCL).