A 20-year effort to develop a process to eliminate radioactive and chemical wastes stored underground for decades at a former federal nuclear weapons production site reached a milestone last year with key facility testing, with work that had been overseen by the Bechtel project executive.
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.