The project provides an innovative approach for integrating economic development, recreational uses and wastewater treatment into an urban environment.
For nearly 80 years, tens of thousands of tons of sediment, ranging from fine sand particles to 20-in.-dia boulders, have passed through the 1,900-ft long tunnel, gradually eroding its 1-in.-thick steel floor liner.
Migrating salmon on the Deschutes River received a boost from the hatchery upgrade, which combined fish-ladder extensions and expanded holding and juvenile-rearing ponds.
The four-month effort to replace the 1920s-era landmark swinging bridge required some innovative construction approaches because the constrained, environmentally sensitive site did not lend itself to conventional ground-based construction techniques or equipment.
The 125,000-sq-ft renovation and seismic upgrade of the Providence St. Vincent Main Tower was done over four years and allowed the nine-story acute care hospital tower to remain occupied throughout the work.
The need to work within a sprawling, disjointed collection of properties helped Northwest Housing Alternatives fully appreciate how to create a community atmosphere at its Milwaukie, Ore., campus.
The $186-million King County Children and Family Justice Center modernized youth and family court services by creating a 137,000-sq-ft courthouse with 10 courtrooms, a 92,000-sq-ft, 112-bed juvenile detention center, a 10,200-sq-ft youth program space and more than 1.5 acres of open areas, including pedestrian and cycling pathways and a public plaza.
Working around the clock, the project team needed just five days to repair a damaged section of an outside support beam on the busy, 80-year-old cantilever and truss bridge.