Thanks to a structural-steel hat truss, the 10-story tower of the 240-ft-tall New United States Courthouse, Los Angeles, appears to balance on its core, hovering over the ground as if it were a sculpture on a pedestal.
California’s first public-private partnership for road construction used a temporary bypass and creative scheduling to speed up replacement of a 70-year-old seismically vulnerable access to San Francisco’s iconic Golden Gate Bridge.
A crane on a trestle lifts an architectural steel assembly, including a 9-ft-tall cast node, into place along the perimeter of the $4.5-billion Transbay Transit Center, which is taking shape in seismically active San Francisco.
Each morning, demolition workers don powered respirators with full hood assemblies, battery packs and air hoses to prevent exposure to the lead paint that covers most of the nearly 80-year-old steel structure of the East Span of the San Francisco-Oakland Bay Bridge.
Tight space constraints along a 4.3-mile light-rail expansion for the Sacramento Regional Transit District, or Sacramento RT, required engineers to modify plans and adopt new rail-damping technology to reduce noise in residential areas.
For the first time in nine years, a commercial construction project tops ENR California's annual ranking of the largest construction starts in the state last year.
Turning an unused pipe chase into an access tunnel for crews so they can walk safely under a busy street from the parking lot to the site epitomizes the type of workarounds that have kept the 70%-complete 500-MW replacement of the 460-MW Unit 3 Scattergood Generating Station on track.
The landmark Herbst Theatre in San Francisco's War Memorial Veterans Building will look much the same when theatergoers return in September—if all goes according to plan.
Using fast-tracked delivery, crews took only 17 months to construct a 340,000-sq-ft casino that includes a 9,000-sq-ft events center and more than a dozen eateries, along with more than 70 acres of site infrastructure improvements.
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