Construction Week news updates from ENR: Newspaper Claims Caltrans Ignored Bridge Safety Issues The California Dept. of Transportation has ignored several deficiency assessments made by an independent engineering review panel regarding Bay Bridge construction, according to a recent published report. The Sacramento Bee newspaper reported that the panel, which CalTrans appointed, found some "intentional modifications" of data that caused "consequential" impact and involved not only the concrete foundation piles of the new self-anchored suspension tower on the bridge but also foundation safety testing on several other Bay Area bridges. Caltrans Director Malcolm Dougherty said in a statement, "The 'results' cited by
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.