California’s first American Recovery and Reinvestment Act infrastructure project broke ground last week while the state confirms that $1 billion of act funding has been obligated to 80 total projects. Slide Show Photo: Sherman Chu, Courtesy of Caltrans Brian Gates, Top Grade’s COO, addresses the audience at the Fairfield I-80 project groundbreaking. Gov. Arnold Schwarzenegger (R) and representatives from Caltrans and Top Grade Construction of Livermore, the general contractor, were on hand April 30 to break ground on the $13.5-million pavement improvement project on a 50-year-old section of Interstate 80 in Fairfield between State Route 12 and Air Base Parkway,
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.