When it was time for DPR Construction to establish its San Francisco office, it quickly decided on a goal—create the city's first net-zero energy use commercial building that would stand both as a workplace and a sustainability showcase.
Built in 1797, the Carmel Mission National Historic Landmark draws thousands of visitors annually, making it essential that the basilica remain open during the preservation period.
The largest solar power generating project of its kind in the world, Ivanpah uses emerging technology to produce electricity through 173,500 heliostats connected to a dual-axis tracking system, allowing the mirrors to move on a pylon 360° for optimal reflection.
On the surface, the $230-million Silver Lake Reservoir Replacement Project in Burbank—which resembles a big concrete warehouse—looks like a simple project.
The construction industry revved up significantly in 2013, with the respondents to ENR California's annual survey of contractors reporting a 16.4% gain in revenue over the previous year.
Twin earth-pressure-balance tunnel-boring machines Mom Chung and Big Alma emerged into a water-filled retrieval pit in the heart of San Francisco in June, having raised the bar for cutting through variable soils without affecting existing infrastructure.