Photo Courtesy C.A. Rasmussen Inc. Repair crews blast fire-damaged concrete from tunnel sections, which are treated with shotcrete and epoxy. They skip the adjacent section to facilitate curing, then return to repeat the process. Related Links: Tanker Fire Closures on SR-2 and I-5 Tanker Fire Damaged Tunnel Tested Working on a tight, two-month time schedule, contractor C.A. Rasmussen, Valencia, Calif., is completing work on a major Interstate 5 connector tunnel near Los Angeles that was severely damaged last July 13, when a tanker truck carrying 8,500 gallons of fuel overturned and burst into flames."We're working double shifts night and day,
As the Port of Long Beach, Calif., moves forward with its 10-year, $4-billion modernization program, two of its largest components are seeing sharp cost increases. The $1-billion Gerald Desmond Bridge project faces a 15% budget increase, while the price tag on the $1.2-billion Middle Harbor project has now risen by $29.5 million. Related Links: Long Beach's Long-term View Long Beach, Calif., Approves $1-billion Bridge Replacement Project Much of these increases occurred because the port was built on an oil field, with dozens of abandoned wells and other obstructions left behind when drilling ceased decades ago. As a result, prep work
Photo Courtesy of Port of Long Beach Crews use a novel surface casing removal process to remove old oil wells. Related Links: Long Beach's Long-term View Long Beach, Calif., Approves $1-billion Bridge Replacement Project As the Port of Long Beach, Calif., moves forward with its 10-year, $4-billion modernization program, two of its largest components are seeing sharp cost increases. The $1-billion Gerald Desmond Bridge project faces a 15% budget increase, while the price tag on the $1.2-billion Middle Harbor project has now risen by $29.5 million.Much of these increases occurred because the port was built on an oil field, with
Another description-defying building—which resembles a honeycomb with sharp edges—is taking shape in Los Angeles, directly across the street from the mother lode of nontraditional architecture—the Walt Disney Concert Hall.
Tunneling 100 ft below a busy city with varying substructure is a delicate job, especially when the work comes within 8 ft of existing tunnels. Such is the case on San Francisco's new $1.5-billion Central Subway Project, which began major subterranean excavation last month. Photo courtesy SFMTA Mom Chung began tunneling more than 100 ft underneath San Francisco. Related Links: Barnard Impregilo Healy JV Awarded San Franciscos Central Subway Tunneling Project "The tunnels pass through both soft ground and Franciscan formation, which is heterogeneous rock that is not predictable except in its unpredictability," says Sarah Wilson, a San Francisco Municipal
Related Links: People Dig Tunnel Boring Machines That Tweet Barnard Impregilo Healy JV Awarded San Franciscos Central Subway Tunneling Project Tunneling 100 ft below a busy city with varying substructure is a delicate job, especially when the work comes within 8 ft of existing tunnels. Such is the case on San Francisco's new $1.5-billion Central Subway Project, which began major subterranean excavation last month."The tunnels pass through both soft ground and Franciscan formation, which is heterogeneous rock that is not predictable except in its unpredictability," says Sarah Wilson, a San Francisco Municipal Transportation Agency (SFMTA) resident engineer.While underground conditions will
The U.S. Navy's new $455-million Replacement Hospital project in Oceanside, Calif., is not only $100 million under budget and six months ahead of schedule but also one of the first major U.S. design-build projects of its kind to use a unique 100% turnkey equipment procurement process, according to the project team. Related Links: Clark/McCarthy JV Breaks Ground on $394-Million Naval Hospital Clark/McCarthy Joint Venture is performing the design-build contract with full medical planning, including all equipment procurement, coordination, installation and training. "We are not aware of another major health-care facility where the same entity was responsible for design, construction and
Photos by Greg Aragon At the $455-million Replacement Hospital project at Camp Pendleton (above), the design-build team has flexibility to design around complex medical equipment, such as MRI rooms (below). Related Links: Kiewit-Turner JV Wants Out of Colorado VA Hospital Project Clark/McCarthy JV Breaks Ground on $394-Million Naval Hospital The U.S. Navy's new $455-million Replacement Hospital project in Oceanside, Calif., is not only $100 million under budget and six months ahead of schedule but also one of the first major U.S. design-build projects of its kind to use a unique 100% turnkey equipment procurement process, according to the project team.Clark/McCarthy
Related Links: Showcase Soccer Stadium in Brazilian Capital Goes for Stylish Sustainability 49ers Use 'Integrated Bridging Design-Build' To Speed Stadium Construction Before the new $60-million San Jose Earthquakes Stadium can shake with more than 18,000 soccer fans, the construction team must finish removing all the underground World War II tank parts and factory components that were left behind by the site's previous occupants.Once used to build Bradley infantry vehicles in the 1940s, the land for the new stadium came with no as-built blueprints, says Dave Kaval, president of the San Jose Earthquakes. As a result, crews led by Milpitas, Calif.-based
Phase 2 of the Los Angeles Metropolitan Transportation Authority Expo Light Rail project is closing in on its quest to reach the Pacific by 2015. About 45% complete as of late July, the $1.5-billion, 6.6-mile-long line from Culver City to Santa Monica faces obstacles above and below ground. Related Links: Opponents Seek to Stop L.A. Light Rail Project Condo, Transit Projects Dominate California's 2012 Top Project Starts The project continues the Expo Line's $930-million, 8.6-mile-long Phase 1, which opened last year and links downtown Los Angeles with Culver City. Phase 2 broke ground last summer and will extend the line