This New York Times article describes a relatively new "accelerated bridge construction" technique using a self-propelled modular transport to lift a bridge into place. The article focuses on the River Street Bridge in Boston, but the technique is being used increasingly around the country. When done correctly, the bridge is lowered in place "like a
Building Information Modeling (BIM) utilizes computer technology to represent building structures and systems in terms of functional, as well as graphical attributes. This technology may some day change the nature of collaboration between design professionals and contractors on construction projects. This article examines the benefits and challenges of implementing Building Information Modeling. Click here for the full…
Pursuant to three separate bills, the state legislature expanded existing statutory authority to award construction contracts on a design-build basis to apply to more cities and counties as of January 1, 2006. In each case, the duration of the statutory design-build authority was extended to the year 2011, and the dollar threshold was lowered to $2.5 million per project for counties. Following is a short summary of the bills:
· AB 1329 (Wolk): This bill added section 20175 to the Public Contract Code, and authorizes cities in the counties of Solano and Yolo to award construction contracts on a design-build basis. The authority only applies to buildings and directly related improvements, and does not apply to streets, highways, public rail transit, or water resources facilities and infrastructure. The statute has a sunset provision for the year 2011.
On February 13, 2006, the San Francisco Bay Area Rapid Transit District (“BART”) issued an advanced notice of a Request for Qualifications for the design, build, finance, operation and maintenance of a three-mile connector railway between the existing Coliseum BART station to the Oakland International Airport.