Crossing the Mississippi The Minnesota Department of Transportation is nearing completion of one of the highest visibility bridge projects in our nation's history—the new I-35W St. Anthony Falls Bridge.
BEYOND WORDS | Daniel E. Johnson, S. Wayne Rosenbaum, Ralph Vasquez San Diego grapples with stormwater legislation Gone are the days when clean water always existed and rain was merely considered a savior for drought-ridden terrain. Subsequently, municipalities throughout the country have been forced to take notice. There is no denying that stormwater runoff is now an issue that affects not only real estate developers, builders, and businesses, but also millions of citizens. PERSPECTIVE | Alfred R. Pagan, P.E. Lessons from tragedies Several problems may have led to collapse last August of the I-35W bridge across the Mississippi River in downtown Minneapolis. However, based on public information appearing in a recent newspaper study and available at press time, it seems to me that overloading the bridge on the southbound (closed) lanes was the main cause of the bridge failure. Q&A | David M. Wahby Obstinate partner What can a firm do if not all of the partners are willing to sign for a line of credit? David Wahby offers some options. More CENews.com columns
AEC Technology Strategies 2008 Conference The AEC Technology Strategies 2008 Conference brought together more than 160 forward-thinking information technology leaders in architecture, engineering, and construction to share strategies, learn about the latest tools and techniques at work in innovative AEC firms today, and connect with other technology professionals for some fun in the sun. Expanding wastewater infrastructure More than 20 million people visit Utah's resorts during ski season to enjoy what the state displays on some of its license plates—"Greatest Snow On Earth." But not only tourism is on the rise, so also is the local population. And, the state's recent significant growth is expected to continue well into the future. Consequently, local municipalities are taking a closer look at their current infrastructures. Remediation options Mobile multi-phase extraction (MMPE) technology, in conjunction with enhanced natural attenuation, has proven a highly effective means of free phase petroleum product, contaminated groundwater, and volatile soil vapor remediation when site restrictions prevent large scale excavations and loud, high-maintenance, in-ground systems. While standard remediation techniques typically require extensive site excavation, the MMPE/enhanced attenuation method offers the benefits of mobility and less invasiveness for tenants and patrons of commercial sites. Planning, design, and construction feedbackWeb Exclusive By 2012, the Oregon Department of Transportation's (ODOT) $1.3 billion OTIA III State Bridge Delivery Program will have repaired or replaced 365 of the state's bridges. One of the keys to the success of the bridge program is an unprecedented amount of public involvement at the community level. At every phase of bridge repair or replacement—planning, design, and construction—ODOT is proactively engaging Oregonians, asking them to weigh in on topics ranging from how a bridge will look to how traffic restrictions should be structured. A bridge to a glorious pastWeb Exclusive The Erie Canal transformed Buffalo, N.Y., from a frontier village into a thriving port city. Along Buffalo's Commercial Slip, a port culture emerged with wharves, grain elevators, warehouses, shops, residences, and hotels. After railroads took over the transportation of goods in the late 19th century, the Commercial Slip was paved over to accommodate traffic. But, in an effort to recreate the historic character of the site, the Commercial Slip has been restored, including recreation of a 19th century truss bridge using modern design and materials. How to choose better stormwater BMPs Which best management practices (BMPs) are most effective? How does one BMP compare to another in controlling specific pollutants? Today, the science of stormwater management has advanced to the point where it can at least begin to answer some of these questions and, ultimately, help us choose better BMPs. More CENews.com feature articles
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