Engineering Inc. - May/June 2006 - (Page 28)

Grand awards A C E C 2 0 0 6 EnginEE r i n g Ex C E l l E n C E AwA r d s w i n n E r s Minneapolis-St. Paul International Airport Arthur Ravenel Jr., Bridge, Charleston, S.C. Light Rail Transit Tunnels and Lindbergh Parsons Brinckerhoff Quade & Douglas, Inc. Columbia, S.C. s Station, Minneapolis HNTB Corporation Minneapolis The 3.5-mile-long bridge across the Cooper River in Charleston s is the largest cable-stayed bridge in North America. It also is one Constructing two 1.8-mile-long, 21-foot-diameter tunnels under of the first major Design-Build projects in North America and is the Minneapolis-St. Paul International Airport required careful the single largest transportation infrastructure project in South planning to minimize the risk of ground settlement and airport Carolina's history. The new showpiece of the Low Country disruption. The project features the largest machine-bored tun- replaces two outdated truss bridges and meets extreme wind, ship nels in Minnesota, and a 2,520-square-foot station at Lindbergh collision and earthquake safety restrictions. The project features Terminal, the state's largest underground public structure. The a 1,546-foot-long main span, an expansion to eight travel lanes, project team used earth pressure-balanced tunnel boring to mine two 572-foot-high diamond-shaped concrete towers and a scenic the two tunnels pedestrian sidewalk/bikeway. and station area 65 feet beneath the nation's eighth busiest airport. The result is a new primary trans- portation link between down- town Minneapo- lis, the airport and the Mall of America. Iron Mountain Mine Slickrock Creek Reservoir, Redding, Calif. MAX Rapid Transit System, Las Vegas Stanley Consultants Las Vegas CH2M Hill Redding, Calif. s s The 4,000-acre Iron Mountain Mine Superfund site just north- Las Vegas' new Metropolitan Area Express MAX Rapid Transit west of Redding had become the nation's largest discharger of System is one of the first comprehensive bus rapid transit systems acid and metals into surface waters, resulting in massive fish kills of its kind in the United States. Labeled a higher-grade transit in the Sacramento River and imperiling municipal water supplies. solution the MAX includes 10 low-floor, rubber-tire vehicles The project was halted at the onset, after a five-acre landslide that operate similar to light-rail, but with the lower cost and flex- forced additional design changes to stabilize the area. The project ibility of a bus system. Vehicles are equipped with a cutting-edge team designed a new reservoir, which included a 151-foot-high optical guidance feature for automatic steering and a transit sig- embankment dam, a 15-acre sediment basin, clean water diver- nal priority system, resulting in increased ridership and reduced sions, roadways and capping of 400,000 cubic yards of arsenic- travel time. The 7.5-mile MAX route connects area residents with laden decomposed rock. Since becoming operational, the reser- employment service centers, including the Resort Corridor and voir has reduced contaminant discharge by more than 96 percent. Nellis Air Force Base. It also includes 22 passenger stations and five miles of dedicated transit only lanes. 28 ENGINEERING INC. MaY / JUNE 2006

Table of Contents for the Digital Edition of Engineering Inc. - May/June 2006

From ACEC to You
News & Notes
Market Watch
Legislative Action
Firm Footing
Bush Addresses ACEC Members
Engineering Excellence Awards
Minimize Risks from Phase 1 ESA Scope Limitations
Business Insights
Managing Sales Ethics . . . Avoiding a Slippery Slope
Members in the News
One on One

Engineering Inc. - May/June 2006