PHOTO COURTESY OF J.F. White / Stephen SetteDucati The bridge replacement contracting joint venture used quick-setting concrete to speed work on 14 bridges. Related Links: List of Bridges Video of the Fast 14 weekend demolition/construction work Mass. Governor Talks About the Innovative Bridge Replacement Program In just 10 weekends last summer, a joint- venture contractor demolished and replaced 14 bridges on I-93 north of Boston. Using conventional methods, the work could have taken four years.The $98.1-million design-build project—called the "93 Fast 14"—was part of the Massachusetts Dept. of Transportation's Accelerated Bridge Program. The 2010 blowout of two bridge decks, which
AP Global engineers and contractors are moving to restore ties in war-ravaged Libya, but work to restore buildings infrastructure damage, including here in Tripoli, remains a complicated process. As the business of rebuilding Libya gears up after its civil war, global firms are looking to resume work and pick up new projects.Repairing the damaged Tripoli International Airport runway appears to be a top priority. The Libyan National Transition Council and civil administration officials are discussing repairs with Istanbul-based TAV Construction, which has dispatched an expert runway team to the capitol to assess the situation. With the damaged runway, all current flights
Photo Courtesy HNTB/Trey Cambern Crews used a computer-controlled heavy-strand jack system to pick the main span's 405-ft-long, 85-ft-tall, 45-ft-wide prefabricated steel arch into place. Photo Courtesy HNTB/Trey Cambern The new steel arch marks the impending opening of a New York-Vermont crossing that is crucial to communities in both states. Crews are working on the finishing touches on a vital link between New York and Vermont over Lake Champlain. While the originally planned October reopening day has passed, no rescheduled date has been announced.A routine inspection of the Crown Point Bridge in October 2009 found unexpectedly high levels of pier deterioration,
PHOTO COURTESY OF San Diego County Regional Airport Authority eco vision San Diego Airports $1-billion Green Build program had its genesis prior to the recession. Related Links: Main Top 425 Owners Story ENR Top Owners sourcebook: Overview, Rankings and Market Sector Reports The economic and political uncertainty endemic in other sectors of the construction economy has now reached the airport design and construction market, which has enjoyed a relatively robust decade due in part to the momentum of extended project planning and implementation schedules.“We're at the tail end of the pre-recession construction/project implementation cycle,” explains Christopher Oswald, vice president of
PHOTO COURTESY VDOT / Trevor Wrayton Innovative financing Virginia DOT plans to expand use of PPP on projects in the suburbs of D.C. Related Links: ENR's Top Owners List and Top Owners Sourcebook Features After years of steady gains fueled by record funding levels, departments of transportation across the U.S. face lean times ahead. With funds from the 2009 American Recovery and Reinvestment Act largely spent and most states grappling with declines in revenue, the impact of the economic downturn is hitting the transportation sector hard.Highway and bridge construction starts nationwide could drop to $50.2 billion in 2012 from a
What is a bad day for Michael Horodniceanu?Is it getting “blasted” at meetings by business owners complaining over a drop in sales as a result of the $4.45-billion Second Avenue Subway (SAS) in New York City?No, he says. That's routine. “A bad day is when I get an e-mail about the Corbin Building underpinning—that the building had begun to move. A bad day is when I [recently] learned we would have more East Side Access delays. We still don't know how much the delay will be, but that was a bad day.”A common project feature is the frustration of Manhattan
Cracks in 13 cast-in-place pier caps supporting three bridges on the new Intercounty Connector toll highway in Maryland may be the result of a design flaw, according to the Maryland State Highway Administration.More than 40 cracks—ranging in width from 0.005 to 0.035 in. and in length from 7 in. to 3 ft, 8 in.—were discovered during a routine MSHA close-out and acceptance inspection of the ICC's $2.56-billion, 7.2-mile first phase.The project's first-phase contractor is Intercounty Constructors, a joint venture of Granite Construction Co., Watsonville, Calif.; Corman Construction Inc., Annapolis Junction, Md.; and G.A. & F.C. Wagman Inc., York, Pa.Parsons Transportation
Photo courtesy Indiana Dept. of Transportation Cracks discovered during a routine September inspection of the double-deck structure, which spans the Ohio River between Kentucky and Indiana, forced an immediate shutdown and set of a $13.9-million repair job. Repairs to cracks on the Interstate 64 Sherman Minton Bridge, a double-deck structure spanning the Ohio River between Kentucky and Indiana, will cost 30% less than initially estimated and require only four-and-a-half months to execute rather than the six months anticipated by the Indiana Dept. of Transportation, INDOT officials say. The contract, awarded Oct. 18 to Louisville-based Hall Contracting of Kentucky, indicates repairs to
Photo courtesy of SHA Inspectors found 40 to 50 cracks in 13 concrete pier caps. Related Links: Toll Road Treads Lightly Officials Begin To Ask Themselves Just How Green Could My Highway Be? After Five Decades, Maryland Connector May Move Forward Concrete pier caps supporting three bridges on the new Intercounty Connector (ICC) in Maryland may have to be rebuilt following the discovery of cracks by Maryland State Highway Administration (MSHA) inspectors.According to a project spokesman, 40 to 50 cracks ranging from .005 to .035 in wide, and 7 in to 3 ft 8 in long, were found in 13
PHOTO COURTESY OF Indiana Dept. of Transportation Discovery of a long-term crack in an Ohio River crossing prompted a federal advisory to inspect similar bridges using a certain type of steel that was common decades ago. The Federal Highway Administration is advising state transportation departments that oversee fracture-critical bridges constructed of T1 steel to inspect butt welds, just in case they have cracks similar to those recently discovered on the Interstate 64 Sherman Minton Bridge between Kentucky and Indiana. On Sept. 9, the Indiana Dept. of Transportation closed the 49-year-old bridge—a double-deck structure spanning the Ohio River with two 800-ft