Photo Courtesy of the Chicago Dept. of Aviation O'Hare Airport, Spring 2004. To build major new runways at O'Hare, contractors had to move a cemetery, a railroad, cargo facilities and a huge retention pond. Photo Courtesy of the Chicago Dept. of Aviation O'Hare Airport, June 2013. Related Links: O'Hare Operations Literally Buzz With Activity Airports Push the Green Envelope Reconfiguring an airport the size of O'Hare, including building four new runways—without disrupting the 68 million passengers that use it annually—involves challenging staging and logistics. The construction team had to relocate a railroad, a cemetery, cargo facilities and a stormwater retention
Photo By Nicholas Zeman for ENR 'Mobile lidar' is helping speed initial work on Louisville bridges. Related Links: $2.6-Billion Ohio River Spans Set For Award In December P3, Design-Build Planned For Ohio River Bridges Virtual-reality tools and ramped-up deadline goals are propelling the $2.6-billion Ohio River Bridges project out of the starting gate. Workers are driving piles now to reconstruct the ramps for the John F. Kennedy Memorial Bridge and the interchanges at which Interstate 65, I-64 and I-71 intersect in Louisville, Ky.The interchange work is a $425-million portion of the project, which will entail building a second bridge that
Related Links: Saudi Arabia Upgrading Rail Passenger and Freight Service Demand In Middle East And Asia Drive Market For Building Projects Saudi Arabia is launching one of the world's biggest mass-transit construction programs. On July 29, the Riyadh Development Authority selected three international design-build teams for contracts totaling more than $20 billion for six lines on the new subway system in Riyadh. The development authority plans to compete negotiations regarding the contracts in the next few months.Extending more than 170 kilometers and including 87 stations, the government-funded program will entail some 600,000 tonnes of steel and over four million cubic
Image Courtesy of Metrolink Installation of positive train control technology on Metrolink trains will help prevent collisions and over-speed accidents. Related Links: American Companies Adopt Swiss Hardware for Railroad Surveying FRA Issues High-Speed Rail Guidelines Aimed at preventing rail disasters like the one that killed 79 people in Spain last month, Los Angeles commuter-rail operator Metrolink is installing a sophisticated control system along its 512 miles of track.The $210.9-million project involves a network of software, signal network updates and communications towers—known as positive train control (PTC)—that will interoperate with similar systems overlayed onto freight-railroad networks operated by United Pacific, Burlington
Photo courtesy of WSDOT Graphic courtesy of WSDOT Related Links: Fast Track Replacement Planned For Collapsed Skagit River Bridge US DOT Provides $156 Million More For Skagit River Bridge Repairs The new permanent below-deck girder bridge span to replace the 160-ft-long section that toppled into the Skagit River in May won’t have any vertical height clearance concerns. And soon the remainder of the 1,112-ft new Skagit River Bridge will have a more worry-free uniform vertical clearance to help reduce potential collisions.Washington State Dept. of Transportation officials announced this week a plan to eliminate the curves in the bridge’s current support
Related Links: Indian Prime Minister Dr. Manmohan Singh describes rail link project as the dream of the nation As part of a national project to link the harsh, mountainous Himalayan terrain of the northern Jammu region with the Kashmir Valley by a 293-kilometer-long, broad-gauge railway line—the J&K Rail Link Project—government-owned Indian Railway Construction Co. Ltd has released an invitation for bids for two packages with a combined expected cost of about $140 million.The packages, called T49A and T49B, are for the construction of tunnels, embankments and bridges for a 14.8-km-long link to be completed in 48 months. The last date
Photo courtesy of Toronto Transit Commission Seven months after almost simultaneously completing one tunneling segment, twin TBMs break through headwalls within a day of each other in mid-June. Related Links: Spanish Firms Will Help Build Toronto Subway Extension Toronto Subway Wins Some Funds Yorkie beat Torkie, but only by a day. After 945 meters of digging southward, the first 6.4-m-dia tunnel-boring machine broke through the headwall of the extraction shaft at what will be Black Creek Pioneer Village Station on June 13. The next day, its twin TBM, nicknamed Torkie, followed. The earth-pressure-balance TBMs did not match the unusual feat
Photo: Lloyd Mulvey Related Links: P3s Will Mark Future Work In Tristate Area Innovative project delivery and methods are set to ramp up in New York and New Jersey, along with billions of dollars in reconstruction of road and rail assets over the next five to ten years. Officials with major transportation agencies said they are striving to streamline contract delivery processes and improve outreach to minority- and women- owned firms as they launch massive capital programs over the next 5 to 10 years.The Port Authority of New York and New Jersey is launching an aggressive 10-year capital improvement program
With just a few quick blasts and a puff of smoke, Advanced Explosives Demolition workers imploded the 700-ft-long main span of the Milton-Madison Bridge on July 23 to make way for a new crossing over the Ohio River.
Related Links: Industry Firms Envision New Group as 'Voice' for P3s in the U.S. Interstate 595 Widening Marks Florida's First P3 Effort Indiana DOT Seeks P3 for I-69 Project Nevada recently approved using a public-private partnership for a massive, costly upgrade to a heavily traveled section of Interstate 15 in downtown Las Vegas. Called Project Neon, the plan is meant to improve a 3.7-mile stretch of I-15 between Sahara Avenue and the U.S. 95/I-15 "Spaghetti Bowl" interchange, which sees 250,000 cars daily. Traffic through the corridor is expected to double by 2030.“We received an unsolicited bid a year and a