Kiewit Infrastructure Group beat the clock for a second time, as it demolished and replaced an Interstate 40 bridge in Nashville in less than 58 hours, using accelerated bridge construction to minimize traffic impact in a heavily traveled area.
Photo Courtesy David Knudsen, legislative affairs, CalTrans A California bridge received $2 million in emergency federal funding. The Federal Highway Administration provided $2 million in emergency-relief funds to repair a California bridge that partially collapsed after the foundation washed away under an abutment.A heavy rainfall on July 19 washed away the abutment at the eastern end of the Tex Wash Bridge near Desert Center, Calif., which carries eastbound traffic on Interstate 10, the main link from Southern California to Arizona. The westbound bridge also was damaged but still standing, and traffic flowed over it in both directions after foundation repairs.The
Enlarge The cutterhead of the TBM 'Lady Bird,' seen here being raised up after completing the segment. On July 23, the cutterhead of a tunnel-boring machine, dubbed "Lady Bird," that is mining the first section of one of several tunnels being built to improve the water quality of the Anacostia River, was lifted out of a shaft near a pumping station in Washington, D.C., after completing its mission.Manufactured in Germany by Herrenknect, the TBM removed approximately 1.2 million tons of material from the four-and-a-half-mile tunnel.The tunnels are being built to reduce stormwater and combined-sewer overflows.
Related Links: Amid Controversy, Rail Projects Move Forward in Virginia, Maryland Amid Labor Controversy, Dulles Metro Work Carries On An investigation is underway into the cause of longitudinal cracks that have appeared in the precast-concrete girders installed for the aerial guideway of the Silver Line rail project in northern Virginia.The cracks, some of which are several feet long, were discovered in the top flange of the 96-in.-high, 125- to 150-ft-long girders shortly after they were erected at Dulles International Airport in April by Capital Rail Constructors (CRC), a joint venture of Clark Construction Group LLC and Kiewit Infrastructure South. The
Related Links: Text of final FHWA rule The Federal Highway Administration has issued a final rule spelling out the requirements for the first federal inspection program for highway tunnels.The new National Tunnel Inspection Standards, published in the Federal Register on July 14, are similar to the nearly 50-year-old national requirements for bridge inspections.The tunnel inspection rule is to take effect on Aug. 13.The new standards, which stem from a provision in 2012’s Moving Ahead for Progress in the 21st Century Act, call for state and local agencies that own such tunnels to carry out routine examinations of that infrastructure at
Enlarge Photo Courtesy of WSDOT Steel reinforcements are being added to TBM Bertha in hopes of avoiding getting stuck again. Enlarge Photo Courtesy of WSDOT Big TBM awaits resumption of excavation on Alaskan Way Viaduct replacement project. Related Links: Mammoet Custom Gantry Brings Up Bertha for Repairs Seattle Tunneling Behemoth Bertha Awaits Repairs to Bearing Seals The wait for one of the world's largest tunnel-boring machines to resume excavation under downtown Seattle should come to an end in late November, according to a new schedule released by contractor Seattle Tunnel Partners (STP).Dubbed "Bertha," the TBM has sat idle since December
Photo by Aileen Cho / ENR MoDOT Chairman Miller discussed the agency's funding situation during the "Low and Slow Across America's Infrastructure" tour. Related Links: Low and Slow Across America's Infrastructure Many engineers, consultants and contractors will have to seek work in places other than Missouri through the rest of the decade. Early this month, the Missouri Dept. of Transportation announced it will not embark on any new expansion projects in its five-year FY2016-20 transportation plan, due to lack of funding.In May, ENR’s “Low & Slow Across America’s Infrastructure” tour made stops along Interstate 70 in St. Louis and in
Enlarge Rendering Courtesy of Hong Kong Airport Authority Hong Kong master plan includes a third runway and extensive reclamation work. Related Links: Immersed In Innovations, Hong Kong-Macau Link Takes Shape Hong Kong Secures $1.1 Billion To Cover Jump in Cost of Link Road Project Construction of a third runway at one of the world's busiest airports will include careful reclamation of some 650 hectares of contaminated land, using techniques such as Deep Cement Mixing (DCM) and wick drains. Hong Kong’s Chek Lap Kok International Airport needs the third runway to handle an expected 97 million passengers by 2030, as compared
Image courtesy of Auckland Transport New transit link will serve a rapidly growing Auckland city center. Image courtesy of Auckland Transport Related Links: New Zealand's $1B Highway Job Resumes After Concrete Error Skills Shortage Challenges New Zealand Earthquake Rebuild A $1.7-billion public transit line dubbed the “missing link” in Auckland, New Zealand’s rail and bus network is a step closer to construction. Two joint ventures are beginning a $2-million initial design phase for the City Rail Link (CRL), which will include 3.6 meters of tunnels.Downer NZ, Soletanche Bachy JV, and Connectus, a joint venture of McConnell Dowell and Hawkins, will
What's missing here?" That's how Ron Heustis begins his public briefings as the manager of construction for the Indiana Dept. of Transportation on the East End Crossing.
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