A labor shortage, brutal weather and caribou have bogged down the $1-billion expansion and upgrade of a crucial highway in the Canadian province of Alberta, while public concern mounts over the frequency of deaths on that road.
A Sacramento Bee investigation has raised questions about the structural integrity of the San Francisco-Oakland Bay Bridge's foundation and its ability to withstand a major earthquake.
With financing agreed between Israel and one of its largest corporations, preliminary planning has begun on an estimated $600-million project to build what could be one of the world's longest conveyors.
Related Links: San Francisco Skyscraper Lifts Stature of Seismic Design Performance Design Floodgates Open on the West Coast Strong Motion Center Scientists say there is a 63% probability of a damaging earthquake in the Bay Area in the next 30 years. Officials in quake-prone California recently took a step toward making the best of the Big One, when it does hit, by installing the densest array of accelerometers in any U.S. skyscraper to date. The 72 sensors, activated recently in the tallest tower in the U.S. built using performance-based seismic design, are expected to yield valuable data about the behavior
Located 15 miles to the south of India's capital, New Delhi, the city of Gurgaon, barely a town two decades ago, is now the symbol of India's new growth and power.
In their quest to bring swift repairs to a critical floodway and fill a huge scour hole left after the U.S. Army Corps of Engineers breached Mississippi River levees to fight record floods in 2011, engineers have turned to innovative strategies to cope with an environmentally sensitive complication: a blue hole.
As part of a $4.65-billion state Route 520 bridge replacement program east of Seattle, Omaha-based Kiewit Corp. and its subsidiary General Construction Co. are working in Aberdeen, Wash., on a $367.3-million project to build 33 of the largest pontoons ever constructed in the state. The pontoons are part of a total of the 77 needed for the overall replacement of the current Seattle-to-Medina floating bridge across Lake Washington.
McGraw-Hill Construction has launched the new Dodge Momentum Index, which is designed to be an accurate indicator of future construction put-in-place data published by the U.S. Dept. of Commerce. In designing the new index, MHC looked at over a decade of monthly data and discovered that Dodge's planning figures can predict non-residential building put-in-place 12 month ahead with a 91% accuracy rate. Since last July, the index has trended up in all but two months.
The Oregon Dept. of Transportation's new plans for the state's historically plagued $217-million U.S. 20 project will focus on culverts as the only viable way to deal with chronic issues of unstable soils and shifting bridge bents.
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