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By Catherine A. Cardno, Ph.D.
Across the United States, primary and secondary school buildings are leading the way in the so-called zero-energy movement, in which structures are designed to generate at least as much energy as they use. They tend to be owner-occupied, are located on roomy sites with plenty of roof space for solar panels, and have predictable energy usage patterns, making them the perfect candidates.
By Mark Cunliffe, CEng, MIStructE, M.ICE, David Gledhill, CEng, and Rosie Howard
The restoration of an 18th-century United Kingdom building in which cloth was made and traded involved extensive structural assessments and a sensitive approach to conservation. The goal was to preserve the historically protected nature of the structure while also transforming the overall site into a vibrant heritage asset for future generations.
by Tara Hoke
In October 2012, Hurricane Sandy makes landfall on the East Coast of the United States, causing widespread damage to coastal communities. Many of the homeowners impacted by the disaster have purchased insurance through a "write your own" (WYO) program sponsored by the National Flood Insurance Program (NFIP), a federal initiative designed to offer affordable flood insurance to property owners in participating communities. Under this program, private insurance companies write and administer flood insurance policies in their own names, but the federal government assumes the responsibility for underwriting losses. The private insurance carriers also receive expense allowances from the U.S. government for costs incurred in administering the policies.
A Question of Ethics
by T.R. Witcher
Seattle is a city blessed by its proximity to the ocean, large lakes, rain forests, and mountains. But for transportation planners and engineers, that
breathtaking setting has been more of a curse. How else to account for the formidable challenge engineers faced in the 1930s and 1940s in designing a highway and tunnel that would connect Seattle to the east--over a 200 ft deep lake and through a 260 ft tall ridge?
The solution was just as formidable: the largest floating bridge in the world--the first to be made of reinforced concrete--and the world's largest-diameter soft-earth tunnels.
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