Related Links: Read the Complete 2012 Q1 Cost Report PDF The market recession has severely tested the confidence of the normally optimistic construction industry. Four years of struggling markets have taken a toll. However, the slow-but-steady recovery of the U.S. economy has many firms in the industry now believing that the worst is behind them and that a broad recovery is poised to begin.The recovery of the industry’s optimism can be seen in the most recent ENR Construction Industry Confidence Index survey. The first-quarter 2012 CICI rose to 58 on a scale of 100, up 16 points from 42 in
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.