Source: Bureau of Labor Statistics School Building Costs Once thought to be virtually recession-proof, the school construction market is starting to falter, undercutting building costs associated with that market. Since the beginning of last year, the Bureau of Labor Statistics’ producer price index for new school building construction costs has fallen 2.3%, according to the BLS November 2009 index. The cost index is still up 2.2% from a year ago, but this is well below the year-to-year increases of 7.5% in 2008, 9.9% in 2007 and 8.3% in 2006. Through the first eleven months of 2009, public school construction was
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.