If there is any good news this quarter for the glass curtain-wall and window-wall sector, it is only that things probably can’t get much worse. That’s what glazing contractors, owners and architects are saying this spring as prices for glass-wall systems continue to tank. Source: Bureau Of Labor Statistics. Producer price index. Related Links: Economics: Despite Upturn in Steel, Lumber and Energy Prices Deflation Sweeps Cost Index Board Markets: Survey Shows Contractor Confidence Slowly Rising Homebuilding: Lumber, Wallboard Prices Perk up With Modest Rebound Executive Pay: Key Players Dodge Salary and Bonus Squeeze Methodolgy: What is Driving Costs ENR's Complete
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.