Related Links: Beware the Recovery: What History Teaches More Room for Gloom on Recovery The unprecedented market downturn from which we are emerging has weakened some construction organizations to the extent that they may have difficulty financing the growth that will come with even a slow market recovery. That, in turn, may increase the potential for defaults. But some of the common ways of dealing with the risks may be self-defeating. Here's what I mean: General contractors and subcontractors have the same exposure—if either type of contractor fails, the entire project is disrupted, and all involved are exposed to disruption
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.