The $787-billion stimulus package provides for about $130 billion in federal, state and local government construction spending. The entire construction industry has been anxiously awaiting the pipeline of projects now hitting the streets. With the economic crisis having all but shut down commercial and residential construction, many in the construction industry, including contractors who have no prior experience in government construction, are now actively competing for a share of the stimulus pie. This change in market focus has immediate ramifications for the newcomers. Most important, transitioning contractors must quickly learn that success in the public sector requires education and adjustments
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.