Photo by Skip Pennington/Brasfield & Gorrie Protection of public safety, health and welfare is the chief imperative of licensed practice. Related Links: The Case For Practice Restrictions in Licensure How To Close A License Loophole Dont Blame Engineering for the Gulf Spill A physician's first priority is to do no harm, and an engineer's primary obligation is to hold paramount the safety, health and welfare of the public. This notion is precisely what motivates the advocates of separate licensure for structural engineers—the sincere belief that such a step is necessary to ensure that structures will remain standing.Several states have had
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.