Again, we must take exception to a recent article that misrepresents the reality of accreditation for construction-management programs in universities and colleges in the story “A Big Increase in CMF-PM Fees” (ENR 6/20 p. 44).
In your story on the Permanent Canal Closures and Pumps project in New
Orleans (ENR 5/9 p. 24), with regard to the severity of Hurricane Katrina’s storm surge in Lake Pontchartrain, wave heights were typically similar to those assumed for the design of the structures (IPET, vol. 1, p. 2).
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.