The American Society of Civil Engineers has produced a manual of policies and procedures for organizing and conducting damage assessments after man-made or natural disasters. The Post-Disaster Assessment Manual was developed on the recommendation of an independent task force, led by Sherwood Boehlert, retired congressman and former chair of the House Science Committee. The task force was asked by ASCE in late 2007 to review its damage-inquest and peer-review practices after the credibility of some recent investigations, particularly the peer review of a U.S. Army Corps of Engineers-funded study of Hurricane Katrina, was challenged by critics. They said issues related
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.