Photo by Janice Tuchman/ENR Conference panel experts suggest the project's technical issues may not be unique. Related Links: High-Stakes Brinksmanship at the Panama Canal Panama Canal Owners and Contractors Reach Agreement With so many different nationalities and cultures represented among its participants, the Panama Canal expansion project faces obstacles worthy of the U.N. General Assembly. Together with the canal's vital role in world shipping and to the Panamanian economy—and with the project's construction risks—it's not hard to understand how misunderstandings could have led to $1.6-billion in disputed claims, said project risk experts speaking at ENR's Global Construction Summit in New
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.