Another behemoth civil works project is taking shape in New Orleans as construction of the $1 billion Gulf Intracoastal Waterway (GIWW) West Closure Complex project rapidly advances. Since receiving the notice to proceed August 4, Gulf Intracoastal Constructors, a joint venture of Omaha-based Kiewit Corp. and Traylor Bros. Inc. of Evansville, Ind., has been working round-the-clock. GIC has already cleared and grubbed most of the 200-acre site, built 4,000 ft of roadway, and excavated 150,000 cu yd of dirt. Photo: Angelle Bergeron Gulf Intracoastal Constructors is driving 1,375, 137 ft-long steel pipe piles for the foundation of the pump station
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.