The Institute for Business & Home Safety (IBHS), a not-for-profit applied research group supported by property insurers, issued a study of property damage from last September’s strike of Hurricane Ike near Galveston, Texas. It concludes that significantly more Gulf Coast homes and businesses are at risk of disastrous flooding from such storm surges than previously recognized. Photo: The Institute for Business and Home Safety Related Links: Damage Report: Study Claims Codes Are Still Weak The federal National Flood Insurance Program’s base flood-elevation requirement for homes on the area ranged from 13 ft for homes built in the 1970s and 17
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.