Courtesy of New York City Health and Hospitals Corp. Superstorm Sandy's floodwaters submerged the basement and subsequently inundated nine to 12 inches of the first floor of the Health and Hospital Corp.'s Coney Island hospital. Health-care owners, contractors and other stakeholders are grappling with a host of issues in Superstorm Sandy's wake. As the storm's waters filled hospital basements and, in many cases, reached first floors, one question that has arisen is where to relocate the information-technology and other critical systems and equipment that typically reside there. While the 2001 terrorist attacks caused many hospitals to install wide-area networks and
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.