Recovery from natural and man-made disasters is often assigned in part to engineers, who we expect to answer the call to fix the problem. Knowing the inevitability of periodic catastrophes, the American Council of Engineering Companies of New York (ACEC New York) strongly supports emergency responder legislation to prevent future misguided lawsuits against engineering firms for on-site conditions that are entirely outside their assigned responsibility. Unlike Good Samaritan Laws, which protect only unpaid volunteers from liability for work performed during state or national disasters, emergency responder legislation would provide design firms immunity from lawsuits that attempt to make engineers responsible
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.