GUSTAFSON WINDMAN Arnold L. Windman, a former top executive of consulting engineer Syska & Hennessy, New York City, and an early advocate of tort and liability reform, died on June 19 in Hilton Head, S.C., of complications from a fall, says his family. He was 83. As a senior engineer, partner, president and vice chairman of the firm, Windman oversaw a number of its key design projects, including the National Gallery of Art in Washington, D.C., and the American Hospital in Paris. He retired in 1991. A former president of the society that preceded the American Council of Engineering Companies,
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.