General contractor Lease Crutcher Lewis and structural engineer Magnusson Klemencic Associates have settled a lawsuit with the family of the man who died in his apartment when the boom of a 210-ft tower crane toppled while working on Tower 333 in Bellevue, Wash. Details of the settlement were not disclosed. An LCL action against MKA, part of the suit, remains unresolved. According to MKA Chairman and CEO Jon D. Magnusson, MKA designed the crane base assuming a tie-in to the building frame in the initial configuration, but the crane was erected without a tie-in. The reason for this is the
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.