Some American Institute of Architects’ 2008 model contract documents for integrated project delivery are being challenged by at least one prominent lawyer who also is an architect and general counsel for a major A/E firm. The documents create a limited-liability company called a single-purpose entity (SPE). Do not use these model documents without “competent legal counsel review,” because they are “flawed,” says Bill Quatman, managing director for Burns & McDonnell Engineering Co., Kansas City. The single-purpose-entity agreement sets up a limited-liability company that contracts for design and construction. Under the SPE model, the owner has three managers, controlling the board.
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.