The main lesson learned by the construction manager who recently completed a pioneering four-year, BIM-enabled project to build a replacement ballpark for the New York Yankees is “the more trades modeling, the merrier,” says James Barrett, manager of virtual design and construction for Turner Construction Co., the CM at-risk. But more doesn’t necessarily mean more complex, in terms of interoperabilty, anyway. Building on the experiences with the Yankees project, Barrett says Turner is satisfied for now to see subcontractors building their own models and working with their tools of choice, at their preferred levels of detail beyond a minimum standard,
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.