ENR Art Dept. In CPM scheduling, sharing dominates but it hasn't proven to be the perfect solution yet. ENR Art Dept. Is Owning Float an Absurdity? Options and Motives Cited by Contractors and Construction Managers in Project Scheduling Decisions. William A Manginelli and his colleagues at Trauner Consulting Services say that manipulating or gaming the amount of float in a critical-path method schedule is difficult and perilous for contractors. But contractors and construction managers suggest that many of the decisions about how float is treated in contracts and the strategies used in preventing disputes over delays are based on worries
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.