Earlier-than-expected changes to ConsensusDOCS, the three-and-a-half-year-old library of model contracts for building design and construction, have been welcomed by lawyers who say the update not only enhances the original documents but demonstrates a development process responsive to industry changes. ConsensusDOCS, a coalition of 31 industry groups and a rival of the American Institute of Architects and other standard-agreement developers, says more improvements are coming soon. Photo: Russell Witherington - Fotolia.com ConsensusDOCS released the update on Jan. 19, at least 18 months ahead of the originally envisioned five-year revision cycle. One rationale is that “the economics of the construction industry today
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.