The value of new construction starts climbed 8% in July, helping to counteract sharp year-to-year declines, according to new statistics released by McGraw-Hill Construction. Through the first seven months of this year, the total dollar value of new construction starts was $236 billion, which was down 35% from the same period a year ago. “Since March, there has been an up-and-down pattern for construction starts, supporting the belief that a leveling-off process is now under way,” Robert Murray, MHC’s chief economist, points out. “Single-family housing, while still at extremely low volume, has shown improvement in five out of the past
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.