The two largest American rental companies are merging.United Rentals Inc. on Dec. 16 inked a deal to buy RSC Holdings Inc. for $1.9 billion. As part of the deal, which United expects to close in the first half of next year, United will also assume $2.3 billion in debt, for a total value of $4.2 billion."This transaction marks a transformative moment in our company's history," says Michael Kneeland, United's president and CEO. "Combining the experience and resources of two top-performing equipment rental companies creates an exceptional company." Kneeland plans to stay in his position after the closing.Erik Olsson, RSC's president
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.