Harris & Associates Inc. has had just two chief executives in its 36 years, and the departure, in 2010, of a designated heir apparent didn't help the California professional service firm in changing out its aging leaders. So, knowing it faced a tough market and tougher decisions ahead, the firm agreed to a new direction. "We couldn't just give lip service for succession planning," says outgoing President and CEO Guy Erickson. "Because of the economy, it was time to change the way we were doing business. It was time for a new wind to blow."The change hit the firm with
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.