Eight months into his role as lead executive of the world’s largest producer of construction and mining equipment, Doug Oberhelman was meeting with an ENR Top 400 Contractor when an ENR reporter arrived for an interview. Oberhelman said to McCandless, “Have you ever seen one of these [media interviews] before?” McCandless replied that he hadn’t. “Well then, why don’t you stickaround and watch?” Before long, Steve McCandless, senior vice president of Garney Construction, Kansas City, Mo., and a Caterpillar machinery buyer, became an impromptu part of ENR’s Feb. 10 interview at Caterpillar headquarters, located in Peoria, Ill. He had just
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.