IronPlanet.com has set a new record for the highest-priced item sold at one of its virtual auctions. A 2008 Gomaco GHP-2800 slipform paver belonging to transportation contractor John Carlo Inc., Clinton Township, Mich., sold to an undisclosed Louisiana buyer for $930,000 at the Oct. 21 auction, which drew 13,500 bidders from 140 countries spending a total $7.2 million. John Carlo used the auction to liquidate its fleets in Michigan and Florida. “Everything we sold at IronPlanet, including the paver, exceeded our expectations,” says Fred Peltier, John Carlo’s corporate equipment manager. The Pleasanton, Calif.-based auction company filed for a $92-million initial
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.