In an effort to move forward quickly with stimulus funds, federal agencies targeted to receive construction funds for buildings will focus heavily on greening existing inventory and pushing projects with designs in place. While the specific definition of "shovel-ready" remains uncertain, it’s clear from the bill that speed is the order of the day. The General Services Administration will see $5.55 billion in funds from the bill with a major emphasis placed on green building. As a result, projects that upgrade existing facilities will trump new construction. While $750 million would go to federal buildings, such as U.S. courthouses, and
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.