Though housing development across San Francisco has slowed to a crawl during the recession, a plan to build a 196-unit mixed-use complex on the central waterfront is off the ground because of $1.7 million in federal stimulus funds. San Francisco, California Photo: Martin Building Co. Repurposed warehouses will abut newly constructed apartments. Related Links: Stimulus: A Snapshot of Top Shovel-, Wrench- and Pencil-Ready Projects Funds from the American Recovery and Reinvestment Act will cover the first phase of the Potrero Launch project, which involves soil testing prior to brownfield cleanup on a 1.25-acre site in a heavy industrial zone near
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.