A move by a Hawaii Democratic congressman to insert labor provisions into the House version of the 2010 military spending bill that would affect Guam's multibillion-dollar troop redeployment facility expansion program is raising concern among U.S. officials and potential contractors about big cost impacts. Photo: CDM DOD-funded projects would pay Hawaii wage rates. The bill, enacted late last month, includes language added by Rep. Neil Abercrombie, a member of the House Armed Services Committee. It would require contractors involved in the estimated $15-billion Guam military facility expansion to pay construction workers prevailing wages equivalent to those paid in Hawaii, 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.