Photo: Baseball Image Courtesy City Of Mesa After receiving a certificate of occupancy on May 12 for its new, $250-million 787 Dreamliner final production facility in North Charleston, S.C., Boeing started moving workers into the nearly completed building. The facility is the subject of a National Labor Relations Board complaint, issued in April 2011, which seeks to prevent Boeing from locating the 787 production line at the new facility. A joint venture of BE&K Building Group and Turner Construction Co., Greenville, S.C., is nearing completion of the 692,000-sq-ft facility, which started construction in November 2009. BE&K/Turner worked with design firm
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.