Photo courtesy of Hill International Hill International is providing construction supervision and management on the 73-mile Morine-Merdare Motorway in the republic of Kosovo. ENR Art. Dept. CM/PM-for-Fee Revenue Related Links: Complete Story and Rankings of the Top 100 CM-for-Fee and PM Firms More ENR Top Lists The construction recession has presented firms providing professional construction services with mixed messages. As owners have downsized their facilities staffs to cope with the recession, they increasingly need outside professional providers to help plan, develop and execute their construction programs.On the other hand, owners that traditionally have relied on outside help—such as the federal
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.