A joint venture between TAV Construction, based in Istanbul, and Consolidated Contractors Group, based in Athens, has won a $1.17-billion contract to expand Muscat International Airport, formerly Seeb International Airport, in Oman. The expansion includes a 240,000-sq-meter terminal building, runway, control tower and a rail link to the existing terminal. Work is expected to be completed by 2011. The project manager is a joint venture of France’s Aeroports de Paris and Pakistan’s National Engineering Services Pakistan & Partners.
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.