A contract was awarded recently for a $3.5-billion ethylene plant at the Ain Sokhna complex, 120 km east of Cairo. Egypt is in the throes of a $19-billion petrochemical-plant construction boom. The national strategy, laid out in a 20-year master plan, is to boost domestic production capacities to 600,000 ton per year of ethylene and 1.9 tons per year of polymers, according to the Ministry of Petroleum and Mineral Resources.Currently, Egypt’s petrochemical sector represents 27% of its total industrial production. The 2002-22 plan calls for 14 petrochemical complexes. The 2002-08 first phase involved eight plants valued at $5.6 billion. The
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.