The Philadelphia Regional Port Authority has selected the team of Delaware River Stevedores, Philadelphia, and Hyundai Merchant Marine Shipping Agency Inc. to develop a 119-acre site; the resulting Southport Marine Terminal will try to attract commercial container vessels that will be using the expanded Panama Canal to reach East Coast markets. + Image Photo: PRPA Before construction can begin on Philadelphia’s first new marine terminal in a half-century, however, the developers must put together a facilities design and financing plan for the project, estimated to cost $250 million. The developers also will ensure that the first phase of the dredging
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.