Proponents are hopeful that Maryland will expand public-private partnerships on state infrastructure and facilities, with the state House of Delegates' March 26 vote to approve a bill authorizing use of private financing.The bill now goes to the state Senate. Gov. Martin O’Malley (D) , who supports infrastructure privatization, will likely sign the measure if it clears the legislature, which is set to adjourn on April 9. Separate legislation authorizing development of an offshore wind farm also is set for a House vote by week's end.The P3 bill would authorize the Maryland Dept. of General Services to use P3s for design,
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.