Related Links: Pa. Turnpike Commission Grand Jury Report Despite the use of contract award procedures that in theory were objective, Pennsylvania Turnpike Commission executives working with key political allies in the state's Democratic party routinely made selections of engineers and contractors based on gifts and political contributions, according to a state grand jury report released March 13.Seated in 2009, the Harrisburg grand jury over the years consulted dozens of witnesses and documents. It charged former Pennsylvania Turnpike Commission Chief Executive Joseph Brimmeier with violating the state ethics law. He was arraigned before a state judge in Harrisburg March 14 for
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.