Construction industry groups and some in Congress are objecting to a draft White House executive order that would require companies and executives to disclose their political contributions when they bid on federal contracts. Stephen Sandherr, CEO of Associated General Contractors, said the plan would “create the mechanism for enforcing a political litmus test” for contractors. Mike Bellaman, president and CEO of Associated Builders and Contractors, said the administration proposal “would politicize the bidding process and open the door to cronyism and malfeasance.” Senate Homeland Security and Government Affairs Committee Chairman Joseph Lieberman (I-Conn.), the panel's top Republican, Susan Collins of
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.