Several business organizations, including the Associated Builders and Contractors and U.S. Chamber of Commerce, are challenging the Dept. of Homeland Security’s ‘E-Verify’ system that checks employees’ immigration status. They claim in a Dec. 23 lawsuit that the Bush administration unlawfully expanded the program. A June 9 executive order and subsequent DHS proposal made the formerly voluntary E-Verify program mandatory for all companies holding federal contracts of more than $3,000. DHS later raised the threshold to $100,000, but business groups still do not like the rule. Robin Conrad, executive vice president of the Chamber’s litigation center, says federal law “explicitly prohibits”
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.