The National Labor Relations Board has proposed changes that would speed up elections that determine whether workers in construction and other industries will be represented by unions. As with other recent NLRB moves, reaction to the proposal, which the board announced on June 21, was sharply divided, with pro-union congressional Democrats supporting the move and business groups and Republicans criticizing it. The proposal would for the first time allow electronic filing of election petitions and other documents and shorten the time employers have to produce lists of those eligible to vote in representation elections. It also would require companies and
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.