Related Links: UK Contractors Balfour Beatty and Carillion Are in Merger Talks July ends with continued action in the global construction-sector acquisition arena, as one new U.K.-based deal is announced but another falls apart.ARCADIS N.V., Amsterdam, said on July 31 that it has agreed to buy London-based Hyder Consulting plc. for $430 million in cash.ARCADIS ranks at No. 10 on ENR's list of the Top 150 Global Design Firms, with $3.3-billion in total 2013 revenue, including $2.9 billion internationally.But British contractor Balfour Beatty plc has called off merger talks with Carillion, another large U.K. builder, after announcing the discussions only
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.