Courtesy ADP Last summer's optimism as huge gates arrived on-site has vanished as contractural negotiations have turned rancorous. Related Links: Panama Canal Teams Negotiate Cost Overrun Dispute Exclusive: Panama Canal Project Won't Be Held Hostage By Work Shutdown, Owner Tells ENR Two Sides in Panama Canal Cost Dispute Harden Their Positions Ferdinand de Lesseps arrived in Panama in 1879 as the most famous engineer in the world. He had accomplished the impossible: the construction of the Suez Canal. Five years later, de Lesseps' reputation was in tatters.The French-backed attempt to build a canal through Central America collapsed after gross financial
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.