Engineers and contractors could end up holding the bag if the finances of state and local governments continue to deteriorate, risk experts warn.Government clients can be especially hard to collect from because they are unlikely to place money in escrow accounts. Private-sector protective measures, such as filing a pre-lien against assets, may not apply to public owners. Yet contractors and prime consultants may remain liable for paying subcontractors, consultants and suppliers.That was the grim assessment at the American Council of Engineering Companies' Oct. 19-22 fall conference in Las Vegas, where a panel explored ways of safeguarding against deadbeat government clients.
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.