Behind the art-decorated walls along Miami-Dade International Airport’s mile-long north terminal, construction workers are building at a feverish pace the last major piece of an overall $6.2-billion capital improvement program. After a decade that saw delays and disputes, the team hired to build the stalled $3-billion terminal expansion expects an on-time delivery next year, with no major claims. photo: Courtesy of POVJ The renovated and expanded north terminal (above) is almost complete, with almost 4 million sq ft of space. A people mover also is nearing completion (below). Photo: Courtesy Of POVJ Work on the 50-gate terminal began in 2001,
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.