Design firm Stantec Inc., headquartered in Edmondton, Alberta, Canada, announced on July 20 that it has signed a letter of intent to acquire Naples, Fla.-based WilsonMiller Inc., a planning, design and engineering company that has more than 265 employees in 10 offices throughout the state. This year, Stantec ranked No. 24 on the ENR Top Global Design Firms list, with worldwide design revenue in 2009 of $1.29 billion. WilsonMiller ranked No. 318 on the ENR Top 500 Design Firms list, with a reported 2009 design revenue of $33.8 million. Since 2006, Stantec has maintained a small presence in Florida; however,
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.