PHOTO COURTESY OF MWH Ogden, Utah, wastewater treatment plant expansion is rare sector capital project. Related Links: ENR SOURCEBOOK: Top 400 Contractors So much to do, so little money with which to do it. That paraphrasing of the familiar adage sums up the mood of contractors regarding the water and wastewater infrastructure market. With expansion and upgrade projects in many parts of the country curbed by anemic economic growth and cutbacks in government spending, the market is now focused on helping clients keep their aging systems one step ahead of both time and tightening water-quality mandates.Pat McCann, CEO of Weston
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.