Emerging job markets and sustainability are two key areas of business St. Louis, Mo.'s Sheet Metal Workers' Local 36 has focused on in recent years to help create and keep up with growth in the sheet-metal and HVAC industries. Local 36 will soon be making those key areas priorities as it unveils plans for a new $15-million green facility. Local 36 has announced approval from its members to move forward with the purchase and renovation of the former Missouri Boiler building on the northeast corner of Jefferson and Choteau avenues in downtown St. Louis to develop a new state-of-the-art, 96,023-sq-ft
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.