To combat failing prestressed concrete cylinder pipe (PCCP) in its system, the Washington Suburban Sanitary Commission has placed a high priority on replacing sections of existing PCCP with ductile iron or steel pipe.
The new wastewater treatment plant is designed for an average daily flow of 332,000 gallons and provides nutrient removal to meet effluent requirements of 3.0 mg/l total nitrogen and 0.3 mg/l total phosphorus.
The 380,000-sq-ft City Center Plaza development in Boise includes a steel-framed, 10-story commercial and retail building with an adjoining five-story convention center.
Industry veterans selected the winners of the 2017 Global Best Projects Awards as the most outstanding examples of the risks and rewards—and the hurdles overcome—of designing and building internationally.
The structural restoration and strengthening of the Mar Girgis Church’s rotunda fortifies the unreinforced masonry structure against static loads and earthquakes.
Canada’s first soccer-specific stadium, originally built in 2007, was renovated with a flexible design to maintain an intimate environment while having the ability to expand for special events.