Expansion of the Minera Escondida copper mine included constructing a corrugated steel structural plate arch tunnel. The tunnel acts as a buried bridge to carry a haul road over the mine’s conveyor system. During construction of the...
The Boston Red Sox wanted an urban garden on their stadium roof to grow produce for the ball park’s restaurants. Fenway Farms, which reflects the team’s commitment to sustainability, is located on a triangular section of steel-framed...
During the 2014-2015 winter, historic amounts of snow fell in the Northeastern U.S. With closely spaced storms, the area experienced little or no melting between them. The resulting accumulation of snow and ice caused significant performance...
Exchange Place at 53 State Street includes the 1896 Boston Stock Exchange and the modern glass-clad tower. The new roof deck serves as a showpiece space for Exchange Place offering entertaining and gathering space with views of Boston’s...
The Indian Valley Reservoir provides long-term irrigation storage and flood control. A 2010 inspection report recommended seismic analyses of the floodgates and control structure to confirm the gates could be raised following a earthquake. SGH...
Contech Engineered Solutions (Contech) installs corrugated steel pipe (CSP) to form wind turbine foundations. After excavating, Contech installs the pipe vertically within the hole and quickly backfills around it with a concrete/slurry mix to...
Located on Boston Design Center’s roof, Higher Ground Farm is an urban garden offering a variety of local produce to the Seaport District neighborhood. SGH evaluated the existing roof structure to determine its adequacy to support the 14,...
Carrying about 360,000 commuters every day, Bay Area Rapid Transit (BART) is an important part of the region’s transportation infrastructure. Knowing that the transit system could experience a major earthquake, BART initiated the...
On the morning of 11 September 2001, hijackers crashed a commercial plane into the Pentagon. Following that attack, the American Society of Civil Engineers established a building performance study (BPS) team to examine the structural...
Constructed in the 1950s and carrying over 100,000 vehicles per day, the Storrow Drive Interchange is a major commuting route and link to Back Bay. The interchange includes two reinforced concrete tunnels with steel-framed and reinforced...