For many years, the Hultman Aqueduct delivered nearly all the drinking water to the Boston area. The aqueduct had never been shut down for inspection or maintenance during that time due to its nonredundant nature. The Massachusetts Water...
Constructed in 1973, the westbound structures of the William Lane Memorial Bridge carry three lanes of U.S. Route 50 across the Chesapeake Bay. During an overlay project at the bridge, Maryland Transportation Authority (MdTA) inspectors found...
The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. The CA/T tunnel walls used soldier pile tremie concrete (SPTC) slurry walls as a component of the final structure. During later stages of...
Fountain View on the Plaza in Kansas City includes two parking garages, Garage A and Garage B constructed in 1999. Garage A accommodates 406 cars and Garage B accommodates 248 cars. The garages are free-standing, four-story, open parking...
The Greybull Water Transmission Pipeline is the only pipeline that carries treated water for the town of Greybull. The 16.5 mile pipeline was constructed in 1960s and 1970s with 12 in. and 14 in. dia. asbestos cement (AC) pipes. SGH performed a...
Trinity Stadium (formerly Haverhill Stadium) opened in 1916 and has a rich history from its grandstand construction overseen by President Roosevelt’s Works Progress Administration to hosting of legendary sports greats, such as Babe Ruth and...
San Quentin Prison sits on Point San Quentin bounded by the San Francisco Bay. The site is laterally supported on the bay boundaries by the precast concrete seawall that was constructed in 2002. SGH investigated cracking and spalling of the over...
Due to lowered groundwater levels in Boston's Back Bay area, as a result of underground construction, leaking utility lines, and leaking basements, several area buildings have been affected by severe deterioration of the timber piles that support...
Train collisions involving locomotives can result in serious damage and occupant injury due to the larger size and stiffness of the locomotive. In an effort to improve safety for rail passengers and operators, the Volpe National Transportation...
The Caring Health Center comprises three interconnected buildings that formerly housed a furniture showroom, but were abandoned for multiple years. The three buildings, including the Smith Carriage Company building (1890), the Morse Block (1904...