21 Projects

Massachusetts Water Resource Authority, Beacon Street Line

Boston
,
MA
Project Contacts:

Constructed in the 1870s, the Beacon Street Line carries water under the MBTA Green Line tracks in the busy Brookline neighborhood. Massachusetts Water Resources Authority (MWRA) identified a leak...

DC Water North East Boundary Trunk Sewer

Washington
,
DC
Project Contacts:

In 2014, a five-story residence was constructed directly over DC Water’s North East Boundary Trunk Sewer (NEBTS) with only about 2 ft of soil between the bottom of the basement and the top of the...

The Carillon, 185 Massachusetts Avenue

Boston
,
MA
Project Contacts:

As required by the City of Boston, The Carillon’s condominium association undertook an inspection of the building’s facade. SGH performed the inspection, identifying cracks in the glass fiber-...

Brandon Shores Power Plant

Curtis Bay
,
MD

Brandon Shores Power Plant (BSPP) has a proactive inspection and repair program for circulating water and service water pipelines, including prestressed concrete cylinder pipe (PCCP), steel pipe,...

City of Columbus Pipeline

Columbus
,
OH
Project Contacts:

While attempting to install telecommunications lines below a creek, a driller punctured a buried, 48 in. dia. prestressed concrete cylinder pipe (PCCP). The pipe is part of Columbus’s water system...

Nuclear Power Plant Circulating Water Pipeline

Nuclear Power Plant Circulating Water Pipeline

United States
Project Contacts:

At the power plant, 84 in. dia. steel discharge headers transfer water from the condenser to the discharge tunnel. SGH designed internally bonded, carbon fiber-reinforced polymer (CFRP) liners for...

Nuclear Station Low-Pressure Service Water System

Nuclear Station Low-Pressure Service Water System

United States
Project Contacts:

The low-pressure service water system comprises 36 in., 42 in., and 54 in. dia. steel pipe. Approximately 1800 ft of pipe was corroded and required repair. SGH designed internally bonded, carbon...

Miami-Dade Water and Sewer Authority

Miami-Dade Water and Sewer Authority

Miami
,
FL
Project Contacts:

In 2010, Miami-Dade Water and Sewer Authority (MDWSA) instituted a continuous inspection and repair program for their 48 in. to 96 in. dia. prestressed concrete cylinder pipes (PCCP). With brief...

Fermi 2 Nuclear Power Plant, Circulating Water Pipeline

Fermi 2 Nuclear Power Plant, Circulating Water Pipeline

Monroe
,
MI
Project Contacts:

The 144 in. dia. circulating water pipeline at Fermi 2 consists of two intake lines between the reservoir and condenser and two discharge lines between the condenser and two cooling towers. All...

Brian J. Gallagher Generating Station Almonte

Brian J. Gallagher Generating Station

Almonte
,
ON
Project Contacts:

The Brian J. Gallagher Generating Station, located on the Mississippi River in Ontario, was completed in April 2010. In 2012, power output suddenly dropped by half. Mississippi River Power Corp. (...

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