128 Projects

Central Artery Tunnel Project Leakage Investigation

Boston
,
MA
Project Contacts:

The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground.  Systemic water leakage at the tunnel roof to slurry wall intersection created a long-term...

Keck Telescope

Kamuela
,
HI
Project Contacts:

On 15 October 2006, a large earthquake damaged both telescopes...

Pipe Failures in Residential Plumbing and Heating Systems

United States and Canada
Project Contacts:

SGH investigated the cause of failures in pipes used in residential domestic hot water and hydronic heating systems in the United States and Canada.  Occurring after less than 10 yrs in service,...

Diablo Canyon Power Plant

Avila Beach
,
CA
Project Contacts:

Diablo Canyon Power Plant, in operation since 1985, uses two Westinghouse Pressurized Water Reactor units to produce 18,000 gigawatt-hours of electricity.  PG&E retained SGH to support the re-...

Catholic Schools

San Francisco
,
CA
Project Contacts:

Based on recommendations from The Private Schools Earthquake Safety Working Group, the Earthquake Safety Implementation Program (ESIP) for the City and County of San Francisco worked with the...

Tugboat Allision Investigations

Various Marine Terminals
,
CA
Project Contacts:
During the spring of 2013, SGH investigated two hard tugboat allisions (collisions with fixed objects such as bridges or docks), at separate marine oil terminals.  In both cases, the tugs were...

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