141 Projects

Montauk Lighthouse

Montauk Lighthouse

Montauk
,
NY

Authorized by the Second Congress and President George Washington, construction of the Montauk Lighthouse at the eastern end of Long Island was completed in 1796. The octagonal lighthouse suffered...

7 World Trade Center

7 World Trade Center

New York
,
NY
Project Contacts:

Falling debris from the collapse of the World Trade Center towers (WTC 1 and 2) damaged the building at 7 World Trade Center (WTC 7) and ignited fires. After several hours of fire exposure, WTC 7...

Stroube Drain Oxnard

Stroube Drain

Oxnard
,
CA

After constructing the first 1.5 mi of the Stroube Drain cast-in-place, reinforced concrete box culvert, the owner discovered the design did not consider live loads for the most severe traffic...

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...

Match Middle School Jamaica Plain

Match Middle School

Jamaica Plain
,
MA
Project Contacts:

Match Charter Public School (Match), a free public school in Boston, sought to renovate an existing building at 215 Forest Hills Street to house their middle school. Working for Match, SGH...

National Guard Armory Buildings

National Guard Armory Buildings

MA
Project Contacts:

During February 2011, heavy snowfall with a sustained period of below-freezing temperatures resulted in significant snow accumulation in the northeast United States. SGH investigated reported...

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...

MTA South Ferry Terminal New York

MTA South Ferry Terminal

New York
,
NY
Project Contacts:

SGH served as a special consultant to Metropolitan Transit Authority (MTA) Capital Construction to help them with concrete and waterproofing issues at their facilities. As part of our work, SGH...

Chevron Richmond Refinery

Chevron Richmond Refinery

Richmond
,
CA
Project Contacts:

Founded in the early 1900s, Chevron’s Richmond Refinery produces gasoline, diesel, jet fuel, and lubricants. Since the refinery is located within the corporate boundary of the City of Richmond and...

Lynn Classical High School

Lynn Classical High School

Lynn
,
MA

Lynn Classical High School is a one- to three-story structure built on construction debris fill. Shortly after construction, staff observed water leakage and significant damage due to settlement...

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