12 Projects

National Missile Defense, Inflated Fabric Radome for Sea-Based X-Band Radar

United States
Project Contacts:

The Sea-Based X-Band Radar (SBX) is a major component of the Ground-Based Mid-Course Missile Defense (GMD). The SBX is a mechanically steerable, phased-array radar antenna mounted on a self-...

Sudbury Aqueduct

Needham
,
MA

Built in 1880, the aqueduct was a major pipeline for the City of Boston’s water distribution network until 1940, when the Hultman Aqueduct replaced it. Connecting reservoirs in Framingham with the...

Muskegon County Wastewater Management System

Muskegon
,
MI
Project Contacts:

The Muskegon County Wastewater Management System's pipeline is an 11 mi, 66 in. dia. prestressed concrete cylinder pipe (PCCP) that carries raw domestic and industrial sewage. SGH investigated the...

Hultman Aqueduct

Weston
,
MA
Project Contacts:

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...

Massachusetts Institute of Technology, Haystack Radar Antenna Elevation Structure

Westford
,
MA
Project Contacts:

Massachusetts Institute of Technology/Lincoln Laboratory initiated a major upgrade of the Haystack radar antenna requiring replacement of the elevation structure. The upgrade program was jointly...

Seismic Assessment of Pipelines

Canada
Project Contacts:

Prestressed concrete cylinder pipes (PCCP) are extensively used in the cooling system of power plants. SGH evaluated the seismic performance of buried PCCP pipelines in low, moderate, and high...

Greybull Water Transmission Pipeline

Greybull
,
WY
Project Contacts:

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....

Natgun Water Storage Tanks

Portland
,
OR
Project Contacts:

DN Tanks (formerly Natgun) designs and constructs prestressed concrete liquid storage tanks. The tanks are American Water Works Association (AWWA) D110 prestressed wire-wound concrete tanks that...

Development of Locomotive Crashworthy Components

MA
Project Contacts:

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...

Idaho National Laboratory, Advanced Test Reactor, Primary Heat Exchangers Upgrade

Idaho Falls
,
ID
Project Contacts:

The Advanced Test Reactor (ATR) at the Idaho National Laboratory (INL) supports research and testing of materials for use in large-scale and prototype reactors. Previous analysis by BEA raised...

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