13 Projects

1625 North Ode Street Arlington, VA

1625 North Ode Street

Arlington
,
VA
Project Contacts:

In August 2011, the apartment building at 1625 North Ode Street experienced differential settlement and damage after the excavation support at an adjacent construction site failed. SGH assessed...

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...

Pentagon Building Performance Study

Pentagon, Building Performance Study

Washington
,
DC
Project Contacts:

On the morning of 11 September 2001, hijackers crashed a commercial plane into the Pentagon.  Following that attack, the American Society of Civil Engineers established a building performance...

Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta
,
GA

On 19 December 2008, a large portion of the S-shaped, steel-framed walkway under construction at the Atlanta Botanical Garden suddenly collapsed during concrete placement operations.  The...

Vanadium Technology Program, Long-Span Trusses

San Francisco
,
CA
Project Contacts:

Over ten years, SGH researched innovative uses of High Strength Low Alloy Vanadium (HSLA-V) steels in a variety of structural applications under the Vanadium Technology Program, an initiative...

Boardwalk Hall

Atlantic City
,
NJ
Project Contacts:

Constructed in 1929, Boardwalk Hall has hosted many legendary entertainment icons and events.  In 2002, following a major renovation, the venue installed an aluminum truss assembly to support...

Dallas Cowboys Training Facility

Dallas
,
TX
Project Contacts:

On 2 May 2009, the Dallas Cowboys Training Facility collapsed during high winds.  The fabric-covered structure fell on approximately seventy people, trapping some under the rubble.  SGH, working...

2000 Commonwealth Avenue

Boston
,
MA
Project Contacts:

On 25 January 1971, the sixteen-story apartment building at 2000 Commonwealth Avenue progressively collapsed during concrete placement for the mechanical penthouse floor slab above the main roof...

Hyatt Regency Hotel Walkway

Kansas City
,
MO
Project Contacts:

In July 1981, two suspended walkways spanning the dramatic atrium of the Hyatt Regency Hotel collapsed during a weekend Tea Dance.  As a result, 114 people died and hundreds more were injured....

John Hancock Center, Scaffold Collapse

Chicago
,
IL
Project Contacts:

On 9 March 2002, a 100 ft long, suspended scaffold platform fell from the 42nd floor of the John Hancock Center.  As the scaffold fell, it dropped debris in an arc from the northwest corner to the...

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