Building Settlement

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Millennium Tower, 301 Mission Street

San Francisco, CA

Project Contacts: Ronald Hamburger

With bedrock more than 200 ft below street level, the fifty-eight-story Millennium Tower, like most downtown high-rises, is founded on piles driven through soft, compressible clay soils deposited by the San Francisco Bay and extending into a...

Services:Structural Investigation, Structural Rehabilitation

Markets:Office

Keywords:Building Settlement, Concrete, Concrete-Post-tensioned, Concrete-Reinforced, Foundation, High Rise, Nonlinear, Pile, Retrofit/Upgrade, Seismic Analyses, Seismic Engineering and Retrofit, Settlement

Homestead Hills Development

Thornton, CO

Project Contacts: Kevin Moore

The Homestead Hills development comprises 178 one- and two-story, wood-framed homes constructed between 2005 and 2010. Shortly after construction, homeowners reported cracked drywall, displaced concrete flatwork, and deflected and damaged...

Services:Structural Investigation

Markets:Residential - Single Family

Keywords:Building Settlement, Cracking, Expert Testimony, Ground (Soil) Improvement, Residential, Settlement

135 Franklin Street

Stoneham, MA

Project Contacts: Cory Brett, Scott DiFiore, Bryan Strohman

The five-story building at 135 Franklin Street experienced damage due to settlement. Over the years, the owner undertook repairs at the elevator pit and central corridors and needed to address problems at a basement condominium. SGH investigated...

Services:Structural Investigation, Structural Rehabilitation

Markets:Residential - Condominium

Keywords:Below-Grade, Building Settlement, Foundation, Geotechnical, Settlement, Slab

Lynn Classical High School

Lynn, MA

Project Contacts: William Konicki, Aaron Lewis, Peter Nelson

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 of the structure. SGH investigated the causes of...

Services:Building Enclosure Investigation, Building Enclosure Rehabilitation, Structural Investigation, Structural Rehabilitation

Markets:Education - K-12

Keywords:Building Settlement, Classroom, Construction Engineering, Cracking, EIFS, Expert Testimony, Geotechnical, Slab

Saint Francis Hospital and Medical Center

Hartford, CT

Project Contacts: William Konicki, Giuliana Zelada-Tumialan

During the 2008 excavation for the new North Tower, the adjacent five-story, brick masonry building (Building 3) suddenly settled about 1.5 in. This movement caused significant damage to Building 3, which was supported on shallow...

Services:Structural Investigation

Markets:Health Care

Keywords:Building Settlement, Construction Administration, Construction Engineering, Excavation Support, Failure Investigation, Field Testing, Foundation, Geotechnical, Laboratory Testing and Analysis, Underpinning

Massachusetts Institute of Technology, Building NW21

Cambridge, MA

Project Contacts: Jeffrey Langlois, Paul Millette

Building NW21 at the Massachusetts Institute of Technology (MIT) was constructed in the early 1900s and now houses the Plasma Science and Fusion Center. The center, which is a vital part of the university, performs roughly $30 million in...

Services:Structural Rehabilitation

Markets:Education - College & Prep

Keywords:Building Settlement, Cracking, Foundation, Geotechnical, Masonry-Brick, Masonry-Load Bearing, Pile, Settlement

The First Church of Christ, Scientist, The Mother Church Original

Boston, MA

Project Contacts: William Konicki, Aaron Lewis, Giuliana Zelada-Tumialan

Due to lowered groundwater levels in Boston's Back Bay area, as a result of underground construction, leaking utility lines, and leaking basements, several area buildings have been affected by severe deterioration of the timber piles that support...

Services:Materials Investigation, Structural Investigation

Markets:Religious

Keywords:Building Settlement, Condition Assessment, Field Testing, Foundation, Geotechnical, Laboratory Testing and Analysis, Pile, Signature Project, Underpinning, Wood

303 Congress Street

Boston, MA

Project Contacts: Paul Kelley

The six-story, steel-moment framed building at 303 Congress Street was constructed in 1983. The building was two bays wide parallel to Congress Street and eight bays wide parallel to the water. Deep precast concrete pile foundations on the water...

Services:Structural Investigation

Markets:Office

Keywords:Building Settlement, Concrete, Construction Administration, Demolition, Failure Investigation, Field Testing, Laboratory Testing and Analysis, Petrography, Pile, Risk Assessment, Structural Adequacy Assessment