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

Minera Escondida, Organic Growth Project 1, Tunnel 4

Atacama Desert, Chile

Project Contacts: Jesse Beaver

Expansion of the Minera Escondida copper mine included constructing a corrugated steel structural plate arch tunnel. The tunnel acts as a buried bridge to carry a haul road over the mine’s conveyor system. During construction of the...

Services:Structural Investigation, Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Buried, Condition Assessment, Culverts and Storm Drains, Damage, Finite Element Analysis, International, Metal, Metal-Steel, Pipe, Pipe, Steel, Pipeline, Settlement, Structural Adequacy Assessment, Tunnel

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

Paramus Park Mall

Paramus, NJ

Project Contacts: Phillip Sharff

Corrugated metal storm drain pipes running beneath the Paramus Mall parking lot were severely corroded and deflected. SGH investigated the pipes’ condition and developed rehabilitation options that would help minimize disruption to the mall...

Services:Structural Investigation, Structural Rehabilitation

Markets:Retail

Keywords:Metal, Pipe, Pipeline, Settlement

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