The hotel is an eight-story, cast-in-place reinforced concrete structure. While installing storefront at the lower level, the construction team observed that framing would not fit within the intended story height and surmised that building...
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...
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...
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...
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...
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...
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...
Excavation and heavy civil construction in urban environments directly impact abutters and existing adjacent structures. Noise and dust create nuisance concerns, while demolition, excavation and dewatering can cause earth movement and structural...
New construction in metropolitan areas has direct impacts on immediate neighbors and abutters. While noise and dust are generally nuisance concerns, demolition, vibrations, excavation, and dewatering can cause structural damage to...