Excavation Support

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Maine Medical Center, Congress Street Medical Building

Portland, ME

Project Contacts: John Thomsen, Giuliana Zelada-Tumialan

As part of Maine Medical Center’s phased plan to expand and modernize the facility, they repurposed the site of a parking structure to construct a new six-story medical building. The project required demolishing the garage, which had...

Services:Structural Design

Markets:Health Care

Keywords:Excavation, Excavation Support, Foundation, Geotechnical, Hospital

The Arcade Residences, 1135 W Sheridan Road

Chicago, IL

Project Contacts: Matthew Johnson

The Arcade Residences is a seven-story mixed-use building near Loyola University. The development includes fifty-eight apartments with a variety of layouts, ground-level retail, and below-grade parking. With a serrated stone facade, the building...

Services:Structural Design

Keywords:Excavation Support, Podium, Preengineered/Prefabricated/Modular, Residential

Private Residence

Winnetka, IL

Project Contacts: Scott DiFiore, Matthew Johnson

Constructing this single-family residence required excavating 30 ft down to accommodate two subgrade levels. The excavation extended approximately 100 ft between adjacent lot lines. SGH was the structural engineer for the proposed building...

Services:Structural Design

Keywords:Condition Assessment, Excavation, Excavation Support, Monitoring, Monitoring, Construction, Residential

Standard Shoring Designs

Various, MA

Project Contacts: Scott DiFiore, Bryan Strohman

To help them construct utility trenches, Bond Brothers needed standard shoring designs for temporary excavation support systems. SGH developed a library of standardized designs for use at project locations with varying site conditions.

Services:Structural Design

Markets:Other

Keywords:Construction Engineering, Excavation Support, Foundation, Geotechnical, Shoring/Temporary Structure

Belmont Light, Underground Transmission Line

Cambridge and Belmont, MA

Project Contacts: Sean Donlon, Aaron Lewis, Giuliana Zelada-Tumialan

Belmont Municipal Light Department (BMLD) needed to upgrade their aging substation and power distribution system to improve reliability and prepare for future demands. Working with Eversource, the area’s electric service provider, BMLD...

Services:Structural Design

Markets:Manufacturing & Industrial

Keywords:Aggregate Piers, Award Winning, Civil, Excavation Support, Geotechnical, Ground (Soil) Improvement

Johns Hopkins University, Krieger Hall

Baltimore, MD

Project Contacts: Joseph Rogers, Scott Silvester, Bryan Strohman, Niklas Vigener

Constructed in 1929, historic Krieger Hall sits on the Keyser Quadrangle at Johns Hopkins University (JHU). It connects to Ames Hall through a vestibule and colonnade walkway to the west and adjoins an elevated plaza over the library to the east...

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

Markets:Education - College & Prep

Keywords:Award Winning, Below-Grade, Below-Ground Waterproofing, Civil, Drainage, Excavation Support, Foundation, Geotechnical, Masonry-Brick, Plaza, Preservation Technology , Structural Strengthening, Water Leakage, Waterproofing

Brentford Hall

Cambridge, MA

Project Contacts: Scott DiFiore, William Konicki

Constructed in the 1920s, Brentford Hall is a condominium building with load-bearing, mass-masonry walls supported by shallow footings. The abutter to Brentford Hall planned to demolish its existing wood-framed building and construct a new...

Services:Structural Investigation

Markets:Residential - Condominium

Keywords:Adjacent Construction, Demolition, Excavation Support, Foundation, Geotechnical, Monitoring, Monitoring, Construction, Shoring/Temporary Structure, Underpinning

1625 North Ode Street

Arlington, VA

Project Contacts: Scott Silvester

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 the condition of the existing four-story building...

Services:Building Enclosure Design, Structural Investigation, Structural Rehabilitation

Markets:Residential - Apartment

Keywords:Collapse, Excavation Support, Failure Investigation, Masonry, Masonry-Brick, Masonry-CMU, Masonry-Load Bearing, Shoring/Temporary Structure, Wood

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

Union Park Detention Facility

Boston, MA

Project Contacts: William Konicki, Aaron Lewis

The Massachusetts Water Resources Authority (MWRA) owns and operates five facilities that treat Combined Sewer Overflows (CSOs)during storm events before it reaches Boston Harbor and its tributary rivers. As part of the Boston Harbor...

Services:Structural Design

Markets:Other

Keywords:Bulkhead/Cofferdam, Concrete Mix Design, Excavation Support, Pile, Shoring/Temporary Structure