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National September 11 Memorial and Museum

New York, NY

Project Contacts: William Konicki, Nathaniel Smith, Milan Vatovec

The “bathtub” slurry wall at the World Trade Center (WTC) site survived when the WTC towers collapsed in 2001, making it a symbol of endurance. WTC site redevelopers wanted a section of the wall incorporated and exposed within the...

Services:Structural Investigation, Structural Rehabilitation

Markets:Cultural

Keywords:Award Winning, Foundation, Geotechnical, Monumental Buildings, Museum, Retaining Wall, Signature Project, Structural Strengthening

ABI Chelsea, 455 W. 19th Street

New York, NY

Project Contacts: Sean OBrien, Kevin Poulin

ABI Chelsea is a modern condominium building in West Chelsea. The project adds eight stories onto an existing single-story structure repurposed to house art galleries on the first floor and below grade. The building features a striated facade and...

Services:Building Enclosure Design, Structural Design

Keywords:Adjacent Construction, Construction Engineering, Crane/Lift, Foundation, Metal-Steel, Monitoring, Monitoring, Construction, Residential, Roofing, Thermal and Moisture Drive, Underpinning, Waterproofing

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

MBTA Iron Horse Park Operations Control Center

Billerica, MA

Project Contacts: Dominic Kelly

Located on an Environmental Protection Agency (EPA)-designated Superfund site and former railyard, the new Iron Horse Park Operations Control Center will house dispatching operations for Massachusetts Bay Transportation Authority (MBTA)...

Services:Building Enclosure Design, Structural Design

Keywords:Adaptive Reuse, Below-Ground Waterproofing, Braced Frame, Civil, Civil: On-Site Stormwater Management, Feasibility Study, Foundation, Metal-Steel, Roofing

University of Vermont Medical Center Patient Tower

Burlington, VT

Project Contacts: John Thomsen, Brian Twomey, Alec Zimmer

As part of their campus master plan, the medical center wanted to update their existing hospital to meet the latest in patient care standards. The new Robert E. and Holly D. Miller Building is a seven-story, 180,000 sq ft building with 128 single...

Services:Structural Design

Markets:Health Care

Keywords:Bridge, Bridge, Pedestrian, Concrete, Foundation, Hospital, Long-Span Structure, Metal-Steel

Mercy Medical Center, Sister Caritas Cancer Center

Springfield, MA

Project Contacts: Michael Bolduc, John Thomsen

With the Sister Caritas Cancer Center, Mercy Medical Center expanded oncology services and consolidated their programs into one comprehensive space. SGH designed the structure for the two-story horizontal expansion.

Services:Structural Design

Markets:Health Care

Keywords:Addition, Foundation, Hospital, Metal-Steel, Stair

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

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

706 Madison Avenue

New York, NY

Project Contacts: Kevin Poulin

The retail development at 706 Madison Avenue is five above-grade and two below-grade stories of new construction surrounding an existing landmark building. The project included preserving the two street-facing facades and a complete interior...

Services:Building Enclosure Design, Structural Design, Structural Rehabilitation

Markets:Retail

Keywords:Adaptive Reuse, Below-Ground Waterproofing, Braced Frame, Foundation, Frame Moment, Historic, Metal-Steel, Monitoring, Construction, Preservation Technology

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