Demolition

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Casey Arborway Project, Demolition of Bridge No. B-16-367

Boston, MA

Project Contacts: Rosalind Imbaro

The elevated section of Route 203, known as the Casey Overpass or Bridge No. B-16-367, carried the Arborway over Washington and South Streets in Boston’s Jamaica Plain neighborhood. The Casey Arborway Project involved removing structurally...

Services:Structural Investigation

Markets:Bridge

Keywords:Bridge, Major Vehicular, Construction Consulting, Construction Engineering, Construction Staging, Demolition, Soil-Structure Interaction

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, Construction, Shoring/Temporary Structure, Underpinning

1100 Broadway

Oakland, CA

Project Contacts: Anindya Dutta, Ronald Hamburger

The 1100 Broadway project combines the adaptive reuse of the Key System Building, which was heavily damaged in the 1989 Loma Prieta earthquake, with the construction of a new twenty-story building. SGH was the structural engineer for the...

Services:Structural Design

Markets:Office

Keywords:New Construction, Demolition, Facadism, Frame Moment, Frame, Special Moment, High Rise, LEED Projects, Pile, Revit/BIM, Tunnel

The Savoy

Boston, MA

Project Contacts: Erik Farrington, James Parker

The Savoy, originally built in the late nineteenth century, looks out to Boston’s South End historic district. Real estate developers planned to convert The Savoy to a six-story, luxury condominium building with ground-floor...

Services:Structural Rehabilitation

Markets:Residential - Condominium

Keywords:Adaptive Reuse, Construction Engineering, Demolition, Facadism, Structural Stabilization

Suspended Concrete Ceiling Removal over Massachusetts Turnpike

Boston, MA

Project Contacts: Cory Brett, Scott DiFiore

Portions of the Hynes Convention Center (Hynes) are located directly over I-90, the Massachusetts Turnpike. A fifty-year-old, cast-in-place concrete slab suspended from the underside of the Hynes served as the ceiling for the western...

Services:Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Award Winning, Canopy/Ceiling, Civil, Concrete, Construction Administration, Construction Engineering, Construction Staging, Demolition, Shoring/Temporary Structure, Slab, Tunnel

Central Artery/Tunnel Project Slurry Walls

Boston, MA

Project Contacts: Paul Kelley, Matthew Sherman

The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. The CA/T tunnel walls used soldier pile tremie concrete (SPTC) slurry walls as a component of the final structure. During later stages of...

Services:Materials Investigation, Materials Rehabilitation, Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Civil, Concrete, Demolition, Field Testing, Heavy Loads, Laboratory Testing and Analysis, Tunnel

Jamaicaway Towers Parking Garage

Jamaica Plain, MA

Project Contacts: Greggrey Cohen, Paul Kelley

The Jamaicaway Towers Parking Garage required extensive concrete demolition and repair due to widespread deterioration of the structural elements. P.J. Spillane engaged SGH to develop and design means and methods to provide temporary support...

Services:Structural Rehabilitation

Markets:Parking

Keywords:Concrete, Construction Staging, Demolition, Parking Structure

The Colonade Apartments Parking Structure Demolition

Jenkintown, PA

Project Contacts: Greggrey Cohen, Paul Kelley

A portion of The Colonade’s parking structure, constructed with precast concrete plank supported on precast prestressed concrete beams, was beyond repair. SGH worked with the demolition contractor to develop construction documents for...

Services:Structural Design

Markets:Parking

Keywords:Concrete, Concrete-Precast, Concrete-Prestressed, Demolition, Parking Structure

Golden Gate Bridge North Anchorage Housing

San Francisco, CA

Project Contacts: Craig Goings, Ronald Hamburger

Following the 1989 Loma Prieta earthquake, the Golden Gate Bridge District conducted a seismic evaluation of this iconic span located less than 3 mi from the San Andreas fault. The District determined the bridge could not reliably survive a...

Services:Structural Investigation

Markets:Bridge

Keywords:Bridge, Major Vehicular, Civil, Concrete, Demolition, Foundation, Geotechnical, Seismic Engineering and Retrofit

Salem State University Library Demolition

Salem, MA

Project Contacts: Dominic Kelly

Salem State University sought to demolish their existing library and reuse the site for other purposes. SGH developed structural demolition documents and provided construction phase services for the demolition of the six-story, 130,000 sq...

Services:Structural Design

Markets:Education - College & Prep

Keywords:Civil, Construction Engineering, Demolition, Dynamic/Vibration, Library, Monitoring, Construction, Structural Adequacy Assessment