19 Projects

1625 North Ode Street Arlington, VA

1625 North Ode Street

Arlington
,
VA
Project Contacts:

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...

Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta Botanical Garden Walkway Collapse Investigation

Atlanta
,
GA

On 19 December 2008, a large portion of the S-shaped, steel-framed walkway under construction at the Atlanta Botanical Garden suddenly collapsed during concrete placement operations.  The...

Union Park Detention Facility

Union Park Detention Facility

Boston
,
MA
Project Contacts:

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...

Clearway Street Apartments

Boston
,
MA
Project Contacts:

The First Church of Christ, Scientist (TFCCS) owns and manages fourteen four-story brick apartment buildings on Clearway Street. TFCCS observed that the buildings, which were built in the 1890s,...

Suspended Concrete Ceiling Removal over Massachusetts Turnpike

Suspended Concrete Ceiling Removal over Massachusetts Turnpike

Boston
,
MA

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...

University of Massachusetts, Boston Harbor Campus

Boston
,
MA
Project Contacts:

The UMass Boston Harbor Campus, originally constructed in the early 1970s, included five buildings. A plaza level two stories above grade interconnects these buildings and there are two...

CNRL Supermodules, Horizon Oil Sands Delayed Coker Unit Expansion, Fort McMurray

CNRL Supermodules, Horizon Oil Sands Delayed Coker Unit Expansion, Fort McMurray

Alberta
,
AB
Project Contacts:

With modular construction, CNRL was able to expand the Delayed Coker Unit at their Horizon Oil Sands site while minimizing downtime during construction. The project utilized supermodule structures...

North Central Correctional Institute Steam Tunnel

North Central Correctional Institute Steam Tunnel

Gardner
,
MA
Project Contacts:

The reinforced concrete utility tunnel at the North Central Correctional Institute (NCCI) is over 100 years old.  As part of a utility upgrade, NCCI sought to remedy observed displacement and...

MBTA Park Street Station

Massachusetts Bay Transportation Authority, Park Street Station

Boston
,
MA
Project Contacts:

Park Street Station is the oldest subway station in the United States.  As part of a system-wide upgrade of light rail transit stations for improved accessibility, the Massachusetts Bay...

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