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MBTA Transitway Courthouse Station and Tunnel

Job Highlights:

  • 172,000 SF Slurry Walls
  • 210,000 CY Earth Excavation
  • 81,000 SF Sheet Pile Walls
  • 60,000 CY CIP Concrete
  • 2,200 Tons Structural Steel
  • 5,000 Tons Temporary Bracing
  • 30 Million Dollars Station Finishes

J. F. White worked through many difficult mitigation measures involving traffic shifts and deep proximity to existing structures.

Completed in December of 2004, this project – the flagship station of the MBTA's Silver Line – provided a major segment of the MBTA's newest transit line, enabling a connection between South Station and the Federal Courthouse, the South Boston Waterfront District and Logan Airport.

At a cost of $110 million, this project engaged every discipline available within the J. F. White Contracting Company. In addition to our own resources, we coordinated the resources of 30 subcontractors who furnished and installed some of the most complex and ornate station finishes installed in any MBTA transportation facility to date.

The experienced team assigned to this project demonstrated J. F. White's reputation for positive interaction and coordination with the owner and their design engineers. Early issues with water and soils were managed effectively and permanently to ensure a successful project. Tight and deep cuts required that a combination of earth support systems be installed utilizing slurry walls and sheet pilings, which were then reinforced with an elaborate bracing system. The earth support systems were installed under difficult constraints, with all trades cooperating to maintain a safe and efficient operation.

On this project, as with all transit and transportation projects J. F. White performs in the Boston area, consideration is given to the construction schedule and location, as well as impacts on transit operations, pedestrians, traffic, and surrounding neighborhoods and businesses. These are all critical components to consider when developing our approach to this type of project.