The Challenge

  • Vibration and damage complaints
  • Vibration monitoring of 150 historic structures

The “Big Dig” project in Boston, MA was a massive road infrastructure project that began in the early 90s to improve the flow of traffic and alleviate commuter congestion. Early in the project, occupants of the historic buildings began complaining about large vibrations and damage to their buildings.

The Solution

Geocomp provided the Massachusetts Turnpike Authority (now MassDOT) with structural and vibration monitoring services for the Central Artery/Tunnel project that spanned over a 9 year period. The instrumentation system was designed by each independent section designer, one component of which included vibration monitoring of 150 historic structures.

The real-time data provided the contractor timely feedback on the impact of their work on the adjacent structures, which allowed the contractors to adjust their methods as necessary and reduce potential for damaging adjacent sensitive structures.

The readings were verified by Geocomp’s project team and then transmitted electronically to the Program Manager’s GIS database. Data was then further distributed to abutters, contractors, managers and owners.

Services Provided

Real-Time Data & Reporting

Provided timely feedback on the impact of work on the adjacent structures

Vibration Monitoring

Instrumentation and vibration monitoring of 150 historic structures

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