MBTA On Call Contracts

Project Overview:

• 2022 Orange Line Shutdown:
  • Completed brick repairs and tactile edge concrete repairs at Green Street, Roxbury Crossing, and Ruggles stations. Completed concrete stair repairs at Tufts and Forest Hills Stations.
• Alewife Parking Garage
  • Performed emergency response to remove 5-ton section of concrete barrier that had fallen onto Alewife Station when a driver hit the side of the garage.
  • Completed emergency steel repairs, installed temporary roof, and installed shoring towers while permanent repairs are being designed.
  • Installed 60’ new concrete barrier in place of the old one.
• Tremont Street Tunnel Steel Repairs
  • Assisted with weekend inspection work and identified (4) tunnel sections in need of critical repairs between Boylston Station and Park Street.
  • Performed critical steel repair erection at (3) locations in November 2023 using specialty engineered construction methods due to track access constraints.
  • Completed final repair at Boylston Station in January 2024 in conjunction with ongoing track improvements. Work involved removing a section of the Green Line tunnel roof and pouring a new concrete slab in its place.
• 853 Main Street Emergency Egress Repairs
  • SPS replaced a concrete slab on the sidewalk on Main Street in Cambridge, MA during a TIP surge in July 2024.
  • Work involved setting up temp access from scaffolding in the Red Line tunnel, demolishing the existing slab and adjacent sidewalk panels, and pouring new concrete at street level.

Key Challenges Overcome:

Working with multiple project teams, agencies, and engineering consultants through hazard mitigation and various critical infrastructure findings response.

Interesting Facts / Figures

• SPS utilized a daily labor force of up to 33 skilled tradesmen throughout the month-long shutdown of the Orange Line in 2022.
• Alewife Station lobby closed for 7 weeks to allow access for SPS to install temporary roofing and shoring towers.
• SPS has worked in conjunction with the MBTA and over 10 engineering firms to date on this contract.