Central Tunnel - Package 1 (Signal Upgrades), Boston, MA

Please review the complete notice to bidders to access the full legal version of this solicitation.

Work consists of signal work, communications work, and electrical work necessary to facilitate the replacement of 25Hz track circuits associated with existing signal control cases at Copley, Park Street and Government Center stations, and the addition of a new fiber cable between North Station and all westerly portals throughout the Green Line Central Tunnel as described in the drawings and specifications. A more detailed description of the work is provided in section 01010 Summary of Work.

Note: Contract specifications and drawings are available for download from an MBTA FTP site.
Click here to be put on the Planholders list, and request a copy of the contract specifications and drawings.

All bids must be submitted electronically at: www.Bidx.com

Bids Must Be Received By: 07/10/2025 At 10:00 AM

Immediately thereafter, the Bids will be opened and read publicly on a virtual on-line meeting.
Bid Opening Link: https://teams.microsoft.com/l/meetup-join/19%3ameeting_MjdkNGU1ZDctM2UzYy00NWQwLWJhODUtMWMyNWM5MTJlZWJm%40thread.v2/0?context=%7b%22Tid%22%3a%227558e599-f006-481f-9717-b189e6730862%22%2c%22Oid%22%3a%2236fca430-d9fe-4739-a49e-50200dad3d6b%22%7d

Authorization for the Bidders to view the site of work on the MBTA's property shall be obtained by:

*. Bidders are advised that they should have representation at this tour as no extra visits are planned.
**. Any request for interpretation of the Plans and Specifications should be submitted in writing at the same time.

• View Complete Notice to Bidders
• Contractor's Networking List
• Q21CN01 Planholders List