Functional replacement of the existing track, signals, communications and power facilities that are presently part of the MBTA Red Line Columbia Junction interlocking and adjacent locations.
Our role:
- Fischbach and Moore are responsible for the replacement of existing wayside signals and communications
- 1,500,000’ power & signal cable, 216,000’ Fiber optic cable
- 27,000’ Concrete cable trough raceway & 61,000’ FRE conduit
- Cable Termination House
- 4 Switch Instrument Houses
- 30 Signal & TAK light layouts
- Wiring of 21 switch-and lock movements
- 44 Switch Snowmelt & Third Rail heater cases
- 71 impedance bonds
- Signal rail & traction power bonds
- Cable signal loops
Workforce Required
- 40 electricians
- 3 technicians
Interesting Facts
- Parts of the system have been in place since the opening of the JFK station in 1927
- This project provides signal & communication fiber optic cables between JFK and Downtown Crossing, Andrew, Ashmont, North Quincy, and Southampton MBTA locations.
Execution
- The project has a completion date of 910 days from NTP with the bulk of the work being performed within 37 diversion weekends
- Schedule driven with limited access requiring precise coordination
- Current system must be kept operational during the upgrade
