D02CN02 Back Back Station Ventilation, Power and Concourse Improvements

The Massachusetts Bay Transportation Authority is seeking bids for the D02CN02 Back Back Station Ventilation, Power and Concourse Improvements project. The project involves the replacement of existing tunnel ventilation equipment at multiple locations, the installation of jet fans in the Southwest Corridor Tunnel, the replacement of the station's existing electrical substation, the construction of a new Eversource network transformer vault and incoming feeders, and various state-of-good-repair improvements at the station. • The project requires the replacement of existing tunnel ventilation equipment • The installation of jet fans in the Southwest Corridor Tunnel • The replacement of the station's existing electrical substation • The construction of a new Eversource network transformer vault and incoming feeders • Various state-of-good-repair improvements at the station