MB358PG9-17.pdf

This is a Scope of Work document from the Massachusetts Bay Transportation Authority (MBTA) for a construction project involving the removal and replacement of existing switches and frogs on the Red Line between Broadway and North Quincy stations. The project encompasses the procurement and installation of high-speed movable point switches and associated track infrastructure to enhance operational efficiency and safety on this critical transit corridor. The work includes removal of existing rail infrastructure, delivery and installation of new switch systems, track geometry corrections, and restoration of the roadbed. The MBTA anticipates issuing the bid documents with a response deadline in the coming months, with construction activities scheduled to commence following the award phase. The contract will be competitively bid, and site visits are available for interested bidders to familiarize themselves with existing conditions and project scope. The contract term will extend through the completion of all construction activities and final acceptance of work by the MBTA.

The pricing structure will be based on lump-sum and unit-price bid items covering mobilization, switch and frog removal, new switch installation, track work, drainage modifications, and restoration activities. The project is funded through the MBTA's capital budget and federal transit funding sources, with the total project cost to be determined through the competitive bidding process. There are no identified set-asides for this procurement. The incumbent contractor information, if applicable, will be noted in the final bid documents. The current environment reflects the MBTA's ongoing commitment to infrastructure renewal and modernization of aging rail systems to support reliable transit service for the Boston metropolitan area.