A85 Interlocking Renewal Project

The A85 Interlocking Renewal Project involves the complete replacement of an aging railway interlocking system located on BART’s mainline northwest of Fremont Station in California. This critical infrastructure manages switches and signals to ensure safe train movements and support maintenance operations, and its replacement is necessary to prevent future service disruptions caused by system unreliability. The scope includes removing and installing new track components such as running rails, guard rails, switch points, frogs, plates, ties, and the top layer of ballast, along with new traction power and train control systems. Underground ductbanks will be installed during five scheduled weekend overnight track outages, with construction staging conducted from the North Parking Lot within BART’s right-of-way. Work must adhere to BART Facilities Standards, Project Specification A85 Interlocking Track Replacement (August 2023), and IFC Submittal Volume 2, with all equipment meeting USEPA Tier 4 Final emissions standards and stormwater controls complying with the Clean Water Act. The project is located at 2000 Bart Way, Fremont, CA 94536, and all construction, inspection, and acceptance activities occur on-site. Inspection responsibilities rest with BART as the government agency overseeing the work, though no formal COR, COTR, or PCO are identified in available materials. Performance is tied to specific weekend construction windows during which BART service is suspended between Union City and Warm Springs Stations, with bus bridges provided for passengers. No contract value, payment office details, accounting codes, invoicing method, or FAR clauses are disclosed, and the documentation reflects pre-solicitation environmental compliance under CEQA rather than a finalized contract. The project has been classified under NAICS code 237990 and is managed by BART’s Project Manager, Mark Dana, and Manager of Environmental Review, Donald Dean, with no information provided on offeror representations, socioeconomic set-asides, or procurement evaluation factors.