Construction Services for the Red Line Extension (RLE) - 120th Yard, Shop, and Substation

The Chicago Transit Authority is requesting proposals for construction services on the Red Line Extension 120th Yard, Shop, and Substation project (C26FI103384111), with proposals due September 30, 2026, at 3:30 p.m. CDT. A mandatory pre-proposal meeting is scheduled for August 5, 2026, at 1:00 p.m. via Zoom, and a site visit occurs August 6, 2026, from 8:00 a.m. to 10:00 a.m. CDT at 12120 S Cottage Grove Ave, Chicago, IL 60628.

The scope encompasses comprehensive construction services for yard, shop, and substation facilities supporting the Red Line Extension. The submission package includes geotechnical investigation reports, commissioning plans, environmental soil data, site-specific management and construction plans, and detailed specifications for each facility component. Prospective bidders must provide four submittal packages: a cover letter, technical proposal, responsibility proposal, and price proposal with supporting documentation including DBE schedules and bidder lists.

The RFP requires personal protective equipment at the site visit (hard hats, work boots, safety vests, and safety glasses). Questions are due August 19, 2026, at 3:30 p.m. CDT. Proposals must be submitted through the Chicago Transit Authority's online portal at transitchicago.bonfirehub.com; bidders must register for a Euna Supplier Network account to access complete RFP documents and specifications. Contact Courtney Cannon at ccannon@transitchicago.com for additional information.