Bid guide
How to bid on Cleaning and Repair Service for Rail Car Pre-Filters for CTA
What the CTA is buying and why it matters
The Chicago Transit Authority (CTA) is looking for a vendor to provide cleaning and repair services for rail car pre-filters. This contract will cover services for up to 36 months. This is a re-bid opportunity, meaning the CTA is seeking new proposals for this ongoing need.
For vendors, securing a contract with the CTA for these services offers a stable, long-term engagement with a major public transit agency. It's an opportunity to provide essential maintenance that keeps their rail fleet operational.
Key dates and what happens at the deadline
The deadline for submitting your bid is August 26, 2026, at 8:00 PM ET. All submissions must be completed by this time.
It is crucial to submit your response well before the deadline to avoid any last-minute technical issues. Late submissions are typically not accepted for Invitation for Bids (IFBs).
Who this opportunity suits
This opportunity is suitable for firms specializing in industrial cleaning, filter maintenance, and repair services, particularly those with experience handling components for transportation or heavy machinery. Vendors with expertise in facilities maintenance, specifically related to air filtration systems, would be a good fit.
The relevant category for this work is facilities maintenance, focusing on specialized cleaning and repair services for equipment components.
How to respond to this solicitation
To access the solicitation documents and submit your response, you need to use the CTA’s Bonfire procurement portal. You can view the opportunity publicly without an account.
To download the full solicitation documents and submit your bid, you will need to register a free vendor account on the Bonfire portal. Once registered, you can access all necessary files and complete your submission before the deadline.
Tips for preparing a competitive response
For an Invitation for Bids (IFB), your focus should be on providing a clear, complete, and competitive price for the services requested. Ensure your bid directly addresses all specifications and requirements outlined in the solicitation documents.
Carefully review the scope of work to understand the exact nature and frequency of cleaning and repair services needed. Highlight your firm's experience with similar projects, especially those involving critical infrastructure or transportation equipment. Double-check all calculations and ensure your pricing is accurate and transparent.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Chicago Transit Authority (CTA); the original posting controls.