How to bid on CTA tank cleaning and fuel polishing services

What CTA is buying

The Chicago Transit Authority (CTA) is seeking tank cleaning and fuel polishing services for a 36-month period. This is a rebid issued as an invitation for bids, or IFB, and is listed under Facilities Maintenance.

The opportunity may suit vendors whose work includes tank cleaning and fuel polishing. The solicitation documents provide the full details.

Deadline and submission

Bids are due October 23, 2026, at 3:00 PM ET. The solicitation is identified as B25OP04701R.

Your response must be submitted through Bonfire before the deadline. Check the solicitation documents for the exact submission instructions and allow time to complete the portal process.

Who this opportunity may suit

This IFB is relevant to firms that provide tank cleaning and fuel polishing services. Review the solicitation documents to confirm whether your services and capacity fit CTA’s stated requirements.

How to access the bid

Open the opportunity’s Bonfire page using “View original source.” The page opens in a web browser, and you can view the opportunity publicly without an account.

To download the documents and submit a response, register a free vendor account in Bonfire. Use the solicitation’s instructions to complete and submit your bid before the deadline.

Prepare a careful response

Read the full solicitation, including every form and submission instruction. Because this is a non-negotiable IFB, prepare your offer to meet the stated terms rather than relying on later negotiations.

Check that your response addresses the requested services, that required documents are complete, and that your Bonfire submission is finished before the deadline. Keep a copy of your final submission for your records.