City of Thornton Flashing Yellow Arrow Signal Modifications Bid 23-208 - CDOT SHO M286-056 / 25527
City of Thornton cityCity · Thornton city, CO- Due
- May 20, 2026
- Deadline passed
- Posted
- Apr 20, 2026
- Primary contact
- Keith Griess
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THE 30-SECOND BRIEF
The City of Thornton is soliciting bids to convert traffic signal heads from Protected-Permissive Left Turn to Flashing Yellow Arrow. The project is grant-funded through CDOT with an estimated cost of $1,500,000 and a deadline of May 20, 2026.
Bid Proposal, Certified check or bid bond, CDOT Form #606, CDOT Form #1413, CDOT Form #605, CDOT Form #621
SUMMARY
The City of Thornton is soliciting bids to convert traffic signal heads from Protected-Permissive Left Turn to Flashing Yellow Arrow. The project is grant-funded through CDOT with an estimated cost of $1,500,000 and a deadline of May 20, 2026.
REQUIRED DELIVERABLES
6- Bid Proposal
- Certified check or bid bond
- CDOT Form #606
- CDOT Form #1413
- CDOT Form #605
- CDOT Form #621
REQUIRED ATTACHMENTS
14- Exhibit A-Special Conditions
- Exhibit B-General Conditions
- Exhibit C-Drawings
- Exhibit D-Schedule of Contract Pay Items and Prices
- Exhibit E-Contractor's Subcontractor Listing
- Exhibit F-Performance Bond
- Exhibit G-Insurance Requirements
- Exhibit H-Standard Concrete Specifications
- Exhibit I-Sample Notice of Award
- FHWA Form 1273
- CDOT Standard Special Provisions
- Project Special Provisions
- Davis Bacon Wage Determination
- Appendix A
- Submit to
- Thornton City Hall (2nd floor), 9500 Civic Center Drive, Thornton, CO 80229-4326
- Scope location
- Thornton, CO
- Reported agency
- City of Thornton
Questions about this RFP
How do I respond to this Bid from City of Thornton city?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is May 20, 2026. The solicitation specifies required deliverables that must be addressed in your response. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: Thornton City Hall (2nd floor), 9500 Civic Center Drive, Thornton, CO 80229-4326. For questions, contact Keith Griess.
Can small businesses or minority-owned firms bid on this Bid?
Most government agencies, including City of Thornton city in CO, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the Bid submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Keith Griess. Questions and answers are typically shared with all prospective bidders.
What are the key deliverables?
The solicitation specifies the following deliverables: Bid Proposal, Certified check or bid bond, CDOT Form #606, CDOT Form #1413, CDOT Form #605, CDOT Form #621. Proposals should clearly address how each deliverable will be met.
Can I search Bids like this in ChatGPT or Claude?
Yes. Civic IQ has an MCP server that connects ChatGPT, Claude and other AI assistants to live Civic IQ data: open RFPs, pre-RFP signals from public meetings, awarded contracts and agency decision-makers across 100,000+ US public agencies. Add https://beta.mcp.civiciq.com/mcp as a connector (in ChatGPT under Settings > Apps & Connectors, in Claude under Settings > Connectors) and sign in with a free Civic IQ account at civiciq.com/mcp.
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Where can I find more RFPs from City of Thornton city?
All active and historical solicitations from City of Thornton city are tracked and searchable. As a city agency, City of Thornton city regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
What documents are required to bid on this Bid?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. This solicitation specifically requires the following attachments: Exhibit A-Special Conditions, Exhibit B-General Conditions, Exhibit C-Drawings, Exhibit D-Schedule of Contract Pay Items and Prices, Exhibit E-Contractor's Subcontractor Listing, Exhibit F-Performance. Review the full document from City of Thornton city for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Thornton, CO. Review the full solicitation for detailed scope requirements.