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San Bernardino County Transportation Authority - Hydrology and Hydraulic Study of San Gabriel Subdivision - RFP 26-1003492 (2026)

San Bernardino County Transportation Authority
Due
Oct 8, 2026
Deadline passed
Posted
Sep 10, 2026
Duration
9 months
Primary contact
Natalie Lopez
(909) 884-8276

The 30-second brief

What they're buying

San Bernardino County Transportation Authority invites proposals for a hydrology and hydraulic study of the San Gabriel Subdivision, spanning approximately 21 miles of railroad right-of-way from the Los Angeles County line to Rancho Avenue in San Bernardino, CA. The scope includes site assessment, field reconnaissance, hydrologic data collection, infrastructure assessment, soil desktop investigation, hydrologic modeling (SWMM), one-dimensional hydraulic modeling (HEC-RAS), and flood risk assessment using 10-year and 10-year rainfall events. The contract uses a firm fixed price structure with a completion timeline of up to 9 months. Proposals are due by 2:00 p.m. on October 8, 2026, via the PlanetBids Vendor Portal. A virtual pre-proposal conference is scheduled for September 17, 2026, and written questions are due by September 24, 2026.

How it's scored

Qualifications, Related Experience and References (30 points), Proposed Staffing and Project Organization (40 points), Work Plan (30 points), Interviews (55% weight relative to 45% technical proposal)

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Summary

San Bernardino County Transportation Authority invites proposals for a hydrology and hydraulic study of the San Gabriel Subdivision, spanning approximately 21 miles of railroad right-of-way from the Los Angeles County line to Rancho Avenue in San Bernardino, CA. The scope includes site assessment, field reconnaissance, hydrologic data collection, infrastructure assessment, soil desktop investigation, hydrologic modeling (SWMM), one-dimensional hydraulic modeling (HEC-RAS), and flood risk assessment using 10-year and 10-year rainfall events.

The contract uses a firm fixed price structure with a completion timeline of up to 9 months. Proposals are due by 2:00 p.m. on October 8, 2026, via the PlanetBids Vendor Portal. A virtual pre-proposal conference is scheduled for September 17, 2026, and written questions are due by September 24, 2026.

EVALUATION CRITERIA

Qualifications
Related Experience and References30 pts
Proposed Staffing and Project Organization40 pts
Work Plan30 pts
Interviews (55% weight relative to 45% technical proposal)

REQUIRED ATTACHMENTS

4
  • Certificate of Compliance With Insurance Requirements
  • Disclosure of Campaign Contributions to Board of Directors
  • Consultant Questionnaire
  • Cover Letter
Submit to
https://www.gosbcta.com
Scope location
San Bernardino, CA

Questions about this RFP

How do I respond to this RFP from San Bernardino County Transportation Authority?

Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is October 8, 2026. Be sure to include all required attachments as outlined in the solicitation. Submissions should be delivered to: https://www.gosbcta.com. For questions, contact Natalie Lopez.

Can small businesses or minority-owned firms bid on this RFP?

Most government agencies, including San Bernardino County Transportation Authority in CA, 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 RFP 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 Natalie Lopez at (909) 884-8276. Questions and answers are typically shared with all prospective bidders.

Show 5 more questions

What are the evaluation criteria for this solicitation?

This solicitation includes specific evaluation criteria that will be used to score proposals. The criteria include: "Qualifications, Related Experience and References (30 points), Proposed Staffing and Project Organization (40 points), Work Plan (30 points), Interviews (55% weight relative to 45% technical proposal)" Vendors should carefully align their proposals with each criterion to maximize their score.

Where can I find more RFPs from San Bernardino County Transportation Authority?

All active and historical solicitations from San Bernardino County Transportation Authority are tracked and searchable. As a public authority agency, San Bernardino County Transportation Authority regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.

What is the contract term for this solicitation?

The anticipated contract term is 9 months. Contract terms may include renewal options.

What documents are required to bid on this RFP?

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: Certificate of Compliance With Insurance Requirements, Disclosure of Campaign Contributions to Board of Directors, Consultant Questionnaire, Cover Letter. Review the full document from San Bernardino County Transportation Authority for the complete list.

What is the scope of this project?

This solicitation defines a specific project scope. The scope covers the following locations: San Bernardino, CA. Review the full solicitation for detailed scope requirements.

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