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Request for Proposal (RFP) for Wastewater Treatment Plant Expansion Feasibility Study

City of Riverbank, City of Riverbank, CA·City
Oct 28, 2025
Posted Date
Oct 03, 2025
Submission Deadline
Marisela H. Garcia
Riverbank, CA
Submit at: City of Riverbank, Attention: Marisela H. Garcia, City Manager, 6707 Third Street, Suite A, Riverbank, CA 95367

Summary

The City of Riverbank is seeking qualified firms to evaluate the feasibility of potential projects to expand the treatment and disposal capacity of its Wastewater Treatment Plant (WWTP). The study will assess current system capacity, forecast future demands, evaluate expansion alternatives, and recommend a preferred strategy.

Evaluation Criteria

Proposal Submission (Quality, Conformance, Alignment), Qualifications (Expertise, Experience, Professional qualifications, References), Project and Implementation Plan (Methodology, Approach, Project Management Plan), Pricing

Required Deliverables

Kick-off meeting summary, Data inventory report, Needs assessment report, Flow/load projection models, Alternatives matrix, Preliminary screening report, Alternatives evaluation report, Conceptual site layouts, Cost estimates and comparison tables, Environmental constraints map, Regulatory pathway summary, Final feasibility study report, Executive summary and presentation, Implementation roadmap

Required Attachments

Cover Letter, Company Qualifications, Conflict of Interest Disclosure, Related Experience and References, Scope of Services, Project Schedule, Cost Proposal, Black Water Consulting Engineers Response, Request for Proposals

Required Staffing Roles

Director of Engineering, Principal, Project Manager, Assistant Project Manager, Associate Engineer/Assistant Project Manager, Project Manager, Engineering Intern, Engineer Technician, Assistant Engineer, CAD Technician, Senior CAD Designer, Construction Intern, Construction Engineer, Construction Manager, Administration, Expert Witness

Section 4.2 — Scope of Services and Deliverables

The selected vendor shall provide all labor, materials, equipment, and supervision necessary to perform the services described herein. Work shall commence within fifteen (15) calendar days of the Notice to Proceed and shall be completed within the timeframe specified in the project schedule attached as Exhibit B.

Proposals must include a detailed implementation timeline, staffing plan with key personnel qualifications, and three (3) references from comparable government engagements completed within the past five years. Evaluation will be based on technical approach (40%), experience and qualifications (30%), cost proposal (20%), and small business participation plan (10%).

Source Document Available

The full solicitation document, attachments, and evaluation details are available on Civic IQ. Book a demo to get access.

Frequently Asked Questions

How do I respond to this RFP from City of Riverbank?

To respond, review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is October 3, 2025. Proposals should be submitted to: City of Riverbank, Attention: Marisela H. Garcia, City Manager, 6707 Third Street, Suite A, Riverbank, CA 95367. For questions, contact Marisela H. Garcia.

What are the evaluation criteria for this solicitation?

This solicitation includes specific evaluation criteria that will be used to score proposals. Key factors are outlined in the Evaluation Criteria section above. Vendors should carefully align their proposals with each criterion to maximize their score.

Where can I find more RFPs from City of Riverbank?

Civic IQ tracks all active and historical solicitations from City of Riverbank. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts — giving you a complete picture of the procurement landscape.

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 or licenses, past performance references, and any forms or attachments specified in the solicitation. Review the full document from City of Riverbank for the complete list of required submissions.

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

Most government agencies, including City of Riverbank in CA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Some solicitations include set-aside provisions or evaluation preferences for these firms. Check the full solicitation for any small business participation goals or requirements.

What happens after the RFP submission deadline?

After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This process typically includes an initial compliance check, technical evaluation, cost analysis, and may involve oral presentations or interviews with shortlisted vendors. The timeline from submission to award varies but usually takes several weeks to months.

Can I ask questions about this solicitation before submitting?

Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact for this solicitation is Marisela H. Garcia. Questions and answers are typically shared with all prospective bidders to ensure fairness. Check the solicitation for the question submission deadline and process.

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