Engineering Services for Zimper Creek Sewer Improvement Project
City of SebastopolCity · Sebastopol, CA- Due
- Oct 8, 2026
- Deadline passed
- Posted
- Sep 16, 2026
- Primary contact
- Elissa Overton
- (707) 823-5331
The 30-second brief
The City of Sebastopol is seeking professional engineering services for the Zimper Creek Sewer Improvement Project (CIP #0610-70.00) located near Murphy Avenue and Zimpher Avenue. The scope involves evaluating the existing public sewer main, conducting a study of existing conditions, preparing preliminary design reports, 50% and 90% construction drawings, technical specifications, and final bidding documents, as well as providing bidding and construction assistance. The project aims to address flooding, washouts, and erosion around existing sewer manholes while maintaining sewage flows from the tributary area serving approximately 183 houses and 8 commercial properties. Proposals are due by October 8, 2026, at 2:00 PM, and respondents must be pre-qualified consultants.
Formal correspondence, Drawings, Meeting notes, Studies, Reports, Appendices, And supporting data; Preliminary Design Report; 50% preliminary design drawings and preliminary Engineer's Cost Estimate; 90% design drawings, Technical Specifications, And updated Engineer's Cost Estimate; 100% design drawings, Full Contract Specifications, And final Engineer's Cost Estimate; Record drawings following construction
Responsiveness to solicitation and understanding of project, Proposal documentation of demonstrated relevant experience, General qualifications and experience of the firm and key individuals, Clarity of proposal, Information obtained from reference checks
Hear what Sebastopol plans next before it's posted.
Get alerts freeFree account · 30-second setup · No credit card
Summary
The City of Sebastopol is seeking professional engineering services for the Zimper Creek Sewer Improvement Project (CIP #0610-70.00) located near Murphy Avenue and Zimpher Avenue.
The scope involves evaluating the existing public sewer main, conducting a study of existing conditions, preparing preliminary design reports, 50% and 90% construction drawings, technical specifications, and final bidding documents, as well as providing bidding and construction assistance. The project aims to address flooding, washouts, and erosion around existing sewer manholes while maintaining sewage flows from the tributary area serving approximately 183 houses and 8 commercial properties. Proposals are due by October 8, 2026, at 2:00 PM, and respondents must be pre-qualified consultants.
EVALUATION CRITERIA
5- Responsiveness to solicitation and understanding of project
- Proposal documentation of demonstrated relevant experience
- General qualifications and experience of the firm and key individuals
- Clarity of proposal
- Information obtained from reference checks
REQUIRED DELIVERABLES
6- Formal correspondence, Drawings, Meeting notes, Studies, Reports, Appendices, And supporting data
- Preliminary Design Report
- 50% preliminary design drawings and preliminary Engineer's Cost Estimate
- 90% design drawings, Technical Specifications, And updated Engineer's Cost Estimate
- 100% design drawings, Full Contract Specifications, And final Engineer's Cost Estimate
- Record drawings following construction
REQUIRED ATTACHMENTS
6- Master Agreement Extension Request
- Fee Estimate in a sealed separate envelope
- Letter of transmittal
- Documentation of Northern California public agency projects
- General billing information and hourly rates
- Certificates of Insurance
REQUIRED STAFFING
4- Submit to
- Attn: Elissa Overton, Engineering Technician II, Sebastopol Public Works, 714 Johnson Street, Sebastopol, CA 95472 and [email protected]
- Scope location
- Sebastopol, CA
Questions about this RFP
How do I respond to this RFP from City of Sebastopol?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is October 8, 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: Attn: Elissa Overton, Engineering Technician II, Sebastopol Public Works, 714 Johnson Street, Sebastopol, CA 95472 and [email protected]. For questions, contact Elissa Overton.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including City of Sebastopol 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 Elissa Overton at (707) 823-5331. Questions and answers are typically shared with all prospective bidders.
What staffing is required for this project?
This solicitation outlines specific staffing requirements. The required roles include: Project Manager, Lead Engineer, Construction Manager, Lead Inspector. Proposers should demonstrate relevant qualifications and experience for each required role.
What are the key deliverables?
The solicitation specifies the following deliverables: Formal correspondence, Drawings, Meeting notes, Studies, Reports, Appendices, And supporting data; Preliminary Design Report; 50% preliminary design drawings and preliminary Engineer's Cost Estimate; 90% design drawings, Technical Specifications, And updated Engineer's Cost Estimate; 100% design dra. Proposals should clearly address how each deliverable will be met.
Show 4 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: "Responsiveness to solicitation and understanding of project, Proposal documentation of demonstrated relevant experience, General qualifications and experience of the firm and key individuals, Clarity..." Vendors should carefully align their proposals with each criterion to maximize their score.
Where can I find more RFPs from City of Sebastopol?
All active and historical solicitations from City of Sebastopol are tracked and searchable. As a city agency, City of Sebastopol 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 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: Master Agreement Extension Request, Fee Estimate in a sealed separate envelope, letter of transmittal, documentation of Northern California public agency projects, general billing information and hour. Additionally, proposals should address staffing requirements as outlined in the solicitation. Review the full document from City of Sebastopol for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Sebastopol, CA. Review the full solicitation for detailed scope requirements.