North of River Sanitary District - WRRF Expansion - 0012109.02 (2026)
North of River Sanitary DistrictUtility District · Bakersfield, CA- Due
- Sep 17, 2026
- Deadline passed
- Posted
- Jun 1, 2026
- Primary contact
- Patrick Ostly
The 30-second brief
North of River Sanitary District invites sealed bids for the District No. 1 Water Resource Recovery Facility (WRRF) Expansion in Bakersfield, CA. The project includes preliminary and primary treatment expansion, coarse and fine screens, influent pumps, grit removal units, primary clarifiers, secondary liquid treatment with membrane bioreactors, anaerobic digesters, gas storage, screw press, rotary drum thickeners, sludge pumping, potable and recycled water pumping systems, plant drain pump station, emergency storage tank, yard piping, medium-voltage electrical distribution system, and standby generators. Bids are due by September 17, 2026, at 10:00 am local time at 204 Universe Avenue, Bakersfield, CA 93308. A mandatory pre-bid conference will be held on July 28, 2026, at 8:00 am at 28970 7th Standard Road, Shafter, CA 93263. Bid security of 10 percent is required. The project is funded through the WIFIA program with Davis-Bacon prevailing wage requirements.
Membrane Bioreactor, Blowers, Mixers and Aerators, Fine Screens, Grit removal unit, Electraulic Actuators
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Summary
North of River Sanitary District invites sealed bids for the District No. 1 Water Resource Recovery Facility (WRRF) Expansion in Bakersfield, CA. The project includes preliminary and primary treatment expansion, coarse and fine screens, influent pumps, grit removal units, primary clarifiers, secondary liquid treatment with membrane bioreactors, anaerobic digesters, gas storage, screw press, rotary drum thickeners, sludge pumping, potable and recycled water pumping systems, plant drain pump station, emergency storage tank, yard piping, medium-voltage electrical distribution system, and standby generators.
Bids are due by September 17, 2026, at 10:00 am local time at 204 Universe Avenue, Bakersfield, CA 93308. A mandatory pre-bid conference will be held on July 28, 2026, at 8:00 am at 28970 7th Standard Road, Shafter, CA 93263. Bid security of 10 percent is required. The project is funded through the WIFIA program with Davis-Bacon prevailing wage requirements.
REQUIRED DELIVERABLES
6- Membrane Bioreactor
- Blowers
- Mixers and Aerators
- Fine Screens
- Grit removal unit
- Electraulic Actuators
REQUIRED ATTACHMENTS
Bid security in the amount of 10 percent of the Bid
- Submit to
- 204 Universe Avenue, Bakersfield, CA 93308
- Scope location
- Bakersfield, CA
Questions about this BID
How do I respond to this Bid from North of River Sanitary District?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is September 17, 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: 204 Universe Avenue, Bakersfield, CA 93308. For questions, contact Patrick Ostly.
Can small businesses or minority-owned firms bid on this Bid?
Most government agencies, including North of River Sanitary District 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 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 Patrick Ostly. Questions and answers are typically shared with all prospective bidders.
What are the key deliverables?
The solicitation specifies the following deliverables: Membrane Bioreactor, Blowers, Mixers and Aerators, Fine Screens, Grit removal unit, Electraulic Actuators. Proposals should clearly address how each deliverable will be met.
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Where can I find more RFPs from North of River Sanitary District?
All active and historical solicitations from North of River Sanitary District are tracked and searchable. As a utility district agency, North of River Sanitary District 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: Bid security in the amount of 10 percent of the Bid. Review the full document from North of River Sanitary District for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Bakersfield, CA. Review the full solicitation for detailed scope requirements.