The City of Bakersfield is seeking an engineering consulting firm to provide full design services (pre‑liminary design, detailed design, bidding support, and construction observation) for Phase 0 upgrades of its two municipal wastewater treatment plants (WWTP 2 – a 25 MGD trickling‑filter plant, and WWTP 3 – a 32 MGD activated‑sludge plant). The consultant will be responsible for project management, preparation of Preliminary Design Reports, detailed design packages, bid‑phase assistance, and construction‑phase services, with separate fee line items for each plant. The scope includes modernizing influent pumping, primary and secondary treatment equipment, solids handling, odor control, and associated non‑process facilities. The contract may be awarded for one or both plants, and the design phase is expected to last up to 30 months for Plant 2 and up to 18 months for Plant 3.
• Full‑service engineering design for Phase 0 upgrades of two wastewater plants (trickling‑filter and activated‑sludge).
• Separate fee structures for project management, preliminary design, detailed design, bidding support, and construction observation.
• Mandatory submission of six copies of the SOQ, signed General Information Sheet, and signed sample agreement by November 19, 2026.
• Optional site‑visit/ pre‑bid meeting on October 21, 2026; questions due by November 9, 2026.