# City of Cincinnati Demandstar #275X901192

Design-build upgrades for Little Miami WWTP treatment, disinfection, and pump stations

**Posted:** September 17, 2026
**Respond By:** October 27, 2026
**Identifier:** 275X901192
**NAICS:** 237110, 237990

The City of Cincinnati is seeking a design-build team to upgrade treatment, disinfection, and pumping capabilities at the Little Miami Wastewater Treatment Plant.
- **Government buyer:** City of Cincinnati, Purchasing Division; project site is the Little Miami Wastewater Treatment Plant in Cincinnati, Ohio.
- **Project scope:** A high-rate treatment facility, disinfection facilities, and pump station upgrades.
- **Design-Builder responsibilities:**
  - Analyze project requirements and prepare the design in Phase 1.
  - Provide bidding services and develop a Guaranteed Maximum Price (GMP).
  - Manage construction in Phase 2; the Design-Builder may self-perform individual portions of the work.
- **OEMs, vendors, and products:** None are identified; no product part numbers or quantities are specified.
- **Services requested:** Design and analysis, bidding and GMP preparation, and construction management.

### Description

This procurement will select a Design-Builder to complete the Little Miami WWTP HRT Facility, including a proposed new HRT facility, disinfection facilities, and pump station upgrades. The procurement has two phases: an RFQ followed by an RFP for firms shortlisted by the selection committee. The selected Design-Builder will provide analysis and prepare the design in Phase 1, perform bidding services to prepare a Guaranteed Maximum Price (GMP), and manage construction in Phase 2, potentially self-performing individual pieces of the work.

[View original listing](https://www.demandstar.com/app/limited/bids/550666/details)