Symmes Road 42 – Inch Transmission Main Rehabilitation

The Butler County Board of Commissioners is seeking qualified engineering firms to design, investigate, and support the rehabilitation of approximately 24,000 ft of a 42‑inch reinforced‑concrete water transmission main on Symmes Road, including associated valve upgrades, bypass piping, and testing/commissioning. The contract follows a traditional design‑bid‑build approach, requiring a detailed design package (30 % through 100 % design), assistance with bid preparation, and construction phase support. The solicitation mandates attendance at a pre‑proposal meeting and sets a hard submission deadline of November 20, 2026. • Scope includes full engineering design, hydraulic and structural analysis, supplemental investigations (survey, CCTV, testing), and construction‑phase services (submittal review, field inspection, commissioning). • Required deliverables: 30 % design, 60 % preliminary design, final bid‑ready drawings & specifications, and ongoing construction support up to final acceptance. • Mandatory pre‑proposal meeting on Oct 28 2026; proposals must be sealed and delivered to the Butler County Commissioners Office by 2 p.m. EST on Nov 20 2026.