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Johnston County outlines $73.5M water-plant expansion, dozens of wastewater upgrades
Summary
Johnston County engineering staff updated commissioners on the 2024 capital improvement plan, reporting a nearly $73.5 million guaranteed-maximum-price for the Timothy G. Broom water treatment expansion (completion delayed to June 2026), multiple wastewater plant and pump-station upgrades, PFAS pilot studies and SCADA modernization plans.
Kim Rainier, engineering manager for Johnston County Public Utilities, told the Board of Commissioners on Jan. 5 that the county is moving ahead with a multi-year capital improvement program that includes a nearly $73,500,000 guaranteed-maximum-price (GMP) for the expansion of the Timothy G. Broom Water Treatment Plant.
Rainier said the $73.5 million GMP was negotiated under a progressive design-build delivery with TA Loving as contractor, Hazen & Sawyer as engineer and McKim & Creed as a subcontractor. She said the project — intended to raise overall capacity from about 14 million gallons per day to 18 million gallons per day — had been expected to finish in June 2025 but is now projected to be complete in June 2026 because of supply-chain constraints and limited contractor capacity. “It’s a whole series of them, but we’re gonna get there,” Rainier said.
The county has paid out roughly $70 million so far against the GMP, Rainier reported. She explained that the GMP contains project…
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