Nampa WWTP Phase II Upgrades PGF Rotary Press

The project involves the installation of a new rotary press unit within the Sludge Holding Facility at the Nampa Wastewater Treatment Plant, as part of the Phase II upgrades. The scope includes not only the rotary press but also the installation of two conveyors—one horizontal and one inclined—to transport dewatered sludge to existing transfer conveyors. The transfer conveyors will be extended to accommodate the discharge from the new rotary press, ensuring a seamless process flow. The owner anticipates completing the project within approximately 120 days, with an estimated construction cost ranging from $500,000 to $1,500,000. The bidding process is scheduled with a bid opening on October 30, 2025, and the solicitation was posted on October 16, 2025, with responses due by November 6, 2025. The bidding documents, including specifications, technical drawings, and contract forms, are publicly available through the City of Nampa’s designated website. An addendum issued on October 22, 2025, clarifies changes to the bid schedule, instructions, and scope details, and addresses bidder questions. The project is part of the City of Nampa’s efforts to upgrade its wastewater treatment infrastructure, with an estimated total project cost around $1.85 million. The contract is classified under NAICS code 221320, indicating its focus on water supply and treatment services, and is managed by the City of Nampa in Idaho.