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Winona, MN Wastewater Treatment Facility Solids Conditioning and Phosphorus Removal Project

The City of Winona, Minnesota is seeking qualified firms for a major upgrade to its Wastewater Treatment Facility (WWTF) focused on solids conditioning and phosphorus removal. - Government Buyer: - City of Winona, Minnesota (local government) - Project Scope: - Construction of a new sludge thickening building at the WWTF - Upgrades to sludge handling and storage systems - Installation of chemical feed and process equipment for enhanced phosphorus removal - Structural, electrical, and site improvements to support the project - Products/Services Requested: - Sludge thickening building construction - Sludge handling and storage system upgrades - Chemical feed and process equipment installation - Associated structural, electrical, and site improvements - Estimated Construction Cost: - $30 million - Procurement Process: - Two-step process: evaluation of qualifications, then Request for Proposals (RFP) - Unique/Notable Requirements: - Project subject to Minnesota State Prevailing Wage Rates - Firms must demonstrate relevant experience, key personnel, and a strong project approach - No specific OEMs or vendors are named in the notice; the city is open to qualified firms with expertise in wastewater treatment facility upgrades.

Description

This project involves improvements to support solids conditioning and enhanced phosphorus removal at the City of Winona Wastewater Treatment Facility. The work includes construction of a new sludge thickening building, upgrades to sludge handling and storage systems, installation of chemical feed and process equipment, and associated structural, electrical, and site improvements. The goal is to increase treatment reliability, improve solids management, and support regulatory requirements while maintaining plant operations during construction. The project has an estimated preliminary construction cost of $30,000,000 with construction expected to start in February 2027 and final completion by June 29, 2029. The selection process involves evaluation of Statements of Qualification followed by a Request for Proposals.

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