This Pre-Solicitation Notice is being issued by the United States Army Corps of Engineers- Chicago District to inform interested vendors of the district?s intent to issue a solicitation for Upper Appleton Wall Repair, Appleton, Outagamie County, Wisconsin. PROJECT INFORMATION: The scope primarily includes removing the existing material on the upstream face of a stacked masonry stone wall, shotcrete, applying a waterproofing system, and replacing the material to the east and west of the Upper Appleton hydropower plant. The existing wall is roughly 150 years old and has had increased seepage over the past decade. It is founded on bedrock and +/- 20 feet tall. The rehabilitation includes about 365 feet west of the hydropower plant and 140 feet east of the hydropower plant. ACQUISITION INFORMATION: Competition for this acquisition is RESTRICTED to SMALL BUSINESS CONCERNS. The North American Industry System Classification Code is 237990, with a small business size standard in dollars of $45 Million. The magnitude of cost for construction is estimated between $5,000,000.00 and $10,000,000.00. The requirement is for 439 calendar days. The solicitation package is planned for advertisement Second Quarter Fiscal Year 2026 and bids are planned to be opened in the Second Quarter of Fiscal Year 2026. The solicitation will be downloadable from the internet only. The project specification files are PDF files and can be viewed, navigated, or printed using Adobe Acrobat Reader. Once the package is released into advertisement at this website, interested bidders may download the full package, which includes- specification and drawing files. IMPORTANT POLICY: Contractors are REQUIRED to be registered in the System for Award Management (SAM) AT THE TIME ITS BID IS SUBMITTED to comply with the annual representations and certifications requirements. Registration can be completed free of charge at www.sam.gov. Contractors must register with sam.gov, prior to registering with the DoD Procurement Integrated Enterprise Environment (PIEE) system. Your firm must register with PIEE in order to access the solicitation and to place a bid in response to the upcoming USACE Solicitation. Use the PIEE System Registration link: ? https://piee.eb.mil and follow the instructions on their website. Request for Solicitation packages made by telephone, fax, or e-mail will not be honored. The Point of Contract for this acquisition is Ericka Hillard at ericka.d.hillard@usace.army.mil. Please include Solicitation number W912P626BA016 on all correspondence.