Historic Stone Masonry and Retaining Wall Rehabilitation

This subcontract involves the rehabilitation of a 90-foot historic mortared limestone retaining wall located at Ste. Genevieve National Historical Park. The scope of work requires carefully hand dismantling the existing wall, salvaging the original stones, and reconstructing the structure using lime mortar mixed at a ratio of 1:2.5. The project emphasizes preservation techniques, including temperature-controlled repointing to ensure the long-term durability and historical integrity of the masonry. Issued by the Department of the Interior under the Mwr Midwest REGION, this contract is designated as a Total Small Business Set-Aside under the FAR 19.5 guidelines, with NAICS code 238190 relevant to masonry and stonework. The work will be performed in Farmington, with responses due by July 13, 2026. The contract highlights both preservation craftsmanship and structural rehabilitation in a historic environment, requiring specialized skills in historic stone masonry.