This solicitation with all associated attachments will be available for download from www.SAM.gov by 26 June 2025. Attachments will be available before the close of business (5:00 p.m. Atlantic Standa... This solicitation with all associated attachments will be available for download from www.SAM.gov by 26 June 2025. Attachments will be available before the close of business (5:00 p.m. Atlantic Standard Time). Please continue to monitor the SAM.gov website. PROJECT TITLE: RIO PUERTO NUEVO FLOOD CONTROL PROJECT, SUPPLEMENTAL CONTRACT 3: CHANNEL BOTTOM AND WALL IMPROVEMENTS PROJECT LOCATION: SAN JUAN, PUERTO RICO.