The U.S. Coast Guard seeks a firm-fixed-price service contract for on-site troubleshooting and repair of the Oily Water Separator flow totalizer system aboard USCGC POLAR STAR, including restoring proper PureBilge system signal receipt and display. All work must be performed at USCGC POLAR STAR, 1519 Alaskan Way S, Seattle, WA 98134, and completed within 10 days of contract award. This procurement is a 100% total small business set-aside under NAICS 336611, with award based on a lowest-priced technically acceptable evaluation of technical capability, past performance, and total price. Offerors must demonstrate capability and relevant past performance, and identify any subcontractors with their scope and percentage of work. No budget amount is specified; offers must be all-inclusive and submitted firm-fixed-price.