The U.S. Coast Guard is seeking contractors to clean the underwater body of the USCGC JOHN PATTERSON and renew bolt-on zinc anodes while the vessel is moored pier side. The performance location is 427 Commercial Street, Boston, MA 02109, with a period of performance from June 1-5, 2026. The government will furnish specific anodes and hardware at estimated costs ranging from $1.81 to $618.85 per unit. This is a total small business set-aside under NAICS 336611, and the award will be a firm-fixed price purchase order based on best value. Contractors must be registered in SAM and provide a detailed cost breakdown with their quote.