This is a combined synopsis/solicitation for commercial construction services to replace fire hydrants at the National Mall in Washington, D.C. The contract will be a firm-fixed-price award, 100% set aside for small businesses under NAICS 237110. Performance is anticipated to begin in October 2026, with award anticipated in late summer 2026. A site visit is scheduled for September 2, 2026 at the East Potomac Maintenance Yard in Washington, D.C. Interested contractors must be registered in SAM and have a Unique Entity Identifier to be considered.