This is a pre-solicitation notice for a firm-fixed-price supply contract for butterfly valves for the Little Goose Dam, to be performed for the U.S. Army Corps of Engineers' Walla Walla District. The solicitation will be released exclusively on the SAM.gov website, and all offerors must be registered in the SAM system. The contract opportunity is set aside exclusively for small businesses under NAICS code 332911, which has a size standard of 750 employees. No budget, specific performance location, or non-bid timelines are detailed in this notice.