Pre–Solicitation NoticeNotice of Intent to Sole SourcePer FAR 5.203, this is a Notice of Intent of a proposed contract action to sole source. This is not a solicitation. The U.S. Army Corps of Engineers intends to negotiate a sole source modification to a contract with Massman Construction Co, 4400 W 109th St. Suite 300, Overland Park, KS 66211–1319, for the emergency replacement of a downstream guide cell at Lock and Dam 25 in Winfield, MO. The contractor will provide materials and labor to reconstruct a failed guide cell. Since the intent is to procure this on a sole source basis, no solicitation will be posted to Contracting Opportunities SAM.gov.The authority for this action is FAR 6.302–2 Unusual and compelling urgency.NAICS: 237990 – Other Heavy and Civil Engineering ConstructionSmall Business Size Standard: $45,000,000Interested persons may contact the Contracting Officer by email at [email? redacted] regarding this procurement. The determination to conduct a competitive procurement based on responses to this notice is solely within the discretion of the Contracting Officer.