Presolicitation notice from the Department of Defense, specifically the Department of the Army, is seeking construction management services for Sentinel projects primarily within the Northwestern Division (NWD) of the US Army Corps of Engineers (USACE). The contract is valued at $249M and will involve the award of four firm fixed price Indefinite Delivery Contracts (IDCs) with a seven-year performance period. The services required include onsite construction management staff augmentation, support for pre-construction conferences, contractor submittal reviews, safety and quality assurance plan development, surveillance of onsite activities, documentation of daily on-site efforts, participation in quality control inspection processes, assistance with contract modifications and claims, support in schedule development and analysis, and preparation of change documents. Interested parties must register in the System for Award Management (SAM) database to access solicitation documents. The primary contact for this project is Jennifer Gilbreath at jennifer.c.gilbreath@usace.army.mil, and the secondary contact is John Solomon at john.s.solomon@usace.army.mil.