Indefinite Delivery Architect-Engineer Services Contract for Hydrographic and Field Surveying, and Related Services, USACE ? Saint Louis District

The U.S. Army Corps of Engineers, St. Louis District, is soliciting proposals under an Indefinite Delivery/Indefinite Quantity (IDIQ) contract for Architect and Engineering Services focused on hydrographic and field surveying and related services. The solicitation, identified by number W912P926RA005, was posted on April 30, 2026, with a response deadline of May 14, 2026. This combined solicitation is allocated under NAICS code 541370, which covers surveying and mapping services, and is open to all eligible contractors without set-aside restrictions. Work will be performed primarily in Saint Louis, Missouri, with potential for task orders to be issued throughout the contract period to support a range of hydrographic, geospatial, and field surveying missions critical to USACE operations. The primary point of contact for inquiries is Michelle Person, reachable via email or phone provided in the solicitation details. Amendment 0001 has been issued to update the synopsis and include a formal Q&A section that clarifies contractor questions and the government’s official responses, ensuring transparency and consistency in proposal preparation. The contract will be managed by the Department of Defense through the Saint Louis District office, and all deliverables must align with federal standards for accuracy, timeliness, and data integrity. Contractors are expected to possess proven experience in hydrographic surveying, field data collection, and the technical capabilities to support dynamic mission requirements across varying environments. Proposals must be submitted by the stated deadline to be considered, and awardees will be selected based on technical merit, past performance, and cost-effectiveness under the IDIQ framework, allowing for multiple task orders to be issued over the life of the contract.