This Engineering and Construction Bulletin (ECB) establishes the mandatory use of the UFGS 01 78 24.00 10, “Facility Data Requirements” (Ref. a.) applicable to projects as described below. This specification facilitates procurement of electronic operations and maintenance (O&M) facility data for use by Department of the Army (DA) stakeholders in various systems of record. Use of this specification improves the quality of the data, the flexibility of use, and its portability.