This Engineering and Construction Bulletin (ECB) provides clarification for energy optimization and LCCA for compliance with federal regulations, Unified Facilities Criteria, and Army policy. Additionally, it addresses electrification impacts, and reinforces existing guidance.

The Air National Guard (ANG) Design Objectives and Procedures, developed by the National Guard Bureau (NGB)/A4I, is established to define the overall objectives in accomplishing the ANG facilities design and construction management program and the procedures to be followed in achieving that end.