The TI 800-01 supersedes the Architectural and Engineering Instructions (AEI), Design Criteria, dated 3 July 1994, and will be used for all Army projects and, where appropriate, for projects executed for other military services and work-for-others customers. The implementation of TI 800-01 is considered to have routine application as defined by ER 1110-345-100, i.e., the document shall be applied in all future projects and in current projects that have not exceeded the 35 percent concept design stage.