This Guide provides an acceptable approach for safety design of Department of Energy (DOE)
hazard category 1, 2 and 3 nuclear facilities for satisfying the requirements of DOE Order
420.1C, Facility Safety, Attachment 2, Chapter I, Nuclear Safety Design Criteria.
DOE guides are part of the DOE Directives System and are issued to provide supplemental
information regarding the Department’s requirements as contained in rules, orders, notices, and
technical standards. Guides also provide acceptable methods for implementing these