This standard applies to the design of safety-related steel structures and steel elements in nuclear facilities. Structures and structural elements subject to this standard are those steel structures that are part of a safety-related system or that support, house, or protect safety-related systems or components, the failure of which would impair the safety-related functions of these systems or components.
ANSI/AISC N690-2012 history
2012ANSI/AISC N690-2012 Specification for Safety-Related Steel Structures for Nuclear Facilities
2006ANSI/AISC N690-2006 Specification for Safety- Related Steel Structures for Nuclear Facilities
2004ANSI/AISC N690-2004 Design, Fabrication, and Erection of Steel Safety-Related Structures for Nuclear Facilities, Specification for the