scope:

The provision of this specification shall apply to the design, fabrication, and erection of steel safety-related structures and structural elements for nuclear facilities.

The provisions of this Specification shall also apply to composite structures consisting of structural steel and concrete.

The engineers of any system of design or construction within the scope of this specification, the adequacy of which has been shown by successful use or by analysis or test, but which does not conform to or is not covered by this Specification, shall have the right to present the data on which their design is based to the Regulatory Authority for review and approval.

Structures and structural elements subject to this Specification are those steel structures which are parts of the nuclear safety-related system or which support, house, or protect nuclear safety-related systems or components, the failure of which would impair the safety-related functions of these systems or components.

Safety categorization for nuclear facility steel structures elements shall be the responsibility of the Owner or his agent.

Specifically excluded from this Specification are pressure retaining components, e.g., pressure vessels, valves, pumps and piping.

A quality assurance program covering nuclear safety-related steel structures shall be developed prior to starting any work. The general requirements and guidelines for establishing and executing the quality assurance program during the design and construction phases of nuclear facilities are those established by Title 10 of the Code of Federal regulations, Part 50 (10CFR50), Appendix B for Nuclear Power Stations.