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John Livingston's

The Nuclear Electrical Engineer

An educational resource for electrical engineers in the nuclear power industry

Here you can find design tips on technical skills like cable and breaker sizing, short-circuit evaluations and more, PLUS deep-dive analysis of nuclear-specific topics like design basis, Tech Specs, UFSARs, and safety-related SSCs — built from primary source documents.

Design Basis · Feature

The General Design Criteria

The NRC established minimum design criteria, called the General Design Criteria (GDC), which every nuclear plant must incorporate. Those are located in Appendix A of 10CFR50. Those design criteria help formulate a plant’s design basis, which show up in the final engineering drawings (single-line diagrams, schematics, wiring diagrams, etc). That design basis must be documented in the licensing basis documents (LBDs) that are submitted to the NRC.