Nuclear Seismic Qualification: qualification_by_experience
Seismic qualification requirements for nuclear power plant safety-related equipment per IEEE 344-2013, NRC Regulatory Guide 1.100 Rev.4, and NRC RG 1.60/1.61. Covers equipment seismic categories (Class 1E, Category I/II, non-seismic), test levels (OBE/SSE in g), Required Response Spectra (RRS) frequency ranges, damping ratios, fragility parameters (median capacity Am, randomness beta_R, uncertainty beta_U, HCLPF) by equipment class (switchgear, MCC, I&C panels, diesel generators, pumps, valves, piping, tanks), and anchorage design requirements.
| equipment category | qualification parameter | description | notes | qualification method | seismic category |
|---|---|---|---|---|---|
| qualification_by_experience | seismic_experience_database | SQUG Generic Implementation Procedure (GIP) and EPRI Seismic Experience Database used for experienced-based seismic qualification. | Applicable to equipment classes with positive seismic experience at > 0.3g from documented earthquakes. Caveat list screening required. | experienced_based | Class_1E_Seismic_Category_I |
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