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ASME RA-S-1.1 : 2024

Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications

Standard Details

This nuclear standard states requirements for a Level 1 Probabilistic Risk Assessment (PRA) of internal and external hazards while at-power for the evaluation of core damage frequency (CDF). In addition, this standard states requirements for a limited Level 2 PRA sufficient to evaluate large early release frequency (LERF). The only hazards explicitly excluded from the scope are accidents resulting from purposeful human-induced security threats (e.g., sabotage, terrorism). These requirements are written for operating light water reactor (LWR) nuclear power plants. This standard may be used for LWR plants under design or construction or for advanced LWRs, such as small modular reactors (SMR), but revised or additional requirements may be needed.

General Information

Status : ACTIVE
Standard Type: Main
Document No: ASME RA-S-1.1 : 2024
Document Year: 2024
Pages: 401

Life Cycle

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ASME RA-S-1.1 : 2024
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