Level 1 General PRA Methods
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The following methods have been reported to EPRI as having been evaluated to determine whether they are NDMs or not. Available information on the basis for determining that a method is or is not an NDM and a summary of any completed NDM Peer Reviews are included as provided to EPRI by the party making the determination or conducting the NDM Peer Review.
| Date | Title | Description | Implementing Document | Is this a “Newly Developed Method (NDM)”? | Link to NDM Decision Justification | Has a NDM Peer Review been conducted? | Link to NDM Peer Review Public Summary |
|---|---|---|---|---|---|---|---|
| Dec 2019 | EDG Component Reliability Data Development | The method adds detail to the calculation methodology for converting the raw EDG performance data into component reliabilities and removes conservatism from EDG component failure rates. | PWROG-19019-NP, Rev 0 | Y | Section 4.1 of PWROG-19019-NP | Y | PWROG-19019-NP |
| Apr 2020 | General Screening Criteria for Loss of Room Cooling | The method addresses support system modeling and environmental conditions impacting component availability and reliability in PRA modeling. | PWROG-19020-NP, Rev 1 | Y | Section 4.1 of PWROG-19020-NP | Y | PWROG-19020-NP |