Fire PRA Methods
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The following methods have been reported to EPRI as having been evaluated to determine whether or not they are NDMs. The information herein is provided by a cognizant party who conducted an NDM peer review or is otherwise involved in the assessment of a method in the NDM context. EPRI does not verify the information provided and the listing of methods here does not imply EPRI endorsement, verification, or 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 |
|---|---|---|---|---|---|---|---|
| August 2023 | Modeling of In-Cabinet Fire Damage in Fire PRA Applications | Provides guidance on modeling partial fire damage within a cabinet for Group 4 (of NUREG-2178 Vol. 1) electrical cabinet multi-function control cabinets. This method is not applicable to switchgear, load centers, motor control centers, inverters, or battery chargers. This approach is used to sub-divide fire scenarios that would only damage a single cabinet. This approach establishes a frequency modifier to predict the likelihood that a fire will result in partial loss of cabinet functions with diverse power supplies as well as the likelihood all functions will be lost. | CA-MISC-035 | Y | CA-MISC-035 | Y | CA-MISC-035 |