Technical Elements Documentation
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    Interface ExtendedInitiatingEvent

    Enhanced definition of an initiating event with additional properties

    HLR-IE-A

    const event: ExtendedInitiatingEvent = {
      uuid: "123e4567-e89b-12d3-a456-426614174000",
      name: "Loss of Offsite Power",
      eventType: "INITIATING",
      frequency: 1.2e-7,
      category: InitiatingEventCategory.TRANSIENT,
      description: "Loss of all AC power from the grid.",
      uncertainty: {
        distribution: DistributionType.LOGNORMAL,
        parameters: {
          mean: 1.2e-7,
          errorFactor: 3
        }
      }
    };
    interface ExtendedInitiatingEvent {
        applicableStates?: string[];
        category: string;
        description?: string;
        genericAnalysisReview?: string;
        group?: string;
        groupId?: string;
        importanceLevel?: ImportanceLevel;
        plantExperience?: string[];
        preOperationalAssumptions?: string[];
        screeningBasis?: string;
        screeningStatus?: ScreeningStatus;
        supportingAnalyses?: {
            analysisId: string;
            analysisType: string;
            description?: string;
        }[];
        uncertainty?: Uncertainty;
    }

    Hierarchy (View Summary)

    Index

    Properties

    applicableStates? category description? genericAnalysisReview? group? groupId? importanceLevel? plantExperience? preOperationalAssumptions? screeningBasis? screeningStatus? supportingAnalyses? uncertainty?

    Properties

    applicableStates?: string[]

    Plant operating states in which this initiating event can occur.

    HLR-IE-A

    category: string

    Category of the initiating event.

    HLR-IE-B

    description?: string

    Optional detailed description of the initiating event.

    genericAnalysisReview?: string

    Review of generic analyses of similar plants.

    IE-A8

    group?: string

    Grouping of initiating events with similar mitigation requirements.

    HLR-IE-B

    groupId?: string

    Unique identifier for the grouping of initiating events for analysis purposes.

    HLR-IE-B

    importanceLevel?: ImportanceLevel

    Importance level of this initiating event for risk insights

    plantExperience?: string[]

    List of plant-specific experience related to this initiating event (for operating plants).

    IE-A7

    preOperationalAssumptions?: string[]

    Assumptions made due to lack of as-built, as-operated details (for pre-operational stage).

    IE-A18

    screeningBasis?: string

    Basis for screening out this initiating event (if applicable).

    IE-D1

    screeningStatus?: ScreeningStatus

    Screening status of this initiating event

    IE-B7

    supportingAnalyses?: {
        analysisId: string;
        analysisType: string;
        description?: string;
    }[]

    References to supporting analyses (e.g., fault trees).

    IE-C11

    uncertainty?: Uncertainty

    Model uncertainty, data sources, and assumptions associated with the initiating event.

    IE-C19

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