Technical Elements Documentation
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    Interface SignificantRiskContributors

    Interface representing the significant risk contributors identified from the integrated risk results.

    RI-B6

    const contributors: SignificantRiskContributors = {
      uuid: "123e4567-e89b-12d3-a456-426614174004",
      metricType: RiskMetricType.CDF,
      significantEventSequences: [
        {
          uuid: "123e4567-e89b-12d3-a456-426614174005",
          name: "Station Blackout (SBO)",
          contributorType: "event-sequence",
          sourceElement: TechnicalElementTypes.EVENT_SEQUENCE_ANALYSIS,
          sourceId: "ES-SBO-001",
          importanceMetrics: {
            fussellVesely: 0.15,
            raw: 12.5
          },
          riskContribution: 3.75e-7,
          importanceLevel: ImportanceLevel.HIGH
        }
      ],
      significantSystems: [
        // Systems would be listed here
      ],
      significantBasicEvents: [
        // Basic events would be listed here
      ],
      insights: ["Station blackout events represent 15% of the total core damage frequency"]
    };
    interface SignificantRiskContributors {
        description?: string;
        insights?: string[];
        metricType: string;
        screeningCriteria?: {
            basis: string;
            criteriaType: string;
            threshold: number;
        };
        significantBasicEvents?: RiskContributor[];
        significantComponents?: RiskContributor[];
        significantEventSequences?: RiskContributor[];
        significantHazardGroups?: RiskContributor[];
        significantPlantOperatingStates?: RiskContributor[];
        significantRadioactiveSources?: RiskContributor[];
        significantSystems?: RiskContributor[];
    }

    Hierarchy

    • Unique
      • SignificantRiskContributors
    Index

    Properties

    description? insights? metricType screeningCriteria? significantBasicEvents? significantComponents? significantEventSequences? significantHazardGroups? significantPlantOperatingStates? significantRadioactiveSources? significantSystems?

    Properties

    description?: string

    Description of the significant risk contributors [152, RI-B6].

    insights?: string[]

    Risk insights derived from the significant contributors [156, RI-D1(g)].

    metricType: string

    The risk metric these contributors apply to

    screeningCriteria?: { basis: string; criteriaType: string; threshold: number }

    Any screening criteria used to identify significant contributors.

    significantBasicEvents?: RiskContributor[]

    List of risk-significant basic events, including human failure events (HFEs) [152, 156, RI-B6].

    significantComponents?: RiskContributor[]

    List of risk-significant components.

    significantEventSequences?: RiskContributor[]

    List of risk-significant event sequences or event sequence families [152, RI-B6].

    significantHazardGroups?: RiskContributor[]

    List of risk-significant hazard groups.

    significantPlantOperatingStates?: RiskContributor[]

    List of risk-significant plant operating states.

    significantRadioactiveSources?: RiskContributor[]

    List of risk-significant radioactive sources.

    significantSystems?: RiskContributor[]

    List of risk-significant systems [152, RI-B6].

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