Variable examplesConst

Type declaration

• EBRII_PumpDocumentationExample: {
      modelUncertainty: {
          name: "EBR-II Primary Sodium Pump Model Uncertainty Documentation";
          reasonableAlternatives: readonly [
              {
                  alternative: "Use of Exponential distribution instead of Lognormal for failure rate modeling";
                  applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                  reasonNotSelected: "Lognormal better characterizes the uncertainty in the estimated parameters given the limited data";
              },
              {
                  alternative: "Separate parameter estimates for different operational phases";
                  applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                  reasonNotSelected: "Insufficient data to support statistically significant separate estimates";
              },
          ];
          relatedAssumptions: readonly [
              {
                  applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                  assumption: "EBR-II primary pump reliability characteristics are representative of modern sodium pump designs";
                  basis: "Design principles for electromagnetic sodium pumps have not fundamentally changed, though materials and manufacturing have improved";
              },
              {
                  applicableParameters: readonly ["PARAM-EBRII-PSP-CCF-001"];
                  assumption: "Common cause failure mechanisms for sodium pumps are similar to those of light water reactor pumps";
                  basis: "While fluid properties differ, fundamental CCF mechanisms like design errors, manufacturing defects, and maintenance errors remain similar";
              },
          ];
          requirementReference: "DA-E2";
          uncertaintySources: readonly [
              {
                  applicableParameters: readonly [
                      "PARAM-EBRII-PSP-FR-001",
                      "PARAM-EBRII-PSP-FS-001",
                  ];
                  impact: "Introduces uncertainty in applicability of parameter estimates to current sodium-cooled fast reactor designs";
                  source: "Operating environment differences between EBR-II and modern liquid metal reactors";
              },
              {
                  applicableParameters: readonly [
                      "PARAM-EBRII-PSP-FR-001",
                      "PARAM-EBRII-PSP-FS-001",
                      "PARAM-EBRII-PSP-CCF-001",
                  ];
                  impact: "Increases uncertainty in generic data applicability and requires greater reliance on expert judgment";
                  source: "Limited operational history of sodium pumps in commercial power applications";
              },
          ];
          uuid: "e87b2c3d-1234-5678-90ab-cdef01234567";
      };
      preOperationalAssumptions: {
          assumptions: readonly [
              {
                  assumptionId: "ASSUME-EBRII-PSP-001";
                  basis: "Advancements in materials, manufacturing, and control systems are expected to improve reliability";
                  description: "Modern electromagnetic pump designs will have equal or better reliability than EBR-II pumps";
                  impact: "May overestimate failure rates if modern designs prove more reliable";
                  limitations: readonly [
                      "May not account for new failure modes introduced by design innovations",
                      "Limited operational experience with newer pump designs",
                  ];
                  status: "OPEN";
              },
              {
                  assumptionId: "ASSUME-EBRII-PSP-002";
                  basis: "Modern maintenance technologies and practices have generally improved over time";
                  description: "Maintenance practices for modern sodium pumps will be at least as effective as those for EBR-II";
                  impact: "May underestimate maintenance-related failures if modern practices prove less effective";
                  limitations: readonly [
                      "Loss of institutional knowledge about sodium pump maintenance",
                      "Reduced availability of specialized maintenance personnel",
                  ];
                  status: "IN_PROGRESS";
              },
          ];
          name: "EBR-II Primary Sodium Pump Pre-Operational Assumptions";
          relatedNote: "DA-N-5";
          relatedRequirement: "DA-A6";
          supportingDocumentationReferences: readonly [
              "EBR-II Operational History Report OHR-1994-001",
              "Modern Sodium Pump Design Comparison Study MSPD-2023-001",
          ];
          uuid: "f9876543-21ab-cdef-4321-fedcba098765";
          validationPhase: "Early operational testing";
      };
      processDocumentation: {
          basicEventProbabilityModels: readonly [
              {
                  basicEventId: "BE-EBRII-PSP-FR-001";
                  justification: "Lognormal distribution selected based on industry standard practices for continuous operation components with multiplicative failure mechanisms";
                  model: "LOGNORMAL";
              },
              {
                  basicEventId: "BE-EBRII-PSP-FS-001";
                  justification: "Beta distribution selected for demand-based failure mode to properly model uncertainty with limited data";
                  model: "BETA";
              },
          ];
          bayesianPriorRationales: readonly [
              {
                  parameterId: "PARAM-EBRII-PSP-FR-001";
                  priorDistribution: "Lognormal(μ=-11.51, σ=1.5)";
                  rationale: "Prior based on generic liquid metal pump failure rates with wide uncertainty to accommodate limited industry experience";
              },
          ];
          ccfProbabilityBasis: readonly [
              {
                  ccfParameterId: "PARAM-EBRII-PSP-CCF-001";
                  estimationMethod: "Alpha Factor Model with specialized adjustment for liquid metal environment";
                  mappingJustification: "Alpha factors derived from light water reactor experience adjusted for liquid metal environment based on expert judgment";
              },
          ];
          componentGroupingDocumentation: readonly [
              {
                  groupId: "GROUP-EBRII-PUMPS-001";
                  groupingCriteria: "Primary sodium pumps grouped based on similar design, operational characteristics, and environment";
                  outlierExclusionJustifications: readonly [
                      {
                          alternativeTreatment: "Analyzed as separate component with its own failure parameters";
                          componentId: "COMP-EBRII-PSP-003";
                          detailedJustification: "Secondary loop pump operates at lower temperature and has different seal design, resulting in significantly different failure characteristics";
                          exclusionReason: "Significant design differences and operating conditions";
                      },
                  ];
                  outlierIdentificationMethodology: "Statistical hypothesis testing comparing failure rates across similar components with 95% confidence threshold";
                  supportingAnalyses: readonly [
                      "EBR-II Pump Similarity Analysis Report PSAR-2022-001",
                  ];
              },
          ];
          dataCollectionPeriods: readonly [
              {
                  censoringJustification: "Pre-1980 data excluded due to major design modifications to pump control systems";
                  endDate: "1994-12-31";
                  parameterId: "PARAM-EBRII-PSP-FR-001";
                  startDate: "1980-01-01";
              },
          ];
          dataExclusionJustifications: readonly [
              {
                  excludedData: "Three failure events during special testing operations in 1983";
                  justification: "Events occurred during non-standard operating conditions not representative of normal operation";
                  parameterId: "PARAM-EBRII-PSP-FR-001";
              },
          ];
          genericParameterRationales: readonly [
              {
                  operatingStates: readonly ["POS-STARTUP-200", "POS-SHUTDOWN-300"];
                  parameterId: "PARAM-EBRII-PSP-FS-001";
                  rationale: "Generic parameters used for startup and shutdown states due to insufficient plant-specific data for these infrequent operating states";
              },
          ];
          genericParameterSources: readonly [
              {
                  parameterId: "PARAM-EBRII-PSP-FR-001";
                  reference: "Section 5.4, with adjustments for liquid metal reactor applications";
                  source: "NUREG/CR-6928, Industry-Average Performance for Components and Initiating Events at U.S. Commercial Nuclear Power Plants";
              },
              {
                  parameterId: "PARAM-EBRII-PSP-FS-001";
                  reference: "LMFR-RDB-2023, Section 4.2.1";
                  source: "Liquid Metal Fast Breeder Reactor Reliability Database (LMFR-RDB)";
              },
          ];
          name: "EBR-II Primary Sodium Pump Data Analysis Documentation";
          operatingStateDataJustifications: readonly [
              {
                  justification: "Full power operation provides most representative conditions for primary pump failure rates as pumps operate at design flow rates and temperatures";
                  operatingState: "POS-FULL-POWER-100";
                  parameterId: "PARAM-EBRII-PSP-FR-001";
              },
          ];
          parameterEstimates: readonly [
              {
                  estimate: 0.000012;
                  parameterId: "PARAM-EBRII-PSP-FR-001";
                  uncertaintyCharacterization: "Lognormal distribution with 5th percentile 2.5e-6, 95th percentile 5.8e-5, error factor 4.8";
              },
              {
                  estimate: 0.0034;
                  parameterId: "PARAM-EBRII-PSP-FS-001";
                  uncertaintyCharacterization: "Beta distribution with α=2.5, β=732, 5th percentile 6.7e-4, 95th percentile 8.2e-3";
              },
          ];
          plantSpecificDataSources: readonly [
              {
                  operatingState: "POS-FULL-POWER-100";
                  parameterId: "PARAM-EBRII-PSP-FR-001";
                  source: "EBR-II Operational Records 1964-1994";
                  timePeriod: "1980-1994";
              },
          ];
          systemComponentBoundaries: readonly [
              {
                  boundaries: readonly [
                      "Electromagnetic pump assembly",
                      "Control circuitry",
                      "Power supply components",
                      "Primary flow path components",
                  ];
                  boundaryDescription: "EBR-II primary sodium pump including motor, pump, shaft, bearings, and seals";
                  componentId: "COMP-EBRII-PSP-001";
                  references: readonly [
                      "EBR-II System Design Description SDD-PCS-001",
                      "EBR-II Primary Pump Drawing E-12345-001",
                  ];
                  systemId: "SYS-EBRII-PCS-001";
              },
          ];
          uuid: "dd72a844-ff75-4517-86a4-5e4bfc7c0384";
      };
  }

  • ReadonlymodelUncertainty: {
        name: "EBR-II Primary Sodium Pump Model Uncertainty Documentation";
        reasonableAlternatives: readonly [
            {
                alternative: "Use of Exponential distribution instead of Lognormal for failure rate modeling";
                applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                reasonNotSelected: "Lognormal better characterizes the uncertainty in the estimated parameters given the limited data";
            },
            {
                alternative: "Separate parameter estimates for different operational phases";
                applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                reasonNotSelected: "Insufficient data to support statistically significant separate estimates";
            },
        ];
        relatedAssumptions: readonly [
            {
                applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"];
                assumption: "EBR-II primary pump reliability characteristics are representative of modern sodium pump designs";
                basis: "Design principles for electromagnetic sodium pumps have not fundamentally changed, though materials and manufacturing have improved";
            },
            {
                applicableParameters: readonly ["PARAM-EBRII-PSP-CCF-001"];
                assumption: "Common cause failure mechanisms for sodium pumps are similar to those of light water reactor pumps";
                basis: "While fluid properties differ, fundamental CCF mechanisms like design errors, manufacturing defects, and maintenance errors remain similar";
            },
        ];
        requirementReference: "DA-E2";
        uncertaintySources: readonly [
            {
                applicableParameters: readonly [
                    "PARAM-EBRII-PSP-FR-001",
                    "PARAM-EBRII-PSP-FS-001",
                ];
                impact: "Introduces uncertainty in applicability of parameter estimates to current sodium-cooled fast reactor designs";
                source: "Operating environment differences between EBR-II and modern liquid metal reactors";
            },
            {
                applicableParameters: readonly [
                    "PARAM-EBRII-PSP-FR-001",
                    "PARAM-EBRII-PSP-FS-001",
                    "PARAM-EBRII-PSP-CCF-001",
                ];
                impact: "Increases uncertainty in generic data applicability and requires greater reliance on expert judgment";
                source: "Limited operational history of sodium pumps in commercial power applications";
            },
        ];
        uuid: "e87b2c3d-1234-5678-90ab-cdef01234567";
    }

    Model uncertainty documentation implementing DA-E2 Documents sources of model uncertainty and their impact

  • ReadonlypreOperationalAssumptions: {
        assumptions: readonly [
            {
                assumptionId: "ASSUME-EBRII-PSP-001";
                basis: "Advancements in materials, manufacturing, and control systems are expected to improve reliability";
                description: "Modern electromagnetic pump designs will have equal or better reliability than EBR-II pumps";
                impact: "May overestimate failure rates if modern designs prove more reliable";
                limitations: readonly [
                    "May not account for new failure modes introduced by design innovations",
                    "Limited operational experience with newer pump designs",
                ];
                status: "OPEN";
            },
            {
                assumptionId: "ASSUME-EBRII-PSP-002";
                basis: "Modern maintenance technologies and practices have generally improved over time";
                description: "Maintenance practices for modern sodium pumps will be at least as effective as those for EBR-II";
                impact: "May underestimate maintenance-related failures if modern practices prove less effective";
                limitations: readonly [
                    "Loss of institutional knowledge about sodium pump maintenance",
                    "Reduced availability of specialized maintenance personnel",
                ];
                status: "IN_PROGRESS";
            },
        ];
        name: "EBR-II Primary Sodium Pump Pre-Operational Assumptions";
        relatedNote: "DA-N-5";
        relatedRequirement: "DA-A6";
        supportingDocumentationReferences: readonly [
            "EBR-II Operational History Report OHR-1994-001",
            "Modern Sodium Pump Design Comparison Study MSPD-2023-001",
        ];
        uuid: "f9876543-21ab-cdef-4321-fedcba098765";
        validationPhase: "Early operational testing";
    }

    Pre-operational assumptions documentation implementing DA-E3 Documents assumptions made due to limited design or operational data

  • ReadonlyprocessDocumentation: {
        basicEventProbabilityModels: readonly [
            {
                basicEventId: "BE-EBRII-PSP-FR-001";
                justification: "Lognormal distribution selected based on industry standard practices for continuous operation components with multiplicative failure mechanisms";
                model: "LOGNORMAL";
            },
            {
                basicEventId: "BE-EBRII-PSP-FS-001";
                justification: "Beta distribution selected for demand-based failure mode to properly model uncertainty with limited data";
                model: "BETA";
            },
        ];
        bayesianPriorRationales: readonly [
            {
                parameterId: "PARAM-EBRII-PSP-FR-001";
                priorDistribution: "Lognormal(μ=-11.51, σ=1.5)";
                rationale: "Prior based on generic liquid metal pump failure rates with wide uncertainty to accommodate limited industry experience";
            },
        ];
        ccfProbabilityBasis: readonly [
            {
                ccfParameterId: "PARAM-EBRII-PSP-CCF-001";
                estimationMethod: "Alpha Factor Model with specialized adjustment for liquid metal environment";
                mappingJustification: "Alpha factors derived from light water reactor experience adjusted for liquid metal environment based on expert judgment";
            },
        ];
        componentGroupingDocumentation: readonly [
            {
                groupId: "GROUP-EBRII-PUMPS-001";
                groupingCriteria: "Primary sodium pumps grouped based on similar design, operational characteristics, and environment";
                outlierExclusionJustifications: readonly [
                    {
                        alternativeTreatment: "Analyzed as separate component with its own failure parameters";
                        componentId: "COMP-EBRII-PSP-003";
                        detailedJustification: "Secondary loop pump operates at lower temperature and has different seal design, resulting in significantly different failure characteristics";
                        exclusionReason: "Significant design differences and operating conditions";
                    },
                ];
                outlierIdentificationMethodology: "Statistical hypothesis testing comparing failure rates across similar components with 95% confidence threshold";
                supportingAnalyses: readonly [
                    "EBR-II Pump Similarity Analysis Report PSAR-2022-001",
                ];
            },
        ];
        dataCollectionPeriods: readonly [
            {
                censoringJustification: "Pre-1980 data excluded due to major design modifications to pump control systems";
                endDate: "1994-12-31";
                parameterId: "PARAM-EBRII-PSP-FR-001";
                startDate: "1980-01-01";
            },
        ];
        dataExclusionJustifications: readonly [
            {
                excludedData: "Three failure events during special testing operations in 1983";
                justification: "Events occurred during non-standard operating conditions not representative of normal operation";
                parameterId: "PARAM-EBRII-PSP-FR-001";
            },
        ];
        genericParameterRationales: readonly [
            {
                operatingStates: readonly ["POS-STARTUP-200", "POS-SHUTDOWN-300"];
                parameterId: "PARAM-EBRII-PSP-FS-001";
                rationale: "Generic parameters used for startup and shutdown states due to insufficient plant-specific data for these infrequent operating states";
            },
        ];
        genericParameterSources: readonly [
            {
                parameterId: "PARAM-EBRII-PSP-FR-001";
                reference: "Section 5.4, with adjustments for liquid metal reactor applications";
                source: "NUREG/CR-6928, Industry-Average Performance for Components and Initiating Events at U.S. Commercial Nuclear Power Plants";
            },
            {
                parameterId: "PARAM-EBRII-PSP-FS-001";
                reference: "LMFR-RDB-2023, Section 4.2.1";
                source: "Liquid Metal Fast Breeder Reactor Reliability Database (LMFR-RDB)";
            },
        ];
        name: "EBR-II Primary Sodium Pump Data Analysis Documentation";
        operatingStateDataJustifications: readonly [
            {
                justification: "Full power operation provides most representative conditions for primary pump failure rates as pumps operate at design flow rates and temperatures";
                operatingState: "POS-FULL-POWER-100";
                parameterId: "PARAM-EBRII-PSP-FR-001";
            },
        ];
        parameterEstimates: readonly [
            {
                estimate: 0.000012;
                parameterId: "PARAM-EBRII-PSP-FR-001";
                uncertaintyCharacterization: "Lognormal distribution with 5th percentile 2.5e-6, 95th percentile 5.8e-5, error factor 4.8";
            },
            {
                estimate: 0.0034;
                parameterId: "PARAM-EBRII-PSP-FS-001";
                uncertaintyCharacterization: "Beta distribution with α=2.5, β=732, 5th percentile 6.7e-4, 95th percentile 8.2e-3";
            },
        ];
        plantSpecificDataSources: readonly [
            {
                operatingState: "POS-FULL-POWER-100";
                parameterId: "PARAM-EBRII-PSP-FR-001";
                source: "EBR-II Operational Records 1964-1994";
                timePeriod: "1980-1994";
            },
        ];
        systemComponentBoundaries: readonly [
            {
                boundaries: readonly [
                    "Electromagnetic pump assembly",
                    "Control circuitry",
                    "Power supply components",
                    "Primary flow path components",
                ];
                boundaryDescription: "EBR-II primary sodium pump including motor, pump, shaft, bearings, and seals";
                componentId: "COMP-EBRII-PSP-001";
                references: readonly [
                    "EBR-II System Design Description SDD-PCS-001",
                    "EBR-II Primary Pump Drawing E-12345-001",
                ];
                systemId: "SYS-EBRII-PCS-001";
            },
        ];
        uuid: "dd72a844-ff75-4517-86a4-5e4bfc7c0384";
    }

    Basic documentation structure implementing DA-E1 requirements

    • ReadonlybasicEventProbabilityModels: readonly [
          {
              basicEventId: "BE-EBRII-PSP-FR-001";
              justification: "Lognormal distribution selected based on industry standard practices for continuous operation components with multiplicative failure mechanisms";
              model: "LOGNORMAL";
          },
          {
              basicEventId: "BE-EBRII-PSP-FS-001";
              justification: "Beta distribution selected for demand-based failure mode to properly model uncertainty with limited data";
              model: "BETA";
          },
      ]

      Basic event probability models (DA-E1.b) Documents how basic event probabilities are evaluated

    • ReadonlybayesianPriorRationales: readonly [
          {
              parameterId: "PARAM-EBRII-PSP-FR-001";
              priorDistribution: "Lognormal(μ=-11.51, σ=1.5)";
              rationale: "Prior based on generic liquid metal pump failure rates with wide uncertainty to accommodate limited industry experience";
          },
      ]

      Bayesian prior rationales (DA-E1.h) Documents selection of prior distributions for Bayesian updates

    • ReadonlyccfProbabilityBasis: readonly [
          {
              ccfParameterId: "PARAM-EBRII-PSP-CCF-001";
              estimationMethod: "Alpha Factor Model with specialized adjustment for liquid metal environment";
              mappingJustification: "Alpha factors derived from light water reactor experience adjusted for liquid metal environment based on expert judgment";
          },
      ]

      CCF probability basis (DA-E1.g) Documents basis for common cause failure probability

    • ReadonlycomponentGroupingDocumentation: readonly [
          {
              groupId: "GROUP-EBRII-PUMPS-001";
              groupingCriteria: "Primary sodium pumps grouped based on similar design, operational characteristics, and environment";
              outlierExclusionJustifications: readonly [
                  {
                      alternativeTreatment: "Analyzed as separate component with its own failure parameters";
                      componentId: "COMP-EBRII-PSP-003";
                      detailedJustification: "Secondary loop pump operates at lower temperature and has different seal design, resulting in significantly different failure characteristics";
                      exclusionReason: "Significant design differences and operating conditions";
                  },
              ];
              outlierIdentificationMethodology: "Statistical hypothesis testing comparing failure rates across similar components with 95% confidence threshold";
              supportingAnalyses: readonly [
                  "EBR-II Pump Similarity Analysis Report PSAR-2022-001",
              ];
          },
      ]

      Component grouping documentation (DA-B1, DA-B2) Documents component grouping decisions including outlier handling

    • ReadonlydataCollectionPeriods: readonly [
          {
              censoringJustification: "Pre-1980 data excluded due to major design modifications to pump control systems";
              endDate: "1994-12-31";
              parameterId: "PARAM-EBRII-PSP-FR-001";
              startDate: "1980-01-01";
          },
      ]

      Time periods for data collection (DA-E1.e) Documents specific time periods and any censoring

    • ReadonlydataExclusionJustifications: readonly [
          {
              excludedData: "Three failure events during special testing operations in 1983";
              justification: "Events occurred during non-standard operating conditions not representative of normal operation";
              parameterId: "PARAM-EBRII-PSP-FR-001";
          },
      ]

      Data exclusion justification (DA-E1.f) Documents reasons for excluding certain data points

    • ReadonlygenericParameterRationales: readonly [
          {
              operatingStates: readonly ["POS-STARTUP-200", "POS-SHUTDOWN-300"];
              parameterId: "PARAM-EBRII-PSP-FS-001";
              rationale: "Generic parameters used for startup and shutdown states due to insufficient plant-specific data for these infrequent operating states";
          },
      ]

      Generic parameter rationales (DA-E1.k) Documents rationale for using generic parameter estimates

    • ReadonlygenericParameterSources: readonly [
          {
              parameterId: "PARAM-EBRII-PSP-FR-001";
              reference: "Section 5.4, with adjustments for liquid metal reactor applications";
              source: "NUREG/CR-6928, Industry-Average Performance for Components and Initiating Events at U.S. Commercial Nuclear Power Plants";
          },
          {
              parameterId: "PARAM-EBRII-PSP-FS-001";
              reference: "LMFR-RDB-2023, Section 4.2.1";
              source: "Liquid Metal Fast Breeder Reactor Reliability Database (LMFR-RDB)";
          },
      ]

      Generic parameter sources (DA-E1.c) Documents sources for generic parameter estimates

    • Readonlyname: "EBR-II Primary Sodium Pump Data Analysis Documentation"

    • ReadonlyoperatingStateDataJustifications: readonly [
          {
              justification: "Full power operation provides most representative conditions for primary pump failure rates as pumps operate at design flow rates and temperatures";
              operatingState: "POS-FULL-POWER-100";
              parameterId: "PARAM-EBRII-PSP-FR-001";
          },
      ]

      Operating state data justification (DA-E1.j) Documents justification for operating state data usage

    • ReadonlyparameterEstimates: readonly [
          {
              estimate: 0.000012;
              parameterId: "PARAM-EBRII-PSP-FR-001";
              uncertaintyCharacterization: "Lognormal distribution with 5th percentile 2.5e-6, 95th percentile 5.8e-5, error factor 4.8";
          },
          {
              estimate: 0.0034;
              parameterId: "PARAM-EBRII-PSP-FS-001";
              uncertaintyCharacterization: "Beta distribution with α=2.5, β=732, 5th percentile 6.7e-4, 95th percentile 8.2e-3";
          },
      ]

      Parameter estimates with uncertainty (DA-E1.i) Documents final parameter estimates and their uncertainty

    • ReadonlyplantSpecificDataSources: readonly [
          {
              operatingState: "POS-FULL-POWER-100";
              parameterId: "PARAM-EBRII-PSP-FR-001";
              source: "EBR-II Operational Records 1964-1994";
              timePeriod: "1980-1994";
          },
      ]

      Plant-specific data sources (DA-E1.d) Documents plant-specific data sources used

    • ReadonlysystemComponentBoundaries: readonly [
          {
              boundaries: readonly [
                  "Electromagnetic pump assembly",
                  "Control circuitry",
                  "Power supply components",
                  "Primary flow path components",
              ];
              boundaryDescription: "EBR-II primary sodium pump including motor, pump, shaft, bearings, and seals";
              componentId: "COMP-EBRII-PSP-001";
              references: readonly [
                  "EBR-II System Design Description SDD-PCS-001",
                  "EBR-II Primary Pump Drawing E-12345-001",
              ];
              systemId: "SYS-EBRII-PCS-001";
          },
      ]

      System and component boundaries (DA-E1.a) References a SystemDefinition from Systems Analysis

    • Readonlyuuid: "dd72a844-ff75-4517-86a4-5e4bfc7c0384"

• EBRII_PumpFailureEstimationExample: {
      componentTypeReference: "TYPE-SODIUM-PUMP";
      confidenceIntervals: {
          lower: { mean: 0.0000025 };
          upper: { mean: 0.000058 };
      };
      estimatedDistribution: LOGNORMAL;
      failureModeReference: "FM-PUMP-BEARINGS";
      goodnessOfFit: { method: "Anderson-Darling"; value: 0.89 };
      parameters: { errorFactor: 4.8; mean: 0.000012 };
      sampleSize: 5;
  }

• EBRII_PumpOperationalDataExample: {
      dataByComponentType: {
          "TYPE-SODIUM-PUMP": readonly [
              "EBRII-PSP-EVENT-001",
              "EBRII-PSP-EVENT-002",
              "EBRII-PSP-EVENT-003",
              "EBRII-PSP-EVENT-004",
          ];
      };
      dataByFailureMode: {
          "FM-PUMP-BEARINGS": readonly ["EBRII-PSP-EVENT-001"];
          "FM-PUMP-CONTROL": readonly ["EBRII-PSP-EVENT-002"];
      };
      dataPoints: readonly [
          {
              componentReference: "COMP-EBRII-PSP-001";
              componentTypeReference: "TYPE-SODIUM-PUMP";
              description: "Primary pump bearing degradation detected during routine vibration monitoring";
              eventType: "failure";
              failureModeReference: "FM-PUMP-BEARINGS";
              id: "EBRII-PSP-EVENT-001";
              measurements: { temperature: 427.8; vibration: 12.5 };
              operatingCycles: 56;
              operatingHours: 12458.5;
              timestamp: "1984-03-15T08:42:00Z";
          },
          {
              componentReference: "COMP-EBRII-PSP-001";
              componentTypeReference: "TYPE-SODIUM-PUMP";
              description: "Flow control system failure resulting in pump shutdown";
              eventType: "failure";
              failureModeReference: "FM-PUMP-CONTROL";
              id: "EBRII-PSP-EVENT-002";
              measurements: { current: 96.2; flow: 75.3 };
              operatingCycles: 124;
              operatingHours: 28741.2;
              timestamp: "1987-11-20T14:18:00Z";
          },
          {
              componentReference: "COMP-EBRII-PSP-001";
              componentTypeReference: "TYPE-SODIUM-PUMP";
              description: "Routine inspection during plant outage, no abnormalities detected";
              eventType: "inspection";
              id: "EBRII-PSP-EVENT-003";
              measurements: { temperature: 25; vibration: 4.2 };
              operatingCycles: 97;
              operatingHours: 22561.7;
              timestamp: "1986-05-10T09:30:00Z";
          },
          {
              componentReference: "COMP-EBRII-PSP-001";
              componentTypeReference: "TYPE-SODIUM-PUMP";
              description: "Preventive maintenance on pump control circuits";
              eventType: "maintenance";
              id: "EBRII-PSP-EVENT-004";
              measurements: { downtime: 12.5 };
              operatingCycles: 82;
              operatingHours: 18752.3;
              timestamp: "1985-09-05T10:15:00Z";
          },
      ];
      id: "ODP-EBRII-PCS-001";
      name: "EBR-II Primary Sodium Pump Operational Data Registry";
  }

• EBRII_PumpParameterExample: {
      assumptions: readonly [
          {
              basis: "Advancements in materials, manufacturing, and control systems";
              context: "Design";
              description: "Modern electromagnetic pump designs will have equal or better reliability than EBR-II pumps";
              impactedParameters: readonly [
                  "PARAM-EBRII-PSP-FR-001",
                  "PARAM-EBRII-PSP-FS-001",
              ];
              type: "TECHNICAL";
              uuid: "d4e5f6a7-b890-1234-c567-8901abcdef2";
          },
      ];
      basicEventId: "BE-EBRII-PSP-FR-001";
      componentBoundaries: {
          boundaries: readonly [
              "Primary flow path",
              "Electromagnetic systems",
              "Control systems",
          ];
          componentId: "COMP-EBRII-PSP-001";
          description: "EBR-II primary sodium pump boundary including pump, motor, and control systems";
          excludedParts: readonly [
              "Sodium piping beyond pump flanges",
              "External power supply",
              "Plant control system interfaces",
          ];
          includedParts: readonly [
              "Electromagnetic pump assembly",
              "Pump motor",
              "Pump control circuits",
              "Flow sensors",
              "Temperature sensors",
          ];
          systemId: "SYS-EBRII-PCS-001";
      };
      data_sources: readonly [
          {
              applicabilityAssessment: "Direct applicability to similar sodium pump designs";
              context: "Plant specific";
              source: "EBR-II Operational Records 1964-1994";
              sourceType: "PLANT_SPECIFIC";
              timePeriod: { endDate: "1994-12-31"; startDate: "1980-01-01" };
          },
          {
              context: "Industry standard";
              documentationReferences: readonly ["LMFR-RDB-2023"];
              source: "Liquid Metal Fast Breeder Reactor Reliability Database";
              sourceType: "GENERIC_INDUSTRY";
          },
      ];
      description: "Failure rate for EBR-II primary sodium pump during normal operation";
      failureMode: {
          category: "Mechanical";
          detectability: "Medium";
          mechanismOfFailure: "Wear and degradation of pump bearings due to thermal cycling and normal operation";
          name: "Pump Bearing Failure";
          uuid: "c3d4e5f6-7890-123a-b456-78901abcdef2";
      };
      logicModelInfo: {
          basicEventBoundary: "Component failure within defined boundary";
          evaluationModel: "SAPHIRE";
          modelType: "Fault Tree";
      };
      name: "EBR-II Primary Sodium Pump Failure Rate";
      parameterType: "FREQUENCY";
      plant_operating_state: "POS-FULL-POWER-100";
      probability_model: LOGNORMAL;
      successCriteria: "SC-EBRII-FLOW-001";
      systemDefinitionId: "SYS-EBRII-PCS-001";
      uncertainty: {
          distribution: LOGNORMAL;
          model_uncertainty_sources: readonly [
              "Limited operational experience with sodium pumps",
              "Extrapolation from historical data to modern designs",
          ];
          parameters: { errorFactor: 4.8; mean: 0.000012 };
          riskImplications: {
              affectedMetrics: readonly ["CDF", "Release Frequency"];
              propagationNotes: "Impacts sequences involving loss of primary cooling";
              significanceLevel: "medium";
          };
      };
      uuid: "b2c3d4e5-f678-42a1-b345-67890abcdef1";
      value: 0.000012;
  }

• EDGFailureRateExample: {
      basicEventId: "BE-EDG-FS-001";
      description: "Failure rate analysis for EDG-A during power operation";
      failure_mode: {
          description: "Failure to start on demand signal";
          type: "FAILURE_TO_START";
      };
      name: "Emergency Diesel Generator Failure Rate";
      parameterType: "FREQUENCY";
      probability_model: LOGNORMAL;
      systemComponentId: "SYS-EDG-A";
      uncertainty: {
          distribution: LOGNORMAL;
          parameters: { errorFactor: 3; median: 0.000012 };
      };
      uuid: "a1b2c3d4-e89b-12d3-a456-567890abcdef";
      value: 0.000012;
  }

• EDGReliabilityAnalysisExample: {
      additionalMetadata: {
          limitations: readonly [
              "Analysis limited to failure-to-start mode",
              "Common cause failures analyzed separately",
          ];
      };
      data_parameters: readonly [
          {
              basicEventId: "BE-EDG-FS-001";
              description: "Failure rate analysis for EDG-A during power operation";
              failure_mode: {
                  description: "Failure to start on demand signal";
                  type: "FAILURE_TO_START";
              };
              name: "Emergency Diesel Generator Failure Rate";
              parameterType: "FREQUENCY";
              probability_model: LOGNORMAL;
              systemComponentId: "SYS-EDG-A";
              uncertainty: {
                  distribution: LOGNORMAL;
                  parameters: { errorFactor: 3; median: 0.000012 };
              };
              uuid: "a1b2c3d4-e89b-12d3-a456-567890abcdef";
              value: 0.000012;
          },
      ];
      description: "Comprehensive data analysis for EDG reliability parameters";
      name: "Emergency Diesel Generator Reliability Analysis";
      status: "APPROVED";
      type: "data-analysis";
      uuid: "123e4567-e89b-12d3-a456-426614174000";
      version: "1.0.0";
  }

• EDGUncertaintyExample: {
      correlations: readonly [
          {
              correlationFactor: 0.8;
              correlationType: "common_cause";
              description: "Common cause failure correlation between EDG A and B";
              parameterId: "DA-EDG-B-FR";
          },
      ];
      distribution: "lognormal";
      model_uncertainty_sources: readonly [
          "Limited operational data",
          "Environmental factors not fully characterized",
      ];
      parameters: { errorFactor: 3; mean: 0.0012 };
      riskImplications: {
          affectedMetrics: readonly ["CDF", "LERF"];
          propagationNotes: "Major impact on SBO sequences";
          significanceLevel: "high";
      };
  }