Optional
barrierTechnical basis for the treatment of radionuclide transport barriers
Barrier capacities credited
Barrier ID or name
Basis for assignment of end states
Event sequence family
Fuel capabilities credited
Structural capabilities credited
Optional
designDesign information sources used in the analysis
Optional
deterministicDeterministic analyses performed to support the event sequence analysis
Analysis ID or reference
How the analysis was used in event sequence development
Description of the analysis
Purpose of the analysis
Key results and insights
Optional
endDefinition of event sequence end states, families, and release categories
Definition of the end state or family
Detail provided for determining event sequence family
End state or family ID
Optional
mechanisticSourceTermId?: event_sequence_analysis.SourceTermReferenceMechanistic source term information
Optional
releaseCategoryId?: event_sequence_analysis.ReleaseCategoryReferenceRelease category identification
Optional
eventDescription of event sequences or groups of similar sequences
Dependencies between systems and operator actions
End states
Expected environmental or phenomenological impacts
Optional
otherPertinentInformation?: stringOther pertinent information
Applicable procedural guidance
Event sequence or family ID
Sequence timing information
Optional
uncertaintyEvaluation?: stringEvaluation of uncertainties
Optional
failureEvaluation of failure modes and degradation mechanisms
Barrier or system ID
Degradation mechanisms considered
Failure modes evaluated
Assessment of capability to withstand loads
Loading conditions evaluated
Impacts of modeling uncertainties
Optional
inputsDescription of inputs used in the analysis
Optional
methodologyMethodology details for the event sequence analysis
Optional
methodsDescription of methods applied in the analysis
Optional
mitigatingMitigating systems challenged by initiating events
Challenged systems
Initiating event ID
Impact on the system
Optional
mitigatingDependence of mitigating systems on other functions
Description of dependencies
Dependencies on human actions
Mitigating system ID
Dependencies on other systems
Optional
operatorOperator actions represented in the event trees
Dependencies traceable to human reliability analysis
Human action ID
Sequence-specific timing
Optional
posLinkage between plant operating states, initiating events, and event sequences
Optional
description?: stringDescription of the linkage
Event sequence IDs for this combination
Initiating event ID
Plant operating state ID
Description of the overall process used
Optional
releaseInterface of event sequence models with release categories
Description of the interface
How event sequences map to release categories
How mechanistic source terms are assigned
Optional
requirementTraceability to requirements
How the requirement is addressed
Requirement identifier
Optional
resultsDescription of the results of the analysis
Optional
singleUse of single top event fault tree approach
Optional
approachDescription?: stringDescription of the approach
Optional
requirementsSatisfactionDescription?: stringHow requirements are satisfied
Whether a single top event fault tree is used
Optional
successSuccess criteria established for each modeled initiating event
Basis for the success criteria
Initiating event ID
Components required to achieve these capacities
Success criteria ID
System capacities required
Optional
supportingReferences to supporting documentation
Interface representing documentation of the process used in the event sequence analysis.
Implements
ES-D1