Specialised PSA Courses

Specialised PSA courses

More PSA Courses

Interface between Level 1 and Level 2 PSA Plant Damage States (PDS)

  • PDS characteristics and attributes
  • PDS quantification

Accident Progression Analysis

  • Containment failure modes
  • Containment performance analysis
  • Containment event trees

Phenomena during Severe Accidents

  • Physics, modelling and quantification Release Categories and Source
    • Terms System Functions and Operator Actions

Quantification of Large Early Release Frequency (LERF) and Large Release Frequency (LRF)

Hands-on Practice using RiskSpectrum® PSA

  • Development of containment event trees
  • Quantification and Interpretation of Results
  • Nuclear licensing and life cycle of a nuclear installation
  • Overview of PSA Applications
  • Introduction to ASME PRA Standard and PSA Capability Categories
  • Introduction to IAEA-TECDOC-1511 (Determining the Quality of PSA for Applications)
  • Overview of PSA Parameters (Risk Metrics/Measures used in Applications)
  • Risk-informed Decision-making
  • Probabilistic Evaluation and Rating of Operational Events Support NPP Upgrades, Back-fitting Activities
  • Risk-informed Technical Specifications Optimisation Risk-based Configuration Control/Risk Monitors
  • Risk-informed Categorisation of Structures, Systems and Components (SSCs)
  • Risk Follow-up (Evaluation of Occurred Operational Events)
  • Introduction to Seismic PSA Seismic PSA vs. Internal Events PSA Seismic PSA Methodology
  • Modelling of Seismically Induced Initiators and Accident Sequences
  • Using data from Probabilistic Seismic Hazard Analysis
  • Seismic Fragility Analysis, Screening, Accident Sequence and Systems Logic Modelling
  • System Modelling in Seismic Accident Sequences
  • Seismic Risk Quantification with Characterisation of Uncertainties

Hands-on Practice deriving Seismic Input Data and using RiskSpectrum® PSA

  • Screening process
  • Use of fragility data
  • Implementation of seismic hazard and fragilities into the PSA model
  • Implementation of modified HEPs for seismic scenarios
  • Development of seismic event trees
  • Quantifications and results interpretation

Overview of HRA in PSA

Categories of Human Failure Events

  • Pre-initiators
  • Initiators
  • Post-initiators
  • Task analysis and performance shaping factors Quantification and HRA Methods (THERP, ASEP, HEART, SPAR-H, ATHEANA)
  • Hands-on Practice using RiskSpectrum® HRA

Introduction to fire PSA based on NUREG 6850 methodology Steps Involved in Performing Fire PSA

  • Plant boundary partitioning
  • Component and cable selection
  • Qualitative screening
  • Fire ignition frequencies
  • Quantitative screening
  • Scoping fire modelling
  • Circuit failure analysis and detailed fire modelling
  • Human reliability analysis
  • Quantification

Hands-on Practice using RiskSpectrum® PSA

  • Modification of internal events PSA model for fire PSA
  • Creation of internal fire event trees
  • Implementation of modified human error probabilities (HEPs) for fire scenarios
  • Quantification and results interpretation

Introduction to Flooding PSA

Tasks Involved in Performing Internal Flooding PSA

  • Selection of flood areas and systems, components and structures
  • Identification of flood sources
  • Qualitative screening
  • Characterisation of flood scenarios
  • Flood initiating event frequency estimation
  • Flood consequence analysis
  • Flood mitigation – Human reliability analysis
  • Modelling of retained flood scenarios
  • Quantification and results interpretation

Hands-on Practice using RiskSpectrum® PSA

  • Modification of internal events PSA model for flooding PSA
  • Creation of internal flooding event trees
  • Implementation of modified HEPs for flooding scenarios
  • Quantification and results interpretation

Data Analysis

  • Component failure modes and reliability models
  • Component boundaries
  • Choosing appropriate generic data source for each component
  • Overview of data analysis (theory and best practice)
  • Plant-specific data analysis and Bayesian analysis
  • Homogenous and Non-homogenous analysis

Analysis of Dependent Failures

  • Physical and functional dependencies, basic definitions
  • Dependency defences against dependencies

Common Cause Failure (CCF) Analysis

  • Examples of CCFs faced by industry, including more susceptible components
  • General overview of the alpha, beta and MGL models
  • International data references for CCF data and CCF parameters
  • Modelling aspects in software and limitations

Hands-on Practice using RiskSpectrum® PSA

  • Reliability models and reliability parameters
  • Modelling of CCFs in RiskSpectrum®
  • Modelling of maintenance

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