Course Content: PRA Concepts for NRC Risk Informed Change Submittals

Course Content

This course will be presented over approximately 2 1⁄2 days with 20 hours of contact time as follows:
Day 1: 8 hours
Day 2: 8 Hours
Day 3: 4 Hours (morning)

Day 1

1. Introduction (1.5 hrs)

1.A – Course introduction and course overview EXCEL (Led by EXCEL)

1.B – Regulatory Guides 1.174 & 1.177 Overview including NRC Position on PRA (Led by EXCEL)

2. PRA Overview and Fundamentals for Risk informed Licensing Basis Changes (6.5 hrs)

2.A – What is PRA? – A conceptual overview (Led by EPM)

  • Three basic PRA questions
  • Level 1, 2 and 3 PRAs
  • Internal and External Event Models
  • Basic PRA model components and structure

2.B – PRA terms and concepts (Led by EPM)

  • Event Trees & Fault Trees
  • Data
  • Cutsets
  • CDF and LERF

2.C – Using the PRA information (Led by EPM)

  • Basic Importance Measures
  • Insights

2.D – PRA Standard, Quality and Uncertainty Concepts (Led by EPM)

Day 2

3. Workshop (8 hrs)

3.A – Tying it together – PRA concepts and RG 1.174/1.177 risk requirements (Led by EPM)

3.B – Example Submittal #1 (Led by EXCEL)

3.C – Example Submittal #2 (Led by EXCEL)

Day 3

3. Other Applications (4 hrs)

4.A – NOEDs (Led by EXCEL)

4.B – TSTF-425, Surveillance Frequency Control Program (Led by EXCEL/EPM)

4.C – TSTF-505, Risk Informed Completion Times (Led by EXCEL/EPM)

4.D – 10CFR 50.69, Risk Informed Engineering (Led by EPM)

Conclusion

Course Conclusion (Led by EXCEL)

 

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