ML19073A071: Difference between revisions

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| docket = 05200048
| docket = 05200048
| license number =  
| license number =  
| contact person = Franovich R L
| contact person = Franovich R
| document type = Safety Evaluation Report
| document type = Safety Evaluation Report
| page count = 71
| page count = 71

Revision as of 11:28, 12 June 2019

DCA - Safety Evaluation Report with Open Items - Chapter 19, Probabilistic Risk Assessment and Severe Accident Evaluation for New Reactors
ML19073A071
Person / Time
Site: NuScale
Issue date: 04/19/2019
From: Rani Franovich
NRC/NRO/DLSE/LB1
To:
Franovich R
References
Download: ML19073A071 (71)


Text

Code of Regulations

Federal Register

Uses and Application of the Probabilistic Risk Assessment Quality of the Probabilistic Risk Assessment

Special Design/Operational Features

Level 1 Internal Events Probabilistic Risk Assessment for Operations at Power 19.1.4.4.1 Initiating Event Analysis

19.1.4.4.2 Success Criteria

19.1.4.4.3 Passive System Uncertainty

19.1.4.4.4 Accident Sequence Analysis

19.1.4.4.5 Systems Analysis

19.1.4.4.6 Human Reliability Analysis

19.1.4.4.7 Data Analysis

19.1.4.4.8 Quantification and Risk Insights

19.1.4.4.9 Conclusion Level 2 Internal Events Probabilistic Risk Assessment for Operations at Power

19.1.4.5.1 Methodology 19.1.4.5.2 Severe Accident Process and Phenomena

19.1.4.5.3 Level 2 Success Criteria

19.1.4.5.4 Containment Event Tree Analysis

19.1.4.5.5 Large Release Frequency and Conditional Containment Failure Probability

19.1.4.5.6 Importance Analysis 19.1.4.5.7 Key Sources of Uncertainty and Conclusion Level 1 Internal Events Probabilistic Risk Assessment for Low-Power Shutdown Operations 19.1.4.6.1 Plant Operating State Analysis

19.1.4.6.2 Initiating Event Analysis, Including Reactor Building Crane Failures

19.1.4.6.3 Success Criteria, Accident Sequence, and Systems Analyses

19.1.4.6.4 Human Reliability Analysis 19.1.4.6.5 Data Analysis

19.1.4.6.6 Quantification and Risk Insights

19.1.4.6.7 Conclusion Level 2 Internal Events Probabilistic Risk Assessment for Low-Power Shutdown Operations 19.1.4.7.1 Methodology

19.1.4.7.2 Quantification and Results

19.1.4.7.3 Conclusion External Events Probabilistic Risk Assessment for Operations at Power and Low-Power Shutdown

19.1.4.8.1 Seismic Risk Evaluation

19.1.4.8.2 Internal Fires Risk Evaluation

19.1.4.8.3 Internal Flooding Analysis

19.1.4.8.4 External Flooding Analysis

19.1.4.8.5 High-Winds Analysis

Evaluation of Multimodule Risk

Severe Accident Prevention

Severe Accident Mitigation 19.2.4.2.1 Scenario Selection for At-Power Accidents

19.2.4.2.2 Staff's Independent MELCOR Confirmatory Analysis

Containment Performance Capability 19.2.4.3.1 Deterministic Containment Performance

19.2.4.3.2 Probabilistic Containment Performance Accident Management Consideration of Potential Design Improvements

Federal RegisterFR Applicable Regulations Review Guidance Reasonably Formulated Assessment Design Features for Core Cooling

Key Design Features that Protect Core Cooling Design Features 19.5.3.3.1 Fire Barriers and Fire Protection Features 19.5.3.3.2 Reactor Building

19.5.3.3.3 Radwaste Building 19.5.3.3.4 Shock Damage Design Features for Maintaining an Intact Containment Spent Fuel Pool Integrity