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1 | (14) |
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1 | (1) |
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1.2 Historical Perspective on Probabilistic Risk Assessment and Risk-Based Applications |
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2 | (1) |
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1.3 Integrated Risk-Based Engineering Approach |
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3 | (2) |
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1.4 Factor of Safety and Uncertainty |
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5 | (2) |
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1.5 Basic Framework for Integrated Risk-Based Engineering |
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7 | (1) |
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1.6 Major Elements of Integrated Risk-Based Engineering |
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8 | (4) |
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12 | (3) |
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15 | (16) |
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15 | (1) |
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16 | (2) |
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2.3 Risk Characterization |
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18 | (4) |
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2.3.1 Risk Characterization Policy and Principles |
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20 | (1) |
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2.3.2 Major Elements of Risk Characterization |
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20 | (1) |
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2.3.3 Roles of People and Organizations |
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21 | (1) |
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2.4 Risk Assessment Techniques |
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22 | (3) |
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2.4.1 Failure Mode Effect Analysis (FMEA) |
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22 | (1) |
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2.4.2 Hazard and Operability (HAZOP) Analysis |
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23 | (1) |
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2.4.3 Probabilistic Risk Assessment (PRA) |
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23 | (1) |
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2.4.4 Quantitative Risk Assessment |
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24 | (1) |
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2.4.5 Other Risk Assessment Approaches |
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24 | (1) |
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25 | (4) |
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29 | (2) |
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3 Probabilistic Approach to Reliability Engineering |
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31 | (40) |
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31 | (1) |
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3.2 Life Characteristics: The Bathtub Curve |
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32 | (2) |
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3.3 Probability Theory: Main Concepts |
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34 | (6) |
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34 | (1) |
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3.3.2 Derivation of Reliability Function from the First Principle |
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35 | (3) |
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3.3.3 Reliability Characteristics |
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38 | (2) |
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3.4 Probability Distribution Functions |
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40 | (16) |
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3.4.1 Continuous Distribution Function |
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41 | (9) |
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3.4.2 Discrete Distributions |
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50 | (3) |
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3.4.3 Joint Probability and Marginal Distribution |
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53 | (1) |
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3.4.4 Determining Applicable Distribution |
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54 | (2) |
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3.5 Statistical Estimation of Failure Rate |
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56 | (6) |
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56 | (5) |
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3.5.2 Confidence Interval Estimation |
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61 | (1) |
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62 | (4) |
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63 | (2) |
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3.6.2 Kolmogorov--Smirnov Test |
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65 | (1) |
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66 | (3) |
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69 | (2) |
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4 System Reliability Modeling |
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71 | (44) |
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4.1 Background and Overview |
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71 | (1) |
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4.2 Reliability Block Diagram |
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72 | (4) |
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72 | (2) |
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4.2.2 Parallel Configurations |
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74 | (1) |
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4.2.3 Complex Configurations |
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75 | (1) |
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4.3 Failure Mode and Effects Analysis |
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76 | (5) |
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81 | (9) |
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4.4.1 Basic Entities in a Fault Tree |
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82 | (3) |
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4.4.2 Fault Tree Analysis: General Considerations |
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85 | (2) |
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4.4.3 Quantitative Analysis |
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87 | (3) |
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90 | (3) |
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93 | (8) |
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4.6.1 Markov Model for a Single-Component Non-repairable System |
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94 | (1) |
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4.6.2 Markov Model for a Repairable System |
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95 | (6) |
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4.7 Advanced Approaches in System Analysis: An Overview |
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101 | (11) |
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101 | (4) |
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4.7.2 Dynamic Event Tree Analysis |
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105 | (3) |
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4.7.3 Binary Decision Diagram |
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108 | (4) |
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112 | (3) |
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115 | (26) |
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115 | (1) |
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116 | (3) |
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5.3 Major Steps in Life Prediction |
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119 | (1) |
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5.4 Material Properties and Component Characterization for Life Testing |
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120 | (2) |
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121 | (1) |
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121 | (1) |
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5.4.3 Repairable and Replaceable Systems |
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121 | (1) |
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122 | (1) |
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5.5 Definition of Failure |
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122 | (1) |
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5.6 Material Degradation and Its Characterization |
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123 | (3) |
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125 | (1) |
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5.6.2 Chemical Composition |
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125 | (1) |
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5.6.3 Role of Crystal Structure in Material Failure |
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125 | (1) |
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5.7 Life Prediction/Assessment Approaches |
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126 | (12) |
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5.7.1 Nondestructive Testing (NDT) |
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127 | (2) |
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129 | (1) |
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5.7.3 Highly Accelerated Stress Screening |
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130 | (6) |
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5.7.4 Simulation-Based Approaches |
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136 | (1) |
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5.7.5 Prognostics and Health Management |
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137 | (1) |
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138 | (1) |
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138 | (3) |
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6 Probabilistic Risk Assessment |
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141 | (96) |
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141 | (1) |
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6.2 Basic Elements of Risk |
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142 | (1) |
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143 | (2) |
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6.4 Role of PRA for Risk-Based Applications |
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145 | (3) |
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6.5 Quality in PRA and Its Applications |
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148 | (4) |
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6.6 General Elements of PRA |
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152 | (6) |
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152 | (2) |
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154 | (1) |
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6.6.3 Limited- and Full-Scope Level 1 PRA |
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155 | (3) |
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6.7 Methodology for Limited-Scope Level 1 PRA |
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158 | (28) |
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6.7.1 Organizational and Management |
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158 | (2) |
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6.7.2 Plant Familiarization |
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160 | (1) |
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6.7.3 Identification of Plant Hazards and Formulation of a List of Applicable Initiating Events |
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161 | (1) |
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6.7.4 Initiating Event Analysis |
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162 | (1) |
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6.7.5 Accident Sequence Analysis |
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163 | (1) |
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164 | (5) |
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6.7.7 Failure Criteria Evaluation |
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169 | (2) |
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6.7.8 Data Collection and Analysis |
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171 | (3) |
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6.7.9 Initiating Event Frequency Quantification |
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174 | (1) |
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6.7.10 Major Component Categories and Model for Estimating Unavailability |
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174 | (1) |
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175 | (6) |
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6.7.12 Human Reliability Analysis |
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181 | (1) |
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6.7.13 Accident Sequence Quantification |
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181 | (2) |
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6.7.14 Uncertainty Analysis |
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183 | (1) |
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6.7.15 Sensitivity Analysis |
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183 | (1) |
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6.7.16 Importance Analysis |
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184 | (1) |
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6.7.17 Core Damage Frequency-Related Aspects and Formulation of Results and Their Interpretation |
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184 | (2) |
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186 | (1) |
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6.8 Beyond Limited-Scope PRA---Other Major Modules for Full-Scope Level 1 PRA |
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186 | (32) |
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6.8.1 Low-Power and Shutdown PRA |
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187 | (10) |
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6.8.2 Fuel Storage Pool PRA |
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197 | (2) |
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199 | (10) |
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209 | (9) |
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218 | (5) |
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218 | (1) |
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6.9.2 Level 2 PRA Methodology |
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219 | (4) |
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223 | (8) |
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223 | (1) |
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6.10.2 Overview of Methodology |
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224 | (1) |
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225 | (1) |
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6.10.4 Meteorological Data and Sampling |
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225 | (1) |
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6.10.5 Agricultural and Population Data |
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225 | (1) |
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6.10.6 Atmospheric Dispersion and Propagation |
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226 | (1) |
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227 | (1) |
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228 | (1) |
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228 | (1) |
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6.10.10 Economic Losses and Public Conscience |
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229 | (1) |
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6.10.11 Results and Applications |
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229 | (2) |
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6.11 Conclusions and Final Remark |
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231 | (1) |
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231 | (6) |
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237 | (34) |
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237 | (1) |
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7.2 Evolution of Risk-Based Design Approach---A Review |
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238 | (2) |
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240 | (1) |
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7.4 Salient Features of Risk-Based Design |
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241 | (1) |
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7.5 Major Elements of Risk-Based Design |
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242 | (10) |
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7.5.1 Identification of Safety and Functional Objectives |
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243 | (1) |
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7.5.2 Quality Assurance Program |
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244 | (1) |
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7.5.3 Postulation of Events and Hazards |
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244 | (1) |
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7.5.4 Formulation of an Integrated Design Framework |
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245 | (1) |
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7.5.5 Evaluation of SSCs Failure Criteria |
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246 | (1) |
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7.5.6 Characterization of Risk and Uncertainty Goals/Targets |
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247 | (1) |
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7.5.7 Structural Safety Margin Assessment |
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247 | (1) |
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7.5.8 Evaluation of Defense in Depth |
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248 | (1) |
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7.5.9 Surveillance/Prognostics and Health Management Program |
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248 | (1) |
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7.5.10 FMEA and Root Cause Analysis |
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249 | (1) |
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7.5.11 Human Factor Considerations |
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249 | (1) |
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7.5.12 Identification and Prioritization of Design Issues |
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250 | (1) |
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7.5.13 Evaluation of Plant/System Configuration |
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251 | (1) |
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7.5.14 Documentation: Safety Reports and Formulation of Technical Specifications |
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251 | (1) |
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7.6 Higher-Level Modeling: Probabilistic Risk Assessment |
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252 | (2) |
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7.7 Lower-Level Modeling: Structural Probabilistic Methods |
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254 | (12) |
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7.7.1 Structural Reliability: Stress/Strength Concept |
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254 | (3) |
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7.7.2 Derivation of Reliability Expression for Stress/Strength Interference |
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257 | (2) |
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7.7.3 Selected Structural-Based Methods |
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259 | (7) |
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7.8 Major Supporting Tools |
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266 | (1) |
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266 | (1) |
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7.10 Case Study: Use of Available Safety Margins to Demonstrate Reactor Safety |
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267 | (1) |
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267 | (1) |
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268 | (3) |
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8 Fatigue and Fracture Risk Assessment: A Probabilistic Framework |
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271 | (20) |
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271 | (2) |
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8.2 Fatigue and Fracture: Background |
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273 | (1) |
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8.3 Deterministic Approach |
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274 | (4) |
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275 | (1) |
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8.3.2 Fracture Mechanics Approaches |
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276 | (2) |
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8.4 Probabilistic Approaches |
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278 | (11) |
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8.4.1 Probabilistic Tools and Methods |
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279 | (1) |
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8.4.2 An Overview of Probabilistic Fatigue Reliability Models |
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279 | (1) |
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280 | (1) |
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8.4.4 Probabilistic Fracture Mechanics Approach |
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281 | (6) |
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8.4.5 Risk Assessment and Impact Analysis |
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287 | (2) |
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8.5 Conclusion and Remarks |
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289 | (2) |
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291 | (22) |
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291 | (1) |
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9.2 Treatment of Uncertainty: A Historical Perspective |
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292 | (2) |
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9.3 Risk-Based Methods and Uncertainty Characterization |
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294 | (2) |
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9.3.1 Major Features of Risk-Based Approach Relevant to Uncertainty Characterization |
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294 | (1) |
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9.3.2 Major Issues for Implementation of Integrated Risk-Based Engineering Approach |
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295 | (1) |
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9.4 Uncertainty Analysis in Support of IRBE: A Brief Overview |
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296 | (6) |
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9.4.1 Risk and Uncertainty |
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296 | (1) |
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9.4.2 Taxonomy of Uncertainty |
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296 | (3) |
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9.4.3 Overview of Approaches for Uncertainty Modeling |
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299 | (2) |
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9.4.4 Uncertainty Propagation |
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301 | (1) |
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9.5 Decisions Under Uncertainty |
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302 | (5) |
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9.5.1 Engineering Design and Analysis |
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302 | (1) |
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9.5.2 Management of Operational Emergencies |
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303 | (3) |
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306 | (1) |
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9.6 Codes, Guides, and References on Uncertainty Characterization |
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307 | (1) |
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9.7 Summary and Conclusions |
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308 | (1) |
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309 | (4) |
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313 | (62) |
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313 | (2) |
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10.2 A Brief Overview of Human Reliability Techniques |
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315 | (5) |
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10.3 Motivation for the CQB-Based Human Reliability Approach |
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320 | (4) |
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10.3.1 Why We Need a New Approach |
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320 | (1) |
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10.3.2 What Is New in the CQB Approach |
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321 | (1) |
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10.3.3 Proposed Human Model for CQB |
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322 | (1) |
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10.3.4 How the CQB-Based Human Reliability Approach Works |
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323 | (1) |
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10.4 Basic Philosophy and Supporting Input for the CQB Model |
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324 | (8) |
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324 | (2) |
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326 | (1) |
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327 | (1) |
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10.4.4 Brain and Brain Waves |
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327 | (4) |
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10.4.5 Inter-relationship of Basic CQB Elements |
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331 | (1) |
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332 | (22) |
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10.5.1 Fundamental Tenets of CQB Approach |
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332 | (4) |
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10.5.2 The Integrated Human Model in CQB |
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336 | (2) |
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10.5.3 Stress-Strength Model |
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338 | (2) |
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10.5.4 Human Performance Influencing Factors (HPIS) in CQB |
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340 | (10) |
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10.5.5 CQB Mathematical Model |
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350 | (4) |
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354 | (16) |
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10.6.1 Plant/Facility Familiarization |
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355 | (1) |
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10.6.2 Identification of Human Error Events |
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356 | (2) |
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358 | (1) |
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10.6.4 Definition of the Event |
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359 | (1) |
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10.6.5 Event Characterization |
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360 | (1) |
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10.6.6 Qualitative Assessment |
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361 | (2) |
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10.6.7 Data Collection and Analysis |
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363 | (3) |
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10.6.8 Quantitative Analysis |
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366 | (1) |
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10.6.9 Uncertainty Analysis |
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367 | (2) |
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10.6.10 Identification of Major Human Risk Contributors |
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369 | (1) |
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10.6.11 Assessment of Impact of Human Error in PRA |
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370 | (1) |
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10.7 Tools and Approaches to Reduce Human Error Probability |
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370 | (2) |
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10.7.1 Deployment of Operator Support Systems |
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370 | (1) |
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10.7.2 Reduction in Human Action by Automation |
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371 | (1) |
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10.7.3 Modification to Secondary Factors |
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371 | (1) |
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10.7.4 Simulator-Based Training |
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371 | (1) |
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10.8 Conclusions and Remarks |
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372 | (1) |
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372 | (3) |
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11 Digital System Reliability |
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375 | (42) |
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375 | (1) |
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376 | (2) |
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11.3 Design for Reliability |
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378 | (11) |
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11.3.1 Governing Design Considerations |
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378 | (6) |
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11.3.2 Formulation of System Requirements and Constraints |
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384 | (1) |
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11.3.3 Postulating the Life Cycle Environment |
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384 | (1) |
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11.3.4 Supply Chain Management and Quality Assurance |
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385 | (1) |
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11.3.5 Failure Mode, Mechanism, and Effect Analysis (FMMEA) |
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386 | (1) |
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11.3.6 Manufacturing Issues |
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386 | (1) |
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11.3.7 Special Safety Issues |
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387 | (2) |
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11.4 Risk-Based Modeling for Design Evaluation: A Probabilistic Approach |
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389 | (22) |
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390 | (1) |
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11.4.2 Limitations of the Traditional Approach |
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390 | (1) |
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11.4.3 Failure Mode Taxonomy for Digital Systems |
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391 | (2) |
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11.4.4 Reference System Description |
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393 | (2) |
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11.4.5 Technical Requirements in Probabilistic |
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395 | (2) |
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11.4.6 A Brief Overview of Modeling Approaches: State of the Art |
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397 | (1) |
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11.4.7 A Simplified Approach to Digital System Modeling |
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398 | (13) |
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11.5 Codes and Standards for Digital Protection Systems |
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411 | (1) |
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11.6 Conclusions and Final Remarks |
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412 | (2) |
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414 | (3) |
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12 Physics-of-Failure Approach for Electronics |
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417 | (30) |
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417 | (1) |
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12.2 Life Cycle Aspects and Failure Distributions |
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418 | (2) |
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12.3 Physics of Failure-Based Reliability |
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420 | (10) |
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12.3.1 Inputs for the PoF Approach |
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421 | (1) |
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12.3.2 Failure Modes, Mechanisms, and Effects Analysis (FMMEA) |
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422 | (8) |
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12.4 Virtual Qualification and Testing |
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430 | (3) |
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12.5 Physical Qualification |
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433 | (1) |
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12.6 System-Level Reliability and Standards |
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434 | (2) |
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12.7 Prognostics and Health Management |
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436 | (6) |
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12.7.1 Life Consumption Monitoring |
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436 | (2) |
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12.7.2 "Canary" Prognostics |
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438 | (4) |
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442 | (1) |
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443 | (4) |
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13 Prognostics and Health Management |
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447 | (62) |
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447 | (3) |
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13.2 A Brief Overview of Surveillance and Condition Monitoring in NPPs |
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450 | (5) |
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13.3 Prognostics and Health Management and Integrated Risk-Based Engineering |
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455 | (1) |
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13.4 Requirements of Prognostics for IRBE Applications |
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456 | (6) |
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457 | (1) |
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457 | (2) |
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459 | (1) |
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13.4.4 Application-Specific Prognostics |
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459 | (1) |
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13.4.5 Level of Implementation |
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459 | (1) |
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13.4.6 Risk Assessment Approach |
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460 | (1) |
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13.4.7 Existing Maintenance and Health Management Strategy |
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460 | (1) |
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461 | (1) |
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13.4.9 Approach for Implementation |
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461 | (1) |
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13.4.10 Tools and Methods |
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462 | (1) |
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13.4.11 Cost/Benefit Studies |
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462 | (1) |
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13.5 Prognostic Framework for Nuclear Plants |
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462 | (37) |
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462 | (2) |
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464 | (24) |
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13.5.3 Uncertainty in PHM |
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488 | (2) |
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13.5.4 Performance Metrics |
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490 | (7) |
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13.5.5 Verification and Validation of PHM Capabilities |
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497 | (1) |
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13.5.6 Limitations of Prognostic Methods |
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498 | (1) |
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13.6 Conclusions and Recommendations |
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499 | (2) |
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501 | (8) |
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14 Risk-Informed Decisions |
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509 | (22) |
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509 | (3) |
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14.2 Generic Steps in Decision-Making |
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512 | (1) |
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14.3 Basic Requirements for Risk-Informed Decisions |
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513 | (1) |
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14.4 Role of PRA in the Risk-Informed Approach |
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514 | (1) |
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14.5 Acceptability of PRA as Part of Risk-Informed Applications |
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515 | (3) |
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14.5.1 Limitations of PRA |
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516 | (1) |
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14.5.2 PRA Requirements for Specific Applications |
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517 | (1) |
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14.6 Overview of Risk-Informed Developments |
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518 | (5) |
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14.6.1 IAEA RIDM Development Status |
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518 | (1) |
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14.6.2 USNRC Development Program |
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519 | (2) |
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14.6.3 NASA Risk-Informed Development Program |
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521 | (1) |
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14.6.4 NEA RIDM Development Status |
|
|
522 | (1) |
|
14.6.5 Related Literature on Risk-Informed Decision-Making |
|
|
523 | (1) |
|
14.7 Integrated Decision-Making |
|
|
523 | (4) |
|
14.8 Final Remarks and Conclusions |
|
|
527 | (1) |
|
|
528 | (3) |
|
15 Risk-Based/Risk-Informed Applications |
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|
531 | (30) |
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|
531 | (1) |
|
15.2 Risk-Informed/Risk-Based Application Areas |
|
|
531 | (1) |
|
15.3 Risk-Informed/Risk-Based Case Studies |
|
|
532 | (23) |
|
15.3.1 Case Study 1: Integrated Design Evaluation |
|
|
533 | (2) |
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15.3.2 Case Study 2: Surveillance Test Interval Optimization |
|
|
535 | (2) |
|
15.3.3 Case Study 3: Life Extension in Support of Relicensing |
|
|
537 | (5) |
|
15.3.4 Case Study 4: Risk Monitor |
|
|
542 | (2) |
|
15.3.5 Case Study 5: Risk-Based In-Service Inspection |
|
|
544 | (4) |
|
15.3.6 Case Study 6: Risk-Based Operator Support System |
|
|
548 | (4) |
|
15.3.7 Case Study 7: Risk-Based Approach to Re-assess the Enhancement in Safety Margin |
|
|
552 | (3) |
|
|
555 | (3) |
|
|
558 | (3) |
Annexure |
|
561 | |