Advances in safety related maintenance

COVER......Page 1
FOREWORD......Page 4
EDITORIAL NOTE......Page 5
CONTENTS......Page 6
1. INTRODUCTION......Page 9
2.2. PROCESSES FOR DEFINING MAINTENANCE......Page 10
2.3. PROCESSES FOR EXECUTION OF SAFETY RELATED MAINTENANCE AND SURVEILLANCE......Page 16
2.4. IMPROVING MAINTENANCE......Page 18
3.1. INTRODUCTION......Page 19
3.2. DISCUSSION OF ISSUES RELATED TO PLANT PROCESSES......Page 20
3.3. CONSIDERATIONS REGARDING SUPPORT ACTIVITIES......Page 21
3.4. MAINTENANCE RELATED INDICATORS......Page 22
4.2. ISSUES ASSOCIATED WITH PSA APPLICATIONS IN MAINTENANCE......Page 23
5.1. DETERMINISTIC/ENGINEERING CONSIDERATIONS......Page 27
5.2. ELEMENTS OF A MAINTENANCE PROGRAMME POTENTIALLY AFFECTED BY PSA......Page 28
5.3. ROLE OF PSA IN STRENGTHENING THE DETERMINISTIC BASIS......Page 29
5.4. EXAMPLES WHICH SHOW THAT PSA SERVES AS A GOOD COMPLEMENT TO OTHER APPROACHES......Page 31
6.2. QUALITY ASSURANCE......Page 32
6.4. INTERFACE WITH REGULATORY BODY......Page 33
6.5. INTERFACE BETWEEN MAINTENANCE PERSONNEL AND OTHER NPP STAFF......Page 34
6.6. LIFE MANAGEMENT......Page 35
7. FINAL REMARKS......Page 37
Annex: PAPERS PRESENTED AT THE TECHNICAL COMMITTEE MEETING......Page 38
2. NPP'S REGULATORY CONTROL......Page 39
3. MAINTENANCE ACTIVITIES PERFORMED BY UTILITIES......Page 41
4. REVIEW OF MAINTENANCE REGULATORY POLICY......Page 42
5. CONCLUSIONS......Page 43
Introduction......Page 44
Operational State Probabilities......Page 46
Availability......Page 47
Tests between Preventive Maintenance Activities......Page 48
Comparison of Different Test Strategies......Page 52
Tests with the Capability of Detecting Component Degradation......Page 54
Unscheduled Maintenance Activities......Page 60
CONCLUSIONS AND RECOMMENDATIONS......Page 63
RCM VS. TRADITIONAL MAINTENANCE PRACTICE — SOME PROBLEMS WHEN RCM IS INTRODUCED FOR THE FIRST TIME......Page 64
Paper......Page 65
REFERENCES......Page 67
1. INTRODUCTION......Page 68
2. MAINTENANCE DECISIONS AND APPLICABLE TOOLS/METHODS AND CONSTRAINTS......Page 69
3. USE OF PS A IN MAINTENANCE DECISIONS......Page 71
4. IMPLEMENTATION CONSIDERATION AND TECHNOLOGY DEVELOPMENT......Page 73
REFERENCES......Page 74
1. Background......Page 75
2. Study on the approaches......Page 76
3. Introduction to THRMS......Page 77
4. Conclusion......Page 79
Introduction......Page 80
Temelin NPP PSA Project Key Features......Page 81
Features and Development Activities of Safety MonitorTM for Temelin NPP......Page 82
Status of Temelin Safety Monitor Development Activities......Page 83
Intended Use of Safety Monitor at Temelin......Page 84
1. PROBLEMS AND SOLUTIONS......Page 90
2. SPECIAL TOOLS AND TACKLES......Page 92
5. ADHERENCE TO PRODUCERS......Page 93
7. CONCLUSION......Page 94
8. PERFORMANCE STATISTICS......Page 95
2. STATISTICAL ANALYSIS OF COMPONENT OPERATING EXPERIENCE AND FAILURE DATA......Page 97
3. RISK-BASED EXAMINATION OF STI OF SAFETY-RELATED VALVES......Page 100
4. RISK-BASED O&M MANAGEMENT WHEN A FAILURE IS DETECTED......Page 104
5. CONCLUSION......Page 106
REFERENCES......Page 107
1.0 INTRODUCTION......Page 108
2.0 METHODOLOGY DESCRIPTION......Page 109
3.0 PRELIMINARY RESULTS......Page 112
4.0 CONCLUSIONS......Page 117
REFERENCES......Page 118
1. Introduction......Page 119
3. RCM applications in Norway - some experience......Page 120
5. Baseline study......Page 122
7. Experience so far......Page 124
1. INTRODUCTION......Page 125
2. IDENTIFICATION OF RISK-CRITICAL COMPONENTS BASED UPON THE PSA RESULTS......Page 128
3. RELIABILITY CENTERED MAINTENANCE PROGRAM METHODOLOGY......Page 132
REFERENCES......Page 137
1. ROMANIA'S LARGEST SINGLE POWER UNIT, CERNAVODA 1, THE ONLY NUCLEAR FACILITY IN EASTERN EUROPE EFFECTIVELY BASED ON WESTERN TECHNOLOGY AND INTERNATIONALLY RECOGNISED SAFETY CRITERIA......Page 138
3. MAINTENANCE MANAGEMENT SHORT-TERM OBJECTIVES......Page 139
4. DEVELOPMENT AND IMPLEMENTATION OF EXISTING MAINTENANCE PROGRAMS......Page 140
6. CONCLUSIONS......Page 141
REFERENCES......Page 142
1. INTRODUCTION......Page 145
2. KALININ NPP SPECIFIC STUDY......Page 146
3. KOLA UNIT 3 AND 4 SPECIFIC STUDY......Page 147
4. RECENT ACTIVITY......Page 148
Conclusion......Page 150
2. Recent research......Page 152
3. Risk Comparison Approach......Page 153
4. Analytical Solution......Page 154
5. Numerical Solution......Page 155
6. Results of an Example......Page 156
References......Page 157
1. INTRODUCTION......Page 159
2. BASIC OBJECTIVES AND STRUCTURE OF REMANENT LIFE MANAGEMENT PROGRAMMES (RLMP)......Page 160
3. DESCRIPTION OF ENGINEERING TASKS FOR RLMP......Page 161
4. REMANENT LIFE EVALUATION SYSTEMS. ENGINEERING TASKS FOR ADAPTATION AND USE......Page 167
Appendix A - AGEING OF MAIN COMPONENTS IN NUCLEAR POWER PLANTS......Page 168
Appendix B - MAINTENANCE RELATED TO LIFE MANAGEMENT......Page 177
2.0 PROGRAM OBJECTIVES......Page 183
4.0 SUMMARY OF METHODOLOGY......Page 184
5.0 MAIN CONCERNS RELATED WITH THE BASIC STEPS......Page 185
8.0 DEFINITIONS......Page 188
INTRODUCTION......Page 190
ON-LINE MAINTENANCE APPLICATIONS AT COFRENTES NPP......Page 191
CONCLUSIONS......Page 195
REFERENCES......Page 196
2. Reliability Centred Maintenance......Page 197
3. The Safety Monitor and Risk-informed Feedback......Page 199
4. Conclusion......Page 200
References......Page 201
Risk-Based Process......Page 202
Application Study of RBI at a BWR......Page 203
Benefits of the BWR RBI Program......Page 204
Advantages of the Quantitative RBI Approach......Page 205
Risk-Based Testing......Page 206
References......Page 207
A. PURPOSE......Page 210
C. PRA's ROLE AND INTERFACES WITH OTHER DEPARTMENTS......Page 211
D. RESOURCE REQUIREMENTS......Page 212
E. SIGNIFICANT SAFETY BENEFITS......Page 214
F. CONCLUSIONS......Page 215
LIST OF PARTICIPANTS......Page 216