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C1.25 - TB 597 - Table of Contents

1Introduction7
1.1Background7
1.2Deliverables7
1.3Contents of this TB8
2Requirements for Asset Sustainment9
2.1Asset Management9
2.1.1Organization of the asset management function9
2.1.2Governance of Electricity Transmission Infrastructure Companies10
2.1.3Asset management decision making10
2.2Tactics and Applications12
2.3Case Studies Tactics and Applications15
2.3.1A program for refurbishment of  a fleet of assets at midlife to achieve life extension15
2.3.2A program to replace assets proactively16
2.3.3A program to do nothing to defer CAPEX with acceptable risk19
2.3.4A program to run assets with risk mitigation investments in monitoring or increased maintenance, on-site spares or other options20
2.4Risk based preventive replacement of Nekaldiet cable joints21
2.4.1Introduction21
2.4.2Risk based removal approach22
2.5Condition based maintenance case23
2.5.1Introduction23
2.5.2Transformer aging24
2.5.3Maintenance and Capital Investment Optimization26
3Data/Information Requirements for Asset Management27
3.1Introduction27
3.1.1Tactical Asset Management Data Needs27
3.1.2Strategic Asset Management Data Needs28
3.1.3Asset management reporting and control information28
3.2Definition of Failure Statistics – What is Needed?30
3.2.1Asset Data and Information31
3.2.2Asset/Asset Group Specification31
3.2.3Failure Causes32
3.2.4Age/Duty/Stress33
3.2.5Degradation-Imminent Failure/ As-Found/As-Left Condition34
3.2.6Failure Rate Schema34
3.3Sources of Failure Data35
3.3.1CIGRE36
3.3.2IEEE38
3.3.3Nuclear Power Industry39
3.3.4Other Sources39
3.4Distinction between “End-of-Life” and “Failure”49
3.5Other Considerations51
3.5.1Past Strategies51
3.5.2Consequences and Costs51
3.5.3Financial, Cost and Value Impact Data and Information52
3.6How Can the Failure Database be Built?54
3.6.1Estimation of Failure Rate Distributions54
3.6.2Uses of Failure Data58
4Progress in Risk Management60
4.1TenneT and ISO 5500060
4.1.1Challenge of implementing60
4.1.2The solution for line of sight alignment61
4.1.3Line of sight at TenneT62
4.1.4Financial Terminology63
4.2Example of risk assessment64
4.3BCTC Sustaining Capital Investment Prioritization65
4.3.1Value Scores66
4.3.2Risk Scores66
4.3.3Project Prioritization67
4.3.4Project Prioritization Summary67
4.4RTE progress in Risk Management68
4.4.1Introduction68
4.4.2Methodology69
4.4.3Application of the methodology70
4.4.4The benefits of the methodology71
4.5Hydro One’s development of Risk Management71
4.5.1Introduction71
4.5.2Investment Proposals Development Methodology72
4.5.3Risk-based Prioritization and Selection of Business Plan73
4.5.4Application75
4.6Future proof vision of asset management within Liander75
4.7Condition Based Risk Management System by Transend77
4.7.1Introduction77
4.7.2Key Inputs for Health Index calculation77
4.7.3Key Outputs from Health Index calculation78
4.7.4Progression from Health Index to Risk calculation79
4.7.5Key Inputs for Risk calculation80
4.7.6Key Outputs from Risk calculation81
4.7.7Conclusions82
5Conclusions and recommendations83
5.1Conclusions83
5.1.1Requirements for Asset Sustainment83
5.1.2Data/ Information Requirements for Asset Management83
5.1.3Progress in Risk Management83
5.2Recommendations for further work84
5.2.1Requirements for Asset Sustainment84
5.2.2Recommendation of ISO55000 Application to ETCs85
5.2.3Data/ Information Requirements for Asset Management85
6References87