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ASME PCC-3-2017 Inspection Planning Using Risk-Based Methods, 2017
- CONTENTS
- FOREWORD
- ASME POST CONSTRUCTION COMMITTEE ROSTER
- CORRESPONDENCE WITH THE POST CONSTRUCTION COMMITTEE
- ASME PCC-3-2017 SUMMARY OF CHANGES
- 1 SCOPE, INTRODUCTION, AND PURPOSE [Go to Page]
- 1.1 Scope
- 1.2 Introduction
- 1.3 Purpose
- 1.4 Relationship to Regulatory and Jurisdictional Requirements
- 2 BASIC CONCEPTS [Go to Page]
- 2.1 Risk
- 2.2 Overview of Risk Analysis
- 2.3 Inspection Optimization
- 3 INTRODUCTION TO RISK-BASED INSPECTION [Go to Page]
- 3.1 Items RBI Will Not Compensate for
- 3.2 Consequence and Probability for Risk-Based Inspection
- 3.3 Risk Analysis Methodology
- 3.4 Understanding How RBI Helps to Manage Operating Risks
- 3.5 Inspection Plan
- 3.6 Management of Risks
- 3.7 Relationship Between RBI and Other Risk-Based and Safety Initiatives
- 3.8 Relationship With Jurisdictional Requirements
- 4 PLANNING THE RISK ANALYSIS [Go to Page]
- 4.1 Getting Started
- 4.2 Outcome of the Planning Portion of the Process
- 4.3 Establish Objectives
- 4.4 Initial Screening
- 4.5 Selecting a Risk Analysis Approach
- 4.6 Estimating Resources and Time Required
- 5 DATA AND INFORMATION COLLECTION [Go to Page]
- 5.1 Introduction
- 5.2 General
- 5.3 Data Needs and Common Types of Data
- 5.4 Data Quality and Validation
- 6 DAMAGE MECHANISMS AND FAILURE MODES [Go to Page]
- 6.1 Introduction
- 6.2 Identification of Damage Mechanisms
- 6.3 Damage Mechanisms
- 6.4 Failure Modes
- 6.5 Accumulated Damage
- 6.6 Tabulating Results
- 7 DETERMINING PROBABILITY OF FAILURE [Go to Page]
- 7.1 Introduction to Probability Analysis
- 7.2 Determination of Probability of Failure
- 7.3 Units of Measure for Probability of Failure Analysis
- 7.4 Types of Probability Analysis
- 8 DETERMINING CONSEQUENCE OF FAILURE [Go to Page]
- 8.1 Introduction to Consequence Analysis
- 8.2 Other Functional Failures
- 8.3 Types of Consequences and Units of Measure
- 8.4 Analysis of the Consequence of Failure
- 8.5 Determination of Consequence of Failure
- 8.6 Volume of Fluid Released
- 8.7 Hazard Categories
- 9 RISK DETERMINATION, ANALYSIS, AND MANAGEMENT [Go to Page]
- 9.1 Introduction
- 9.2 Determination of Risk
- 9.3 Assumptions
- 9.4 Sensitivity Analysis
- 9.5 Risk Communication
- 9.6 Establishing Acceptable Risk Thresholds
- 9.7 Risk Management
- 10 RISK MANAGEMENT WITH INSPECTION ACTIVITIES [Go to Page]
- 10.1 Managing Risk by Reducing Uncertainty Through Inspection
- 10.2 Identifying Opportunities for Risk Reduction From RBI and Probability of Failure Results
- 10.3 Establishing an Inspection Strategy Based on Risk Analysis
- 10.4 Managing Risk With Inspection Activities
- 10.5 Managing Inspection Costs With RBI
- 10.6 Assessing Inspection Results and Determining Corrective Action
- 10.7 Achieving Lowest Life Cycle Costs With RBI
- 11 OTHER RISK MITIGATION ACTIVITIES [Go to Page]
- 11.1 General
- 11.2 Equipment Replacement and Repair
- 11.3 Fitness-for-Service Assessment
- 11.4 Equipment Modification, Redesign, and Rerating
- 11.5 Emergency Isolation
- 11.6 Emergency Depressurizing/De-inventory
- 11.7 Modify Process
- 11.8 Reduce Inventory
- 11.9 Water Spray/Deluge
- 11.10 Water Curtain
- 11.11 Blast-Resistant Construction
- 11.12 Other Mitigation Activities
- 12 REANALYSIS [Go to Page]
- 12.1 Introduction
- 12.2 When to Conduct RBI Reanalysis
- 13 ROLES, RESPONSIBILITIES, TRAINING, AND QUALIFICATIONS [Go to Page]
- 13.1 Interdisciplinary Approach
- 13.2 RBI Team Roles and Responsibilities
- 13.3 Training and Qualifications
- 14 DOCUMENTATION AND RECORD KEEPING [Go to Page]
- 14.1 General
- 15 DEFINITIONS AND ACRONYMS [Go to Page]
- 15.1 Definitions
- 15.2 Acronyms
- 16 REFERENCES
- Figures [Go to Page]
- Fig. 2.1 Risk Plot
- Fig. 2.3 Management of Risk Using RBI
- Fig. 3.3.1 Continuum of RBI Approaches
- Fig. 3.3.4 Risk-Based Inspection Planning Process
- Fig. 4.4.1 Relationship Among Component, Equipment, System, Process Unit, and Facility
- Fig. 8.5 Determination of Consequence of Failure
- Fig. 9.2.1 Example of Calculating the Probability of a Specific Consequence
- Fig. 9.5.1 Example Risk Matrix Using Probability and Consequence Categories
- Fig. D-4.3 Process of Performing a Monte Carlo Simulation
- Fig. D-5.1 Probability of Failure Rate vs. Time
- Tables [Go to Page]
- Table 2.3 Factors Contributing to Loss of Containment
- Table 8.3.5-1 Three-Level Safety, Health, and Environmental Consequence Categories
- Table 8.3.5-2 Six-Level Safety, Health, and Environmental Consequence Categories
- Table 8.3.7 Six-Level Table
- Table 16-1 Reference Documents
- Table 16-2 Procurement Information
- Table A-1 Damage Mechanism Definitions
- NONMANDATORY APPENDICES [Go to Page]
- NONMANDATORY APPENDIX A DAMAGE MECHANISM DEFINITIONS
- NONMANDATORY APPENDIX B DAMAGE MECHANISM AND DEFECTS SCREENING TABLE
- NONMANDATORY APPENDIX C TABLE OF EXAMINATION/MONITORING METHODS
- NONMANDATORY APPENDIX D QUANTITATIVE METHODS INCLUDING EXPERT OPINION ELICITATION [Go to Page]
- D-1 INTRODUCTION
- D-2 QUANTITATIVE PROBABILITY ANALYSIS [Go to Page]
- D-2.1 Definition
- D-2.2 Approaches to Quantitative Probability Analysis [Go to Page]
- D-2.2.1 Objective Approach.
- D-2.2.2 Subjective Approach.
- D-2.3 Rules of Probability
- D-3 FAULT TREE/EVENT TREE/DECISION TREE [Go to Page]
- D-3.1 Tree Structures [Go to Page]
- D-3.1.1 Event Tree.
- D-3.1.2 Fault Tree.
- D-3.1.3 Decision Tree.
- D-3.2 Event Trees Versus Fault Trees
- D-3.3 Fault/Event Tree Construction [Go to Page]
- D-3.3.1 Components of Event and Fault Trees
- D-3.4 Decision Trees
- D-4 MONTE CARLO SIMULATION METHOD [Go to Page]
- D-4.1 Definition
- D-4.2 Methodology
- D-4.3 Components
- D-4.4 Inputs
- D-4.5 Requirements [Go to Page]
- D-4.5.1 Probability of Failure With Time.
- D-4.5.2 Probabilistic Simulation of Failure.
- D-4.5.3 Failure Criterion.
- D-4.5.4 Present Damage State From NDE.
- D-4.5.5 Operating Environment.
- D-4.5.6 Damage Rate Model.
- D-4.5.7 Damage Mechanism.
- D-5 LIFETIME RELIABILITY MODELS [Go to Page]
- D-5.1 Population Lifetime
- D-5.2 Periods of the Bathtub Curve [Go to Page]
- D-5.2.1 Infant Mortality.
- D-5.2.2 Constant Failure Rate.
- D-5.2.3 Wear-Out Period.
- D-5.3 Weibull Distribution
- D-6 GENERIC FAILURE CURVES [Go to Page]
- D-6.1 Generic Databases
- D-6.2 Generic Versus Specific Databases [Go to Page]
- D-6.2.1 Specific Databases.
- D-6.3 Updating Specific and Generic Data [Go to Page]
- D-6.3.1 Combining Data.
- D-6.3.2 BayesΠTheorem.
- D-7 EXPERT ELICITATION AND INTUITIVE OPINION [Go to Page]
- D-7.1 Description of Process
- D-7.2 Characteristics of the Expert Elicitation Process [Go to Page]
- D-7.2.1 Availability.
- D-7.2.2 Unanchoring.
- D-7.3 Methods of Elicitation [Go to Page]
- D-7.3.1 Indirect Intuitive.
- D-7.3.2 Direct.
- D-7.3.3 Parametric Estimation.
- D-7.4 Indirect or Intuitive Opinion Interview Techniques1 [Go to Page]
- D-7.4.1 Plant Personnel Intuition.
- D-7.4.2 Interview Steps.
- D-7.4.3 Team Approach.
- D-7.4.4 Interview Process.
- D-7.4.5 Time Estimate to Failure.
- D-7.4.6 Determine Relative Probability of Failure.
- D-7.4.7 Probability of Failure by Time Increment.
- D-7.4.8 Summary of Steps
- D-7.5 Direct or Cognitive Expert Elicitation Interview Techniques2 [Go to Page]
- D-7.5.1 Delphi Method.
- D-7.5.2 Questions.
- D-7.5.3 Combination of Probabilities.
- D-8 ASPECTS OF FULLY QUANTITATIVE CONSEQUENCE ANALYSIS [Go to Page]
- D-8.1 Definition
- D-8.2 Consequence When Few Components
- D-8.3 Safety, Health, and Environmental Consequence
- D-8.4 Probability Distributions
- NONMANDATORY APPENDIX E EXAMPLES OF RISK-BASED INSPECTION PROGRAM AUDIT QUESTIONS [Go to Page]
- E-1 INTRODUCTION
- E-2 RBI PROGRAM REVIEW
- E-3 INSPECTION PROGRAM TEAM STAFFING
- NONMANDATORY APPENDIX F SUGGESTED PRACTICE FOR EVALUATION OF PRESSURE VESSELS FOR CONTINUED CYCLIC SERVICE [Go to Page]
- F-1 GENERAL
- F-2 DATA AND RECORDS FOR OPERATION BEYOND CYCLIC DESIGN LIMITS
- F-3 EXAMINATION FREQUENCY AND DISPOSITION OF RESULTS
- F-4 EXEMPTION FROM EXAMINATION
- F-5 SPECIAL CONSIDERATIONS
- F-6 VESSELS WITH LAYERED SHELLS
- F-7 EXAMINATION TECHNIQUES [Go to Page]
