ASME PCC 3 2017

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ASME PCC-3-2017 Inspection Planning Using Risk-Based Methods

Published By	Publication Date	Number of Pages
ASME	2017	94

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Description

The risk analysis principles, guidance, and implementation strategies presented in this Standard are broadly applicable; however, this Standard has been specifically developed for applications involving fixed pressure-containing equipment and components. This Standard is not intended to be used for nuclear power plant components; see ASME BPV, Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components. It provides guidance to owners, operators, and designers of pressure-containing equipment for developing and implementing an inspection program. These guidelines include means for assessing an inspection program and its plan. The approach emphasizes safe and reliable operation through cost-effective inspection. A spectrum of complimentary risk analysis approaches (qualitative through fully quantitative) should be considered as part of the inspection planning process.

PDF Catalog

PDF Pages	PDF Title
4	CONTENTS
6	FOREWORD
7	ASME POST CONSTRUCTION COMMITTEE ROSTER
8	CORRESPONDENCE WITH THE POST CONSTRUCTION COMMITTEE
10	ASME PCC-3-2017 SUMMARY OF CHANGES
12	1 SCOPE, INTRODUCTION, AND PURPOSE 1.1 Scope 1.2 Introduction 1.3 Purpose 1.4 Relationship to Regulatory and Jurisdictional Requirements 2 BASIC CONCEPTS 2.1 Risk
13	2.2 Overview of Risk Analysis Figures Fig. 2.1 Risk Plot
14	2.3 Inspection Optimization Fig. 2.3 Management of Risk Using RBI Table 2.3 Factors Contributing to Loss of Containment
15	3 INTRODUCTION TO RISK-BASED INSPECTION 3.1 Items RBI Will Not Compensate for 3.2 Consequence and Probability for Risk-Based Inspection 3.3 Risk Analysis Methodology
16	Fig. 3.3.1 Continuum of RBI Approaches
17	3.4 Understanding How RBI Helps to Manage Operating Risks
18	3.5 Inspection Plan 3.6 Management of Risks Fig. 3.3.4 Risk-Based Inspection Planning Process
19	3.7 Relationship Between RBI and Other Risk-Based and Safety Initiatives 3.8 Relationship With Jurisdictional Requirements
20	4 PLANNING THE RISK ANALYSIS 4.1 Getting Started 4.2 Outcome of the Planning Portion of the Process 4.3 Establish Objectives
21	4.4 Initial Screening
22	Fig. 4.4.1 Relationship Among Component, Equipment, System, Process Unit, and Facility
24	4.5 Selecting a Risk Analysis Approach 4.6 Estimating Resources and Time Required
25	5 DATA AND INFORMATION COLLECTION 5.1 Introduction 5.2 General 5.3 Data Needs and Common Types of Data
26	5.4 Data Quality and Validation
27	6 DAMAGE MECHANISMS AND FAILURE MODES 6.1 Introduction 6.2 Identification of Damage Mechanisms 6.3 Damage Mechanisms
28	6.4 Failure Modes 6.5 Accumulated Damage 6.6 Tabulating Results 7 DETERMINING PROBABILITY OF FAILURE 7.1 Introduction to Probability Analysis
29	7.2 Determination of Probability of Failure
31	7.3 Units of Measure for Probability of Failure Analysis 7.4 Types of Probability Analysis
32	8 DETERMINING CONSEQUENCE OF FAILURE 8.1 Introduction to Consequence Analysis 8.2 Other Functional Failures 8.3 Types of Consequences and Units of Measure
34	Tables 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
35	8.4 Analysis of the Consequence of Failure
36	8.5 Determination of Consequence of Failure
37	Fig. 8.5 Determination of Consequence of Failure
38	8.6 Volume of Fluid Released 8.7 Hazard Categories
39	9 RISK DETERMINATION, ANALYSIS, AND MANAGEMENT 9.1 Introduction 9.2 Determination of Risk
40	9.3 Assumptions 9.4 Sensitivity Analysis 9.5 Risk Communication
41	Fig. 9.2.1 Example of Calculating the Probability of a Specific Consequence
42	Fig. 9.5.1 Example Risk Matrix Using Probability and Consequence Categories
43	9.6 Establishing Acceptable Risk Thresholds 9.7 Risk Management 10 RISK MANAGEMENT WITH INSPECTION ACTIVITIES 10.1 Managing Risk by Reducing Uncertainty Through Inspection
44	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
45	10.5 Managing Inspection Costs With RBI 10.6 Assessing Inspection Results and Determining Corrective Action
46	10.7 Achieving Lowest Life Cycle Costs With RBI 11 OTHER RISK MITIGATION ACTIVITIES 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
47	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 12.1 Introduction
48	12.2 When to Conduct RBI Reanalysis 13 ROLES, RESPONSIBILITIES, TRAINING, AND QUALIFICATIONS 13.1 Interdisciplinary Approach 13.2 RBI Team Roles and Responsibilities
49	13.3 Training and Qualifications
50	14 DOCUMENTATION AND RECORD KEEPING 14.1 General
51	15 DEFINITIONS AND ACRONYMS 15.1 Definitions
52	15.2 Acronyms 16 REFERENCES
53	Table 16-1 Reference Documents
56	Table 16-2 Procurement Information
58	NONMANDATORY APPENDICES NONMANDATORY APPENDIX A DAMAGE MECHANISM DEFINITIONS
59	Table A-1 Damage Mechanism Definitions
69	NONMANDATORY APPENDIX B DAMAGE MECHANISM AND DEFECTS SCREENING TABLE
76	NONMANDATORY APPENDIX C TABLE OF EXAMINATION/MONITORING METHODS
82	NONMANDATORY APPENDIX D QUANTITATIVE METHODS INCLUDING EXPERT OPINION ELICITATION D-1 INTRODUCTION D-2 QUANTITATIVE PROBABILITY ANALYSIS D-2.1 Definition D-2.2 Approaches to Quantitative Probability Analysis 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 D-3.1 Tree Structures D-3.1.1 Event Tree. D-3.1.2 Fault Tree. D-3.1.3 Decision Tree.
83	D-3.2 Event Trees Versus Fault Trees D-3.3 Fault/Event Tree Construction D-3.3.1 Components of Event and Fault Trees D-3.4 Decision Trees D-4 MONTE CARLO SIMULATION METHOD D-4.1 Definition D-4.2 Methodology D-4.3 Components
84	Fig. D-4.3 Process of Performing a Monte Carlo Simulation D-4.4 Inputs D-4.5 Requirements 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.
85	Fig. D-5.1 Probability of Failure Rate vs. Time D-4.5.7 Damage Mechanism. D-5 LIFETIME RELIABILITY MODELS D-5.1 Population Lifetime D-5.2 Periods of the Bathtub Curve 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
86	D-6 GENERIC FAILURE CURVES D-6.1 Generic Databases D-6.2 Generic Versus Specific Databases D-6.2.1 Specific Databases. D-6.3 Updating Specific and Generic Data D-6.3.1 Combining Data. D-6.3.2 BayesŒ Theorem. D-7 EXPERT ELICITATION AND INTUITIVE OPINION D-7.1 Description of Process D-7.2 Characteristics of the Expert Elicitation Process D-7.2.1 Availability. D-7.2.2 Unanchoring. D-7.3 Methods of Elicitation 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 D-7.4.1 Plant Personnel Intuition.
87	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.
88	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 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 D-8.1 Definition
89	D-8.2 Consequence When Few Components D-8.3 Safety, Health, and Environmental Consequence D-8.4 Probability Distributions
90	NONMANDATORY APPENDIX E EXAMPLES OF RISK-BASED INSPECTION PROGRAM AUDIT QUESTIONS E-1 INTRODUCTION E-2 RBI PROGRAM REVIEW E-3 INSPECTION PROGRAM TEAM STAFFING
91	NONMANDATORY APPENDIX F SUGGESTED PRACTICE FOR EVALUATION OF PRESSURE VESSELS FOR CONTINUED CYCLIC SERVICE F-1 GENERAL F-2 DATA AND RECORDS FOR OPERATION BEYOND CYCLIC DESIGN LIMITS
92	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