1、 Risk-Based Inspection MethodologyAPI RECOMMENDED PRACTICE 581THIRD EDITION,APRIL 2016ADDENDUM 1,APRIL 2019ADDENDUM 2,OCTOBER 2020Special NotesAPI publications necessarily address problems of a general nature.With respect to particular circumstances,local,state,and federal laws and regulations shoul
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14、d be submitted to the Standards Department,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.iiiPART 1 INTRODUCTION TO RISK-BASED INSPECTION METHODOLOGY CONTENTS 1 SCOPE.1 1.1 Purpose.1 1.2 Introduction.1 1.3 Risk Management.1 1.4 Organization and Use.2 1.5 Tables.2 2 R
15、EFERENCES.3 2.1 Normative.3 2.2 Informative.3 3 TERMS,DEFINITIONS,ACRONYMS,AND ABBREVIATIONS.3 3.1 Terms and Definitions.3 3.2 Acronyms and Abbreviations.11 4 BASIC CONCEPTS.16 4.1 Probability of Failure(POF).16 4.1.1 Overview.16 4.1.2 GFF Method.16 4.1.3 Two-parameter Weibull Distribution Method.17
16、 4.2 Consequence of Failure(COF).17 4.2.1 Overview.17 4.2.2 Level 1 COF.18 4.2.3 Level 2 COF.19 4.3 Risk Analysis.20 4.3.1 Determination of Risk.20 4.3.2 Risk Plotting.21 4.3.2.3 Iso-Risk Plot Example.21 4.3.3 General Comments Concerning Risk Plotting.22 4.4 Inspection Planning Based on Risk Analysis.22 4.4.1 Overview.22 4.4.2 Targets.23 4.4.3 Inspection EffectivenessThe Value of Inspection.24 4.4.4 Inspection Planning.24 4.5 Nomenclature.24 4.6 Tables.26 4.7 Figures.27 1-1PART 1Introduction to
