ASME B31.8S 2022

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ASME B31.8S – 2022 – Managing System Integrity of Gas Pipelines

Published By	Publication Date	Number of Pages
ASME	2022	80

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Description

ASME’s B31.8S Managing System Integrity of Gas Pipelines covers on-shore, gas pipeline systems constructed with ferrous materials, including pipe, valves, appurtenances attached to pipe, compressor units, metering stations, regulator stations, delivery stations, holders and fabricated assemblies. Its principles, processes and approaches apply to the entire system for all pipeline systems. B31.8S is specifically designed to provide the operator with the information necessary to develop and implement an effective integrity management program utilizing proven industry practices and processes. Effective system management can decrease repair and replacement costs, prevent malfunctions, and minimize system downtime. Key changes to this version include updates to the references in Section 14 as well as the pipe manufacturing definition for SAW pipe and SMYS definition. Intended for manufacturers, users, constructors, designers, and others concerned with the design, fabrication, assembly, erection, examination, inspection, and testing of piping, plus all potential governing entities.

PDF Catalog

PDF Pages	PDF Title
4	CONTENTS
6	FOREWORD
7	ASME B31 COMMITTEE ROSTER
11	CORRESPONDENCE WITH THE B31 COMMITTEE
13	ASME B31.8S-2022 SUMMARY OF CHANGES
14	1 INTRODUCTION 1.1 Scope 1.2 Purpose and Objectives 1.3 Integrity Management Principles
15	1.4 Units of Measure 2 INTEGRITY MANAGEMENT PROGRAM OVERVIEW 2.1 General
16	Figures Figure 2.1-1 Integrity Management Program Elements
17	Figure 2.1-2 Integrity Management Plan Process Flow Diagram
18	2.2 Integrity Threat Classification 2.3 The Integrity Management Process
20	2.4 Integrity Management Program 3 CONSEQUENCES 3.1 General
21	3.2 Potential Impact Area
22	3.3 Consequence Factors to Consider 4 GATHERING, REVIEWING, AND INTEGRATING DATA 4.1 General 4.2 Data Requirements Figure 3.2.4-1 Potential Impact Area
23	4.3 Data Sources Tables Table 4.2.1-1 Data Elements for Prescriptive Pipeline Integrity Program
24	4.4 Data Collection, Review, and Analysis 4.5 Data Integration Table 4.3-1 Typical Data Sources for Pipeline Integrity Program
25	5 RISK ASSESSMENT 5.1 Introduction 5.2 Definition 5.3 Risk Assessment Objectives 5.4 Developing a Risk Assessment Approach
26	5.5 Risk Assessment Approaches
27	5.6 Risk Analysis Table 5.6.1-1 Integrity Assessment Intervals: Time-Dependent Threats, Internal and External Corrosion, Prescriptive Integrity Management Plan
28	5.7 Characteristics of an Effective Risk Assessment Approach
29	5.8 Risk Estimates Using Assessment Methods 5.9 Data Collection for Risk Assessment 5.10 Prioritization for Prescriptive-Based and Performance-Based Integrity Management Programs
30	5.11 Integrity Assessment and Mitigation 5.12 Validation 6 INTEGRITY ASSESSMENT 6.1 General
31	6.2 Pipeline In-Line Inspection
32	Table 6.2-1 Applicability of ILI Technologies
33	6.3 Pressure Testing 6.4 Direct Assessment
34	6.5 Other Integrity Assessment Methodologies
35	7 RESPONSES TO INTEGRITY ASSESSMENTS AND MITIGATION (REPAIR AND PREVENTION) 7.1 General 7.2 Responses to Pipeline In-Line Inspections
36	Table 7.1-1 Acceptable Threat Prevention and Repair Methods
39	Figure 7.2.1-1 Timing for Scheduled Responses: Time-Dependent Threats, Prescriptive Integrity Management Plan
40	7.3 Responses to Pressure Testing 7.4 Responses to Direct Assessment Inspections
41	7.5 Timing for Scheduled Responses 7.6 Repair Methods 7.7 Prevention Strategy/Methods 7.8 Prevention Options 8 INTEGRITY MANAGEMENT PLAN 8.1 General
42	8.2 Updating the Plan 8.3 Plan Framework
43	9 PERFORMANCE PLAN 9.1 Introduction Table 8.3.4-1 Example of Integrity Management Plan for Hypothetical Pipeline Segment (Segment Data: Line 1, Segment 3)
44	9.2 Performance Measures Characteristics Table 8.3.4-2 Example of Integrity Management Plan for Hypothetical Pipeline Segment(Integrity Assessment Plan: Line 1, Segment 3) Table 8.3.4-3 Example of Integrity ManagementPlan for Hypothetical Pipeline Segment(Mitigation Plan: Line 1, Segment 3)
45	9.3 Performance Measurement Methodology 9.4 Performance Measurement: Intrasystem Table 9.2.3-1 Performance Measures
46	Table 9.4-1 Performance Metrics
47	9.5 Performance Measurement: Industry Based 9.6 Performance Improvement Table 9.4-2 Overall Performance Measures
48	10 COMMUNICATIONS PLAN 11 MANAGEMENT OF CHANGE PLAN
49	12 QUALITY CONTROL PLAN 12.1 General 12.2 Quality Management Control 13 TERMS, DEFINITIONS, AND ACRONYMS
50	Figure 13-1 Hierarchy of Terminology for Integrity Assessment
56	14 REFERENCES AND STANDARDS
59	NONMANDATORY APPENDIX A THREAT PROCESS CHARTS AND PRESCRIPTIVE INTEGRITY MANAGEMENT PLANS A-1 INTRODUCTION A-2 EXTERNAL CORROSION THREAT
60	Figure A-2.1-1 Integrity Management Plan, External Corrosion Threat (Simplified Process: Prescriptive)
61	A-3 INTERNAL CORROSION THREAT
62	Figure A-3.1-1 Integrity Management Plan, Internal Corrosion Threat (Simplified Process: Prescriptive)
63	A-4 STRESS CORROSION CRACKING THREAT
65	Table A-4.4-1 SCC Crack Severity Criteria Table A-4.4.1-1 Actions Following Discovery of SCC During Excavation
66	A-5 MANUFACTURING THREAT (PIPE SEAM AND PIPE)
67	Figure A-5.1-1 Integrity Management Plan, Manufacturing Threat (Pipe Seam and Pipe; Simplified Process: Prescriptive)
68	Figure A-6.1-1 Integrity Management Plan, Construction Threat (Pipe Girth Weld, Fabrication Weld, Wrinkle Bend or Buckle, Stripped Threads/Broken Pipe/Coupling; Simplified Process: Prescriptive) A-6 CONSTRUCTION THREAT (PIPE GIRTH WELD, FABRICATION WELD, WRINKLE BEND OR BUCKLE, STRIPPED THREADS/BROKEN PIPE/COUPLING)
69	A-7 EQUIPMENT THREAT (GASKETS AND O-RINGS, CONTROL/RELIEF, SEAL/PUMP PACKING)
70	Figure A-7.1-1 Integrity Management Plan, Equipment Threat (Gasket and O-Ring, Control/Relief, Seal/Pump Packing; Simplified Process: Prescriptive)
71	A-8 THIRD-PARTY DAMAGE THREAT [THIRD-PARTY INFLICTED DAMAGE (IMMEDIATE), VANDALISM, PREVIOUSLY DAMAGED PIPE]
72	Figure A-8.1-1 Integrity Management Plan, Third-Party Damage Threat [Third-Party Inflicted Damage (Immediate), Vandalism, Previously Damaged Pipe; Simplified Process: Prescriptive]
73	A-9 INCORRECT OPERATIONS THREAT
74	Figure A-9.1-1 Integrity Management Plan, Incorrect Operations Threat (Simplified Process: Prescriptive)
75	Figure A-10.1-1 Integrity Management Plan, Weather-Related and Outside-Force Threat (Earth Movement, Heavy Rains or Floods, Cold Weather, Lightning; Simplified Process: Prescriptive) A-10 WEATHER-RELATED AND OUTSIDE-FORCE THREAT (EARTH MOVEMENT, HEAVY RAINS OR FLOODS, COLD WEATHER, LIGHTNING)
77	NONMANDATORY APPENDIX B DIRECT ASSESSMENT PROCESS B-1 GENERAL B-2 EXTERNAL CORROSION DIRECT ASSESSMENT B-3 INTERNAL CORROSION DIRECT ASSESSMENT