AGA X69806 : 2001

I Acknowledgements
II Foreword
III INTRODUCTION
     A INTEGRITY MANAGEMENT PLAN
     B PURPOSE OF INTEGRITY MANAGEMENT PLAN
     C HOW REGULATIONS FOSTER INTEGRITY MANAGEMENT
IV OVERVIEW
V ISSUES AND THREATS TO PIPELINE INTEGRITY
     A IDENTIFY PIPELINE SYSTEM INTEGRITY ISSUES
     B THREATS
VI COLLECTION AND INTEGRATION OF DATA
     A IDENTIFY AND COLLECT DATA
     B DATA INTEGRATION
       1 Data Integration Example
       2 Barriers to Overcome in Data Integration
       3 Data Management System
     C EVALUATE DATA
     D EVALUATED RISKS
       1 Defining the Affected Area for Consequences Evaluation
VII ESTABLISH INTEGRITY PROGRAMS FOR PIPELINE SEGMENTS AND
     MITIGATION STRATEGY
     A ESTABLISH INTEGRITY PROGRAM FOR PIPELINE SEGMENT
       1 Integrity Concern Assessment and Prioritization
         a. Index Model
         b. Probabilistic Model
     B MITIGATION STRATEGY
       1 Continuing Assessment
VIII ASSESS PLAN EFFECTIVENESS AND IMPROVEMENT
     A ASSESS PLAN EFFECTIVENESS
       1 Performance Measures
       2 Plan Effectiveness Assessment
       3 Performance Reports
     B IMPROVEMENT
VIII CONCLUSION
IX LIST OF APPENDICES
     A CASE STUDIES
     B IN-LINE INSPECTION TOOLS
     C GLOSSARY
     D REFERENCES

Provides an approach for managing the integrity of steel natural gas transmission pipelines. Provides an accumulation of ideas and practices employed by operators in the natural gas industry regarding testing, repairing and validating the integrity necessary to ensure safe and reliable natural gas pipeline systems. Provides a general reference for developing or modifying integrity management plans.