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Guidance on Practice for Inspection and Integrity Assessment of Pipeline Systems GP 43-52 BP GROUP ENGINEERING TECHNICAL PRACTICES Document No. GP 43-52 Applicability Group Date 29 June 2006 29 June 2006 GP 43-52 Guidance on Practice for Inspection and Integrity Assessment of Pipeline Systems Page 2 of 30 Foreword This is the first issue of Engineering Technical Practice (ETP) BP GP 43-52. This Guidance on Practice (GP) is newly created and is not based on heritage documents from the merged BP companies. 29 June 2006 GP 43-52 Guidance on Practice for Inspection and Integrity Assessment of Pipeline Systems Page 3 of 30 Table of Contents Page Foreword ........................................................................................................................................ 2 Introduction..................................................................................................................................... 5 1. Scope .................................................................................................................................... 6 2. Normative references............................................................................................................. 6 3. Terms and definitions............................................................................................................. 7 4. Abbreviations......................................................................................................................... 7 5. Inspection overview ............................................................................................................... 7 5.1. General....................................................................................................................... 7 5.2. Inspection plan............................................................................................................ 8 5.3. Identification of threats.............................................................................................. 11 5.4. Critical feature sizing................................................................................................. 12 5.5. Inspection frequency................................................................................................. 12 6. Selection of inspection methods........................................................................................... 13 7. Structural reliability analysis (SRA) ...................................................................................... 14 8. Assessment of reported features ......................................................................................... 15 8.1. PDAM ....................................................................................................................... 15 8.2. Use of ILI data .......................................................................................................... 17 9. Operators’ response to discovering features........................................................................ 18Operators’ response to discovering features.... View Full Document

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