FIGURE 1 Life Extension Process ........................................................13
SECTION 3 Baseline Information......................................................................... 16
1 General.........................................................................................16
2 Documentation for Life Extension.................................................16
3 Initial Review of Baseline Information...........................................18
SECTION 4 Baseline Survey................................................................................. 19
1 General.........................................................................................19
1.1 Scope of Baseline Survey................................................19
1.2 Schedule..........................................................................19
1.3 Gauging Data...................................................................19
1.4 System and Equipment....................................................19
2 Structures..................................................................................... 20
3 Mooring Systems.......................................................................... 20
4 Tendons........................................................................................ 20
5 Outfitting....................................................................................... 21
6 Evaluation of Baseline Survey Report.......................................... 21
SECTION 5 Engineering Reassessment.............................................................. 22
1 General.........................................................................................22
2 Environmental Conditions.............................................................22
3 Remaining Fatigue Life.................................................................22
4 Structures..................................................................................... 23
4.1 Hull Structure of Ship-Type Installation............................23
4.2 Other Structures of All FPIs............................................. 25
5 Stability Reassessment................................................................ 25
6 Mooring Systems.......................................................................... 26
6.1 General............................................................................ 26
6.2 Strength Reassessment ................................................. 27
6.3 Fatigue Analysis.............................................................. 27
6.4 Additional Considerations................................................ 28
6.5 Single Point Mooring Systems.........................................28
6.6 Anchoring Systems..........................................................28
7 TLP Tendons and Tendon Connectors......................................... 28
7.1 Reassessment Analysis...................................................28
7.2 Tendon Tension Monitoring System.................................29
8 Cathodic Protection System......................................................... 29
9 Review of Engineering Reassessment Results............................ 29
FIGURE 1 Ship-Type Hull Structure Reassessment............................. 24
FIGURE 2 Structure Reassessment of Structures other than Ship-
Type Hull.............................................................................. 26
ABS GUIDE FOR LIFE EXTENSION OF FLOATING PRODUCTION INSTALLATIONS • 2021 iv
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