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API SC2 Offshore Structures Report

API SC2 Offshore Structures Report. P. O’Connor – Chair June 26, 2009. Document Portfolio Status. Status Report. RP 2MET, Derivation of Metocean Design and Operating Conditions – in progress RP 2FPS, Floating Production Systems – in progress

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API SC2 Offshore Structures Report

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  1. API SC2 Offshore Structures Report P. O’Connor – Chair June 26, 2009

  2. Document Portfolio Status

  3. Status Report • RP 2MET, Derivation of Metocean Design and Operating Conditions – in progress • RP 2FPS, Floating Production Systems – in progress • RP 2EQ, Seismic Design Procedures and Criteria for Offshore Structures –in progress • RP 2GEO, Geotechnical and foundation design considerations –in progress • RP 2A WSD, Fixed Steel Offshore Structures–Working Stress Design – in progress

  4. Status Report (cont.) Spec 2C, Offshore Cranes – in progress RP 2GEN, General Requirements for Offshore Structures – starting up RP 2SIM, Structural Integrity Management of Fixed Offshore Structures – in progress RP 2SM, Design, Manufacture, Installation, and Maintenance of Synthetic Fiber Ropes for Offshore Mooring – in progress RP 2T, Tension-leg Platforms – ballot completed; awaiting publication

  5. Active Research Projects Rig tie-down study ) ** Require $25,000 to update Bulletin 2TD ** Steel yield study Wave-in-deck study Mooring components toughness survey Synthetic hurricane database

  6. ISO Status 6

  7. 2010 Vision – Q1 2009 Status

  8. API/ISO Coordination • Developed by adopting back ISO documents using a “core and wrapper” approach (i.e. modified adoption) • RP 2FPS 2nd Ed./ISO 19904-1 – Floating Structures • RP 2MET/ISO 19901-1 – Metocean • RP 2EQ/ISO 19901-2 – Seismic Design • RP 2GEO/ISO 19901-4 - Geotechnical

  9. API/ISO Coordination • Developed by Parallel ISO/API Adoption process (i.e. identical adoption) • RP 2MOP/ISO 19901-6 – Marine Operations • RP 2N 2nd Ed./ISO 19906 – Arctic Structures • RP 2RD 2nd Ed./ISO 13628 - Risers

  10. API/ISO Coordination • Adoption approach under consideration • RP 2GEN/ISO 19900 – Gen. Considerations • RP 2A LRFD 2nd Ed./ISO 19902 – Fixed Steel Structures • RP 2TOP/ISO 19901-3 – Topsides • RP 2WGT/ISO 19901-5 – Weight Control • RP 2SK/ISO 19901-7 - Stationkeeping

  11. Important Issues • Acceptance criteria for fixed structures • Consequence-based design • Assessment of existing structures ** may need budget for 2010 to validate selected values ** • Changes in metocean criteria ( MMS Reliability concerns) • Sudden hurricanes • Post-hurricane inspections • Rig Tie-downs ** Require $25,000 to update Bulletin 2TD **

  12. END

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