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API SC2 Offshore API SC2 Offshore Structures ReportStructures Report

P. O’Connor – ChairP. O’Connor – ChairJune 26, 2009June 26, 2009

Document Document Portfolio StatusPortfolio Status

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Status ReportStatus Report RP 2MET, Derivation of Metocean Design and RP 2MET, Derivation of Metocean Design and

Operating Conditions – Operating Conditions – in progressin progress RP 2FPS, Floating Production Systems – RP 2FPS, Floating Production Systems – in in

progressprogress RP 2EQ, RP 2EQ, Seismic Design Procedures and Seismic Design Procedures and

Criteria for Offshore Structures –Criteria for Offshore Structures – in in progressprogress

RP 2GEO, RP 2GEO, Geotechnical and foundation Geotechnical and foundation design considerationsdesign considerations – – in progress in progress

RP 2A WSD, Fixed Steel Offshore Structures–RP 2A WSD, Fixed Steel Offshore Structures–Working Stress Design – Working Stress Design – in progressin progress

Status Report (cont.)Status Report (cont.) Spec 2C, Offshore Cranes – Spec 2C, Offshore Cranes – in progressin progress RP 2GEN, General Requirements for RP 2GEN, General Requirements for

Offshore Structures – Offshore Structures – starting upstarting up RP 2SIM, Structural Integrity Management RP 2SIM, Structural Integrity Management

of Fixed Offshore Structures – of Fixed Offshore Structures – in progressin progress RP 2SM, Design, Manufacture, Installation, RP 2SM, Design, Manufacture, Installation,

and Maintenance of Synthetic Fiber Ropes and Maintenance of Synthetic Fiber Ropes for Offshore Mooring – for Offshore Mooring – in progressin progress

RP 2T, Tension-leg Platforms – RP 2T, Tension-leg Platforms – ballot ballot completed; awaiting publicationcompleted; awaiting publication

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Active Research ProjectsActive Research Projects

Rig tie-down study ) Rig tie-down study )

** Require $25,000 to update Bulletin 2TD **

Steel yield studySteel yield study

Wave-in-deck studyWave-in-deck study

Mooring components toughness surveyMooring components toughness survey

Synthetic hurricane databaseSynthetic hurricane database

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ISO StatusISO Status

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2010 Vision – Q1 2009 Status

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API/ISO CoordinationAPI/ISO Coordination

Developed by adopting back ISO Developed by adopting back ISO documents using a “core and wrapper” documents using a “core and wrapper” approach approach (i.e. modified adoption)(i.e. modified adoption) RP 2FPS 2RP 2FPS 2ndnd Ed./ISO 19904-1 – Floating Ed./ISO 19904-1 – Floating

StructuresStructures

RP 2MET/ISO 19901-1 – MetoceanRP 2MET/ISO 19901-1 – Metocean

RP 2EQ/ISO 19901-2 – Seismic DesignRP 2EQ/ISO 19901-2 – Seismic Design

RP 2GEO/ISO 19901-4 - GeotechnicalRP 2GEO/ISO 19901-4 - Geotechnical

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Developed by Parallel ISO/API Developed by Parallel ISO/API Adoption process (i.e. identical Adoption process (i.e. identical adoption)adoption)

RP 2MOP/ISO 19901-6 – Marine RP 2MOP/ISO 19901-6 – Marine OperationsOperations

RP 2N 2RP 2N 2ndnd Ed./ISO 19906 – Arctic Ed./ISO 19906 – Arctic StructuresStructures

RP 2RD 2RP 2RD 2ndnd Ed./ISO 13628 - Risers Ed./ISO 13628 - Risers

API/ISO CoordinationAPI/ISO Coordination

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Adoption approach under considerationAdoption approach under consideration RP 2GEN/ISO 19900 – Gen. ConsiderationsRP 2GEN/ISO 19900 – Gen. Considerations

RP 2A LRFD 2RP 2A LRFD 2ndnd Ed./ISO 19902 – Fixed Ed./ISO 19902 – Fixed Steel StructuresSteel Structures

RP 2TOP/ISO 19901-3 – TopsidesRP 2TOP/ISO 19901-3 – Topsides

RP 2WGT/ISO 19901-5 – Weight ControlRP 2WGT/ISO 19901-5 – Weight Control

RP 2SK/ISO 19901-7 - StationkeepingRP 2SK/ISO 19901-7 - Stationkeeping

API/ISO CoordinationAPI/ISO Coordination

Important IssuesImportant Issues Acceptance criteria for fixed structuresAcceptance criteria for fixed structures

Consequence-based designConsequence-based design Assessment of existing structuresAssessment of existing structures

** may need budget for 2010 to validate ** may need budget for 2010 to validate selected values **selected values **

Changes in metocean criteria Changes in metocean criteria ( MMS ( MMS Reliability concerns)Reliability concerns)

Sudden hurricanesSudden hurricanes Post-hurricane inspectionsPost-hurricane inspections Rig Tie-downs Rig Tie-downs ** Require $25,000 to update

Bulletin 2TD **April 23, 2009 11

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