Risk based design code safety format calibration for FPSO installations is addressed based on the results of a recent industrial project performed for IMP by the authors. Generic risk models for general engineering systems are introduced taking basis in recent work by the Joint Committee on Structural Safety (JCSS). Thereafter, the scenarios considered for the risk based calibration of a design code safety format for the design of FPSO facilities in the Gulf of Mexico are outlined in some detail. Furthermore, it is shown how these scenarios may be represented in a generic risk assessment model greatly enhanced by the utilization of hierarchical risk modeling procedures such as Bayesian Probabilistic Nets (BPN’s). A short outline of the Life Quality Index (LQI) principle is then introduced as a practically applicable means to determine how much should be invested into life saving activities. Finally, an example is given where the introduced concepts are used for the purpose of determining the target reliability index for individual mooring lines taking into account the direct and indirect consequences of failure of the mooring system for a considered generic FPSO installation.
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ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering
May 31–June 5, 2009
Honolulu, Hawaii, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4342-0
PROCEEDINGS PAPER
FPSO Risk Assessment and Acceptance Criteria With Application to FPSO Mooring Systems
Michael H. Faber,
Michael H. Faber
ETH Zu¨rich, Zu¨rich, Switzerland
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Daniel Straub,
Daniel Straub
Matrisk GmbH, Zu¨rich, Switzerland
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Roberto Montes-Iturrizaga,
Roberto Montes-Iturrizaga
Instituto Mexicano del Petro´leo, Me´xico DF, Me´xico
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Ernesto Heredia-Zavoni
Ernesto Heredia-Zavoni
Instituto Mexicano del Petro´leo, Me´xico DF, Me´xico
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Michael H. Faber
ETH Zu¨rich, Zu¨rich, Switzerland
Daniel Straub
Matrisk GmbH, Zu¨rich, Switzerland
Roberto Montes-Iturrizaga
Instituto Mexicano del Petro´leo, Me´xico DF, Me´xico
Ernesto Heredia-Zavoni
Instituto Mexicano del Petro´leo, Me´xico DF, Me´xico
Paper No:
OMAE2009-80242, pp. 839-849; 11 pages
Published Online:
February 16, 2010
Citation
Faber, MH, Straub, D, Montes-Iturrizaga, R, & Heredia-Zavoni, E. "FPSO Risk Assessment and Acceptance Criteria With Application to FPSO Mooring Systems." Proceedings of the ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. Volume 2: Structures, Safety and Reliability. Honolulu, Hawaii, USA. May 31–June 5, 2009. pp. 839-849. ASME. https://doi.org/10.1115/OMAE2009-80242
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