A new Annex on reliability-based design and assessment of onshore natural gas pipelines has been adopted for inclusion in the 2007 edition of the Canadian Standard Association’s pipeline standard (CSA-Z662). The same Annex is also being reviewed for inclusion in the next edition of the ASME gas pipeline code (ASME B31.8). The Annex defines a set of specific reliability targets as a function of pipeline diameter, pressure and population density; prescribes the process of demonstrating compliance with these targets; specifies the key requirements of a valid reliability calculation; and gives guidance on specific analysis methods, limit state functions and input parameter distributions. It is one of the few full reliability-based standards in the industry and is the first to mandate specific reliability targets. This paper describes the reliability-based approach adopted, the risk-based methodology used in defining the reliability targets and the key elements of the codified approach. It discusses current applications of the methodology as well as existing and potential plans developing similar codes for liquid and offshore pipelines.
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ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
June 10–15, 2007
San Diego, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
0-7918-4268-1
PROCEEDINGS PAPER
A Standardized Approach for Reliability-Based Design and Assessment of Pipelines
Maher Nessim,
Maher Nessim
C-FER Technologies, Edmonton, Alberta, Canada
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Wenxing Zhou,
Wenxing Zhou
C-FER Technologies, Edmonton, Alberta, Canada
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Joe Zhou,
Joe Zhou
TransCanada PipeLines, Ltd., Calgary, Alberta, Canada
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Brian Rothwell
Brian Rothwell
TransCanada PipeLines, Ltd., Calgary, Alberta, Canada
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Maher Nessim
C-FER Technologies, Edmonton, Alberta, Canada
Wenxing Zhou
C-FER Technologies, Edmonton, Alberta, Canada
Joe Zhou
TransCanada PipeLines, Ltd., Calgary, Alberta, Canada
Brian Rothwell
TransCanada PipeLines, Ltd., Calgary, Alberta, Canada
Paper No:
OMAE2007-29714, pp. 521-529; 9 pages
Published Online:
May 20, 2009
Citation
Nessim, M, Zhou, W, Zhou, J, & Rothwell, B. "A Standardized Approach for Reliability-Based Design and Assessment of Pipelines." Proceedings of the ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium. San Diego, California, USA. June 10–15, 2007. pp. 521-529. ASME. https://doi.org/10.1115/OMAE2007-29714
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