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Asset Integrity Management of Critical Infrastructure
Editor
Mamdouh M. Salama
Mamdouh M. Salama
MMS4Aim LLC, USA
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Dragan Komljenovic
Dragan Komljenovic
Hydro-Québec, Canada
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Jovica R. Riznic
Jovica R. Riznic
Canadian Nuclear Safety Commission, Canada
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ISBN:
9780791887738
No. of Pages:
180
Publisher:
ASME
Publication date:
2024

Since 2020, operators of gas transmission pipelines have been tasked by regulation to verify the material properties and attributes for pipes and components that do not have traceable, verifiable, and complete records. This was originally applicable to segments of pipe that did not have reliable pressure test records but has now expanded as a more holistic requirement for integrity management. Material properties and attributes, including strength, seam type, diameter and wall thickness are critical inputs for defining the maximum allowable operating pressure (MAOP), and for integrity assessments. Instead of using assumed properties and attributes, or overly conservative estimates, operators are now able to leverage in-line inspection and non-destructive testing technologies to characterize material properties and attributes, close knowledge gaps and manage the assets more safely. The use of these technologies allows users to delineate distinct populations of different pipes as the basis for a material verification process. The application of robust material property verification processes has expanded beyond meeting gas regulation requirements, to enhancing our integrity management plans in both gas and liquid pipeline operations, and notably in the emerging fuels space where conversion of natural gas pipelines for hydrogen transportation will require a critical review of the properties of existing infrastructure for transportation. The aim of this paper is to present the technologies and processes available for material property and attribute verification on pipelines and share examples of how these are being used in various applications to enhance the safety of our high-pressure pipeline systems.

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