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Title: Ensuring Long Term Gas Distribution System Integrity By Performing Testing And Failure Analysis Of Materials
Author: Parashar Sheth
Source: American Gas Association 2009
Year Published: 2009
Abstract: Ensuring long term gas distribution system integrity requires a thorough evaluation and testing of new materials and failure analysis of materials to prevent premature and repetitive failures in-service. This paper emphasize the importance of owning an utility testing laboratory and engaging field installers in testing, failure analysis and implementation of corrective actions to prevent recurrence. Author would like to share common installation errors and manufacturing defects and how to prevent them. Most Gas Distribution Companies have a very robust in-house program to ensure their system integrity. One of the elements of this program is to conduct an independent evaluation of long term performance of new and existing materials used on their systems. To perform this analysis objectively, it is extremely important that the personnel involved in this effort have very thorough knowledge. The personnel must have familiarity with the gas system environment, operation, applications, system history, regulations and industry standards. Engaging company personnel and establishing a small in-house basic testing facility for new material and failure analysis provides a tremendous value in building high performance culture specific to materials and standards.




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