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Does the new rule, 195.588, permit operators to use direct assessment to address the threat of stress corrosion cracking?

April 26, 2017address assessment operators permit rule stress Threat

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Does the new rule, 195.588, permit operators to use direct assessment to address the threat of stress corrosion cracking?

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If an operator chooses to use direct assessment to address stress corrosion cracking, the operator must notify PHMSA in accordance with the other technology provisions of 195.452(c)(i)(C). The changes to 195.452(c)(i) only added external corrosion direct assessment as an accepted method. PHMSA decided not to cross-reference directly or indirectly ASME B31.8S2001 in final 195.588, because the document is closely identified with gas pipelines.