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If Guided Wave UT is used as part of the ECDA process, is it considered “other technology” requiring notification to OPS/states?

April 26, 2017ecda Guided NOTIFICATION OPS other technology process requiring Used ut wave

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If Guided Wave UT is used as part of the ECDA process, is it considered “other technology” requiring notification to OPS/states?

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No. If guided wave UT is used as one of the complementary tools for indirect inspections as part of ECDA, it would not be considered other technology. NACE RP0502-2002 lists some indirect inspection tools, but notes that they are not the only tools that can be used. Rather, they are representative examples. “Other indirect inspection methods can and should be used as required by the unique situations along a pipeline or as new technologies are developed. [The operator must] assess the capabilities of any method independently before using it in an ECDA program” (3.4.3.1). Use of guided wave technology, alone, as an examination method or as an alternative to excavating pipeline to conduct a direct examination would be considered “other technology” and would require notification prior to use.