Qualification process for ultrasonic testing in nuclear inservice inspection applications

Technical Report · Thu Mar 01 00:00:00 EST 1990

DOI:https://doi.org/10.2172/7228750· OSTI ID:7228750

Spanner, J C; Doctor, S R; Taylor, T T ^[1]; Muscara, J ^[2]

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1. Pacific Northwest Lab., Richland, WA (USA)
2. Nuclear Regulatory Commission, Washington, DC (USA). Div. of Engineering

This report documents a project whose objective was to develop recommended requirements and processes for qualifying ultrasonic testing/inservice inspection (UT/ISI) systems for ISI of nuclear power plant components. An overall qualification process intended to achieve statistically designed performance validations including prerequisite training and other qualification recommendations is described. This report also contains recommendations for the test specimens, environment, and other conditions under which the qualification processes should be conducted. Active involvement in the ASME Section 11 Subgroup on Nondestructive Examination (SGNDE) and an Ad Hoc Task Group authorized by the SGNDE became an integral part of this task after a PNL draft document was presented in November 1984. The major areas where specific enhancements to Section 11 were recommended in this document included more stringent criteria for Level 3 qualifications, explicit recommendations for requalification, inauguration of periodic (annual) training, and recommendations for coordinating and administering the entirely new qualification process on a national (rather than local employer) basis. 23 refs., 14 figs., 2 tabs.

• Research Organization: US Nuclear Regulatory Commission (NRC), Washington, DC (United States). Div. of Engineering; Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
• Sponsoring Organization: USNRC
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 7228750
• Report Number(s): NUREG/CR-4882; PNL-6179; ON: TI90009516; TRN: 90-011764
• Country of Publication: United States
• Language: English

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