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The following information was provided by … The following information was provided by Tioga Pipe via email:</br>Tioga Pipe Inc. purchased unqualified (piping) from Maxim Tubes Company PVT. LTD. The unqualified (piping) passed all required tests and examinations in accordance with the requirements of ASME NCA-4255.5, however, the material was identified with multiple linear indications located on the inside diameter (surface) of the pipe. The indications were discovered by Duke Energy during their pre-fabrication inspection at the Catawba Nuclear Station. The indications ranged from one quarter of an inch to well over an inch in length. This material along with the material with the same heat number at McGuire Nuclear Station was returned to Tioga Pipe for further evaluation. The evaluation found these indications to be lap-like and thus, rejectable in accordance with ASME SA999 paragraph 28.12.</br>All material supplied from Maxim Tubes Company PVT. LTD. has been identified by Duke, found not to be installed, and returned to Tioga Pipe. At this time, all of the defective material is in Tioga's possession and there is no risk of this defective material being installed into a nuclear facility.</br>* * * UPDATE ON 10/25/2022 AT 1657 EDT FROM SHANNON ECHOLS TO IAN HOWARD * * *</br>Mackson Nuclear, a Tioga Company, submitted the Tioga report referenced above via email. </br>Notified Part 21/50.55 Reactors group via email.ed Part 21/50.55 Reactors group via email. +
04:00:00, 21 July 2021 +
16:21:00, 24 October 2022 +
04:00:00, 21 July 2021 +
The following information was provided by … The following information was provided by Tioga Pipe via email:</br>Tioga Pipe Inc. purchased unqualified (piping) from Maxim Tubes Company PVT. LTD. The unqualified (piping) passed all required tests and examinations in accordance with the requirements of ASME NCA-4255.5, however, the material was identified with multiple linear indications located on the inside diameter (surface) of the pipe. The indications were discovered by Duke Energy during their pre-fabrication inspection at the Catawba Nuclear Station. The indications ranged from one quarter of an inch to well over an inch in length. This material along with the material with the same heat number at McGuire Nuclear Station was returned to Tioga Pipe for further evaluation. The evaluation found these indications to be lap-like and thus, rejectable in accordance with ASME SA999 paragraph 28.12.</br>All material supplied from Maxim Tubes Company PVT. LTD. has been identified by Duke, found not to be installed, and returned to Tioga Pipe. At this time, all of the defective material is in Tioga's possession and there is no risk of this defective material being installed into a nuclear facility.</br>* * * UPDATE ON 10/25/2022 AT 1657 EDT FROM SHANNON ECHOLS TO IAN HOWARD * * *</br>Mackson Nuclear, a Tioga Company, submitted the Tioga report referenced above via email. </br>Notified Part 21/50.55 Reactors group via email.ed Part 21/50.55 Reactors group via email. +
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00:00:00, 25 October 2022 +
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04:00:00, 21 July 2021 +
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