ML20105A108
| ML20105A108 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 04/14/2020 |
| From: | Joel Wiebe NRC/NRR/DORL/LPL3 |
| To: | Nicely K Exelon Generation Co |
| References | |
| Download: ML20105A108 (2) | |
Text
From:
Wiebe, Joel Sent:
Tuesday, April 14, 2020 8:44 AM To:
Nicely, Ken M.:(GenCo-Nuc) (ken.nicely@exeloncorp.com)
Subject:
Request for Additional Information Regarding Clinton Relief Request I4R-01 A response is requested within 30 days.
By letter dated December 16, 2019 (Agencywide Documents and Access Management System (ADAMS) Accession No. ML19350C642), Exelon Generation Company, LLC submitted for staff review and approval inservice inspection (ISI) Program Relief Request I4R-01, which requests an alternative risk-informed inservice inspection (RI-ISI) selection and examination criteria for Category B-F, B-J, C-F-1 and C-F-2 pressure-retaining piping welds for the Clinton Power Station (CPS) Unit 1. To complete its review, the staff requests the following additional information.
- 1. Are the inspection locations that have been developed for the fourth 10-year interval RI-ISI program the same locations as those in the third 10-year interval RI-ISI approved in NRC safety evaluation dated December 22, 2010 (ADAMS Accession No. ML103360335)? If there are changes in the inspection locations from the CPS third 10-year interval RI-ISI program, provide information for the fourth 10-year interval RI-ISI program regarding examinations, systems, components, degradation mechanisms, class, etc. similar to that provided in Table 1 from Attachment 1 (page 2 of 15) and Tables 2, 3 and 4 of Attachment 2 (pages 2, 3 and 4 of 6) of the RAI response for the CPS third 10-year interval RI-ISI program dated July 14, 2010 (ADAMS Accession No. ML101960011).
Hearing Identifier:
NRR_DRMA Email Number:
529 Mail Envelope Properties (MN2PR09MB5210662CF4DFB4703C7004CA8BDA0)
Subject:
Request for Additional Information Regarding Clinton Relief Request I4R-01 Sent Date:
4/14/2020 8:44:27 AM Received Date:
4/14/2020 8:44:00 AM From:
Wiebe, Joel Created By:
Joel.Wiebe@nrc.gov Recipients:
"Nicely, Ken M.:(GenCo-Nuc) (ken.nicely@exeloncorp.com)" <ken.nicely@exeloncorp.com>
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