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| {{#Wiki_filter:mPacHic Gas and Electric Company* | | {{#Wiki_filter:}} |
| Paula Gerfen Site Vice President Diablo Canyon Power Plant Mail code 104/6/605 P.O. Box 56 Avila Beach, CA 93424 805.545.4596 Internal: 691.4596 Fax: 805.545.4234 PG&E Letter DCL-21-043 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Report of Completion of Implementation of Risk-Informed Evaluation Methodology to Address Open Phase Condition
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| ==References:==
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| : 1. PG&E Letter DCL-20-108, Use of Risk-Informed Evaluation Methodology to Address Open Phase Condition, dated December 29, 2020 (ML20364A208)
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| : 2. Nuclear Energy Institute Open Phase Condition Initiative, Revision 3, dated June 2019 (transmitted to NRC under NEI {{letter dated|date=June 6, 2019|text=letter dated June 6, 2019}}, Douglas E.
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| True to Ho Nieh, Jr., re: Industry Initiative on Open Phase Condition, Revision 3) (ML19163A176)
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| ==Dear Commissioners and Staff:==
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| Reference 1 informed the NRC that Pacific Gas and Electric Company (PG&E) would implement the risk-informed evaluation methodology in Reference 2 to address potential open phase conditions at Diablo Canyon Power Plant (DCPP).
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| Implementation was completed on March 11, 2021, for DCPP Unit 1 and on April 5, 2021, for DCPP Unit 2.
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| Note that the Unit 2 implementation was delayed past the Reference 1 commitment date of March 31, 2021. This constitutes a change to the commitment; however, the delay was warranted to allow certain relay setpoint changes to be made safely during the spring refueling outage for that unit.
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| PG&E makes no new or other revisions to regulatory commitments (as defined by NEI 99-04) in this letter.
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| A member of the STARS Alliance Callaway
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| * Diablo Canyon
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| * Palo Verde
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| * Wolf Creek
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| Document Control Desk PG&E Letter DCL-21-043 Page 2 If you have any questions or require additional information, please contact Mr. Jim Morris, Regulatory Services Manager, at 805-545-4609.
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| Sincerely,
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| ~~ro Paula Gerfen Site Vice President May 20, 2021 Date jmsp/50601137-12 cc: Donald R. Krause, NRC Senior Resident Inspector Samson S. Lee, NRC Project Manager Scott A. Morris, NRC Region IV Administrator Diablo Canyon Distribution A member of the STARS Alliance Callaway
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| * Diablo Canyon
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| * Palo Verde
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| * Wolf Creek}}
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