DCL-15-062, Expected Submittal Date for Licensee Event Report 2015-001-01
| ML15127A634 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 05/07/2015 |
| From: | Welsch J Pacific Gas & Electric Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| DCL-15-062, LER 15-001-01 | |
| Download: ML15127A634 (1) | |
Text
Pacific Gas and Electric Company May 7, 2015 PG&E Letter DCL-15-062 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555~0001 Docket No. 50-275, OL-DPR-80 Diablo Canyon Power Plant, Unit 1 James M. Welsch Site Vice President 10 CFR 50.73 Expected Submittal Date for Licensee Event Report 2015-001-01 Diablo Canyon Power Plant Mail Code 104/6 P. D. Box 56 Avila Beach, CA 93424 805.545.3242 Internal: 691.3242 Fax: 805.545.4884
Reference:
Licensee Event Report 2015-001-00, "Both Trains of Residual Heat Removal Inoperable Due to Circumferential Crack on a Socket Weld,"
dated March 2, 2015 (ADAMS Accession No. ML15061A548)
Dear Commissioners and Staff:
In the above reference, Pacific Gas and Electric Company (PG&E) submitted a Licensee Event Report (LER) for Unit 1 regarding both trains of residual heat removal being inoperable as the result of seepage from a socket weld. In the referenced letter, PG&E indicated that it would provide an LER supplement by May 8, 2015, which would include the event cause and corrective action upon completion of the root cause evaluation.
PG&E is still performing detailed analysis necessary to complete the root cause evaluation. This analysis will require data to be gathered during the next Unit 1 refueling outage scheduled for October 2015. Based on the current plan for completion, PG&E will submit the LER supplement no later than January 28, 2016.
PG&E makes no new or revised regulatory commitments (as defined by NEI 99-04) in this letter.
AI l.M /C 1~ f-o Jc W f..L5C.t-f aph8/6470/50680117 cc:
Marc L. Dapas, NRC Region IV Administrator Thomas R. Hipschman, NRC Senior Resident Inspector Siva P. Ling am, NRR Project Manager IN PO Diablo Distribution A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway
- Diablo Canyon
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