05000364/LER-2009-001, Regarding Service Water Pump Seismic Supports Degraded
| ML093380677 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 12/04/2009 |
| From: | Jerrica Johnson Southern Nuclear Operating Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NL-09-1910 LER 09-001-00 | |
| Download: ML093380677 (7) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(ix)(A) 10 CFR 50.73(a)(2)(iv)(A), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
| 3642009001R00 - NRC Website | |
text
J. R. Johnson Southern Nuclear Vice President - Farley Operating Company, Inc.
Post Office Drawer 470 Ashford, Alabama 36312-0470 Tel 334.814.4511 Fax 334.814.4728 December 4, 2009 Docket Nos.: 50-364 NL-09-1910 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant - Unit 2 Licensee Event Report 2009-001-00 Service Water Pump Seismic Supports Degraded Ladies and Gentlemen:
In accordance with the requirements of 10 CFR 50.73(a)(2)(ii)(B), 10 CFR 50.73(a)(2)(v)(D), and 10 CFR 50.73(a)(2)(vii)(D) Southern Nuclear Operating Company (SNC) is submitting the enclosed Licensee Event Report.
This letter contains no NRC commitments. If you have any questions, please advise.
Sincerely, J. R. Johnson Vice President - Farley JRJ/CHM Enclosure: Units 2 Licensee Event Report 2009-001-00
U. S. Nuclear Regulatory Commission NL-09-1910 Page 2 cc:
Southern Nuclear Operating Company Mr. J. T. Gasser, Executive Vice President Mr. J. R. Johnson, Vice President - Farley Mr. P. M. Marino, Vice President - Engineering RTYPE: CFA04.054 U. S. Nuclear Regulatory Commission Mr. L. A. Reyes, Regional Administrator Mr. R. E. Martin, NRR Project Manager - Farley Mr. E. L. Crowe, Senior Resident Inspector - Farley
Joseph M. Farley Nuclear Plant - Unit 2 Licensee Event Report 2009-001-00 Service Water Pump Seismic Supports Degraded Enclosure Units 2 Licensee Event Report 2009-001-00
NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION (9-2007)
LICENSEE EVENT REPORT (LER)
APPROVED BY OMB: NO. 3150-0104 EXPIRES: 08/31/2010
, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.
- 1. FACILITY NAME Joseph M. Farley Nuclear Plant - Unit 2
- 2. DOCKET NUMBER 05000 364
- 3. PAGE 1 of 4
- 4. TITLE Service Water Pump Seismic Supports Degraded
- 5. EVENT DATE
- 6. LER NUMBER
- 7. REPORT DATE
- 8. OTHER FACILITIES INVOLVED MONTH DAY YEAR YEAR SEQUENTIAL NUMBER REV NO.
MONTH DAY YEAR FACILITY NAME DOCKET NUMBER 05000 10 06 2009 2009 - 001 - 00 12 04 2009 FACILITY NAME DOCKET NUMBER 05000
- 9. OPERATING MODE 1
- 11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR§: (Check all that apply) 20.2201(b) 20.2203(a)(3)(i) 50.73(a)(2)(i)(C) 50.73(a)(2)(vii) 20.2201(d) 20.2203(a)(3)(ii) 50.73(a)(2)(ii)(A) 50.73(a)(2)(viii)(A) 20.2203(a)(1) 20.2203(a)(4) 50.73(a)(2)(ii)(B) 50.73(a)(2)(viii)(B) 20.2203(a)(2)(i) 50.36(c)(1)(i)(A) 50.73(a)(2)(iii) 50.73(a)(2)(ix)(A) 20.2203(a)(2)(ii) 50.36(c)(1)(ii)(A) 50.73(a)(2)(iv)(A) 50.73(a)(2)(x) 20.2203(a)(2)(iii) 50.36(c)(2) 50.73(a)(2)(v)(A) 73.71(a)(4) 20.2203(a)(2)(iv) 50.46(a)(3)(ii) 50.73(a)(2)(v)(B) 73.71(a)(5) 20.2203(a)(2)(v) 50.73(a)(2)(i)(A) 50.73(a)(2)(v)(C)
OTHER 20.2203(a)(2)(vi) 50.73(a)(2)(i)(B) 50.73(a)(2)(v)(D)
Specify in Abstract below or in (If more space is required, use additional copies of (If more space is required, use additional copies of NRC Form 366A) (17) PRINTED ON RECYCLED PAPER)
Safety Assessment
This event had no adverse effect on the safety and health of the public.
SNC has not experienced any seismic events that challenged the operability of the SW Pumps.
SW trains remained available to meet TS requirements with the exception of during a seismic event. Therefore, the safety and health of the public was not adversely affected by the degraded condition of the SW Pumps seismic supports.
Corrective Action
The seismic support for each SW Pump (2A, 2B, 2C, 2D and 2E) has been removed and new bolting and supports installed. A corrective action from the Root Cause Evaluation to inspect the seismic supports for Unit 1 and Unit 2 SW Pumps, on an established frequency, has been entered into the sites Corrective Action Program.
As an extent of condition review, Unit 1 SW Pump seismic supports were also inspected. Results demonstrated that the Unit 1 supports were adequate and operability of the Unit 1 SW Pumps was confirmed. A corrective action from the Root Cause Evaluation to replace the Unit 1 seismic supports has been entered into the sites Corrective Action Program.
Additional Information
Previous Similar Events None were identified.