05000305/LER-2012-009, Regarding Missed Verification of Offsite Circuit Breaker Alignment and Power Availability, within Completion Time
| ML13045A480 | |
| Person / Time | |
|---|---|
| Site: | Kewaunee |
| Issue date: | 02/07/2013 |
| From: | Jordan A Dominion, Dominion Energy Kewaunee |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 13-051 LER 12-009-00 | |
| Download: ML13045A480 (5) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
| 3052012009R00 - NRC Website | |
text
ý0"Domflnioln Dominion Energy Kewaunee, Inc.
N4490 Hwy 42, Kewaunee, WI 54216 Web Address: www.dom.com FEB 0 7 2013 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001 Serial No.13-051 LIC/NW/RO Docket No.: 50-305 License No.:
DPR-43 DOMINION ENERGY KEWAUNEE, INC.
KEWAUNEE POWER STATION LICENSEE EVENT REPORT 2012-009-00 Pursuant to 10 CFR 50.73, Dominion Energy Kewaunee, Inc., hereby submits the following Licensee Event Report applicable to Kewaunee Power Station.
Report No. 50-305/2012-009-00 This report has been reviewed by the Facility Safety Review Committee and will be forwarded to the Management Safety Review Committee for its review.
If you have any further questions, please contact Mr. Jack Gadzala at (920) 388-8604.
Very truly yours,
- Sitedent, Kewaunee Power Station Attachment(s)
Commitments made by this letter: NONE
- 9:
Serial No.13-051 Page 2 of 2 cc:
Regional Administrator, Region III U.S. Nuclear Regulatory Commission 2443 Warrenville Road Suite 210 Lisle, IL 60532-4352 Mr. K. D. Feintuch Project Manager U.S. Nuclear Regulatory Commission One White Flint North, Mail Stop 08-H4A 11555 Rockville Pike Rockville, MD 20852-2738 NRC Senior Resident Inspector Kewaunee Power Station
NRC FORM 366 U.S. NUCLEAR REGULATORYCOMMISSION APPROVED BY OMB: NO. 3150-0104 EXPIRES: 10/31/2013 (10-2010)
Estimated burden per response to comply with this mandatory collection request: 80 hrs.
Reported lessons learned are incorporated into the licensing process and fed back to industry. Send comments regarding burden estimate to the FOIAlPrivacy Service (T-5 F53), U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001, or by internet e-mail EEVENTREPORT(LER) to infocollects.resource@nrc.gov, and to the Desk Officer, Office of (See reverse for required number of Information and Regulatory Affairs, NEOB-10202, (3150-0104), Office of digits/characters for each block)
Management and Budget, Washington, DC 20503.
If a means used to impose an information collection does not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.
- 3. PAGE Kewaunee Power Station 05000305 1
OF 3
- 4. TITLE Missed Verification of Offsite Circuit Breaker Alignment and Power Availability, Within Completion Time
- 5. EVENT DATE
- 6. LER NUMBER
- 7. REPORT DATE
- 8. OTHER FACILITIES INVOLVED FACILITY NAME DOCKET MONTH DAY YEAR YEAR SEQUENTIAL REV MONTH DAY YEAR NUMBER NUMBER NOI I
NO_
_05000 FACILITY NAME 12 03 2012 2012 009 00 02 07 2013 05000
- 9. OPERATING
- 11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR §: (Check all that apply)
MODE 0
20.2201 (b) 0 20.2203(a)(3)(i) 0 50.73(a)(2)(i)(C) 0 50.73(a)(2)(vii) 1 0
20.2201 (d) 0 20.2203(a)(3)(ii) 0 50.73(a)(2)(ii)(A) 0 50.73(a)(2)(viii)(A)
[0 20.2203(a)(1) 0 20.2203(a)(4) 0 50.73(a)(2)(ii)(B) 0 50.73(a)(2)(viii)(B) 0] o 20.2203(a)(2)(i) 0 50.36(c)(1)(i)(A) 0 50.73(a)(2)(iii) 0 50.73(a)(2)(ix)(A) o 20.2203(a)(2)(ii) 0 50.36(c)(1)(ii)(A)
[0 50.73(a)(2)(iv)(A)
[0 50.73(a)(2)(x)
- 10. POWER LEVEL F]
20.2203(a)(2)(iii) 0 50.36(c)(2) 0 50.73(a)(2)(v)(A) 0 73.71(a)(4) o 20.2203(a)(2)(iv) 0 50.46(a)(3)(ii) 0 50.73(a)(2)(v)(B) 0 73.71 (a)(5) 100%
0 20.2203(a)(2)(v)
[0 50.73(a)(2)(i)(A) 0 50.73(a)(2)(v)(C) 0 OTHER 0
20.2203(a)(2)(vi)
[
50.73(a)(2)(i)(B) 0 50.73(a)(2)(v)(D)
Specify in Abstract below or in NRC Form 366A
- 12. LICENSEE CONTACT FOR THIS LER FACILITY NAME ITELEPHONE NUMBER (include Area Code)
Mark GoolsbeyI (920) 388-8689CAUSE SYSTEM COMPONENT MANU-REPORTABLE
CAUSE
SYSTEM COMPONENT MANU-REPORTABLE FACTURER TO EPIX FACTURER TO EPIX
- 14. SUPPLEMENTAL REPORT EXPECTED
- 15. EXPECTED El YES (If yes, complete 15. EXPECTED SUBMISSION DATE)
[
NO SUBMISSION MONTH DAY YEAR DATE ABSTRACT (Limit to 1400 spaces, i.e., approximately 15 single-spaced typewritten lines)
On December 10, 2012, while in Mode 1, Technical Specification (TS) Limiting Condition for Operation (LCO) 3.8.1, "AC Sources - Operating," Condition B, Required Action B.1 was discovered to have not been completed within the required Completion Time, following one Emergency Diesel Generator (EDG)
[DG] being made inoperable for scheduled "B" train maintenance on December 3, 2012. Required Action B.1, to "Perform SR 3.8.1.1 for the offsite circuit(s)," had been performed, with acceptable results, for the initial 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Completion Time immediately following the EDG being declared inoperable.
However, it was not fully performed "Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter" for the two subsequent 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> periods.
The EDG was restored to operable less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after being made inoperable and thus LCO 3.8.1 was met and Required Action B.1 was no longer applicable.
This incomplete surveillance was due to a missing page in the procedure directing the performance of the Surveillance Requirement (SR). Upon discovery one week later, a prompt review of computer trend data for that time period showed the SR 3.8.1.1 acceptance criteria were met.
This event is being reported pursuant to 10 CFR 50.73(a)(2)(i)(B) for any operation or condition which was prohibited by the plant's Technical Specifications.
NRC FORM 366 (10-2010)
Event Description
At 0726 CST on December 3, 2012, while in Mode 1, "B" EDG was made inoperable for "B" train scheduled maintenance and testing. With one EDG inoperable, TS Limiting Condition for Operation (LCO) 3.8.1, "AC Sources - Operating," Condition B, Required Action B.1, requires SR 3.8.1.1, "Verify correct breaker [BKR]
alignment and indicated power availability for each offsite circuit", to be performed with a Completion Time of "1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />," and "Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter."
SR 3.8.1.1 is implemented by procedure OP-KW-OSP-MISC-002, Electrical Power System Weekly Test, and is recorded on Attachment A to that procedure.
At 0742 on December 3, 2012, to satisfy the 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Completion Time, OP-KW-OSP-MISC-.002 was completed in its entirety with acceptable results. Two subsequent performances at 1514 and 2220, each to satisfy the "Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter" Completion Time, were inadvertently not completed in their entirety; one page of the Attachment A was missing in each copy of the procedure and was not discovered during the performance of the SR. The missed step was a check of electrical grid frequency.
At 0411 CST on December 4, 2012, "B" EDG was restored to operable and thus the LCO 3.8.1 was met and Required Action B.1 was no longer applicable.
At 0845 CST on December 5, 2012, to satisfy the routine weekly SR 3.8.1.1 Frequency, OP-KW-OSP-MISC-002 was completed in its entirety with acceptable results.
At approximately 1100 CST on December 10, 2012, during procedure reviews, operators discovered that one page of Attachment A was missing for each of the 1514 and 2220 performances of OP-KW-OSP-MISC-002. This incomplete Attachment A was due to human error when copies were not page checked prior to use, and the missing page was not discovered during the performance of the SR. Upon discovery one week later, a prompt review of computer trend data for that time period showed the SR 3.8.1.1 acceptance criteria were met. At this time of discovery, LCO 3.8.1 was met and Required Action B.1 was no longer applicable.
Condition Report CR499645 was initiated to document the incomplete SR 3.8.1.1.
Event and Safety Consequence Analysis At the time of discovery of not having performed the Required Action B.1 within the required Completion Time, the LCO 3.8.1 was met and the Required Action B.1 was no longer applicable. Also, a prompt review of computer trend data for the time period of the missed Required Action showed that the SR 3.8.1.1 acceptance criteria to have been met. Therefore, it was concluded that the safety consequence of this event was minimal.
Cause
An Operations department Human Performance Review Board found the cause of this event to be due to human error when copies of the SR 3.8.1.1 procedure data sheets were not page checked prior to use, and the missing page was not discovered during the performance of the SR.(10-2010)
U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT (LER)
CONTINUATION SHEET 2.
- 6. LER NUMBER
- 3. PAGE 4
SEQUENTIAL NUMBER REV NO.
Kewaunee Power Station 3
OF 3
2012 009 00
Corrective Actions
Immediate corrective actions taken were:
- 1. A prompt review, on December 10, 2012, of computer trend data was performed for the time period of the missed Required Action. That data review showed that the SR 3.8.1.1 acceptance criteria to have been met throughout that time period.
- 2. Lessons learned from this human performance error were sent out to the Operating Crews on December 10, 2012.
No additional corrective actions are planned.
Similar Events
A review of Licensee Event Reports covering the last three years did not identify any similar events.