05000443/LER-2012-005, Regarding Service Water Cooling Tower Low Water Level

From kanterella
Jump to navigation Jump to search
Regarding Service Water Cooling Tower Low Water Level
ML130420169
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 02/04/2013
From: O'Keefe M
NextEra Energy Seabrook
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
SBK-L-13023 LER 12-005-00
Download: ML130420169 (4)


LER-2012-005, Regarding Service Water Cooling Tower Low Water Level
Event date:
Report date:
Reporting criterion: 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications

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
4432012005R00 - NRC Website

text

4 NEXTera ENERGY-,A February 4, 2013 10 CFR 50.73 Docket No. 50-443 SBK-L-13023 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Seabrook Station Licensee Event Report (LER) 2012-005-00 Service Water Cooling Tower Low Water Level Enclosed is Licensee Event Report (LER) 2012-005-00. This LER reports an event that occurred at Seabrook Station on December 7, 2012. This event is being reported pursuant to the requirements of 10 CFR 50.73(a)(2)(i)(B).

Should you require further information regarding this matter, please contact me at (603) 773-7745.

Sincerely, NextEra Energy Seabrook, LLC Michael O'Keefe Licensing Manager cc:

NRC Region I Administrator J. G. Lamb, NRC Project Manager NRC Senior Resident Inspector NextEra.Energy Seabrook, LLC, P.O. Box 300, Lafayette Road, Seabrook, NH 03874

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB: NO. 3150-0104 EXPIRES: 10/3112013 (10-2010)

Estimated burden per response to comply with this mandatory collection request: 80 hours9.259259e-4 days <br />0.0222 hours <br />1.322751e-4 weeks <br />3.044e-5 months <br />. Reported lessons learned are incorporated into the licensing process and fed back to industry. Send comments regarding burden estimate to the FOIA/Privacy Section (T-5 F53), U.S. Nuclear LICENSEE EVENT REPORT (LER)

Regulatory Commission, Washington, DC 20555-0001, or by internet e-mail to infocollects.resourse@nrc.gov, and to the Desk Officer, Office of Information and Regulatory Affairs, NEOB-10202, (3150-0104), Office of 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.

13. PAGE Seabrook Station 05000443 1 OF 3
4. TITLE Service Water Cooling Tower Low Water Level
5. EVENT DATE
6. LER NUMBER
7. REPORT DATE
8. OTHER FACILITIES INVOLVED I SAY Y

R FACILITY NAME DOCKET NUMBER MONTH DAY YEAR Y

SEQUENTIAL REV MONTH DAY YEAR N/A N/A EA

]NUMB ER

]NO.

FACILITY NAME D)OCKET NUMBER 12 07 2012 2012 -

005 00 02 04 2013 N/A N/A

9. OPERATING MODE
11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR§: (Check all that apply)

El 20.2201(b)

El 20.2203(a)(3)(i)

El 50.73(a)(2)(i)(C)

El 50.73(a)(2)(vii)

[1 E 20.2201(d)

El 20.2203(a)(3)(ii)

[E 50.73(a)(2)(ii)(A)

El 50.73(a)(2)(viii)(A)

[I 20.2203(a)(1)

El 20.2203(a)(4)

El 50.73(a)(2)(ii)(B)

El 50.73(a)(2)(viii)(B)

El 20.2203(a)(2)(i)

El 50.36(c)(1)(i)(A)

El 50.73(a)(2)(iii)

[I 50.73(a)(2)(ix)(A)

10. POWER LEVEL

[] 20.2203(a)(2)(ii)

El 50.36(c)(1)(ii)(A)

El 50.73(a)(2)(iv)(A)

El 50.73(a)(2)(x)

El 20.2203(a)(2)(iii)

El 50.36(c)(2)

El 50.73(a)(2)(v)(A)

E] 73.71(a)(4) 100%

[1 20.2203(a)(2)(iv)

El 50.46(a)(3)(ii)

El 50.73(a)(2)(v)(B)

El 73.71 (a)(5)

El 20.2203(a)(2)(v)

El 50.73(a)(2)(i)(A)

[I 50.73(a)(2)(v)(C)

El OTHER El 20.2203(a)(2)(vi) 0 50.73(a)(2)(i)(B)

[E 50.73(a)(2)(v)(D)

Specify in Abstract below or in

Corrective Actions

1. Initiated a fast fill of cooling tower and restored level above TS limit of 42.15 feet.
2.

Increasing the use of operator fundamentals.

Similar Events

A review of the corrective action program and LERs identified no similar events in the past 5 years.

Failed Components None.

Additional Information

The Energy Industry Identification System (EIIS) codes are included in this LER in the following format:

[EIIS system identifier].