05000382/LER-2013-006, Regarding Failure of Credited Operator for Air Operated Valve Causes Train Past Inoperability

Regarding Failure of Credited Operator for Air Operated Valve Causes Train Past Inoperability

ML13305B037
Person / Time
Site:	Waterford
Issue date:	10/31/2013
From:	Pellegrin B Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
W3F1-2013-0060 LER 13-006-00
Download: ML13305B037 (9)

LER-2013-006, Regarding Failure of Credited Operator for Air Operated Valve Causes Train Past Inoperability

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 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)(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
LER closed by
IR 05000382/2013000 (7 February 2014) IR 05000382/2013005 (7 February 2014)
3822013006R00 - NRC Website

text

10 CFR 50.73 W3F1-2013-0060 October 31, 2013 U.S. Nuclear Regulatory Commission Attn: Document Control Desk 11555 Rockville Pike Rockville, MD 20852

Subject:

Licensee Event Report (LER) 2013-006-00 Waterford Steam Electric Station, Unit 3 (Waterford 3)

Docket No. 50-382 License No. NPF-38

Dear Sir or Madam:

Entergy is hereby submitting Licensee Event Report (LER) 2013-006-00 for Waterford Steam Electric Station, Unit 3 (Waterford 3). This report provides details associated with past inoperability of one train of a safety related system due to failure of a credited manual operator for an air operated valve.

Based on plant evaluation, it was determined that this condition is reportable pursuant to 10 CFR 50.73(a)(2)(i)(B) and 10 CFR 50.73(a)(2)(ii)(B).

This report contains no new commitments. Please contact Bryan J. Pellegrin, Licensing Manager - Acting, at (504) 739-6203 if you have questions regarding this information.

Sincerely, BJP/WH

Attachment:

Licensee Event Report 2013-006-00 Entergy Operations, Inc.

17265 River Road Killona, LA 70057-3093 Tel 504-739-6203 Fax 504-739-6698 bpelleg@entergy.com Bryan J. Pellegrin Licensing Manager - Acting Waterford 3

W3F1-2013-0060 Page 2 cc:

Mr. Marc L. Dapas, Regional Administrator U.S. NRC, Region IV RidsRgn4MailCenter@nrc.gov U.S. NRC Project Manager for Waterford 3 Kaly.Kalyanam@nrc.gov U.S. NRC Senior Resident Inspector for Waterford 3 Marlone.Davis@nrc.gov

Attachment to W3F1-2013-0060 Licensee Event Report 2013-006-00

NRC FORM 366 (10-2010)obo-3 NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION (10-2010)

LICENSEE EVENT REPORT (LER)

(See reverse for required number of Digi /characters for each block)

APPROVED BY OMB NO. 3150-0104 EXPIRES 10/31/2013

, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.

3. PAGE Waterford 3 Steam Electric Station 05000 382 1

OF 6

4. TITLE Failure of Credited Manual Operator for Air Operated Valve Causes Train Past Inoperability

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 09 04 2013 2013 - 006 00 10 31 2013 FACILITY NAME DOCKET NUMBER

9. OPERATING MODE

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

Mode 1 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)

10. POWER LEVEL 20.2203(a)(2)(ii) 50.36(c)(1)(ii)(A) 50.73(a)(2)(iv)(A) 50.73(a)(2)(x) 100%

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 Specify in Abstract below or in*

Update applicable technical documents to provide adequate cautions, limitations, and guidance to ensure appropriate disc orientation when changing the valve shaft or disc. (planned CR-WF3-2013-4290)

SAFETY SIGNIFICANCE

Industrial Safety: There was no industrial safety significance associated with this issue.

Radiological Safety: There was no radiological safety significance associated with this issue.

Nuclear Safety: A nuclear safety evaluation was performed using actual meteorological data over the time period and concluded that the Ultimate Heat Sink was fully functional considering the identified condition and that significant water inventory margin was available for all analyzed events and accidents. There was no impact to nuclear safety.

SIMILAR EVENTS

A search was performed using the NRCs ADAMS search engine for other similar reported events at Waterford 3 and in the industry. No similar events were identified.

ADDITIONAL INFORMATION

Energy industry identification system (EIIS) codes and component function identifiers are identified in the text with brackets [ ].