NOC-AE-14003205, Supplement to Response to Request for Additional Information Regarding the License Amendment Request for Technical Specification 3.3.1, Reactor Trip System Instrumentation, Functional Unit 20 (TAC MF3319 & Mf 3320)

Supplement to Response to Request for Additional Information Regarding the License Amendment Request for Technical Specification 3.3.1, Reactor Trip System Instrumentation, Functional Unit 20 (TAC MF3319 & Mf 3320)

ML15008A026
Person / Time
Site:	South Texas
Issue date:	12/17/2014
From:	Rencurrel D South Texas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NOC-AE-14003205, TAC MF3319, TAC MF3320
Download: ML15008A026 (2)

Text

Nuclear Operating Company South Teaas ProjectElectric GeneratingStation P.O Baox289 Wadsworth. Texas 77483 December 17, 2014 NOC-AE-1 4003205 10 CFR 50.90 U.S, Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Supplement to STPNOC Response to Request for Additional Information Regarding the License Amendment Request for Technical Specification 3.3.1, Reactor Trip System Instrumentation, Functional Unit 20 (TAC Nos. MF 3319 and MF 3320)

References:

1. Letter from G.T. Powell, STPNOC, to NRC Document Control Desk, "Supplement to License Amendment Request Proposed Revision to Technical Specification 3.3.1, Functional Unit 20, 'Reactor Trip Breakers'," June 9, 2014 (ML14184B363)

2. Letter from D.W. Rencurrel, STPNOC, to NRC Document Control Desk, "STPNOC Response to Request for Additional Information Regarding the License Amendment Request for Technical Specification 3.3.1, Reactor Trip System Instrumentation, Functional Unit 20," December 9, 2014 On June 9, 2014, STP Nuclear Operating Company (STPNOC) submitted a license amendment request to revise Technical Specification (TS) 3.3.1, "Reactor Trip System Instrumentation," with respect to the required actions and allowed outage times for inoperable reactor trip breakers, Functional Unit 20

[Reference 1]. STPNOC responded to requests for additional information (RAIs) from the NRC on December 9, 2014 [Reference 2].

As requested by the NRC via teleconference on December 16, 2014, STPNOC is providing the following clarification to one RAI response (RAI 2b):

In response to NRC request RAI 2b regardingFacts and Observations (F&Os) from recentpeer reviews, STPNOC confirms that there are no outstanding F&Os related to the Reactor Trip Breakers.

There are no commitments in this letter.

If there are any questions regarding this letter, please contact Wendy Brost at (361) 972-8516 or me at (361) 972-7867.

I declare under penalty of perjury that the foregoing is true and correct.

Executed on 2-I/lf ZI /t Senior Vice President of Operations web STI: 34028771

NOC-AE-14003205 Page 2 of 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV Steve Frantz U. S. Nuclear Regulatory Commission Morgan, Lewis & Bockius LLP 1600 East Lamar Boulevard Arlington, TX 76011-4511 Balwant K. Singal U. S. Nuclear Regulatory Commission Balwant K. Singal John Ragan Senior Project Manager Chris O'Hara U.S. Nuclear Regulatory Commission Jim von Suskil One White Flint North (MS 8 B1i) NRG South Texas LP 11555 Rockville Pike Rockville, MD 20852 NRC Resident Inspector Kevin Polio U. S. Nuclear Regulatory Commission Cris Eugster P. 0. Box 289, Mail Code: MN1 16 L. D. Blaylock Wadsworth, TX 77483 CPS Energy Peter Nemeth Crain Caton & James, P.C.

C. Mele John Wester City of Austin Richard A. Ratliff Robert Free Texas Department of State Health Services