NOC-AE-02001306, Extension of Implementation Time for Amendment Nos. 136 & 125, Relaxation of Allowed Outage Times & Bypass Test Times for Instrumentation

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Extension of Implementation Time for Amendment Nos. 136 & 125, Relaxation of Allowed Outage Times & Bypass Test Times for Instrumentation
ML021200314
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 04/18/2002
From: Head S
South Texas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NOC-AE-02001306, STI: 31435331
Download: ML021200314 (3)
v • d • e


Text

Nuclear Operating Company South Texas Proect Electric Generafing Station PO. Box 28* Wadsworth Texas 77483

  • xx April 18, 2002 NOC-AE-02001306 File No.: G25 10CFR50.90 STI: 31435331 U. S. Nuclear Regulatory Commission Attn: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852 South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 Extension of Implementation Time for Amendment Nos. 136 (Unit 1) and 125 (Unit 2),

Relaxation of Allowed Outage Times and Bypass Test Times for Instrumentation

Reference:

Letter, M. C. Thadani to W. T. Cottle, "Issuance of Amendments Revising Allowable Outage Times and Bypass Test Times for Instrumentation (TAC Nos. MB2138 and MB2139)," dated March 19, 2002. [ST-AE-NOC-02000932]

The reference letter issued Amendment 136 to Facility Operating License NPF-76 and Amendment 125 to Facility Operating License NPF-80, for South Texas Project Unit 1 and Unit 2, respectively.

These Amendments permit the relaxation of the Allowed Outage Times and Bypass Test Times for the Limiting Conditions of Operation in Technical Specification 3.3.1, "Reactor Trip System Instrumentation," and Technical Specification 3.3.2, "Engineered Safety Features Actuation System Instrumentation."

STP requested, and the NRC approved, a 30-day implementation period associated with issuance of these Amendments. As discussed on April 16, 2002, in a teleconference with Mr. M. Thadani, additional time will be necessary to incorporate actuation logic and relay unavailability and risk into the Configuration Risk Management Program. Per our discussion it is our understanding, unless informed otherwise by the NRC, that STP has been permitted until May 31, 2002, to implement these Amendments.

NOC-AE-02001306 Page 2 Additionally, we noted during previous discussions a wording difference between our submittal and the associated NRC Safety Evaluation Report (SER). As we discussed, the Safety Evaluation stated (Page 5, paragraph 3 of the SER) that "the status of the bypassed channel will be indicated in both the control room and locally," whereas our submittal stated "the status of the bypassed condition will be indicated in both the control room and locally." As we discussed with Mr. Thadani, it is our understanding that this difference in wording does not reflect a misinterpretation regarding the design of our planned bypass testing modification (i.e., "channel" vs. "condition"), but is merely a minor variation in wording with no change in design requirements implied.

There are no new commitments made in this letter.

If you have any questions on this amendment application, please contact either J. R. Morris at (361) 972-8652 or me at (361) 972-7136.

Scott M. Head Manager, Licensing JRM!

NOC-AE-02001306 Page 3 cc:

(paper copy) (electronic copy)

Ellis W. Merschoff A. H. Gutterman, Esquire Regional Administrator, Region IV Morgan, Lewis & Bockius LLP U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 M. T. Hardt/W. C. Gunst Arlington, Texas 76011-8064 City Public Service U. S. Nuclear Regulatory Commission Mohan C. Thadani Attention: Document Control Desk U. S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike R. L. Balcom/D. G. Tees Rockville, MD 20852 Reliant Energy, Inc.

Richard A. Ratliff A. Ramirez Bureau of Radiation Control City of Austin Texas Department of Health 1100 West 49th Street C. A. Johnson/A. C. Bakken III Austin, TX 78756-3189 AEP - Central Power and Light Company Cornelius F. O'Keefe Jon C. Wood U. S. Nuclear Regulatory Commission Matthews & Branscomb P. O. Box 289, Mail Code: MN116 Wadsworth, TX 77483 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704

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