ML20211G304
| ML20211G304 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 08/26/1999 |
| From: | Terry C, Walker R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20211G309 | List: |
| References | |
| TAC-MA3747, TXX-99205, NUDOCS 9908310221 | |
| Download: ML20211G304 (4) | |
Text
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TXU 1
$ : TXU Electric
, C.LanceTerry Comenche Peek,
Senior Vice President & Principal Nuclear omcer Steam Electric Station P. o. Box 1002 Glen Hose.TX 76043.
Tet 2548978920 Fasc 254 8976652 lterryl@txu. corn.
Log # TXX-99205 File # 10010 Ref. # 10CFR50.36 August 26,1999 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555
SUBJECT:
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446 j
SUPPLEMENT TO LICENSE AMENDMENT REQUEST
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LAR-98-006, REVISION TO STEAM GENERATOR TUBE PLUGGING CRITERIA (TAC NO. 3747)
I REF: TXU Electric Letter, logged TXX-98196, from C. L. Terry to the NRC dated October 2,1998 Per the referenced letter, TXU Electric proposed to amend Technical Specification 4.0.6, " Steam Generator Surveillance Requirements" which provides tube inspection requirements and acceptance criteria to determine the level of degradation for which the tube may remain in service. The proposed amendment would add defmitions required for the F* and it identifies the portion of the tube subject to the criteria.
During a recent teleconference with the NRC staff, TXU Electric discussed the methodology for determining the eddy current NDE measurement uncertainty to be used in conjunction with F*. The resultant NDE uncertainty value is based on a 95/95 of the lower tolerance limit factor. TXU Electric will include a description of n i ft. O O '
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- l. TXU Electric was formerly TU Electric. A license amendment request (LAR 99-003) was submitted per TXX-99122, dated May i4,1999, to revise the company name contained in the CPSES operating licenses.
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CTXU TXX-99205 Page 2 of 3 l
the methodology used in applying the F* criteria, including the associated NDE uncertainty, in the CPSES FSAR. In addition, clarifications to the Technical Specifications were discussed and are included in Attachment 2. is the affidavit required for information supporting a license amendment request. Attachment 2 provides clarifications to the Technical Specifications. In accordance with 10CFR50.91(b), TXU Electric is providing the State of Texas with a copy of this proposed amendment.
This communication contains the following new commitment which will be incorporated into the CPSES licensing bases in the next appropriate update to the FSAR:
CDF Number Commitment
[27183]
TXU Electric will include a description of the methodology used in applying the F* criteria, including the associated NDE uncertainty, in the CPSES FSAR.
i The CDF number is used by TXU Electric for the internal tracking of CPSES commitments.
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l TXX-99205.
Page 3 of 3 Should you require additional information regarding this matter, please contact Obaid Bhatty at (254) 897-5839.
Sincerely, C. L. Terry By:
M RogkD. Walker Regulatory Affairs Manager OAB/oab Attachments: 1)
Affidavit 2)
Revised Technical Specification Pages cc:
E. W. Merschoff, Region IV J. I. Tapia, Region IV D. H. Jaffe, NRR -
Resident Inspectors, CPSES Mr. Arthur C. Tate Bureau of Radiation Control Texas Department of Public Health 1100 West 49th Street Austin, Texas 78704 L
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UNITED STATES OF AMERICA
- NUCLEAR REGULATORY COMMISSION l
In the Matter of
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TXU Electric
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Docket Nos.
50-445
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50-446 (Comanche Peak Steam Electric
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License Nos.
NPF-87 Station, Units 1 & 2)
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NPF-89 AFFIDAVIT Roger D. Walker being duly sworn, hereby deposes and says that he is the Regulatory Affairs Manager of TXU Electric, the licensee herein; that he is duly authorized to sign and file with the Nuclear Regulatory Commission this Supplement to License Amendment Request 98-006; that
. he is familiar with the content thereof; and that the matters set forth therein are true and correct to the best of his knowledge, information and belief.
Roger D. Walker Regulatory Affairs Manager i-STATE OF TEXAS
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COUNTY OF6cmerce d
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Subscribed and sworn to before me, on this 2Mb day of h_udtto
,1999.
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