ML20217K909
| ML20217K909 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 10/15/1999 |
| From: | Gramm R NRC (Affiliation Not Assigned) |
| To: | Cottle W HOUSTON LIGHTING & POWER CO. |
| Shared Package | |
| ML20217K913 | List: |
| References | |
| TAC-MA5870, TAC-MA5871, NUDOCS 9910270027 | |
| Download: ML20217K909 (3) | |
Text
Mr. William T. Cottis October 15, 1999 President end Chl:f Executive Offic:r y
STP Nuclear Operating Company South Texas Project Electric Generating Station P. O. Box 289 Wadsworth,TX 77483
SUBJECT:
SOUTH TEXAS PROJECT, UNITS 1 AND 2 - SECOND 10-YEAR INTERVAL INSERVICE INSPECTION PROGRAM PLAN - RELIEF REQUEST RR-ENG-2-3 (TAC NOS. MA5870 AND MA5871)
Dear Mr. Cottle:
By istter dated June 9,1999, STP Nuclear Operating Company (STPNOC) submitted relief request RR ENG 2-3 for relief from the American Society of Mechanical Engineers Code,Section XI, nondestructive examination requirements applicable to the South Texas Project (STP), Units 1 and 2, pressurizer support attachment welds. STPNOC proposes to perform an alternative ultrasonic examination from the outside surface of the skirt attachment weld,in lieu of a surface examination from inside the pressurizer skirt.
The Nuclear Regulatory Commission staff has evaluated the information provided by STPNOC.
The staff concludes that STPNOC's proposed alternative to peiorm an ultrasonic examination to detect flaws in'the weld provides an acceptable level of quality and safety. Therefore,
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pursuant to 10 CFR 50.55a(a)(3)(i), the alternative proposed in relief request RR-ENG 2-3 is authorized for the second 10-year inservice inspection interval of the STP, Units 1 and 2. Our related safety evaluation is enclosed.
Sincerely, ORIGINAL SIGNED BY Robert A. Gramm, Chief, Section 1 Project Directorate IV & Decommissionmg i
Division of Licensing Project Management Office of Nuclear Reactor Regulation
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Docket Nos. 50 498 and 50-499
Enclosure:
Safety Evaluation kJ p.
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UNITED STATEC T
g-j NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20565-0001 October 15, 1999
- Mr. William T. Cottle President and Chief Executive Officer STP Nuclear Operating Company South Texas Project Electric Generating Station P. O. Box 289 Wadsworth,TX 77483
SUBJECT:
' SOUTH TEXAS PROJECT, UNITS 1 AND 2 - SECOND 10-YEAR INTERVAL INSERVICE INSPECTION PROGRAM PLAN - RELIEF REQUEST RR ENG-2-3 (TAC NOS. MA5870 AND MA5871)
Dear Mr. Cottle:
By letter dated June 9,1999, STP Nuclear Operating Company (STPNOC) submitted relief request RR-ENG-2-3 for relief from the American Society of Mechanical Engineers Code,Section XI, nondestructive examination requirements applicable to the South Texas Project (STP), Units 1 and 2, pressurizer support attachment welds. STPNOC proposes to perform an alternative ultrasonic examination from the outside surface of the skirt attachment weld,in lieu of a surface examination from inside the pressurizer skirt.
j
(
The Nuclear Regulatory Commission staff has evaluated the information provided by STPNOC.
The staff concludes that STPNOC's proposed alternative to perform an ultrasanic examination to detect flaws in the weld provides an acceptable level of quality and safety. Therefore, I
pursuant to 10 CFR 50.55a(a)(3)(i), the alternative proposed in relief request RR ENG 2 3 is atthorized for the second 10-year inservice inspection interval of the STP, Units 1 and 2. Our rented safety evaluation is enclosed.
Sincerely, f
Il &
Robert A. Gramm, Chief, Section 1 Project Directorate IV & Decommissioning Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499
Enclosure:
Safety Evaluation cc w/ encl: See next page
i 4
South Texas, Units 1 & 2
.cc:
Mr. Cornelius F. O'Keefe Mr. J. J. Sheppard, Vice President Senior Resident inspector Engineering & Technical Services U.S. Nuclear Regulatory Commission STP Nuclear Operating Company P. O. Box 910 P. O. Box 289 Bay City, TX 77414 Wadsworth,TX 77483 A. Ramirez/C. M. Canady S. M. Head, Supervisor, Licensing.
City of Austin Quality & Licensing Department Electric Utility Department STP Nuclear Operating Company 721 Barton Springs Road P. O. Box 289 1
Austin, TX 78704 Wadsworth, TX 77483 Mr. M. T. Hardt Office of the Governor
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Mr. W. C. Gunst ATTN: John Howard, Director City Public Service Board Environmental and Natural P. O. Box 1771 Resources Policy San Antonio,TX 78296 P. O. Box 12428 Austin,TX 78711 Mr. G. E. Vaughn/C. A. Johnson Central Power and Light Company Jon C. Wood P. O. Box 289 Matthews & Branscomb MailCode: N5012 One Alamo Center Wadsworth,TX 74483 106 S. St. Mary's Street, Suite 700 San Antonio,TX 78205-3692 INPO Records Center Arthur C. Tate, Director
. 700 Galleria Parkway -
Division of Compliance & Inspection Atlanta, GA 30339-3064
' Bureau of Radiation Control Texas Department of Health Regional Administrator, Region IV 1100 West 49th Street 1
U.S. Nuclear Regulatory Commission Austin,TX 78756
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611 Ryan Plaza Drive, Suite 400 i
Arlington,TX 76011 Jim Calloway Public Utility Commission of Texas i
D. G. Tees /R. L. Balcom.
Electric Industry Analysis Houston Lighting & Power Co.
P. O. Box 13326 P. O.- Box 1700 Austin, TX 78711-3326 l
- Houston, TX 77251 k
Judge, Matagorda County j
Matagorda County Courthouse i
1700 Seventh Street j
Bay City, TX. 77414 -
)
Jack R. Newman, Esq.
1800 M Street, N.W.
Washington, DC 20036-5869 i
i May 1999 2