ML082970736
| ML082970736 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 10/28/2008 |
| From: | Thadani M Plant Licensing Branch IV |
| To: | Halpin E South Texas |
| Thadani, M C, NRR/DORL/LP4, 415-1476 | |
| References | |
| GL-07-001, TAC MD4382, TAC MD4383 | |
| Download: ML082970736 (4) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 28, 2008 Mr. Edward D. Halpin Chief Nuclear Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 Wadsworth, TX 77483
SUBJECT:
SOUTH TEXAS PROJECT, UNITS 1 AND 2 - CLOSEOUT OF GENERIC LETTER 2007-01, "INACCESSIBLE OR UNDERGROUND POWER CABLE FAILURES THAT DISABLE ACCIDENT MITIGATION SYSTEMS OR CAUSE PLANT TRANSIENTS" (TAC NOS. MD4382 AND MD4383)
Dear Mr. Halpin:
On February 7,2007, the U.S. Nuclear Regulatory Commission (NRC) issued Generic Letter (GL) 2007-01, "Inaccessible or Underground Power Cable Failures That Disable Accident Mitigation Systems or Cause Plant Transients" (Agencywide Documents Access and Management System (ADAMS) Accession No. ML070360665). GL 2007-01 requested that licensees provide the following information within 90 days of the date of the GL:
(1)
A history of inaccessible or underground power cable failures for all cables that are within the scope of Section 50.65 of Title 10 of the Code of Federal Regulations (10 CFR 50.65, the Maintenance Rule) and for all voltage levels including the cable type, cable manufacturer, date of failure, type of service, voltage class, years of service, and the root causes for the failure; and (2)
A description of all inspection, testing, and monitoring programs to detect the degradation of inaccessible or underground power cables that support emergency diesel generators (EDGs), offsite power, emergency service water (ESW), service water, component cooling water, and other systems that are within the scope of 10 CFR 50.65 (the Maintenance Rule).
In your letters dated June 21,2007, and April 16, 2008 (ADAMS Accession Nos. ML071840162 and ML081130152, respectively), you provided the information requested in GL 2007-01 and the subsequent request for additional information including:
(1)
A history of inaccessible or underground power cable failures for all cables that are within the scope of 10 CFR 50.65 (the Maintenance Rule) and for all voltage levels including the cable type, cable manufacturer, date of failure, type of service, voltage class, years of service, and the root causes for the failure; and (2)
A description of all inspection, testing, and monitoring programs to detect the degradation of inaccessible or underground power cables that support EDGs, offsite power, ESW, service water, component cooling water, and other systems that are within the scope of 10 CFR 50.65 (the Maintenance Rule).
E. Halpin
- 2 The NRC staff has reviewed the submitted information and has concluded that for South Texas Project, Units 1 and 2, your response to GL 2007-01 is adequate. Based on this review, your response to GL 2007-01 is considered closed and no further action is requested of you at this time.
If you have any questions regarding this letter, please feel free to contact me at (301) 415-1476 or mohan.thadani@nrc.gov.
Sincerely,
/1/7/J /J /2)7.
//f/~t~
Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499 cc: See next page
South Texas Project, Units 1 and 2 9/19/2008 cc:
Mr. Ted Enos 4200 S. Hulen, Suite 422 Ft. Worth, TX 76109 INPO Records Center 700 Galleria Parkway Atlanta, GA 30339-3064 Environmental and Natural Resources Policy Director P.O. Box 12428 Austin, TX 78711-3189 Mr. Richard A. Ratliff Radiation Control Program Director Texas Department of State Health Services Bureau of Radiation Control 11 00 W. 49th Street Austin, TX 78756 Additional Distribution via Listserv
ML082970736 OFFICE NRRlLPL4/PE NRRlLPL4/P~l\\l1r NRRlLPL4/LA NRRlDE/EEEB/BC NRRlLPL4/BC NRRlLPL4/PM },'f NAME NDiFrancesco }/1if) MThadani II/b ()
JBurkhardt Ji GWilson (,.,ft\\.)
MMarkley lM"-;:;:"'"
MThadani (1/ 'v DATE lold/IJ 8
/OJ'J-1"/og 10/24/08 v
Ib{;r")(.,%
(ohfi(,.i IO/J-Y:"Itf;