Lookout COT W - Nuclear Regulatory Commission · 2012-11-30 · 40 . TENNESSEE VALLEY AUTHORITY...
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40 . TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 37401 51 157B Lookout Place COT @1 W U.S. Nuclear Regulatory Commission ATTI: Document Control Desk Washington, D.C. 20555 Gentlemen: In the Matter of ) Docket los. 50-259 50-328 Tennessee Valley Authority ) 50-260 50-390 ) 50-296 50-391 ) 50-321 PROPOSED PROGRAM IN RESPONSE TO GENERIC LETTER 88-20 - INDIVIDUAL PLANT EXAMINATION (IPE) FOR SEVERE ACCIDENT VULNERAB1LITIES Reference... 1. Generic Letter 88-20, "Individual Plant Examination for Severe Accident Valnerabilities - 10 CFR 50.54(f)," dated November 23, 1988 2. NUREG-1335, "Individual Plant Examination: Submittal Guidance, Final Report," August 1989 Generic Letter 88-20 (Reference 1) requested each licensee perform an IPE and submit the results to the NRC. In addition, Reference 1 requires that the licensee submit the IPE results within three years of tho issuance of the NRC guidance document (Reference 2). The availability of Reference 2 was published in the Federal Register on September 1, 1989, thus starting the three-year period. Additionally, the generic letter requested each licensee submit its proposed program for completing the IPEf within 60 days from the date of the Federal Reister notice announcing the availability of Reference 2. The response was requested to identify the method and approach to be used for performing the IPE, to describe the method to be used, and to identify milestones and schedules for submitting the results of the 1Pts to the URC. TVA's program is to complete a Level 1 probabilistic risk assessment and containment analysis for Browns Ferry, Watts Bar, and Sequoyah Nuclear Plants satisfying the criteria of Generic Letter 88-20 and NUREG 1335 by September 1, 1992. Previous risk assessment work by TVA will be utilized to complete this work. Enclosure 2 provides a mili(tone schedule for the proposed program. The commitments contained in this submittal are stated in Enclosure 1. 0010 FP| DRAU, W "l Fý An Iq(UJI (OpfJi) !OJUIty t l IfI, "E
Transcript of Lookout COT W - Nuclear Regulatory Commission · 2012-11-30 · 40 . TENNESSEE VALLEY AUTHORITY...
40 .
TENNESSEE VALLEY AUTHORITY
CHATTANOOGA. TENNESSEE 37401
51 157B Lookout Place
COT @1 W
U.S. Nuclear Regulatory Commission ATTI: Document Control Desk Washington, D.C. 20555
Gentlemen:
In the Matter of ) Docket los. 50-259 50-328 Tennessee Valley Authority ) 50-260 50-390
) 50-296 50-391 ) 50-321
PROPOSED PROGRAM IN RESPONSE TO GENERIC LETTER 88-20 - INDIVIDUAL PLANT EXAMINATION (IPE) FOR SEVERE ACCIDENT VULNERAB1LITIES
Reference... 1. Generic Letter 88-20, "Individual Plant Examination for Severe Accident Valnerabilities - 10 CFR 50.54(f)," dated November 23, 1988
2. NUREG-1335, "Individual Plant Examination: Submittal Guidance, Final Report," August 1989
Generic Letter 88-20 (Reference 1) requested each licensee perform an IPE and submit the results to the NRC. In addition, Reference 1 requires that the licensee submit the IPE results within three years of tho issuance of the NRC guidance document (Reference 2). The availability of Reference 2 was published in the Federal Register on September 1, 1989, thus starting the three-year period. Additionally, the generic letter requested each licensee submit its proposed program for completing the IPEf within 60 days from the date of the Federal Reister notice announcing the availability of Reference 2. The response was requested to identify the method and approach to be used for performing the IPE, to describe the method to be used, and to identify milestones and schedules for submitting the results of the 1Pts to the URC.
TVA's program is to complete a Level 1 probabilistic risk assessment and containment analysis for Browns Ferry, Watts Bar, and Sequoyah Nuclear Plants satisfying the criteria of Generic Letter 88-20 and NUREG 1335 by September 1, 1992. Previous risk assessment work by TVA will be utilized to complete this work. Enclosure 2 provides a mili(tone schedule for the proposed program. The commitments contained in this submittal are stated in Enclosure 1.
0010
FP| DRAU, W "l Fý
An Iq(UJI (OpfJi) !OJUIty t l IfI, "E
OCT 30 189U.S. Nuclear Regulatory Coismssion
If you have questions regarding this at (615) 751-811.
submittal, please telephone S. K. Crowe
Very truly yours,
TENNESSEn VALLEY AUTHORITY
Mandi Reg'latry Aensing and Regstlatory Affairs
Enclosures cc (Rnclosures):
Ns. S. C. Black, Assistant Director for Projects
TVA Projects Division U.S. Nuclear Regulatory Comission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852
Kr. B. A. Wilson, Assistant Director for Inspection Programs
TWA Projects Division U.S. Nuclear Regulatory Commission Region I1 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323
NRC Resident Inspntor Browns Ferry Nuclear Plant Route 12, P.O. Box 637 Athens, Alabama 35609-2000
NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379
NRC Resident Inspector Watts Bar Nuclear Plant P.O. box 700 Spring City, Tennessee 37381
Enclosure 1
1. TVA's prosram Is to complete a Level 1 probabilistic risk assessment and containment analysis for Browns Ferry, Watts Bar, and Sequoyah Nuclear Plants satisfying the criteria of Generic Letter 88-20 and UUREG-1335 by September 1, 1992.
ENCLOSURE 2
TVA'S INDIVIDUAL PLAN7 EXAMINATION MILESTONE SCHEDULE
WBN
BFN
SQN
I I I I I I
OCT JAN 'a9 O90
JAN 191
LEVEL I PROBABILISTIC RISK ASSESSMENT
CONTAINMENT ANALYSIS
OL 85-20 RESPONSE
vj v vy y
JAN '92
JAN 193
