ML052710468
| ML052710468 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 09/27/2005 |
| From: | Crouch W Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| TVA-BFN-TS-424 | |
| Download: ML052710468 (4) | |
Text
September 27, 2005 TVA-BFN-TS-424 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Stop: OWFN P1-35 Washington, D.C. 20555-0001 Gentlemen:
In the Matter of )
Docket No. 50-296 Tennessee Valley Authority )
BROWNS FERRY NUCLEAR PLANT (BFN) - UNIT 3 - REVISED IMPLEMENTATION DATE FOR LICENSE AMENDMENTS AND TECHNICAL SPECIFICATION (TS) CHANGES - REVISION IN THE NUMBER OF EMERGENCY CORE COOLING SYSTEMS REQUIRED IN RESPONSE TO A LOSS OF COOLANT ACCIDENT (TS-424) (AMENDMENT 248)
This letter request that Amendment 248 to BFN Unit 3 License DPR-68 be re-issued to reflect implementation during the Unit 3, Cycle 13 refueling outage.
TVAs planned restart of Unit 1 will require modifications to eliminate the potential for overloading a Units 1/2 4KV shutdown board or diesel generator when both Units 1 and 2 are in-service.
The proposed modifications were described in TS 424, which was submitted in Reference 1 and approved by NRC in Reference 2.
As discussed in those submittals, the associated modifications will reduce the number of Emergency Core Cooling System (ECCS) subsystems that are actually available in response to certain design basis Loss of Coolant Accident (LOCA) scenarios. The present BFN LOCA analysis is conservative with respect to the current plants actual equipment availability. The reduced number of available ECCS subsystems had previously been analyzed and is consistent with the current LOCA analysis. The Unit 3 modifications are not required to eliminate the potential for
U.S. Nuclear Regulatory Commission Page 2 September 27, 2005 overloading any units shutdown board or diesel generator. They may be performed at TVAs discretion for fidelity between the three units.
TVA had originally planned to implement the Unit 3 modifications during the Unit 3, Cycle 12 refueling outage (March 2006). TVA now plans to implement these modifications during the subsequent refueling outage. Therefore, TVA requests that Amendment 248 to BFN Unit 3 License DPR-68 be re-issued to reflect implementation during the Unit 3, Cycle 13 refueling outage. TVA requests this re-issuance by December 30, 2005 in order to support planning for the upcoming outage.
TVA has determined that the additional information provided does not affect the no significant hazards considerations associated with the proposed amendment and TS changes. The proposed amendment and TS changes still qualify for a categorical exclusion from environmental review pursuant to the provisions of 10 CFR 51.22(c)(9).
If you have any questions about this submittal, please contact me at (256) 729-2636. I declare under penalty of perjury that the foregoing is true and correct. Executed on September 27, 2005.
Sincerely, Original signed by:
William D. Crouch Manager of Licensing and Industry Affairs
References:
- 1.
TVA letter to NRC, dated April 11, 2003, Browns Ferry Nuclear Plant (BFN) - Units 1, 2 and 3 - License Amendments and Technical Specification Changes - Revision in the Number of Emergency Core Cooling Systems Required in Response to a Loss of Coolant Accident (TS-424).
- 2.
NRC letter to TVA, dated April 1, 2004, Browns Ferry Nuclear Plant, Units 1, 2 and 3 - Issuance of Amendment Regarding the Emergency Core Cooling Systems (TAC Nos.
MB8423, MB8424 and MB8425) (TS-424).
U.S. Nuclear Regulatory Commission Page 3 September 27, 2005 cc: State Health Officer Alabama Dept. of Public Health RSA Tower - Administration Suite 1552 P.O. Box 303017 Montgomery, AL 36130-3017 U.S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303-3415 Mr. Stephen J. Cahill, Branch Chief U.S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303-8931 NRC Senior Resident Inspector Browns Ferry Nuclear Plant 10833 Shaw Road Athens, AL 35611-6970 Margaret Chernoff, Project Manager U.S. Nuclear Regulatory Commission (MS 08G9)
One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 Eva A. Brown, Project Manager U.S. Nuclear Regulatory Commission (MS 08G9)
One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739
U.S. Nuclear Regulatory Commission Page 2 September 27, 2005 SMK:BAB cc: B. M. Aukland, POB 2C-BFN A. S. Bhatnagar, LP 6A-C J. C. Fornicola, LP 6A-C D. F. Helms, BR 4T-C R. F. Marks, PAB 1C-BFN R. G. Jones, NAB 1A-BFN B. J. OGrady, PAB 1E-BFN J. R. Rupert, NAB 1A-BFN K. W. Singer, LP 6A-C E. J. Vigluicci, ET 11A-K NSRB Support, LP 5M-C EDMS WT CA - K s:lic/submit/TechSpec/TS 424 Sup