ML20151K082
| ML20151K082 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 07/25/1997 |
| From: | Abney T TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9708050331 | |
| Download: ML20151K082 (3) | |
Text
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s Tennessee Valley Authority Post office Box 2000. Decatur, Alabama 35609-2000 July 25, 1997 U.S. Nuclear Regulatory Commission 10 CFR 50.46 ATTN:
Document Control Desk Washington, D.C. 20555 Gentlemen:
In the Matter of
)
Docket Nos. 50-259 Tennessee Valley Authority
)
50-260 50-296
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BROWNS FERRY NUCLEAR PLANT (BFN) - EMERGENCY CORE COCLING SYSTEM (ECCS) EVALUATION MODEL CHANGES - ANNUAL REPORT The purpose of this letter is to report in accordance with 10 CFR 50.4 6 (a) (3) (ii), the impact of changes or errors in the methodology used to demonstrate compliance with ECCS requirements of 10 CFR 50.46.
This report covers the period of the last report issued by General Electric (GE) on June 28, 1996 (Reference 1), to June 27, 1997, (Reference 2).
4 Currently Unit 2 is in cycle 9 operation and Unit 3 is in cycle 8 operation.
The LOCA analysis methodology being utilized by BFN for these units is based on the GE SAFER /GESTR model.
There have been no changes or errors identified for the SAFER /GESTR model used to analyze the LOCA for BFN Units 2 and 3 during this reporting period.
There are no commitments introduced in this letter.
If you have any quentions regarding this matter please contact me at 1
(205) 729-26:.6.
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July 25, 1997
References:
l 1.
Letter from General Electric to NRC Dated June 28, 1996,
" Reporting of Changes and Errors in ECCS Evaluation."
2.
Letter from General Electric to NRC Dated June 27, 1997,
" Reporting of Changes and Errors in ECCS Evaluation."
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4 U. S. Nuclear Commission Page 3 July 25, h'9 7 i
cc:
Mr. Mark S. Lesser, Branch Chief U.S. Nuclear Regulatory Commission Region II-61-Forsyth Street, S. W.
Suite 23T85 Atlanta, Georgia 30303 NRC Resident Inspector Browns Ferry Nuclear Plant 10833 Shaw Road Athens, Alabama 35611 Mr. J.
F. Williams, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 I
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