ML20093N986
| ML20093N986 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/01/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | Adensam E Office of Nuclear Reactor Regulation |
| References | |
| TVA-SQN-TS-57, NUDOCS 8411060080 | |
| Download: ML20093N986 (3) | |
Text
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. TENNESSEE VALLEY AUTHORITY NTANOOGA, TENNESSEE 374otChestnut Street Tower II November 1, 1984 TVA-SQN-TS-57 Director. of Nuclear Reactor Regulation Attention:
Ms. E. Adensam, Chief Licensing Branch No. 4 Division of Licensing U.S. Nuclear; Regulatory Commission Washington, D.C.
20555
Dear Ms. Adensam:
In the Matter of
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Decket Nos. 50-327 Tennessee Valley Authority
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50 -32 8 In.a telephone conversation with Peter Kang of the NRC on October 26, 1984, additional information was mquested to support the NRC's myiew of a proposed technical specification change for the Sequoyah Nuclear Plant units 1 and 2.
Enclosed is supplemental information to the August 20, 1984 submittal to you from me to mspond to that request.
If you have any questions concerning this matter, please get in touch with Jeray Wills at FTS 858-2683 Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills,' Manager Nuclear Licensing Sworn g subscri before me this day of n
1984 Notary Public p
My Commission Expiresa -
r Enclosure oc: See page 2 0
8411060000 941101 i',3 PDR ADOCK 05000327 p
PDR An Equal Opportunity Employer
-f.
2 Director of Nuclear Reactor Regulation -
November 1,1984 cc:
U.S. Nuclear Regulatory Commission (Enclosure)
Region II Attn:
Mr. James P. O'Reilly Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. Michael H. Mobley, Director (Enclosure)
Division of Radiological Health T.E.R.R.A. Building 150 9th Avenue North Nashville, Tennessee 37203 s
ENCLOSURE NRC REQUEST FOR ADDITIONAL INFORMATION TVA-SQN-TS-57 SEQUOYAH NUCLEAR PLANT NRC Question Please verify that the capacity of the fifth vital battery is equal to that presently installed.
TVA Response The 125v de fifth vital battery's two-hour discharge rate (to 1.81v de per cell) at 600F is 663 amps.
NRC Question Is the cable separation criteria being used for the fifth vital battery the same as that used for the present design.
TVA Response The 125v de fifth vital battery system will meet the separation requirements (electrical and physical) ideatified in Section 8.31.4 of the SQN FSAR.
NRC Question Please clarify what is meant by Class 1L.
TVA Response A definition of Class 1L is provided in Section 3.2.2.6 of the SQN FSAR.
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