ML20214E541

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Submits Rev to Re Design Details of Presently Installed Spds.Original Color Monitors,Qualified W/Ieee Std 323-1974,unsatisfactory.Replacement Monitors Will Not Be So Qualified But Will Meet Requirements of NUREG-0737,Suppl 1
ML20214E541
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 05/12/1987
From: Gucwa L
GEORGIA POWER CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
RTR-NUREG-0737, RTR-NUREG-737 SL-2504, NUDOCS 8705220133
Download: ML20214E541 (2)


Text

Georgia Power Company 333 Piedmont Avenut v -

  • Atent2, Georgia 30308 Telephons 404 5264526 Mailing Address:

Fbst Office Box 4545 '

Atlanta, Georgia 30302 Georgia Power L T. Gucwa the southern electic sy%<n Manager Nuclear Safety' and Licensing SL-2504 1369C X7GJ17-H210 May 12, 1987 i

U.S. Nuclear Regulatory Commission  !

, ATTN: Document Control Desk Hashington, D.C. 20555.

PLANT HATCH - UNITS 1, 2 NRC DOCKETS 50-321, 50-366' OPERATING LICENSES DPR-57, NPF-5 SAFETY PARAMETER DISPLAY SYSTEM (SPDS)

Gentlemen:

Georgia Power Company's - April 15, 1983, letter to the NRC provided design details of the SPDS presently installed at Plant Hatch. This letter provides a revision to the details contained in that report.

The color monitors described in our letter were originally qualified in accordance with IEEE 323-1974, even though Section 4.1.c-'of NUREG-0737, Supplement 1, states: "SPDS need not be. seismically

( qualified, and additional seismically qualified indication is not required for the sole purpose of being a backup for SPDS."'

Our experience with the installed monitors has been unsatisfactory.

Therefore, we will be replacing them with more readily available commercial _ grade equipment.- This equipment will not be qualified in accordance with IEEE 323-1974. However, the SPDS will = continue to meet

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the requirements- specifled -in. Section 4.i.c of NUREG-0737, Supplement 1, as noted above.

If you have any questions regarding this matter,' please contact this office at any time.

g Sincerely,'

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'B705220133 870512 gh PDR ADOCK 0500032D PDR g

(.. T. Gucwa g JDH/lc O

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(See next page.)- .) %

(GeorgiaPowerb U. S.: Nuclear Regulatory Commission -

May-12, 1987 Page Two-c: Georaia Power Comoany-

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LMr. J. P.:0'Reilly-Mr. J..T. Beckham, Jr. .

GO-NORMS'-

'U.S. Nuclear-Reaulatory Commission. Washinaton-Mr. L. P. Crocker, Licensing Project Manager - Hatch' t

U.S. Nuclear Reaulatory Commission. Reaion II Dr. J. N. Grace, Regional ' Administrator-Mr. P. Holmes-Ray, Senior' Resident Inspector' - Hatch I

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b I 1369C-700775

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