RBG-36-275, Responds to NRC 911220 Request for Addl Info Re Util Initial Response to Violations Noted in Insp Rept 50-458/91-26. Hydrogen Sys Mixing Test Will Be Performed During Fourth Refueling Outage Scheduled to Begin in Mar 1992

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Responds to NRC 911220 Request for Addl Info Re Util Initial Response to Violations Noted in Insp Rept 50-458/91-26. Hydrogen Sys Mixing Test Will Be Performed During Fourth Refueling Outage Scheduled to Begin in Mar 1992
ML20091L721
Person / Time
Site: River Bend Entergy icon.png
Issue date: 01/20/1992
From: Odell W
GULF STATES UTILITIES CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RBG-36-275, NUDOCS 9201280195
Download: ML20091L721 (2)


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.g u January 20, 1992 RBG- 3 6, 27 5 File No. G9.5, G15.4.1 ii

'3 U.S. Nuclear Regulatory Commission Document Control Desk Washingtoti, D.C. 20555 {

'- Gertlemen:

t River Bend Station - Unit 1 Deck 1Ro _50 458/91-26 Gulf States U'tilities Company provided its response te the Notice of Violation contained in Inspection Report 50-45S/91-26 in a letter dated December 20,1991.

Mr. Phil Hac. ell, of NRC's Regior. LV, requested additional information concerning our initial response. The following information is provided as requested.

GSU will-perform the hydrogen trixing system test, witich is referred to in Attachment I to' our ini'ial response letter, during the fourth refueling outage schedule to begin in March,1992. This test will be performed on an 18 month basis as part of the emergency core cooling teo GSU also confirms that we will revise documentation to clearly describe the hydry'en igniter system function as

. redundant to the combustible gas control system fundon during a LOCA. This commitment was initially made by GSU during the enforement conference held October 23, 1991, and was documented in the NRC's k*ter to GSU dated November 26,1991. GSU will include this information in the lext revision to the Updated Safety ' alysis Report (USAR) scheduled for sub.nittal prior to August 29,1992.

If you have any additional questions please comact David Lorfing at f504) 381-4157.

Sincerely, f

i O '" n f 4 , .H. Odell 9201280195 920120 Manager - Oversight PDR ADOCK 05000458 .

G PDR River Bend Nuclear Group M

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cc: NRC Resident Inspector P.0, Box 1051 St. Francisville, LA 70775 U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011 m.__ __ --- ._-.__.mm- _____________-__-_______________-_-_.m_ mm-_____ __--