05000361/LER-1994-001, Submits Voluntary LER 94-001 Re Actuation of Train a of Toxic Gas Isolation Sys.Event Not Reportable Due to Preplanned Requirements of TS

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Submits Voluntary LER 94-001 Re Actuation of Train a of Toxic Gas Isolation Sys.Event Not Reportable Due to Preplanned Requirements of TS
ML20064M022
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 03/14/1994
From: Kreiger R
SOUTHERN CALIFORNIA EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20064L996 List:
References
NUDOCS 9403280076
Download: ML20064M022 (1)


LER-2094-001, Submits Voluntary LER 94-001 Re Actuation of Train a of Toxic Gas Isolation Sys.Event Not Reportable Due to Preplanned Requirements of TS
Event date:
Report date:
3612094001R00 - NRC Website

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Southem Califomia Edison Company P O box 128 S AN CL E M E NT E. C ALWORNI A 92674 0128 "2 ,,*,"]f '," March 14, 1994 ,',' ','["[,,

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U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

Subject:

Docket Nos'. 50-361 and 50-362 voluntary Report Licensee Event Report No.94-001 San Onofre Nuclear Generating Station, Units 2 and 3 This submittal provides a voluntary Licensee Event Report (LER) for an occurrence involving manual actuation of Train A of the Toxic Gas Isolation System in accordance with Technical Specification 3.3.2 Action B. Since this occurrence involves a shared system between Units 2 and 3, a single report for Unit 2 is being submitted in accordance with NUREG-1022. Neither the health nor the safety of plant personnel or the public was affected by this occurrence.

Edison believes that this event is not reportable because the actuation: (1) was a preplanned requirement of the Technical Specifications, and (2) the system was not responding to a valid signal; rather, it was a precautionary action due to the inoperability of a fire damper. However, the reporting requirements for this occurrence are unclear. Edison is pursuing clarification of the reporting requirements through the current i review and comment process for the proposed Revision 1 to NUREG-1022, " Licensee Event Report System".

If you require any additional information, please so advise.

SJn,erely, c

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Enclosure:

LER No.94-001 cc: K. E. Perkins, Jr., Acting Regional Administrator, USNRC Region V J. Sloan, USNRC Senior Resident Inspector, Units 2 and 3 M. B. Fields, NRC Project Manager, San Onofre Units 2 & 3 Institute of Nuclear Power Operations (INPO) -

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