ML20214T165

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Requests Reportability of Listed Events Per 10CFR50.72 Re Safety Relief Valves Lifting & Reseating.Response Requested within 120 Days
ML20214T165
Person / Time
Site: LaSalle, 05000000
Issue date: 10/24/1984
From: Norelius C
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To: Jordan E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
Shared Package
ML20213E720 List:
References
FOIA-86-729 NUDOCS 8612080504
Download: ML20214T165 (1)


Text

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1 MEMORANDUM FOR: E. L. Jordan, Director, Division of Emergency Preparedness and Engineering Response, IE FROM: C. E. Norelius, Director, Division of Reactor Projects .

SUBJECT:

REQUESTFORIhTERPRETATIONOF10CFR50.72 REQUIREMENTS CONCERNING SAFETY RELIEF VALVES A question has arisen at LaSalle County Nuclear Power Station on the reportability of safety relief valves liftin'g and reseating and it appears to be a generic concern at Boiling Water Reactors. It is requested that you determine if the following two situations are reportable per ,10 CFR 50.72 and if so, under which criterion.

1. A safety relief valve that does not serve an Automatic Depressurization System (ADS) function lifts and resaats in the absence of a valid actuation signal. .
2. AnADSvalviliftsandreseatswithoutavalidEngineeredSafetyFeature (ESF) actuation signal.

We.would appreciate your response in 120 days. If you have any further questions on this matter, please contact C. D. Anderson (FTS 388-5689) or N. Chrissotimos (FTS 388-5716) of my staff. .

$.k . N C. E. Norelius, Director Division of Reactor Projects .

cc: R. L. Spessard, DRS e

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PDR FOIA REPKA96-729 PDR

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