ML20010D027

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RO 81-16:on 810618,containment Pressurization Rose to 0.5 Psig During Normal Operation.Caused by Svc & Instrument Air Usage in Containment.Radiological Consequences Will Be Evaluated
ML20010D027
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 08/14/1981
From: Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
RO-81-16, NUDOCS 8108210388
Download: ML20010D027 (1)


Text

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1-000A69D226 08/14/81 TLX CPCO PACN JKN CGRA y

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REGION III, OFFICE OF INSPECTION R ENFORCEMENT 799 ROOSEVELT PO O

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NOTIFICATION aF REPORTABLE OCCULDENCE (LER 81-16) REPORTABLE UNDER O

TetwNICit SPECIFICAT oN 8.9.2Ac9).

FOLLOWING REVIEW OF CON.

g TAINMENT PPESSUGIZATr0N 09 JUNE 18, 1981 TO 5 PSIG DURING NOPHAL POWER OPERATION aITH THE CONTAINMENT VENTILATION ISOLATION VALVES O

CLOSED, THE SOURCE OF PRESSURIZATION WAS OFTEDMINED TO BE SERVICE (ND INSTRUMENT AIR USAGE IN CONTAINHENT. THE PRESSURE BUILD-UP OC UPRED DVER A THPFE-DAY PFRIOD. BASFD ON PDESENT PROCEDLRES AND Q

DOCKETED ANALYSIS IN CHAPTER 13 0F THE FHSR, THIS PRESSURIZATION SOURCE HAS NOT P P E V I 0l'S L Y BEEN CONSIDERED.

O ALTHOUGH SUCH PRESSUQIZATION FOLLOWING A RADIOLOGICAL EVENT MAY NOT g

HE SIGNIFICANT FOR MANY DAYS OR WEEKS FOLLOWING CONTAINMENT ISOLATION, WE INTEND TO EVALUATE 'HE RADIOLOGICAL CONSEQUENCES OF SUCH AN EVENT O

TO DETERMINE IF CORRECTIVE uEASURES ARE NEEDED.

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THIS CONrIRMS : TELEPwoNE REPORT TO DUANF ROYD OF NRC Q O

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