ML20038A002
| ML20038A002 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 11/09/1977 |
| From: | Bixel D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| RO-77-44, NUDOCS 8109100181 | |
| Download: ML20038A002 (3) | |
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DCCC 50-155 - LICI...,I DI"4 DIG RC0K PCI'C 71NC - LER: E0-77 u Attached is a License Event Report fer the Big Ecek Feint Plant (RO-77 M).
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, s David A 31xel
'iuclear Licensing hi.-inistrster CO: DCavis, UE'*RC
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l UCENSEE EVENT REFORT 314 Fce icint CC*aTAC' SLCCK:l l l I I l l
[PLEASE PeWT ALL REQUul&D mFC51 MAT 1N)
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@ Ig about 1920 hours0.0222 days <br />0.533 hours <br />0.00317 weeks <br />7.3056e-4 months <br />, durin: =anual valving operations to line up the reactor cooling j 7 89 co l vater system for oever operation, water from tha reaeter cooling system bac4 flowed in-]
oc ou lto the olant heating syste= external to containment causing a water hac=er in the 6]eo 7 as
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7 89 3 11 12 17 43 44 47 de cAuSE CESCNrTICN Q lCse of the oroner procedure would have prevented the incident in this instance; hcv-l 7 51 9 60
$ l ever, a syster review inddeates thar,3entair ent is breached t.henever the systen is l P
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@ jused. Sin e the heating syste:e is n. ginal in its ef f ectivensss (Contd on attached s;qeet) 7 83 e
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@ l Caroleted valve lineup for :over oeeration and/or sonitoring capabilities would pre-l 7 3 9 caude large zcontrollec releases.
,g er:S C;t DAMAGE TO FAC:UTY ti 's esscmptcm
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] l (Ive se ::escri; tion - Centd) supply valve was closed te =inating the incident.
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reduce radicactive contamination.
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