ML19341A265

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LER 81-001/04T-0:on 801019,max Daily Chlorination Time Limit Exceeded by 30 Minutes.Caused by Personnel Error. Instructions Posted at Chlorination Control Panel,Procedure Clarified & Individual Reinstructed
ML19341A265
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 01/12/1981
From: Cooney M
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19341A263 List:
References
LER-81-001-04T, LER-81-1-4T, NUDOCS 8101220496
Download: ML19341A265 (1)


Text

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  • 2II Bpic 2 LICENSEE EVENT REPORT ReporC No. 2-81-01/hT 0W e CONTROL BLOCK: l l l l l l (PLEASE Pa!NT 03 TYPE ALL REQUIRED INFORMATION) lS l 214l@tt 0l 0l 10UCENSE l 0lNUMSER 0l 0lOl-l0l 260l@ 4l1l1l1lI!@l l@

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S 30 $1 NUM95R 68 s /ENT DATE 74 EVENT DESCRIPTION AND PROeA8LE CONSEQUENCES h OI2l l Iharing routine chlorination of the Unit 2 and 3 circulating systems on I o i3i l October 19, 1980,' the marimum daily chlorination time limit of two hours l 4 l o I .: ! l as specified by environmental Tech Spec 2.2.1 was exceeded by 30 I oisl l minutes. This was discovered on January 2, 1981 during review of a report l t o is l l containing the chlorinatica data. Review of chlorine residuals recorded l

o I7l l during the event disclosed '. hat there *.,as no significant increase l 1o Ia i l in chlorine residuals dis.
barged fzom the circulating water system. I 7 s9 **

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_ SEQUENTIAL OCCURRENCE REPORT HEVISION LER EVENT YEAR REPORT NO. CoOE TYPE NO.

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CAUSE oESCRIPTION AND CORNECTIVE ACTIONS 27 .

liioll Excess chlorination time was due to personnel error. Although the I

'Iiiil I chlorination procedure specifies ==v4== total allowable chlorination l l 12 I l time, each condenser waterbox section was chlorinated 10 minutes more l lilal l than normal. Instructions have been nosted at chlorination control l Iii4i i panel, trocedure is being clarified, and individual was reinstructed. l 7 8 9 80 SYA  % power OTHER STATUS Das O Y OlsCOVERY DESCRIPTION i I L I [E,,J@ l 1l Ol 0l@l Unit 3 - 8h% l lBl@l Report Review l A TtVITY CO TENT KELEASED OF RELEASE AMCUNT oP ACTIVITY LOCATION OF RELEASE l la"I LZ_] @ 'LZJOl N/A l l N/A l PERsONuE1 ExPosuAEs NUM8ER TYPE DESCRIPTION i l 7* l'l 010101@l Z I@l N/A l

.E. O~NEl'.~,u'4 Es NUMSER DESCRIPTION lir is el t 1010 l 01@l12 N/A l 9 18 80 L OPOiOAMAG TO PACILITY i i 1 >8 I S, l Z l@l N/A l 7 10 / 16 ISSUE j 12 I 8o9 f LN @DE l CRIPTION N/A .v [.

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M./J. Cooney / ..(215) 841-5020 0

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