ML19209C848

LER 79-057/01T-0:on 791006,intake Structure Doors Found Logged Open.Caused by Failure of Security Personnel to Notify Shift Supervisor When Water Tight Doors Were Opened for Maint.Water Tight Door Opening Permit to Be Issued

ML19209C848
Person / Time
Site:	Calvert Cliffs
Issue date:	10/11/1979
From:	Davis S BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19209C844	List: ML19209C843 ML19209C848
References
LER-79-057-01T, LER-79-57-1T, NUDOCS 7910180373
Download: ML19209C848 (1)

Text

(7 773 ^ .* ' LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) o 1 MlD C l C l N l 1lgl5 0l 0l -l 0l 0j 0l 0l 0 0l0lgl4 l j l j 1l 1 gl 25 26 LICENSE TYPg JO l

$7 CAT 58 lg 7 8 9 LICENSEE CODE 14 1 LICENSE NUMBER CON'T o 1

"$ "e! I60l @ l 0 l5 l0 l0 l0 ;3 l1 l7 lg l lj 0; 0l 6l 7; 9jg j 1l 0l 1l lj 7l 9l @ 74 75 REPORT D ATE 80 7 8 61 DOCK ET NUMB E R 68 69 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES O10 0 2 During a routine trip recovery the reTctor was made critical at 1525. At  ;

g 3 ;1600 while the senior control room operator was reviewing the outside operator's  ;

o,, , log, he noticed that intake structure doors ISl and 152 were locged ocen at 1300 [

g,, (T.S.3.0.3 and 3.7.10) on his log. The doors were immediately shut and locked.  ;

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80 7 8 9 C C SLB E "^VDC,NEN CO** SLS CE SL ObE 9 l l l l l l l l l l l 7

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,,,, SEQUENTI AL OC;y n a E'.CE REPORT AEVISION EVENT YEAR REPORT NO. COOE TYPE No.

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O" as;q no 17191 21 22 1-1 23 Inlsl71 24 26 1/l 27 28 n , I 29 30 TI l-l 31 La_J 32 K N AC CN ON PLANT T wCURS 22 $8 FC 4 8. SL P*LI E MANUFACTUAER IXl@34G 33 l@ l35Z i@ l36Z l@ l0l0l0l0 37 40 l

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44 47 CAUSE ChSCRIPTION AND CORRECTIVE ACTIONS i

o lThis event was caused bv failure of securitv cersonnel tn nntih *ho Chie C mar- I i,, dsor of when they opened water tight doors 151 and 152 for maintenance access at j

, , i 0800. Corrective action will be to inclement a waterticht door opening permit for  ;

, 3 l doors controlled by security which must be acknowledced by the Senior Control Room  ;

, , ;0perator before the door is opened for ceriods o'.her than norral access.  ;

7 8 3 80 S  % PCWER ^ RY , O!SCOVERY OESCR'PTIGN t s l l@ l0l0l5lgl tidHER STATUS l DISCA l [gl Log Review l ACTIVITY CONTENT AMOUNT OF 4CTIVITY LOCATION CF AELE ASE 1 l6 a 3 b

AELF ^%D@OF AELENA ASE@

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• ERSONNEL EXPCSURE$

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NA Il7R ,/46 1 3E ASONNEL NA AtES C ESCRiP T:ON L,m M '9EA n i n in i@ .m 0e0Jy 0 ommmu i b

OSS OF OR D AGE TO F ACILITY Tv'E DESC AlpTICN I 9 Nk 7 s 3 ?O SO

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