ML20038B748

LER 81-033/01P-0:on 811125,work Crew Opened Reactor Bldg Roof Hatch W/O Notifying Shift Supervisor.Caused by Personnel Failure to Follow Procedures.Personnel to Be Reinstructed

ML20038B748
Person / Time
Site:	Vermont Yankee
Issue date:	11/27/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038B742	List: ML20038B741 ML20038B748
References
LER-81-033-01P, LER-81-33-1P, NUDOCS 8112090071
Download: ML20038B748 (1)

Text

NRC FORM 366 U. S. NUCLEAR REGULATC".Y COMMISSION LICENSEE EVENT REPORT LER 81-33/lP CONTROL BLOCK: l l } l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 lo l18 l9l V lLICENSEE

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T l VCODE l Y l S l 1lQO 14 G l O l -l LICENSE 0 l OlNUMBER010l 0l -l Ol 0l@l4 25 26 l1LICENSE l1 l1TYPE l 1JOl@l5 7 C lA T $8l@ l CON'T I0itI ,yu,"c l60L ]@l Ol 5 lDOCKET 0 l 0NUMBER l 0l 2l 7l 1@l ll 11EVENT 2l5CATEl 8 l1 l@l1 l 1 lREPORT 2 l 7DATE l 8 l 180l@

i 8 61 68 69 74 75 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10121 l During preparations for a routine startup, plant and contractor personnel were as- l l O 13 l l signed to weld a strongback to the reactor building roof luitch. Failing to follow l l0l4I Ithe plant equipment control procedure, the work crew opened the hatch without notify-4 iOisl Iing the Shift Supervisor. During the period in which the roof hatch was open, l 1 O 16 I l secondary coneninment uns not reanired. This event does. however. reoresent a ner- l l 0 l 7 l ! cnnnol errnr which emuld hnvo nrovonrod rho cocnndnry contninmont from fulfilling I 10!81l ire funcefnn en enno virh necidonec nnnivvod in rho UR Al? (T.R_ 6_7_E_1_fi '

7 9 9 80 SYSTEM CAUSE CAUSE COMP- VA LV E CODE CODE SUSCODE COMPONENT CODE SU8C00E SU8 CODE l0l91 7 8 lZlZlh 9 to 11 h l Clh [X l Xl Xl Xl Xl Xlh l Zlh l Zlh 12 13 18 19 20 SEQUENTI AL OCCURRENCE REPORT REVISION

_EVENTYEAR REPORT NO. CODE TYPE NO.

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18 l1 l 21 22 l-l 23 10l3l3l 24 26 l/l 27 l0l1l 28 29 lPl 30 l-l 31 l0 l 32 TAK N AC ON O PI NT ME HOURS S8 I FOR h 8. SUP8 LIE ' MA UFAC RER W@lZ l@ W@

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CAUSE DESCRIPTION AND COGRECTIVE ACTIONS h l l O g lThis event was caued by personnel error. All applicable personnel will be made l li ;i l l aware of this event and will be reinstructed on the requirement to notify the Shif t [

g l Supervisor prior to performing any work activity that has the potential of changing l

[,l3l l plant conditions. l u,,1,,j l I 7 8 9 80

! SA S  % :-OWER OTHER STATUS 015 RY DISCOVERY DESCRIPTION NA Observation by STA l II is l l C l@ l0 i0 l0 l@l l l A [@l ACTIVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE I1 16 l [Z,,,) h dh! NA l l 45 NA 80 l

7 8 9 10 11 44 PERSCNNEL EXPOSURES & ,

NUMBER TYPE DESCRIPTION NA l' l 1 l 7 l l 0 l 0 l 0 l@W@l *

,ERSONNA',munc ; '

NUMBER DESCRIPTION NA l li l 4 8l 9l 0 l 0 l 0 l@l12 7 11 80 LOSS OF OR DAMACE TO FACILITY i TYPE DESCRIPTION 18 l 8o 9l W@lto NA l 7 80 DESCRIPTf 0N 12lal ISSUE @l NA  ! lII!!l111liIlI 8 9 to 58 64 80 ~.

8112090071 811127 Warren P. Murphy PHONE. (802) 237-7711 2 o

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