ML20028A937

LER 82-042/03L-0:on 821009,plant Computer Automatically Shut Down Due to Accidental Initiation of Halon Fire Suppression Sys.Caused by Const Matl Being Bumped Hitting Fire Station Box Pull Handle.Matl Properly Stored

ML20028A937
Person / Time
Site:	Millstone
Issue date:	11/08/1982
From:	Stadnick S NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20028A932	List: ML20028A931 ML20028A937
References
LER-82-042-03L, LER-82-42-3L, NUDOCS 8211290229
Download: ML20028A937 (1)

Text

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. .f_ L LICENSEE EVENT REPORT l (PLEASE PRINT OR TYPE ALL REQUtRED INFoRMATioN)

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l l o l8 i9] ] C l T l M l N l S l 2 l@15 0l 0l -l 0 l 0 l 0 l 0 l 0 l-LICEt.5E 7 LaCENSEE CODE 14 L6 CENSE NUMBER 26 26 l0 l0TYPEl@JD 4l 57 CAT 1l 1l@l con'T

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$$aC l L l@l 0 l 5 l 0 l 0l 0 l 3 l 3 l 6 l@l 1 l 0 l n l9 l 8 l2 l@l 60 61 DOCKET NUMBER 68 69 EviNT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10 l 2 ] l During steady state operation t he plant computer automatically shutdown due to I

o ,3, - , accidental initiation of the Halon Fire Suppression System. Plant operiition continued ;

, ,g ; per TSAS 3.2.1.b and 3.1.3.3.d for a 1/2 hour period. The computer was restored to j

g,,j g service and the Computer Room Halon Fire Suppression System has been restored to manual ;

, g ,; operation. Similar events - None. g O 7 l l I

Io Ie i I CE CODE SUBC E COMPCNENT CODE SUSCODE S E O 9 l A l B l@ (_Aj@ [Ej @ l XI Xl X l X l X l X l@ [Z_J@ l_20Zj @

7 8 9 to 11 12 13 18 19 S E Obt.NTI AL OCCUR RE NCE REPORT REVISION EVENT YEAR REPORT F40. COOE TYPE NO.

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_ 21 22 23 24 26 27 28 AKEN A O ONPL NT ME HOURS 22 S B IT FOR B. SL PLI R MA UFAC URER

[jiJ@ $ @ l Zl@ LZ_J@ l 0 l0 l0 l0 l l41 Nl@ lNl@ lAl@ l A l6 l0 l5 ]@ 47 33 _ 34 35 36 37 40 42 43 44 CAUsE oESCRIPTION AND CORRECTIVE ACTIONS

-l l 0 l l The Fire Suppression System was activated when a piece of construction material was 1 i , i umped b and hit a fire station box pull handle. Construction personnel have been l

, ., gi nstructed to identify and coriect improperly stored material prior to starting work l g l and prior to movement of equipment through the plant. l i 4 1 l

7 8 9 90 S S  % POWE R OTHER STATUS IS O RY DISCOVERY DESCRIPTION

[_A_j@l Alarm i s @ l 1l 0l 0l@l NA l l ACTIVITY CO TENT RELE ASEO OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 7

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[_Zj@ J @l to 11 NA 44 l l 45 NA l 60 PERSONNEL E RPOSURES NUMB E R TYPE DE SCRIPTION i 7 l0l0l0l@ g @l NA l

' PERsONNEtiN;UR'iES NUMe E R oESCRiPTiON@

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'S PUsuciTY D ' 5C " '"' *g 8211290229 821108 DR ADOCK 05000 NRC USE ONLY g;ggggg,ygg;g

, , NA g g 7 8 9 to 68 69 50 5 NAME OF PREPARER Steve Stadnick , oNE. 447 1791 Ext- 4427

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