05000000/LER-1986-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted

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Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted
ML20238E927
Person / Time
Site: Millstone, 05000000
Issue date: 12/16/1986
From: Scace S, Weekley P
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20238E403 List:
References
FOIA-87-410 LER-86-030-01, LER-86-30-1, MP-9841, NUDOCS 8709150295
Download: ML20238E927 (3)
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LER-2086-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted
Event date:
Report date:
0002086030R00 - NRC Website
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text

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  • LICENSEE EVENT REPORT (LER)

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M111stme Nuclear Pcuer Station thit 1 111( i 448 01510101012l415 1 l0FI 012 Potential l'rdetected Access to the Protected Area tyrast Daf t (Si Lim eruweta est l atPoni CAf f 4 71 OTME m f ACILIYtt5 INv0LvtD 181 MONTH DAv vtAm ytAm QQh -

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Millstone thit 2 o ,5, o g o , o , 3, 3, 6 8 6 lg6 8g 6 Millstone Unit 3 1l2 1l1 8l6 0l 3l 0 0l 0 1l2 o isto 3 0 io n 't 2, 3 o,,,,,,,,, n.is at>oni is ave-it,Eo supsuANT vo vsi nEoUietuiNr o C,a i <cw. ., ., -., ., r, ,.u. ,i nu 6 "I N 4020s) M 4064s) to 7)wH2Havl 73 71m5 h M 405teH1 Hip S0 364sH1) no, n .On.in He u, wi.H2 90 73teH2Hel 1 73.7tlal i i _ _

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M 405 tn H1 He.) to 7 SwH2HN) to 72teH2Hv6stHBi 29 4081mHille) 90 73WH2ilHH to.736eH26 sal LICEN$t t CONT Act som Tus Lia (121 gAut TELEPMONE NVuttm Amt A C008 Patricia L. Weckley, Security Supervisor 2,0,3 4,4,4 p ,4 g3 ,2 ,9 COMPL ETE ONE LINE P08 B Ach COMPONENT F AILutet otatmisto IN TMrs stoomt usi CAVSt

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y p 1 1 1 I I I i 1 i 1 i i I f i 1 1 I I I l  ! I I i l ! l SUPPLEMENT AL stPQm? i APECTED tje) NOMTM DAY vtAR sueu ss,oN Yt t IN rav, sw.uMr.e ikPIC7EO Svehits$ TON 04 til ea0 l l l

. .uf R iC, io , . n .ac -., . . . .-, ., ,* ,-. u ,, ,, ,,, ,,~., n e i At approximately 0945 hours0.0109 days <br />0.263 hours <br />0.00156 weeks <br />3.595725e-4 months <br /> on 12/11/86 an unauthorized opening into the  ;

protected area was discovere , * -e roximately 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br /> Tuesday 12/8/86 wh -

left r opening of approximately 576 square inches at the bottom of a j Thir nin eads into a trench that extends from the j The length of the trench is a roximate y twenty (20 eet. e trench is covered with

, The openin f the trench is approx ma ve (12) fee Th l

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i The Ma ntenance Department covered the openin as then remove .

i 8709150295 870910 PDR FOIA

, WILLIAMB7-410 PDR

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., V $ NUCLE AR RIOULATORY COMMISS604 LICENSEE EVENT REPORT (LER) TEXT CONTINUATION Anemovio owe =0 lim oio.

EXPimLS L'31tO

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Millstone Nuclear Power Staticri 9 '" " UC * ' -

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l Identification of Occurrence At 0945 hours0.0109 days <br />0.263 hours <br />0.00156 weeks <br />3.595725e-4 months <br /> on 12/11/86 an unauthorized opening in the protected crea was scovered. It was determined that this opening was made on 12/8/86 when th j .

  • as removed fo: servicing.

Effect of Events The potential for undetected access to the protected area existed during the period of time the opening was without compensatory measures.

Description of Compensatory Measures Designation of Apparent Cause j

Th was not proper 1v identified as an area for sceurity concern.

Signs requirin ere not in ploce.

Corrective Actions Si ns have pen sted similar s gn w e posted on the cover of the machine. Additiona y a notation will be made in the database of the .ated work em that indicates security support is needed when working on A review of other openings i s being conducted. These vill also be posted and where applicable notat ons will be made in the database of the automated work order system.

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NORTHEAST UTILITIES l )Vl ' cenerei o".ca seicen street. Berna. connect cut l . n,, , u . .s . .<o w. . c - .

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  1. w w o..v.u v.. cm H ART F ORD. CONNECTICUT 06141-0270 (203) 665-5000 L J .- 4 w % . .  %. w*.~.

December 16, 1986 o

MP-9841

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i Docket No. 50-245 Docket No. 50-336 Docket No. 50-423 Mr. Richard W. Starostecki, Director Division of Project and Resident Programs NRC Region i U.6. Nt clear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Starostecki:

This letter forwards a report o# a security related event pursuant to the requirements of 10CFR part 73, pararraph 73.71(c).

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY

/9

/ St

/

phen T. /.' cacec.2 Station Superintendent Millstone Nuclear Power Station SES/PLW:mo

Attachment:

Report of Security Event 86-030-00 1

cc: Director of Inspection and Enforcement U.S. Nuclear Regulatory j Concission, Washington, D.C. 20555 i

M  !

W! 1 1

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