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LER 98-S03-00:on 981207,security Officer Discovered Uncontrolled Safeguards Info Drawing.Caused by Failure to Follow Established Procedures & Policies.Drawing Was Controlled by Site Security.With
	ML20206P150
Person / Time
Site:	Oconee
Issue date:	01/05/1999
From:	King T, Mccollum W; DUKE POWER CO.
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	LER-98-S03, LER-98-S3, NUDOCS 9901080059
	Download: ML20206P150 (12)
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.U.S. Nuclear Regulatory Commission Document Control Desk l Washington, D.C. 20555

Subject:

Oconee Nuclear Station Docket Nos. 50-269, -270, -287 Licensee Event Report 269/1998-S03, Revision 0 Problem Investigation Process No.: 4-098-5843 l

Gentlemen:

Pursuant to 10 CFR 73.71 Sections (b) (1) and (d) and Appendix G (I) (b) , attached is Licensee Event Report 269/1998-S03, concerning an uncontrolled safeguards drawing by a licensee employee.

This report is being submitted in accordance with 10 CFR 73.71 appendix G (I) (b). This event is considered to be of no significance with respect to the health and safety of the public.

! Very truly yours,

/

W. R..McCollum, r.

Attachment #

9901000059 990105

PDR ADOCK 05000269 s pDR g

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Document Control Desk Date: December 31, 1998 Page 2 l cca Mr. Luis A. Reyes-Administrator, Region II f

U.S. Nuclear Regulatory Commission l

61 Forsyth Street, S. W., Suite 23T85 l Atlanta, GA 30303 l

Mr. D. E. LaBarge U.S. Nuclear. Regulatory Commission Office of Nuclear Reactor Regulation l

Washington, D.C. 20555 1

INPO Records Center 700 Galleria Parkway, NW Atlanta, GA 30339-5957 Mr. M. A. Scott NRC Resident Inspector- )

Oconee Nuclear Station 1

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NRC FOf9A 30ti U $ NUCLEAR REGULATORY COMMISSON APPROVED OMO NO.3150 0104 (4-95) EXPtRES 04/30S8 ESilMATED BURDEN PER RESPONSE TO COMPLY WITH THIS INFORMATON COLLECTON REQUEST 50 0 HRS FORWARD COMMENTS REGARDING BURDEN ESTIMATE TO THE INFORMATON LICENSEE EVENT REPORT (LER) OGUYT0RY CEE'N w'ENGT7N oC,n%1 To'@

e 'a THE PAPERWORK REDUCTON PROJECT (31504104), OFFICE OF MANAGEMENT AND BUDGET WASHINGTON DC 20503 FACILITY NAME (1) ooCKE T NUMBER (2) PAGE (3) ]

Oconee Nuclear Station, Unit 1 05000269 t of 10 TITLE (4 Frilure ,o Follow Procedures Results In Uncontrolled Safeguards information Drawing EVENT DATE (5) LER NUMBER ' 6) REPORT DATE (7) OTHER FACILITIES INVOLVED (8)

WONTH DAY VIAR YEAR + 8E R WNTM DAY YEAR PACluTY NAME DOCKET NUMBER (S) a Unit 2 05000270 12 07 98 1998 S-03 0 01 05 99 Unit 3 05000287

. OPERATING N THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR (Check one Ormore of fne following)(11)

MOOE(9) 20 402(b) 20 405(c) 50 73(a)(2)(av) x 73 71(b)

POWER 20 405(a)(1)(1) 50.36(c)(1) 50.73(a)(2)(v) 73.71(c)

! LEVEL (10) N/A 20 405(a)(1)(ii) 50 36(c)(2) 50 73(a)(2)(vn) OTHER (Specifyin t

20.405(a)(1)(id) 50.73(a)(2)(i) 50 73(a)(2)(vni)(A) Abstract below and Ri :#1 ,M +

20 405(a)(1)(iv) 50.73(a)(2)(in) 50.73(a)(2)(vm)(8) #17 ext, NRC Fomt j d4 'W 20 405(a)(1)(v) 50 73(a)(2)(iii) 50 73(aW2)(e) 366A) i UCENSEE CON TACT FOR THIS LER (12)

NAME Terry W. King, Security Manager AREA CODE (gg ) 885-3019 COMPLETE ONE UNE FOR EACH COMPONENT FAILURE DESCRIBED IN THIS REPORT (13)

, CAUSE SYSTEM COMPONENT MANUFACTURE REPORTABLE CAUSE SYSTEM COMPONENT MANUFACTURER REPORTABLE -

l R TO NPROS TO NPRDS I l

SUPPLEMENTAL REPORT EXPECTED (14) EXPECTED MONTH DAY YEAR YES (f yes, complete EXPECTED SUBMISSION OA TE)

X ll NO SUBMISSION DATE (15)

AiSTRACT (Um<t to 1400 spaces, te. approximately fifteen singhe-space typewntten tsnes)(16) l On 12/07/98 at approximately 1515 hours0.0175 days 0.421 hours 0.0025 weeks 5.764575e-4 months , with Units 1 & 2 at 99% power and l Unit 3 at 0% power, a security officer discovered an uncontrolled " Safeguards Information" drawing in the Unit #3 Cable Room immediately adjacent to Security Termination Box "TB-4". The security officer took possession of the drawing and notified the Security Shift Supervisor. The uncontrolled

" Safeguards Information" drawing was associated with an ongoing station modification to install a new plant security computer system. Use of the drawing was required to transition the tamper alarm for Security Termination Box "TB-4" to the plant security computer (PSC). This work was completed on 12/06/98 at 1104 hours0.0128 days 0.307 hours 0.00183 weeks 4.20072e-4 months . Investigation established that the drawing was used at Termination Box "TB-4" and documented as returned to the designated

" Safeguards Information" storage container on 12/05/98 at 1712 hours0.0198 days 0.476 hours 0.00283 weeks 6.51416e-4 months .

However, the investigation could not conclusively establish the circumstances l

which resulted in the drawing being found uncontrolled in the Unit #3 Cable l Room. The root cause of this event is " inappropriate action" (failure to L follow established procedures and policies for control of Safeguards

Information). Corrective actions for this event include: prohibiting two employees involved in the event from being allowed independent and unrestricted access to " Safeguards Information"; and implementing a more restrictive access policy for accessing " Safeguards Information" storage l containers.

NRC FORM 366

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U S NUCLLAH REGUUaiORY COMMISSIONt APPHOVED OMt) NO J1%O104 l

, EXPtRES G30/98 LICENSEE EVENT REPORT (LER) '*/$l^u'!T?O!"f*"EC ONE u"Elioo's"RfF7/O"5*COuuENT TEXT CONTINUATION "" ^^'"'""'"'5" * ' ' " ' " " " " ^ " "'c " 8 '

MANAGEMENT BRANCH (MNB8 7714), U S NUCLEAR NEGULATORY

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. COMMISSION. WASHINGTON. DC 20565@01 AND TO THE PAPERWORK '

REDUCTION PROJECT 01540104), OF FICE OF MANA,*JMENT ANO ,

BUDGET WASHINGTON OC 20503 l f%ClWTY NAME (1) DOCKET NUMBER (2) LE R NUMBER (6) PAGE (3) j Y'^* "

50-269 6'ffy',"y ",'"22ER u

Oconee Nuclear Station, Unit 1998 S-03 0 2 OF 10 EVALUATION: I l

Backcround l

Installation of the new plant security computer has required that drawings l classified as " Safeguards Information" be used in the field by craft personnel to perform various installation activities.

Craft implementation personnel who are designated to have independent and unrestricted access to " Safeguards Information" are trained as a Safeguards

" Routine User" in accordance with section 206.6.2.1 of Duke Power Nuclear ;

System Directive (NSD) 206, " Safeguards and Information Control". Craft ;

implementation personnel who are not trained as a Safeguards " Routine User" may, in accordance with section 206.6.2.2 of NSD 206, view or work with Safeguards Information under the direction of a Safeguards " Routine User".

To facilitate field work associated with the installation of the new plant security computer, craft personnel were provided with a designated safeguards storage container within the Engineering Safeguards Work Area; a location within the site protected area. Unrestricted access to this container is limited to craft personnel designated as a Safeguards " Routine User", the lead Oconee Security Computer Replacement Project Modification Engineer and the Oconee Site Safeguards Administrator. Controls associated with the safeguards storage container include the use of a container open/ closed log, document sign in/out log, and double verification that the container has been properly locked when the need for access no longer exists. When not locked in the designated storage container, as required by section 206.7.1 of NSD 206, " Safeguards Information" must be under the control of an authorized person; a Safeguards " Routine User".

The uncontrolled " Safeguards Information" drawing was discovered in the Unit #3 Cable Room, immediately adjacent to Security Termination Box "TB-4". The Unit #3 Cable Room is a vital area that is provided with alarmed i security controlled access doors.

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. EXPIRES 4/20G8 8' " " " " " " "" ""

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I F ACILIIY NAME (1) DOCKET NUMBER (2) LER NtA ABER (6) PAGE (3) l

! 50-269 ^" " ""^' "''** '

NUM8ER NUMBER Oconee Nuclear Station, Unit ~1998 S-03 0 3 OF 10 '

The uncontrolled " Safeguards Information" drawing depicted the "as built" wiring schematics and power device information for Security Termination +

Boxes #1, #2, #3 and #4. The drawing did not depict four (4) engineering l c%nges associated with the tamper alarm for each termination box that were ;

made as part of the plant security computer modification. The wiring and power supplies depicted on the uncontrolled drawing are located within ;

signal supervised and alarmed cabinets with access controlled by Oconee l Site Security. l As required by section 206.7.11 of NSD 206, " Safeguards and Information l Control", the loss or compromise of " Safeguards Information" shall be j reported to the site safeguards Administrator or, if unavailable, Site ;

Security. Training given to Safeguards " Routine Users" states that, "If l documents are lost, misplaced or otherwise compromised, immediately contact i the Security shift Supervisor."

Another event involving Safeguards Information (SGI) occurred on March 3, 1998 when a safeguards container in the engineering safeguards work area was not properly locked and secured (Ref. PIP 4-0-98-1025).

D2scription of Event The information provided below is a synopsis of events associated with the uncontrolled " Safeguards Information" drawing 798-08-E '"As Built" as determined by the licensee investigation and reflects statements obtained from the individuals involved.

Employee #1: Craft Employee - Safeguards " Routine Urer".

Employee #2: Craft Employee - Safeguards "Non-Routine User".

Employee #3: Craft Employee - Safeguards " Routine User".

l Employee #4: Craft Employee - Safeguards "Non-Routine User".

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Employee #5: Craft Employee - Lead Technician - Safeguards " Routine User".

i Employee #6: Oconee Security Officer

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EXPfRES TJ0r98

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Oconee Nuclear Station, Unit 1998 y S-03 0 4 OF 10 Employee #7: Oconee Security Computer Project Lead Modification Engineer. ,

Employee #8: Oconee' Security Computer Project Craft Supervisor.

(All are licensee employees) i 12/05/98 At 1032 hours0.0119 days 0.287 hours 0.00171 weeks 3.92676e-4 months , " Safeguards Information" drawing 798-08-E "As l Built" was documented as being removed from the Craft Safeguards Container by Employee #1, a Safeguards " Routine User". 'The drawing was utilized for installation work at j Security Termination Box "TB-4" by Employee #1 and Employee j

2, a Safeguards "Hpqn-Routine User" assigned to assist j Employee #1.

4 f .l 12/05/98 At 1712 hours0.0198 days 0.476 hours 0.00283 weeks 6.51416e-4 months , " Safeguards Information" drawing 798-08-E "As Built" was documented as being returned to the Craft i Safeguards Container by Employee #1. Employee #2 was present when the drawing was returned and confirmed that the drawing was properly filed. <

t l 12/06/98 At 0845 hours0.00978 days 0.235 hours 0.0014 weeks 3.215225e-4 months , Employee #3, a Safeguards " Routine User" and Employee #4, a Safeguards "Non-Routine User" assigned to assist Employee #3, determined that six (6) drawings were needed to perform work at Security Termination Box "TB-4".

!' Employee #3 or Employee #4 listed each of the six (6) drawings on the Craft Safeguards Container Document Log, one of which I was " Safeguards Information" 798-08-E "As Built". Employee #3 then indicated the date/ time and signed the "Out" section of the log indicating removal of the " Safeguards Information" i drawings from the Craft Safeguards Container.

1 Statements given by Employee #3 and #4 indicate that

" Safeguards Information" drawing 798-08-E "As Built" was not located in the designated file location within the Craft

- Safeguards Container. Employee #4 then drew a single straight line through the "Out" section of the Container Document Log for drawing 798-08-E "As Built" to indicate this drawing had S

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" SE TO COM Y HS LICENSEE EVENT REPORT (LER) 'S/d"R&'&*N N s'LEC* "'" "'Sf "Eo r . COMMENTS TEXT CONTINUATl 8 REGARDtNG BURDEN ESTIMA1E TO THE 24FORMATON AND RECORDS MANAGEMENT BRANCH (MNB8 7714). U S NUCLEAR REGULATORY COMMISSION. WASHINGTON DC 20555-0001. AND TO THE PAPERWORK REDUCTON PROJECT Q1500104). OFFICE OF MANAGEMENT AND BUDGET WASHINGTON DC 20503 FACILITY NAME (1) DOCKET NUMBER (2) LER NUMBER (6) PAGE (3) 50-269 " S'jueNyt g aggoN9 Oconee Nuclear Station, Unit 1998 S-03 0 5 OF 10 l 1

not been signed out. This drawing was listed in the TN for reference use, but was not required to complete their assigned I work.

1 Employee #3 and Employee #4 did not make notification to other individuals or site Security that " Safeguards Information" )

drawing 798-08-E "As Built" could not be located. l Additionally, no attempt was made to locate the potentially I missing " Safeguards Information" drawing.

12/06/98 At 1022 hours0.0118 days 0.284 hours 0.00169 weeks 3.88871e-4 months , Employee #5, a Safeguards " Routine User" assigned as lead technician for on-going craft modification J work, entered the Unit #3 Cable Room and, subsequently, joined j Employees #3 and #4 at Security Termination Box "TB-4".

12/06/98 At 1104 hours0.0128 days 0.307 hours 0.00183 weeks 4.20072e-4 months , final testing of the tamper alarm for Security Termination Box "TB-4" was completed and the device was ;

accepted by Security as operable in the plant security l computer (PSC).

12/06/98 At 1110 hours0.0128 days 0.308 hours 0.00184 weeks 4.22355e-4 months , Employees #3, #4 and #5 exited the Unit #3 ;

Cable Room. At this time, " Safeguards Information" drawing !

798-08-E "As Built" is not required for any other work in i progress.

12/06/98 At approximately 1130 hours0.0131 days 0.314 hours 0.00187 weeks 4.29965e-4 months , Employee #3 informed Employee #5 l that " Safeguards Information" drawing 798-08-E "As Built" had i not been located in the Craft Safeguards Container at 0845 l hours on 12/06/98. Employee #5 did not make notification to i other individuals or Site Security that " Safeguards i l' Information" drawing 798-08-E "As Built" could not be located. l Additionally, no attempt was made to locate the potentially missing " Safeguards Information" drawing.

Employee #3 transferred the " Safeguards Information" drawings in his possession to Employee #1 and requested that he (Employee #1) return the drawings to the Craft Safeguards Container at the end of the work day.

T HMU FSHM JtAA U $ NUGLt4J4 HtbutAIONY LOMMabbsONt445; OPHOVLD OMO NO 3150 4104 EXPtRES 4/30/96 LICENSEE EVENT REPORT (LER) 'S&u'##E"/c'"fae" u

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50-269 6%"r'n" *EeYa" w

Oconee Nuclear Station, Unit 1998 S-03 0 6 OF 10 12/06/98 At approximately 1130 hours0.0131 days 0.314 hours 0.00187 weeks 4.29965e-4 months , Employees #1, #2, #3, #4 were l given their afternoon work assignment by Employee #5. )

Subsequently, Employees #1, #2, #3 and #4 met to develop a l plan for the work activities to be performed for the remainder J of the work shift.

l 12/06/98 At approximately 1200 hours0.0139 days 0.333 hours 0.00198 weeks 4.566e-4 months , Employee #3 and Employee #4 went to the Engineering Safeguards Work Area. The Container Access Log indicates that between 1215 and 1230 hours0.0142 days 0.342 hours 0.00203 weeks 4.68015e-4 months Employee #3 l accessed the Craft Safeguards Container. Employee #3 stated this entry was to obtain " Safeguards Information" drawings l required to perform work activities for the remainder of the shift. However, as indicated by the Container Document Log, no drawings were removed from the container. .

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During this time period Employee #3 stated that he found the l missing " Safeguards Information" drawing, 798-08-E "As Built" l improperly filed in another drawing folder within the Craft i Safeguards Container. Employee #3 stated he then entered the date/ time and signed the "In" column of the Container Document Log; the "out" column for this line on the Container Document Log was previously completed and lined through when

" Safeguards Information" drawing 798-08-E "As Built" could not be located on 12/06/98 at 0845 hours0.00978 days 0.235 hours 0.0014 weeks 3.215225e-4 months . l l

Employee #3 did not notify Employee #4 or any other individual that " Safeguards Information" drawing 798-08-E "As Built",

previously thought to be lost, had been located; prior to this time Employee #4 and Employee #5 had been made aware that the drawing was missing.

l l At 1230 hours0.0142 days 0.342 hours 0.00203 weeks 4.68015e-4 months , as indicated by the Container Access Log, employee #4 provided a double verification that the Craft Safeguards Container was secured.

J 12/07/98 At approximately 1515 hours0.0175 days 0.421 hours 0.0025 weeks 5.764575e-4 months , a Security Officer (Employee #6) l was passing through the Unit #3 Cable room and observed the l

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TEXT CONTINUATlO REGARDING BU90EN ESflMATE TO THE INFORMATiON AND RECORDS MANAGEMENT BRANCH (MN88 771st U S NUCLEAR REGULATORY

.a COMMIS$10N WASHINGTON DC 20555400t AND TO THE PAPERWORK

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REDUCTION PROJECT (3150 0104L OFFICE OF MANAGEMENT AND BUDGFT WASH!NGTON DC 20503 FACluTY NAME. (1) DOCKET NUMBER (2) LER NUMBER (6) PAGE (3) 50-269 ^*

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Oconee Nuclear Station, Unit 1998 S-03 0 7 OF 10 l

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" Safeguards Information" drawing 798-08-E "As Built". At the time of discovery, the drawing was folded and laying flat on the floor immediately adjacent to Security Termination Box !

"TB-4". The Security Officer took possession of the drawing, reviewed the immediate area for additional uncontrolled !

drawings and notified the Security Shift Supervisor.

l Conclusion !

The licensee investigation into this event could not conclusively determine j how drawing 798-08-E "As Built" came to be found by Security in the Unit #3 J Cable Room on 12/06/98 at 1515 hours0.0175 days 0.421 hours 0.0025 weeks 5.764575e-4 months . However, contrary to the employee's statements, the most plausible explanation is that the drawing was inadvertently.left in the Unit #3 Cable Room by Employee #3 after work was ;

completed on Security Termination Box "TB-4" on 12/06/98 at 1110 hours0.0128 days 0.308 hours 0.00184 weeks 4.22355e-4 months . l This assumption is supported by: 1

1. The licensee determination that " Safeguards Information" drawing 798-08-E "As Built" was properly returned to the Craft Safeguards Container i on 12/05/98 at 1712 hours0.0198 days 0.476 hours 0.00283 weeks 6.51416e-4 months .

I 2.

Numerous inconsistencies that were identified during separate interviews with Employee #3 concerning the disposition of " Safeguards Information" drawing 798-08-E "As Built" on 12/06/98 between 0845 and l 1230 hours0.0142 days 0.342 hours 0.00203 weeks 4.68015e-4 months .

In the absence of-an absolute determination of how " Safeguards Information" drawing 798-08-E "As Built" came to be located in the Unit #3 Cable Room, the most probable root cause of this event is the inappropriate action of Employee #3 by failing to follow established policies and procedures to properly maintain control of the " Safeguards Information" drawing.

I CORRECTIVE ACTION Immediate:

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~ NHC f DHM JbbA U 6 NUCLEAR LEGULAIONY COMMl5blONt4{6) APPROVEQ OMB No 31bO-0104 EXPIRES dt30t98

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LlcENSEE EVENT REPORT (LER) /O ,l'1J,fs'tECTONREO IN #T'l0sRN""JRs8 COMMEN1S TEXT CON l'aNU=A=g 1

7BN p RE AR IN BUR EN ESTIMATE T THE INFORMATION AND RECORDS

'

MANAGEMENT BRANCH (MNB8 7714L U S NUCLEAR HEGULATORY

.= COMMISSION WASHINGTON. DC 20555 0001. AND TO THE PAPERWORK REDUCTION PROJECT (3150-0104), OFFICE OF MANAGEMENT AND BUDGET WASHINGTON OC 20503 f ACl8JTY NAME (1) DOCKE T NUMBER (2) LER NUMBER (6) PAGE (3)

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50-269 6*g,"fl^' k,'gg" Oconee Nuclear Station, Unit 1998 S-03 0 8 OF 10

1. The " Safeguards Information" drawing was controlled by Oconee Site Security upon discovery.

2. A " Heightened Awareness" was issued to the Oconee Site Security Force for unannounced alarms on field devices associated with the potentially compromised " Safeguards Information" drawing 798-08-E "As Built". This

" Heightened Awareness" was continued throughout the investigation of this incident and was discontinued on 12/21/98.

3. An inventory of the Craf t Storage Container was conducted in which it was verified by craft personnel that no other " Safeguards Information" drawings were missing.

4. The lock to the Craf t safeguards container was changed by the Site Safeguards Administrator and the new lock combination provided to Employee #7, the lead Oconee Security Computer Replacement Project Modification Engineer, and Employee #8, the craft Security Computer Replacement Project Implementation Supervisor.

Subseauent:

1. On 12/08/98, an individual was trained and designated as the point of contact for issuing and retrieving " Safeguards Information" documents from the Craft Safeguards Container. Designated points of contact will continue to be utilized for issuance of " Safeguards Information" documents from the Craft safeguards Container until the plant security computer modification is completed and/or use of the Craft Safeguards Container is no longer required for the storage of " Safeguards Information" documents.

2. On ' 12 /16 / 9 8, based upon information obtained during the course of the

licensee investigation, the Safeguards " Routine User" status for l

Employees #3 and Employee #5 was revoked by the Oconee Site Safeguards Administrator for failure to comply with Duke Power Nuclear System Directive 206, " Safeguards Information and Control", requirements.

Specifically, when " Safeguards Information" drawing 798-08-E "As Built"

was identified as being missing, Employee #3 and #5 (trained as

~ug ~~M ~ u . NUCa-wo --.- - uno - ~o -

EXPlRES 4/30118

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LICENSEE EVENT REPORT (LER) /ORd'T#$'L#T,S'REOUE N l OCsR"Tf4"lR$$ COMMEuT, I

l gg gg g REGARDWO SURDEN ESTNATE TO THE INFORMATION AND RECOROG MANAGEMENT BRANCH (MNB8 7714). U 5 NUCLEAR REGULATORY

! COMMISSION WASHINGTON DC 20655 0001. AND TO THE PAPERWORK j REDUCTION PROJECT (31504104L OFFICE OF MANAGEMENT AND BUDGET WASHINGTON DC 20503 F ACluT( NAME (1) DOCKET NUMBER (2) LER NUMBER (6) PAGE (3)

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50-269 "ju',"l,"

M ",M,T Oconee Nuclear Station, Unit 1998 S-03 0 9 OF 10 Safeguards " Routine Users") did not take action to notify Site Security and did not take action to locate the drawing as required by section 206.7.11 of NSD 206.

3. On 12/21/98, the Safeguards " Routine User" status for all craft personnel involved in installation of the plant security computer (PSC) was j rescinded. Prior to being reauthorized independent and unrestricted access to " Safeguards Information", these individuals were retrr: ed as a Safeguards " Routine User". l

4. On 12/28/98, the Oconee Nuclear Site " Security and Engineering Safeguards Workplace Procedure" was revised to require that: l "When a safeguards container is provided for use by craft personnel j during security system projects / modifications, overall control of !

the containers shall be maintained by Security. A limited number of individuals shall be designated as being responsible for the j issuance and retrieval of ' Safeguards Information' documents within i I

the containers. Once each month, at a minimum, Security shall inventory Craft Safeguards Containers to verify that assigned

' Safeguards Information' documents are within the container or properly controlled by a Safeguards ' Routine User'".

j Planned i

1. For the remaining duration that the Craft Safeguards Container is

. utilized for storage of " Safeguards Information" documents, Security will conduct a monthly inventory of the container as identified in

" Subsequent" corrective action item #4 above.

2. Corrective (disciplinary) action will be taken with the involved l employees.

SAFETY ANALYSIS:

There is no safety significance associated with this event. Security l computer transaction records indicate that during the period of time when the drawing was apparently uncontrolled only members of the modification

' NMG leORM 4tW2A U S NUGLEAR HtOULAIORY GOMM15 SON (4%) APPHWLD OMt$ NO 31b04104 EXPlRES 4/30r98 ESTIMATED BURDEN PER RESPONSE TO COMPLY WITH THl3 LICENSEE EVENT REPORT (LER) INFORMATION COLLECTON Rf.OUEST. 500 HRS FORWARD COMMENTS TEXT CONTINUATlON REGARDING BURDEN ESTIMATE TO THE INFORMATON AND RECORDS MANAGEMENT BRANCH (MNBS 7714). U $ NUCLEAR REGULATORY COMMISSION WASHINGTON. DC 20555 000). AND TO THE PAPEHWORK REDUCTION PROJECT (31500104). OFFICE OF MANAGEMENT ANO BUDGET WASHINGTON DC 20503 f Aclu rY NAME (1) DOCKET NUMBER (2) LER NUMISER (6) PAGE (3)

Y'^a se utNnAt 50-269 NUMBE R newsoN NUMBFR Oconee Nuclear Station, Unit 1998 S-03 0 10 OF 10 crews, security, and plant operations personnel entered the Unit 3 Cable Room. Also the wiring and power supplies depicted on the uncontrolled and potentially compromised " Safeguards Information" drawing 798-08-E "As Built" are located within signal supervised and alarmed cabinets with access controlled by site Security. Therefore, the potential compromise of

" Safeguards Information" drawing 798-08-E "As Built" would not provide an individual with undetected access into protected or vital areas of the Oconee Nuclear Site.

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ML20206P150

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