ML20044D525

LER 93-006-00:on 930415,two Operators Entered Posted Area W/O Radiation Monitoring Device & Entered Locked High Radiation Area & Left Barrier Open.Caused by Personnel Error in Judgement.Operators counseled.W/930514 Ltr

ML20044D525
Person / Time
Site:	Beaver Valley
Issue date:	05/14/1993
From:	Freeland L DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LER-93-006-01, LER-93-6-1, ND3MNO:3452, NUDOCS 9305190259
Download: ML20044D525 (8)

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Telephone t412) 393-6000

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Ship;nngport. PA 15077-0004 I

l May 14,1993 ,

i ND3MNO:3452 j i

i Beaver Valley Power Station, Unit No.1 '

Docket No. 50-334, Licensee No. DPR-66 j LER 93-006-00 i

United States Nuclear Regulatory Commission  :

Document Control Desk l Washington, DC 20555  ;

Gentlemen:

In accordance with Appendix A, Beaver Valley Technit.al Specifications, the f following Licensee Event Report is submitted: l l

LER 93-006-00,10 CFR 50.73.a.2.i.B, " Violations of Required Administrative j Controls for High Radiation Areas."

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L! R. Freeland General Manager Nuclear Operations DJM/sl Attachment

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180C43 9305190259 930514

' /;)7' 1 PDR ADOCK 05000334 b s PM

I May 14,1993 ND3MNO:3452 ,

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ec: Mr. T. T. Martin, Regional Adm:nistrator ,

United States Nuclear Regulatory Commission Region 1 i 475 Allendale Road King of Prussia, PA 19406 Mr. G. E. Edison, BVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington, DC 20555 Larry Rossbach, Nuclear Regulatory Commission, BVPS Senior Resident Inspector J. A. Holtz, Ohio Edison 76 S. Main Street Akron, OH 44308 Larry Beck ,

Centerior Energy 6200 Oak Tree Blvd.

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Independence, OH 44101-4661 INPO Records Center 700 Galleria Parkway Atlanta, GA 30339-5957 Mr. Robert Barkanic Department of Environmental Resources l P.O. Box 2063 16th Floor, Fulton Building i Harrisburg, PA 17120 l

l Director, Safety Evaluation & Control Virginia Electric & Power Co.

P.O. Box 26Cla6 One James River Plaza Richmond, VA 23261 W. Hartley Virginia Power Company 5000 Dominion Blvd.

2SW Glenn Allcn, VA 23060  ;

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l May 14,1993 ND3MNO:3452 '

Page 3 L M. Riddle Halliburton NUS Foster Plaza 7 661 Anderson Drive i Pittsburgh, PA 15220 Bill Wegner, Consultant ,

23 Woodlawn Terrace Fredricksburg, VA 22405 t

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f trtLITY Nf ML (y DOCidl NUMBER p) PAGE p) r Beaver Valley Power Station Unit 1 05000 334 ,

1 OF 04 TITLE t4l Violations of Required Administrative Controls for High Radiation Areas

! EVENT DATE (5) l LER NUMBER (61 REPORT NUMBER (7) OTHER F ACILITIES INVOLVED (8)

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MODE (9) 0 20 402[b) 20 405(c) 50.73(a)(2)(iv) 73 71(b)

POWER 20 405(a41)ti) 50.36tc)(1) 50.73(aH2nv) 73.71(c)

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LICENSEE CONTACT FOR THIS LER (12) hlPHONE NUMBEh onduce Area Gonel yn:;L TL Freeland, General Manager Nuclear Operations 4 1 2 643-1258 '

COMPLETE ONE LINE FOR EACH COMPONENT FAILURE DESCRIBED IN THIS REPORT (13)

RE E CAUM 9.CEV COM*ONEC VANJFACTVGER CAUbi SYSTEM COMPONE W U ANUF ACTJRE R A NF XXXX XXXX N A NH XXXX XXXX N f

I SUPPLEMENTAL REPORT EXPECTED (14) EXPECTED MDCH D

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ABSTRACT (L:m t to 1430 spaces. i e., approximately 15 sangre-spaced typewritten Ones) (16)

On April 15, 1993, with Unit one in Mode Six to support the ninth refueling outage, two events occurred involving inadequate attention '

to technical specification requirements for high radiation areas

(>100 millirem per hour). In the first event, two operators entered a posted high radiation area without a radiation monitoring device which provides a continuous indication of the radiation dose rate in the area (a meter) as required by technical specification 6.12.1.a. In the second event, two operators entered a locked high radiation area, to perform valving, and left the barrier door open, violating technical specification 6.12.2. Each of the above events is a condition prohibited by technical specifications, and is reportable in accordance with 10CFR50.73.a.2.i.B. These events are recognized as violations of technical specifications and station radiological practices. Due to the specific circumstances, the radiological consequences were not significant. In the first event, the operators who entered the high radiation area without meters did not enter any other high radiation areas during their shift and neither operator received a dose in excess of 10 millirem during the course of work. In the second event, no unauthorized personnel gained access to high radiation area while the locked barrier door was open.

• NT4CF04M MS (5 92)

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Descriotion of Events:

On April 15, 1993, two events occurred involving inadequate attention to the technical specification requirements for high '

radiation areas (> 100 millirem per hour).

In the first event, at approximately 0145 hours0.00168 days <br />0.0403 hours <br />2.397487e-4 weeks <br />5.51725e-5 months <br />, two operators were clearance tagging a sample valve in penetrations area "A."

The area is posted as a high radiation area and is subject to ,

the requirements of technical specification 6.12.1. This >

specification requires individuals entering a high radiation area to be equipped with a radiation monitoring device which  !

provides a continuous indication of the radiation dose rate in the area (a dose rate meter) . Operations personnel are trained i and qualified to utilize dose rate meters without health physics <

support. The operators entered the area and placed the clearance tags without having in their possession the required -

dose rate meter. A Health Physics Quality Assessor entered the "A" penetrations area and discovered the operators performing i the clearance tagging without a dose rate meter in their

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possession.

r In the second event, at 1210 hours0.014 days <br />0.336 hours <br />0.002 weeks <br />4.60405e-4 months <br />, two operators were performing clearance work in Reactor Coolant Pump "C" cubicle.

They entered the cubicle and left the locked barrier door open while they performed their ' work. The open barrier door was discovered by health physics personnel who, upon seeing the open l door, entered the cubicle and observed the two operators working l in an area out of the direct line of sight of the barrier door. ,

l No other personnel were in the cubicle.

Cause of The Event The first event was caused by the operators being inattentive to the technical specification requirements for entering a high radiation area. They were focused on the work at hand and did not give proper attention to administrative requirements requiring the use of dose rate meters. The second event was caused by an error in judgement on the part of the operators involved. The operators incorrectly determined that they could adequataly control access from their work location within the cubicle. Due to the piping and shielding arrangement in the cubicle, they were unable to maintain adequate visual contact with the high radiation area access point once they reached the work location in the cubicle.

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Corrective Actions

, Immediate: The operators involved in the events were counseled and disciplined.

Long Term:

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Meter qualification privileges for all operations personnel at Unit 1 were revoked. Reinstatement required their review and understanding of technical specification 6.12, and the events of this report.

This event was also reviewed by the Unit 2 operations personnel that are trained and k qualified to utilize dose rate meters.

Previous Similar Events A review of station documents revealed two previous similar events:

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1) Unit 1 LER 92-006 documented an event in which the East Valve duringTrench a routine Area barrier door radiation barrier was discovered to be open check. This event was caused by a failure to properly verify that the door was locked upon exit from the area.

2) Unit 1 LER 89-014 documented an event in which the East Valve Trench Area barrier door was found open due to a faulty locking mechanism.

Reportability The two events described in this report each resulted in a condition prohibited by technical specification 6.12. As such, they are being reported in accordance with 10CFR50.73.a.2.1.B.

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j Nsveta NousEn 05000 o4 OF g4 Beaver Valley Power Station Unit 1 334 93 - 006- 00 l rta w v. n.:. a nu.1.a. .mr. eew mu c, xs o n Safety Implications l These events are recognized as violations of technical l specifications and station radiological practices. In these  ;

i specific events, no negative radiological consequences l resulted. The operators who entered penetrations area "A" without meters did not di..er the high radiation portion of the area, nor any other high radiation areas during their shift, and the total dose to each individual was less than 10 milliroentgen for their entire shift. In the second event no unauthorized personnel gained access to the reactor coolant pump cubicle  ;

while the barrier door was open.  ;

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