05000346/LER-1981-028-03, /03L-0:on 810505,log Review Showed That Liquid Release Had Been Made While Radiation Monitors Re 1878A & B Were Inoperable Due to Testing Date Being Exceeded.Caused by Personnel Error.Personnel Will Be Counseled

/03L-0:on 810505,log Review Showed That Liquid Release Had Been Made While Radiation Monitors Re 1878A & B Were Inoperable Due to Testing Date Being Exceeded.Caused by Personnel Error.Personnel Will Be Counseled

ML20004D615
Person / Time
Site:	Davis Besse
Issue date:	06/04/1981
From:	Kocis R, Stotz J TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20004D608	List: 05000346/LER-1981-028, Forwards LER 81-028/03L-0 05000346/LER-1981-028-03, /03L-0:on 810505,log Review Showed That Liquid Release Had Been Made While Radiation Monitors Re 1878A & B Were Inoperable Due to Testing Date Being Exceeded.Caused by Personnel Error.Personnel Will Be Counseled
References
LER-81-028-03L, LER-81-28-3L, NUDOCS 8106090582
Download: ML20004D615 (2)

LER-1981-028, /03L-0:on 810505,log Review Showed That Liquid Release Had Been Made While Radiation Monitors Re 1878A & B Were Inoperable Due to Testing Date Being Exceeded.Caused by Personnel Error.Personnel Will Be Counseled

Event date:
Report date:
3461981028R03 - NRC Website

text

U. S. NUCLE AR REGULATORY COMMISSION hPC FORM 36G (7-??)

LICENSEE EVENT REPORT p CONTROL DLOCK: l l

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8 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h I (NP-33-81-36) On 5/ 5/81 it was confirmed by reviewing the Unit Log and the surveillancp la12l j test computer schedule that a liquid release had been made from the Miscellaneous l

,,,,3, g g g., l Waste Monitor Tank while the Radwaste Monitors RE1878A.and RE1878B were inoperable Release 706 was made on 5/1/81 but the test l

l g7-] ; to their testing date being exceeded.

l c le 1 l late date was 4/28/81. There was no danger to the poblic or station personnel.

l the monitors had, in fact, been operable]

g l When the test was performed, it verified that l

l o 181 i and that no release limits had been exceeded.

80 COMP.

VALVE SYSTEM

CAUSE

CAUSE CODE CODE SUBCODE COUPONENT CODE SUSCODE SUSCOOE l Ml Cl@

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40 41 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l"gO ] l The cause was personnel error on tite part of the Shif t Supervisor who permitted the l

that the monthly functional test had exceeded its I g l release without remaining cognizant l late date.

Therefore, the monitor was technically inoperable. A memo will be written l g l to the appropriate supervisory personnel reinforcing their responsibility to review l

g l the test schedule and ensure the equipment 5 properly tested.

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8 9 ST S

% POWER OTHER STATUS ISCO RY DISCOVERY DESCRIPTION 11 l5 l W@ l 0 l 9 l 9 lhl NA l

l Al@l Unit Log Review l

ACTIVITY CONTENT LOCATION OF RELE ASE AMOUNT OF ACTIVITY l

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8 9 to 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE

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[110_] LN hl NA 8106090 % O t MW an Mot 2 PHONE: (419) 259-5000, Ext. 2s DG S1-071 NAME Of-PHEPARER

TOLCD0' EDISON COMPANY DAVIS-BESSE NUCLEAR POWER STATION UNIT ONE.

SUPPLEMENTAL INFORMATION FOR LER NP-33-81-36 DATE OF EVENT: May 5, 1981 FACILITY: Davis-Besse Unit 1.

Liquid release made while radiation monitors RE1878A IDENTIFICATION OF OCCURRENCE:

dd tnd RE1878B were inoperable due to their testing date being excee e The unit was in Mode 1 with Power (MWT) - 2750 Conditions Prior to Occurrencer End Load (Gross MWE) = 915 On May 5, 1981, it was confirmed by reviewing the Unit computer schedule that a liquid release had been made Description of Occurrence:

Log and the surveillance testfrom the Fuscellaneous Waste Monitor Tank while the Misce The Monthly Functional Test RE1878A and RE1878B were technically inoperable.

ST 5032.01 late date passed at 0455 hours0.00527 days <br />0.126 hours <br />7.523148e-4 weeks <br />1.731275e-4 months <br /> on April 28, 1981. Environmental Technical Specification 2.4.2.d states that if these monitors are inoperable for a period ex-d ceeding 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, no release from a radioactive liquid waste tank shall be made an

.The release was started at 0405 hours0.00469 days <br />0.113 hours <br />6.696429e-4 weeks <br />1.541025e-4 months <br /> any releas'e in progress shall be terminated.

This finding is being on May 1, 1981 and was completed at 0610 hours0.00706 days <br />0.169 hours <br />0.00101 weeks <br />2.32105e-4 months <br /> the same day.

reported under Environmental Technical Specification 5.4.2 for exceeding a limiting 3

condition for operation.

The cause is a personnel error on the Designation of Apparent Cause of Occurrence:

part of the Shif t Supervisor who permitted the release without remaining cognizant which.is performed by operations personnel, had that the monthly functional test,Therefore, the monitor was technically inoperable.

The test exceeded its late date.

was shown on the operations section of the schedule as overdue, i

1 i

There was no danger to the health and safety of the public Analysis of Occurrence:

laten the calibration test and functional test was performed-or to station personnel.

in fact, operable during later on May 1, 1981, it verified that the monitor had been, the release. No release Ibnits had been exceeded.

A memo will be written' to the appropriate. supervisory personnel

Corrective Action

reinforcing their responsibility of reviewing the Surveillance Test Schedule and see-Tests not being performed on ing that tests are performed within the deadline.

Administrative controls schedule will render the equipment technically inoperable.

will also be modified to establish better controls of Technical Specification re-i quired radiation monitor surveillance testing.

i I

There have been no previous reports of releases being made with Failure Data:

inoperable monitors in excess of Environmental Technical Soecification limits.

l LER #81-028 t