05000346/LER-1980-039-03, /03X-1:on 800423,weekly Test of Offsite Ac Sources Not Performed by Required Date.Caused by Oversight of Shift Supervisor.Addl Reminders Will Be Given by Section Personnel

/03X-1:on 800423,weekly Test of Offsite Ac Sources Not Performed by Required Date.Caused by Oversight of Shift Supervisor.Addl Reminders Will Be Given by Section Personnel

ML20009D833
Person / Time
Site:	Davis Besse
Issue date:	07/13/1981
From:	Kocis R TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20009D829	List:
References
LER-80-039-03X, LER-80-39-3X, NUDOCS 8107240395
Download: ML20009D833 (2)

LER-1980-039, /03X-1:on 800423,weekly Test of Offsite Ac Sources Not Performed by Required Date.Caused by Oversight of Shift Supervisor.Addl Reminders Will Be Given by Section Personnel

Event date:
Report date:
3461980039R03 - NRC Website

text

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8 60 Of CCCKET NUYSER 68 69 EVENT DATE 74 76 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h I o 12 l l (NP-33-80-48) On April 23, 1980 at 0440 hours0.00509 days <br />0.122 hours <br />7.275132e-4 weeks <br />1.6742e-4 months <br />, the Technical Specification 3.8.1.2 l

AC Sources Lined U;. and l

l o l a l i surveillance requirement late date passed for the Of f-Site

o;4; l Available Weekly Test, ST 5080.01. There was no danger to the health and safety of I

o;3; ; the public or to station personnel. The test was successfully performed at 1030 hours0.0119 days <br />0.286 hours <br />0.0017 weeks <br />3.91915e-4 months <br /> l l

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33 34 35 J6 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i l 0 l l The cause was an oversight by the Shif t Supervisor. The test did show up on the com- ]

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DAVIS-BESSE NUCLEAR POL;ER STATION UNIT ONE SUPPLEMENTAL INFORMATION FOR LER NP-33-80-48 DATE OF EVENT: April 23, 1980 FACILITY: Davis-9 esse Unit 1 1

IDENTIFICATIp 0F OCCURRENCE: Off-Site AC Sources Lined Up and Available Weekly

, Test, ST 50>J.01, was not performed within surveillance requiremenc frequency Conditions Prior to Occurrence: The unit was in Mode 6, with Power (MRT) = 0 and Load (Gross MRE) = 0.

Description of Occurrence: During a review of the surveillance test schedule on

. April.23, 1980, the Shift Supervisor discovered that ST 5080.01, Off-Site AC Sources Lined Upand Available Weekly Test, had gone past its surveillance require-ment late date of April 23,.1980 at 0440 hours0.00509 days <br />0.122 hours <br />7.275132e-4 weeks <br />1.6742e-4 months <br />.

This is being reported to document the failure to meet a surveillance requirement of Technical Specification 3.8.1.2 which requires, in Modes 5 and 6, an off-site AC-source to be determined operable at least once per seven days by verifying correct

~ breaker' alignment and indicated power availability.

l 1

ST 5080.01 was completed at 1030 hours0.0119 days <br />0.286 hours <br />0.0017 weeks <br />3.91915e-4 months <br /> the same day and was late by only five hours and fifty minutes.

Des'ignation of Apparent Cause of Occurrence: The cause of this occurrence was opera-

. tor error since ST 5080.01 was overlooked on the surveillance test schedule. Given the workload and activity level created by the refueling outage, a procedural defi-ciency was evident since administrative controls were not sufficient to assist the Shif t Supervisor.by identifying pending late surveillasce tests.

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

'cr to station personnel. Jba emergency diesel generator was available to supply safety related. equipment in the event of a total loss of off-site power.

Surveillance Test ST, 5080.01 was completed without any discrepancies.

Corrective' Action: There is no evidence that the Shift Supervisor has difficulty in maintaining the surveillance test schedule when normal shift work loads exist. There-

? fore, to preclude the consequences of an ina.ccurate schedule review during periods of

' increased work activity, administrative controls which will inform the Shift Supervi-sor of surveillance tests approaching their late date have been implemented.

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- Failure Data:

Surveillance Test ST 5080,01.has previously been missed due to a per-sonnel error as reported in Licensee Evsnt Reports NP-33-80-37 (80-031) and 1NP-33-77-84.-

e LER #80-039

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