05000317/LER-1980-065-03, /03L-0:on 801215,charging Pumps Found Running Contrary to Tech Spec Surveillance Requirement.Caused by Failure of Personnel to Perform Surveillance Requirements After Securing Shutdown Cooling Flow.Procedures Changed

/03L-0:on 801215,charging Pumps Found Running Contrary to Tech Spec Surveillance Requirement.Caused by Failure of Personnel to Perform Surveillance Requirements After Securing Shutdown Cooling Flow.Procedures Changed

ML19340D705
Person / Time
Site:	Calvert Cliffs
Issue date:	12/29/1980
From:	Wenderlich R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340D703	List: 05000317/LER-1980-065-03, /03L-0:on 801215,charging Pumps Found Running Contrary to Tech Spec Surveillance Requirement.Caused by Failure of Personnel to Perform Surveillance Requirements After Securing Shutdown Cooling Flow.Procedures Changed
References
LER-80-065-03L, LER-80-65-3L, NUDOCS 8101050192
Download: ML19340D705 (2)

LER-1980-065, /03L-0:on 801215,charging Pumps Found Running Contrary to Tech Spec Surveillance Requirement.Caused by Failure of Personnel to Perform Surveillance Requirements After Securing Shutdown Cooling Flow.Procedures Changed

Event date:
Report date:
3171980065R03 - NRC Website

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NRC FORM 363 U. S. NUCLEAR REGULA10RY COMMISSION (7 77)

LICENSEE EVENT REPORT CONTROL SLOCK: [_

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S 60 61 DOCKET NuMS ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PRcBABLE CONSEQUENCES h t o 12, 1 During Mode 5 at 1633 with shutdown coolina (SDC) flow secured, it was I

io i3i l recognized that charging pumos were runnino contrary to surveillance l

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recuirement of T.S. 4.10.5.1.

SDC flow had been stocoed at 1250 cer l

T.S. 3.10.5.

Although the requirements of T.S. 4.10.5.1 were not satis-l 10:s1 1 io is i ;

1. ied until 1633, the Control Room Operator purposely had not conducted I

iol7; j any dilution of the RCS due to olant conditions. This is a non-repet-l itive event.

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3 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h liioil The cause of this event was a failure of licensed oersonnel to oerform l

ii iii i the surveillance reauirements of T.S. 4.10.5.1 after securing shutdown I

,,,,,i cooling flow. A contributing cause was that the LC0's of T.S. 3.10.5 i

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iiiAi t and that the charging flow paths be certified closed.

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80-65 DOCKET NO.

50-317 LICENSE NO. CPR-53 EVENT DATE 12-15-80 REPORT DATE 12-29-80 ATTACHMENT EVENT DESCRIPTION AND PROBABLE CONSE00ENCES (CONT'D)

During Mode 5 operations at 1633 with shutdown cooling flow secured, it was discovered that charging oumos were running. Charging pumos had not been verified de-energized and the charging flow paths were not verified closed as required by T.S. 4.10.5.1.

Shutdown cooling flow had been stooped at 1250 on 12-15-80 to perform a local leak rate test on penetration number 41 as provided for in T.S. 3.10.5.

Although the requirements of T.S. 4.10.5.1 were not satisfied until 1633, the CR0 was aware of the requirements to not lower RCS boron concentration due to the peculiar plant conditions.

Thus he ensured that no dilution conditions were conducted while 50C was isolated.

Subsequent RCS boron samples verified that no dilution resulted from charging flow during this event. Therefore, this event had no im-pact uoen the public health or safety. This is a non-repetitive event.

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (CONT'D)

The cause of this event was failure of licensed personnel to perform the surveillance requirements of T.S. 4.10.5.1 after securina shut-down cooling flow. A contributing cause was that the limiting con-ditions for operation of T.S. 3.10.5 do not specifically reouire that l

charging pumps be de-energized and that the charging flow paths be verified closed. These reouf rements are contained only in the sur-veillance requirements of T.S. 4.10.5.

Additionally, these require-l ments are not consistent with the wording of other technical :ceci-i fications, such as T.S. 3.1.1.3 and T.S. 3.9.8.

This event has been reviewed with Operations personnel who were involved.

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all licensed personnel will be informed of the details of this event.

l Additionally, a request will be initiated to change technical sceci-t fications 3.10.5 and 4.10.5 to make their wordino consistent with T.S. 3.1.1.3 and T.S. 3.9.8.

Finally, approoriate procedures will be changed to ensure tnat both the LCO and Surveillance Reouirements are met prior to isolating SDC to conduct the local leak rate test of penetration 41.

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