ML20006F596

Application for Amend to License DPR-16,consisting of Tech Spec Change Request 177.Amend Changes Tech Spec 4.7.B to Include Battery Svc Test Every Refueling Outage & Mod of Frequency of Existing Battery Performance Test

ML20006F596
Person / Time
Site:	Oyster Creek
Issue date:	02/20/1990
From:	Fitzpatrick E GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20006F594	List: ML20006F593 ML20006F596 ML20006F597
References
NUDOCS 9002280214
Download: ML20006F596 (3)

Text

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GPU NUCLEAR CORPORATION OYSTER CREEK NUCLEAR GENERATING STATION l' .

PROVISIONAL OPERATING LICENSE NO. 'DPR-16 I

Technical Specification Change Request No. 177 Docket No. 50-219 Applicant submits,'by this Technical Specification Change Request No. 177 to the Oyster Creek Nuclear Generating Station Technical Specifications, a change to page 4.7-2 and the addition of page 4.7.3.

By:

E. E. Fitzp'a' trick Vice President &

Director, Oyster Creek Sworn and subscribed to before rne this M day of T// d/L4' 1990.

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'. -OYSTER CREEK' NUCLEAR GENERATING STATION PROVISIONAL OPERATING LICENSE NO. DPR-16  !

DOCKET NO. 50-219 TECHNICAL SPECIFICATION CHANGE REQUEST NO. 177 Applicant hereby requests the Commission to change Appendix A to the above f- captioned license as indicated below. Pursuant to 10CFR50.91, an analysis:

concerning the determination of no significant hazards considerations is also ,

presented:

1. Section to be Chanced 4.7 Auxiliary Electrical Power

2. Extent of Chance

, Add the requirement to perform a battery service test each refueling outage. Also, change the surveillance interval of the existing battery performance test. ,

3. Chances Recuested ,

As indicated on the attached revised Technical Specification page 4.7-2.

Page 4.7.3 has been added to accommodate the expanded text. j

4. Discussion  ;

i TSCR No. 177 proposes to add a new surveillance requirement to perform a ~I battery service test each refueling-outage. A battery. service test is a special capacity test performed to demonstrate the capability of the j battery to meet the system design requirements. The-service test will-  !

l correspond as close as practical to the duty cycle load that the battery I, will be subjected to during a loss of AC power subsequent to a LOCA.

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In addition, 7SCR No. 177 proposes to change the surveillance frequency of l L

the existing battery performance test. A battery performance test is a j capacity test of the battery in the "as found" condition, after being in  ;

l . service, to detect any change in the capacity as determined by the new-battery acceptance test. Currently Specification 4.7.B.3 requires a battery performance test at least once per 18 months during a shutdown.

l The test demonstrates that the battery is capable of providing 80 percent of the manufacturer's rating. TSCR No. 177 proposes to reduce the frequency of the performance test buch that a test will be required at j intervals of no more than 5 years until the battery provides less than 90 percent of the manufacturer's rating. Upon reaching the point where the battery provides less than 90 percent of the manufacturer's rating, the test will be performed each refueling outage. The initial 5 year testing interval and subsequent increase in surveillance frequency at the point of reduced battery capacity (less than 90 percent of the manufaturer's rating) is consistent with IEEE standard 450.

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5.. Determinatiou-  :

i GPU Nuclear has determined that operation of the Oyster Creek Nuclear i Generating Station in accordance with the proposed technical specifications does not~ involve a significant hazard.. The changes do nots ,l

.l. Involve a significant increase in the probability or the ,

consequence of an accident previously evaluated. The proposed surveillance requirements do not-involve any-chenges to the plant configuration, availability of safety systems or the~

manner in which they respond to initiating events, and,-as such, will not increase the probability of an accident previously' r evaluated. .The surveillance requirements will not alter the battery's response to an accident and, therefore will not ,

increase the consequences of an accident'previously evaluated.

2. Create the possibility of a new or different kind of accident from any previously evaluated.- Revising the battery refueling outage surveillance requirements does not-involve any change to the plant configuration, nor does it change the availability.of the. batteries or the manner in which they respond to initiating events. As such, the possibility of a new or different kind of accident from any previously evaluated is not created.

3. Involve a significant reduction in a margin of safety. The .,

weekly, monthly and refueling outage-battery surveillance requirements' verify the availability and capability of these components and, therefore, do not represent a reduction in-the margin of safety.

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