ML20032B394

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Tech Spec Change Request 99,requiring That Each Diesel Generator Be Given Thorough Insp at Least Once Per 18 Months,Rather than Annually.Certificate of Svc Encl
ML20032B394
Person / Time
Site: Oyster Creek
Issue date: 10/26/1981
From: Phyllis Clark
JERSEY CENTRAL POWER & LIGHT CO.
To:
Shared Package
ML20032B393 List:
References
NUDOCS 8111050498
Download: ML20032B394 (6)


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JERSEY CENTRAL POWER & LIGHT COMoANY.

OYSTER CREEK NUCLEAR GENERATING STATION PROVISIONAL OPERATING LICENSE NO. DPR-16 1

TECHNICAL SPECIFICATION l

CHANGE REQUEST NO. 99 DOCKET NO. 50-219 Applicant submits by this Technical' Specification Change Request No.~ 99 to the Oyster Creek Nuclear Generating Station Technical Speci f ications, a change to Specification 4.7.A.3.

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Philipff. Clark Vice Pfesident - Nuclear j

Jersey Confral Power & Light Co.

Executive Vice President GPU Nuclear u

Sworn and subscribed to before me this X.42 day of A7f 1981

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PHYLllS A. KABIS NOTARY PULUC of NEW JERSEY My.Coramisslora Empires Aug. 16,1984 P

d UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISS10N IN THE MATTER OF

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JERSEY CENTRAL POWER & LIGHT COMPANY)

CERTIFICATE OF SERVICE This is to certi f y that a copy of Technical Specifiction Change Request No. 99 for the Oyster Creek Nuclear Generating Station Technical Specifications, filed with the United States Nuclear Regulatory Commission on October 26,1981, has this 26th day of October 1981 been served on the Mayor of Lacey Township, Ocean County, New Jersey by deposit in the United States mail, addressed as follows:

The Honorable Jorge A. Rod Mayor of Lacey Township 818 West Lacey Road Forked River, NJ 08731 By 8

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PhiliyA. Clark Vice President - Nuclear Jersey Central Power & Light Co.

Executive Vice President -

GPU Nuclear

b GYOTER CREEK X

NUCLEAR GENERATIN3 OTAT12N b;y mw A m

(60il)6tG-0000 P O BO s*R3. rORKED RIVER

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October 26, 1981 e

l The Honorable Jorge A. Rod Mayor of Lacey Township 818 West Lacey Road Forked River, NJ 08731

Dear Mayor Rod:

Enclosed herewith is one copy of Technical Specification Change Request No.

99 for the Oyster Creek Nuclear Generating Station Operating License.

This document was filed with the United States Nuclear Regulatory Commission on October 26, 1981.

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Philip R.,41 ark Vice President - Nuclear Jersey Central Power & Light Co.

Executive Vice President -

GPU Nuclear

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JERSEY CENTRAL POWER & LIGHi{ COMPANY j.

OYSTER CREEK NUCLEAR GENERATING STATION (DOCKET NO. 50-219)

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6 PROVIS10NAL OPERATING LICf.NSE-NO. DPR-16 d'.g ~C y,

_,m Applicant hereby requests the Ccunission to change Appendix A to the above t x.

s f-captioned license as follows:

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Section to be changed:

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Section 4.7 J~

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Extent'of change:

~ Change. Specification 4.7.A.3.to require each diesel generator be y 1

Q givenathorough-inspectionatleastonceper18monthsdurin,9shutJop^,

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rather than annually.

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Changes requested:

s As per the attached Technidel Specification pagas'4,b7-1 aid 4.7-2.

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Discussion:

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[.~ ssX The subject change is being made in order.to increase the avallebility of the diesel generators during plant oper5+lon.,

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,rf Icab'il[tyl App lies to surve i.lanc'e requlNm'ents of the auxiliary 3 - r-biectrical supply. x

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~.Toverifytheavailbilityoftheauxiliaryelectrical Objective:

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Specificationi Ax Olesal GNneh.tcr

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l p Each'dibsel generator'shalI_be started and loaded

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to not less than 20% rated power every two weeks.

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2."; The ko diesel generators shall be automatically p

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efueling outage. This shall include testing of

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"_ ; actuated.and fuactionally tested during each 1

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yi tpedieselgeneratorloadsequencetimerslisted

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in Table 3.1.1.

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s J.E Each diesel geperator shalI be given a thorough-lt -

inspection at least once per 18 months during shutdown.

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The diesel generators' fuel supply shall be checked following the above tests.

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The diesel generators' starting batteries shall N

be tested eNi monitored the same as the staticn N

's, batteries, Specitication 4.7.b.

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's Amendment No. 15, February 24, 1976 e

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5 Basis:

'The. biweekly tests.of the diesel generatces are primarily to check for failures and dete-loration in the system since last use. The manufacturer has recommended the two week test interval, based on experiencefwith many of thejr engines.

One factor in determining this test interval (besides checking whether or-not the engine starts and[ runs) is that

-the lubricating oil should be circulated through the engine approximately.every two weeks. The diesels should be loaded to at least 20% of rated power until' engine and generator

= temperatures have stabilized (about one hour). The-mi n imum 20% load will = prevent soot formatloa in the cylinders and -

injection nozzles. Operation up to an equilibrium e

temperature ensures that there is no over-heat problem.

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-The_ tests also provide an engine and generator operating hisiory to be tamp 3 red with subsequent engine-generator-test data to identify and correct any mechanical or electrical deficiency before it can result in a system-failure.

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The. test during refueling outages Is-more comprehensive, including procedures that are most effectively conducted at that time. These include automatic actuation and functional capability tests, to verify that the generators can start and. assume load in less'than 20 seconds and

-testing of the diesel generater load sequence timers which provide protection from a possible diesel gene,rator overload during LOCA conditions. Thorough inspections will detect any signs of wear long before' failure.

The manufacturer's instructions for battery care and mainten--

ance with regard to the floating charge, the e_qualizing 4

cha ge, and the addition of water will be followed.

In addition, written records will be maintained o,f the battery performance. Station batteries will deteriorate with time, but_ precipitous failure is unlikely. The station surveillance procedures follow the recommended maintenance and testing practices of IEEE STD. 450 which have demonstrated, thorough l

experience, the ability to provide positive Indications of i

cell deter location tendencies long Lefore such tendencies cause cell irregularity or improper cell performance.

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Amendment No. 15, 55 7

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