ML20030A784

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Forwards Completed Questionnaire Re Standby Diesel Generator Units
ML20030A784
Person / Time
Site: Oyster Creek
Issue date: 01/25/1978
From: Ross D
JERSEY CENTRAL POWER & LIGHT CO.
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20030A783 List:
References
NUDOCS 8107290027
Download: ML20030A784 (5)


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ss Director of Nuclear Reactor Regulation

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United States Nuclear Regulatory Consnission

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Dear Sir:

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Subject:

Oyster Creek Nuclear Generating Station l

Occket No. 50-219 Standby Diesel Generator Questionnaire The questionnaire titled " questionnaire for Nuclear Regulatory l

Consnission Reliability Study of Standby Diesel Generator Units" has been completed for the diesel generator units at the Oyster Creek Nuclear Generating Station and is for.varded herewith. Also included on a separate sheet are the names, addresses and phone numbers of the persons at the reactor site responsible for completing the questionnaire, for responding to any folicw-up communications concern-Ing the questionnaire and for arranging a reactor site visit.

Very truly yours, m

n ppzab6.2.x w Donald A. Ross, Manager Generating Stations-Nuclear es Enclosure

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7G0310274 8107290027 810720 PDR ADOCK 05000219

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Oyster Creek Nuclear Generating Station Docket No. 50-219 Standby Diesel Generator questionnaire Person who completed the questionnaire and will be responsible for responding to any follow-up conununication concerning the questionnaire:

Mr. David W. Jones.

Oyster Creek Nuclear Generating Station Jersey Central Power 8. Light Company P. O. Box 388 Forked River, New Jersey 08731 Telephone Number:

(609) 693-1951, Extension 314 A

Person who should be contacted for arranging a reactor site visit:

Mr. Joseph T. Carroll, Jr.

Oyster Creek Nuclear Generating Station Jersey Central Power r, Light Company P. O. Box 388 Forked River, New Jersey 0873I Telephone Number:

(609) 693-1951, Extension 210 l

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20-5.

Are any foreica cases such as orepane, freon, halon, carbon dioxide, etc. storao in tne: Diesel Engine room?

Yes flo X

or adjacant ouildings? Yes No x If yes, (other than hand portable fire extinguishers), then identify gases and give approximate tank size.

3 Gases Volume (ft )

F T.

Does control system autcmatically bypass, in emergency starting, any engine temocrarily out of service for maintenance? Yes X

No If yes, then how many failures to bypass have occured?

Ncne U.

Does $e control system automatically override the test mode under emergency conditions? Yes X

No V.

Have repetitive mechanical failures occurred in any ccaponent part or subsysten of the engine, generator, or switch gear, etc.?

Yes No X If yes, then which part or subsystem?

How many failures?

Give nature of failure.

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Would periodic (yearly or other) evaluation and/or testing by "cutside exoerts" contribute significantly to the diesel-generator reliability? Yes x Mo Give brief reasons for the answer. Ve have contracted our annual outace encine work to Morrison-Knudson anc have receivec excclient l

is orefersole to use nignty exper'i3 cec personnel for service.

It diesel eenerater annual maintenance.

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Give the accu.mulated time-load coerating record for each diesel-generator unit from installation to the present l

(Running Hours):

i Preoperational test Date My to. Ie69

Engine Sury. Testing & :

Emergency Total

Serial flo. :

liaintenance Mrs. :

and Otner Hours :

No Load : Loaced : Service Hrs. :

DG-1 : 69K-t -1035:

530.0
Acerox. 1.0 531.0 508.0

.Aporox. I.0

509.0 OG-2 : 67C-1-1089-j

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Cannoc determine loaded vs. unloaded cima.

Surveillance test load (cercent of continuous racine) 4.

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Tech. Spec. requires 20%: manuf acturer recommends 10 3.

Give the projected or clanned time-1 cad coeration for each diesel-generator unit during the next 12 montns.

Surveillance 4 Emergency :

Total i

llaintenance Mrs. :

and other :

Hours

Service Mrs. :

l 50.0 0.0 50.0 4

Provide the following sunmary of the periodic sur"e111ance testing experience:

a.

Starting date o# i;: veillance testing (OL date) cacember 1969 I

b.

Periodic test riter/al 2 weeks c

Acorox. 220 cer diesci Total numoer of surveillance tests cerformed c.

d.

Total nur.oer of test failures 13 0

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failure to start 8

failu.e to accept load o

failure to carr/ loao 5 f ailures cue to coerator error failure cue to ecutanent not oeing operative curing emergency condi tions 2

i Suoply a copy of the surveillance test ;:rececures with this l

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ccnoleted cuestionnaire.

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I Additional Com.ments Y.

General Succestions Briefly give constructive criticism er suggestions as to l

improvement in reliacility of tne diesel generators. These remarks may cover tests, naintcnance, cractices, orr.ers, j

policy, adjustments, etc.

Attachment No. 5 Procedure No. 341 - Standby Diesel Generators

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Attachment No. 6 Procedure No. 636.2.001 - Olesel Generator Automatic Actuation Test Attachment No. 7 Procedure Nc. 636.2.002 - Monthly inspection of the Olesel Generators Attachment No. 8 Procedure No. 636.4.003 - Di 31 Generator 20% Plus Load Test Attachment No. 9 Procedure No. 736.1.006 - Diesel Generator i

i inspection (Annual)

Attachment No. 10 Procedure No. 736.1.007 - Diesel Generator

'rotective Relay daintenance O

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