ML20154L557

Monthly Operating Rept for Sept 1998 for Oyster Creek Nuclear Generating Station.With 981015 Ltr

ML20154L557
Person / Time
Site:	Oyster Creek
Issue date:	09/30/1998
From:	Egan D, Roche M GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
1940-98-20585, NUDOCS 9810190351
Download: ML20154L557 (3)

Text

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l GPU Nuclear, Inc.

l ( U.S. Route #9 South NUCLEAR Post Office Box 388 Forked River, NJ 08731-0388 Tel 609-9714000 October , 15,'1998 1940-98-20585 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555

SUBJECT:

Oyster Creek Nuclear Generating Station Docket No. 50-219 Monthly Operating Report - September,1998 Enclosed are two copies of the September,1998 Monthly Operating Report for Oyster Creek Nuclear Station. The content and format ofinformation submitted in this report is in accordance with the guidance provided by Generic Letter 97-02.  !

If you should have any questions, please contact Ms. Brenda DeMerchant, Oyster Creek Regulatory Affairs Engineer, at 609-971-4642. ,

1 Very truly yours, 1

] fb Michael B. Roche Vice President & Director f

Oyster Creek [

MBR/BDeM/gl Enclosures cc: Administrator, Region I (2 copies) i

NRC Project Manager gM NRC Sr. Resident inspector 1[')buO 9810190351 DR 980930 ADOCK 05000219 PDR

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APPENDIXA Operating Data Report Docket No: 50-219 Date: 10/09/98 Completed By: David M. Egan

' Telephone: (609)971-4818 Reporting Period: September 1998 YEAR TO MONTH DATE CUMULATIVE

1. DESIGN ELECTRICAL RATING (MWe NET).

The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design. 650 * *

2. MAXIMUM DEPENDABLE CAPACITY (MWeNET).

The gross electrical output as measured at the output terminals of the turbine generator during the most restrictive seasorud 619 *

• conditions minus the normal station service loads.

3. NUMBER OF HOURS REACTOR WAS CRITICAL.

The total number of hours during the gross hours of the rgorting period that the reactor wm critical. 602.5 6044.4 175,886.6

4. HOURS GENERATOR ON LINE. )

(Senice flours)1he total number of hours during the gross hours - 601.2 5957.6 172,(MO.7 of the reporting period that the unit operated with the breakers closed to the station btn The sum of the hours that the generator wm on line plus the total outage hours in the reporting period.

j 5 UNIT RESERVE SIIUTDOWN HOURS.

The total number of hours during the gross hours of the reporting 0 0 918.2

period that the unit was removed from senice for economic or i

similar reasons but was available for operation.

l 6. NET ELECTRICAL ENERGY (MWH).

The gross electrical output of the unit measured at the output 336,223 3,606,630 96,888,479 termimds of the turbine generator minus the normal station senice loads during the gross hours of the reporting period, expressed in magawatt hours. Negative quantities should not be used.

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• Design values have no " Year to Date" or " Cumulative" significance.

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9-Appendix B Unit Shutdowns Docket No: 50-219 -

Date: 10/09/98-Completed By: David M. Egan : .

Telephone: (609)971-4818 Reporting Period: September 1998 No. Date Typc* Duration Reason' Method of Cause & Corrective Action to (Hours) Shutting Down Prevent Recurrence Reactor 2 7 9/5/98 F 0 A 1 Tech Spec Shutdown commenced due to suspected tube leak in B isolation -

condenser 8 9/24/98 S 0 B 1 Planned power reduction to identify condenser air in-leakage source to B main condenser. Source found to be B condenser north waste water and oil line.

9 9/26/98 S II8.8 C 1- Reactor manually shutdown to commence 17R outage.

I 2 F Forced Reason: Method S Scheduled A-Equipment Failure (Explain) I-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restnction 44)ther(Explain)

E4)perator Training & Licensing Examination F-Administrative G-Ope stional Error (Explain)

H-Other(Explain)

Summary: During September 1993, Oyster Creek generated 336,223 MWH net electric, which was 75.4% ofits MDC rating.

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