ML20195F480

Monthly Operating Rept for Oct 1998 for Grand Gulf Nuclear Station,Unit 1.With

ML20195F480
Person / Time
Site:	Grand Gulf
Issue date:	10/31/1998
From:	Lin S, Venable J ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-98-00093, GNRO-98-93, NUDOCS 9811200007
Download: ML20195F480 (5)

Text

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bA. Entsrgy operations, Inc.

h P. O. Box 756 Port Gbson, MS 39150 Tel 601437 2129 l

Joseph E. Venable General Manager Plant Operatons November 11, 1998 "'*""""""'**'**"

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l U.S. Nuclear Regulatory Commission Mail Station P1-137 Washington, D.C. 20555 Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1

[ Docket No. 50-416 License No. NPF-29 Monthly Operating Report GNRO-98/00093 t Gentlemen:

l In accordance with the requirement of Technical Specification 5.6.4, Entergy Operations is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for October 1998. .

- If you have any questions or require additional information, please contact this office.

Yours truly, M ,

l JEV/SDUcg attachments: 1. Operating Status

2. Average Daily Power Level

3. Unit Shutdown and Power Reductions

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, b 't 1 J i 9g11200007 981031' 1 PDR ADOCK 05000416 R. PDR 1(

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D GNRO-98/00093 Page 2 of 3 , ,

cc: Mr. D. C. Hintz (w/a)

Mr. N. S. Reynolds (w/a)

Mr. Jager Smith (w/a)

- Mr. H. L. Thomas (w/o)

Ms. K. D. Weaver (w/a)

Mr. Ellis W. Mershoff (w/a)

Regional Administrator U.S. Nuclear Regulatory Commission Region IV

. 611 Ryan Plaza Drive Suite 400 Arlington, TX 76011 Mr. Jack Donohew, Project Manager ,

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 13H3 Washington, D.C. 20555 I

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, Attachment I to GNRO-98/00093 DOCKET NO 50-416 DATE 11/05/98 COMPLETED BY S. D. Lin TELEPHONE (601)437-6793 OPERATING STATUS

.l. Unit Name: GGNS UNIT 1

2. Reporting Period: October 1998

3. Licensed Thermal Power (MWt): 3833 MWT

4. Nameplate Rating (Gross MWe): 1372.5 MWE

5. . Design Electrical Rating (Net MWe): 1250 MWE

. 6. . Maximum Dependable Capacity (Gross MWe): 1254 MWE

7. Maximum Dependable Capacity (Net MWe): 1204 MWE

8. If changes occur in Capacity Ratings (Items 3 through 7) Since Last Report. Give Reason:

9. Power Level To Which Restricted, if Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: N/A This Month Yr to Date Cumulative *

11. Hours in Reporting Period 745 7,296 123,016

12. Number of Hours Reactor was Critical 745.0 6,320.5 103,059.5

13. Reactor Reserve Shutdown Hours 0 0 0

14. - Hours Generator On-Line 745.0 6,178.3 99,815.2

15. Unit Reserve Shutdown Hours 0 0 0

. 16. Gross Thermal Energy Generated (MWH) 2,801,303 22,871,668 359,281,963

17. Gross Electrical Energy Generated (MWH) 950,169 7,649,490 116,168,290

18. Net Electrical Energy Generated (MWH) 913,924 7,349,300 111,391,209

19. ' Unit Service Factor 100.0 84.7 82.8

20. Unit Availability Factor 100.0 84.7 82.8

21. Unit Capacity Factor (Using MDC Net) 101.9 83.8 81.5

22. Unit Capacity Factor (Using DER Net) 98.1 80.6 75.0

23. Unit Forced Outage Rate 0. 3.9 5.6

24. ' Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): None

. 25. If Shut Down At End of Report Period. Estimated Date of Startup: N/A

26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84 COMMERCIAL OPERATION 07/01/85

• Items 11 through 18 are cumulative results since initial electricity

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., Attachment 2 to GNRO-98/00093

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l DOCKET NO 50-416

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DATE 1I/05/98 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 l

MONTH: October 1998 DAY AVERAGE DA?LY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) l l

1 1227 ' 17 1246 l' 2- 1230 18 1243 i 3 1161 19 1251 l- -

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l:- 4 1240 20 1259 l

5 1237 21 615 l-6 1239 22 . 1241

.7 1256' 23 1272 8 '1261~ 24 1227 i

l- 9- 1265 25 1265 l'

-10 -1240 26 1259 1259' 27 11 1260

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12" 1256 28 1260 13 - '1255 29 1254 1

-14 1255 30 1251 l- .15 1250 31 1251 l

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_16 1242 L  !

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Attachment 3 to GNRO-98/00093 ,

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MON 1H October 1998 No. Date Type (1) Duration Reason Method Of Licensee Event System Code Component Cause & Corrective Action To Prevent Hours (2) Shutting Down Report # (4)' Code (5) Recurrence (C&CA)

Reactor (3)98-011 10/21/98 F 0. A 6 N/A N/A N/A Power reduced to approximately 50%

when circulating Water Pump "A" tripped because of burned electrical lead.

I 2 3 4 5 F: Forced Reason: Method: Exhibit G - Instructions for Preparation of . Exhibit 1 - Same Source S: Scheduled A-Equipment Failure (Explain) 1-Manual Data Entry Sheets for Licensee Event B-Maintenance or Test 2-Manual Scram Report (LER) File (NUREG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued E-Operator Training & 5-Reduced load Licensing Examination 6-Other  !

F-Administrative G-Operational Error (Explain)

H-Other (Explain) _

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