ML20154K239

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

ML20154K239
Person / Time
Site:	Grand Gulf
Issue date:	09/30/1998
From:	Lin S, Venable J ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-98-00082, GNRO-98-82, NUDOCS 9810160205
Download: ML20154K239 (6)

Text

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%A Entergy operstions, Inc. >

l h P. O. Box 756 Port Gibson, MS 39150

! Tol 601437 2129 l

. , Joseph E. Venable General Manager, Plant Operations

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.0ctober 8,'1998 U.S. Nuclear Regulatory Commission L Mail Station P1-137

Washington, D.C. 20555 L

Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416.

License No. NPF-29 Monthly Operating Report GNRO-98/00082 Gentlemen:

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 i for September 1998.

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

Yours truly,.

l 1

- Josep E. Venable

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' General Manager, Plant Operations JEV/SDUcg attachments: 1. . Operating Status

2. Average Daily Power Level

3. Unit Shutdown and Power Reductions

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f '- 9810160205 990930 P.

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. i L ~ October 8, 1998

' GNRO-g8/00082 Page 2 of 3 '

t ec: Mr. D. 'C. Hintz (w/a)L Mr. N. S. Reynolds (w/a) .

Mr. Jager Smith (w/a)

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

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

L, 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 l .'

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. October 8 1998

GNRO-98/00082 L Page 3 of 3 i1 boc

. Ms. C. W. Gunn (w/a)

Mr. R. J. King (RB)(w/a)

Mr. S. D. Lin (w/a)

File (LCTS)/(RPTS) (w/a)

File (NS&RA) (w/a)

File (Central)(w/a) G)

' lNPO Records Center (w/a) Mr. D. P. Galle -

! 700 Galleria Parkway 19025 Ruth Drive

. Atlanta, Georgia 30339-5957 Mokona, IL 60448 .l Mr. Marcus Ware (w/a)  :

Manager of Production -

South Mississippi Electric PowerAssociation

. P.O. Box 15849 Hattiesburg, MS 39401

Mr. Fred Yost (w/a)

Director Research Services Utility Data institute

- 1200 G Street, N.W.

Suite 1100 Washington, D.C. 20005 ccmail: Mr. P. W. Alberstadt (w/a) Mr. R. A. Wilson (w/a)

Mr. S. J. Bethay (w/o) - Mr. M. J. Wright (w/a)

Mr. D. G. Bost (w/a) Mr. J. W. Yelverton (ECH) (w/a)

Mr. C. A. Bottomilier (w/a)

Mr. R. N. Buckley (w/a)

Mr. S. A. Bunis (w/a) -

Mr. L F. Dale (w/a)

Mr. J. G. Dewease (w/a)

Mr. C. M. Dugger (W3) (w/a)

Mr. W. A. Eaton (w/a) -

- Mr. J. L. Ensley (ESl) (w/a) .

Mr. E. Ewing (W3) (w/a)

Mr. W. K. Hughey (w/a)

Mr. C. R. Hutchinson (ANO) (w/a)

Mr. D. L Janacek (w/a)

Mr. T. A. Kriesel (w/a)

Mr. R. V. Moomaw (w/a)

Mr. R. L Patterson (w/a)

Mr. J. C. Roberts (w/a)

Mr. C. F. Smith (w/a)

Ms. M. T. Sonist (LP) (w/a)

Mr. G. D. Swords (w/a) l Mr. D. W. Vinci (W3) (w/a) l L

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l L . . Attachment 1 to GNRO-98/00082 l

L DOCKET NO 50-416 DATE 10/06/98 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 L OPERATING STATUS

' 1. Unit Name: GGNS UNIT 1

2. _ Reporting Period: _ September 1998 )

-3. Licensed Thermal Power (MWt): 3833 MWT 4 Nameplate Rating (Gross MWe): 1372.5 MWE _

i . 5.' ' Design Electrical Rating (Not MWe): 1250 MWE ..

l" - 6. Maximum Dependable Capacity (Gross MWe): 1254 MWE L .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 (Not Mwe): N/A l

10. Reasons For Restrictions, if Any: N/A l~

This Month Yr to Date Cumulative

• ii 11. Hours in Reporting Period 720 6,551 122,271

12. ' Number of Hours Reactor was Critical -720.0 5,575.5 102,314.5 l- 13. ' Reactor Reserve Shutdown Hours - 0 0 0 L -14. Hours Generator On-Une 681.7 5,433.3 99,070.2

- 15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 2,490,763 20,070,365 356,480,660 ,

- 17. Gross Electrical Energy Generated (MWH) 824,499 6,699,321 115,218,121 l

18. Net Electrical Energy Generated (MWH) . 791,757 6,435,376 110,477,285

' 19. Unit Service Factor 94.7 82.9 82.7

20. Unit Availability Factor 94.7 82.9 82.7  !

21. Unit Capacity Factor (Using MDC Net) 91.3 81.7 81.4  !

l 22.~ Unit Capacity Factor (Using DER Net) 88.0 78.6 74.8 i

! 23. Unit Forced Outage Rate 5.3 4.4 5.6 l 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): None L - 25. If Shut Down At End of Report Period. Estimated Date of Startup: N/A l

26.- Units in Test Status (Prior to Commercial Operation): i Forecast Achieved t INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84_

COMMERCIAL OPERATION 07/01/85

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• Items 11 through 18 are cumulative results since initial electricity l

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Attachment 2 to GNRO-98/00082 1

DOCKET NO 50-416 DATE 10/06/98-COMPLETED BY. S. D. Lin i TELEPHONE (601) 437-6793 l I

MONTH September 1998 l DAY' AVERAGE DAILY POWER LEV'EL. DAY - AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 l

1 1234 17 654- l 2 1233 18 1205 3 1236 19 1129 l 4 1235 20 1173 i 5 1232' 21 1230 6 1231 22 1231

-7 1231 23 1236 8 1231 -24 1240 9 1240 25 1238 10 1240 26 1238 11 1239 27 1234 l

12 849 28 1236 i 13 1148 -29 1230

.14 834 30 1229 ,

1 15 25 31 1228 i E16 - 48 l

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' Attachment 3 to GNRO-98/00082 ~

UNIT SHUTDOWNS AND POWER REDUCTIONS .

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REPORT MONDI September 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)98-008 09/12/98 S 0. B 6- N/A N/A N/A Power reduced for control rod sequence exchange. Circulanng Water Pump B*

seat repacked at low power.98-009 09/14/98 F 0. B 6 N/A N/A N/A Power reduced in preparanon for repaanng ruptured instrument air tubing in dryweH at low power.98-010 09/15/98 F 38.3 A 6 N/A N/A N/A Turbine inpped by Operator uten te+..im difference between two sides of LP turbme inlet exceeded 25 'F because of parnally open MSR -B' 2 d-Stage ternperature control valves while taking MSR out of service at reduced power m preparation for drywell entry.

l 1 -2 3 4 5 l 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 Ucensee Event B-Maintenance or Test 2-Manual Scram Report (LER) File (NUREG-0161)

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C-Refueling 3-Automatic Scram i

D-Regulatory Restriction 4-Continued i E-Operator Training & 5-Reduced load Ucensing Exammation 6-Other F-Administrative G-Operational Error (Explain) l H-Other (Explain) 1

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