ML20105B538

Monthly Operating Rept for Aug 1992 for Grand Gulf Nuclear Station,Unit 1

ML20105B538
Person / Time
Site:	Grand Gulf
Issue date:	08/31/1992
From:	Ted Carter, Daughtery L ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20105B539	List: ML20105B538 ML20105B762
References
NUDOCS 9209210013
Download: ML20105B538 (4)

Text

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f I Attachment 1 to GNR0-92/001Li DOCKET NO. 50-416 DATE 09/04/92 COMPLETED BY L. F. Daughtery TELEPHONE (601)437-2334-OPERATING STATUS

1. Unit Name: GGNS UNIT 1 Notes: [

2. Reporting Period: A_ugust 1992

3. Licensed Thermal Power (MWT): 3833 MWT

4. NameplateRating(GrossMWE): 1372.5 MWT 5, Design Electrical Rating (Net MWe): 1250 MWE l

6. Maximum Dependable Capacity (Gross MWe): 1190 MWF;

7. Maximum Dependable Capacity (Net MWe): 1143 MWE

8. If Changes Occur in Capacity Ratings (Items Numlier TThrough 7) Since Last Report.

Give Reasons:

N/A

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

10. Reasons For Restrictions, If Any: N/A __

This Month Yr to Date Cumulative

11. Hours In Reporting Pericd 744 S,855 68,967

12. Number of Hours Reactor Was Critical 702.0' 4,420.0 54,617.1

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 679.6- 4,234.3 52,284,.7

15. Unit Reserve Shutdown 1:aurs 0~ 0 0

16. Gross Thermal Energy Generated (MWH) 2,466T47i 15,380,325 181 TOT,3I5

17. 'iross Elect.'ical Energy Generated (MWH) 780,844 4,901,436 57,471,546

18. Net Electrical Energy Generated (MWH) 748,890 _4,700,748 14,961,463

19. Unit Service Factor ~

91.3 72.3 78.3

20. Unit Availability Factor 91.1 72.3 78.3

21. Unit Capacity Factor (Using MDC Net) 88.1 ,

70.2 74 6

22. Unit Capacity Factor (Using DER Net) 80.5 64.2 67.6

23. Unit Forced Outage Rate 8.7 7.8 6.6

24. Shutdowns Seneduled Over Next 6 Months (Type, Date, and Duration of Each):

s

25. If Shut Down At End of Report Period. Estimated pate of Startup:

26. Units In Test Status (Prior to Commercial Operation).

Forecast Achieved INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY ~

10/20/84 COMMERCIAL OPERATION 07/01/86 9209210013 920914 PDR ADOCK 05 COO 416 R PDR

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Attachment 2 to GNRO-92/00115

., l r

e i 1 DOCKET NO. 50-416 .!

i

! UNIT 1 i DATE 09/04/92  ;

i COMPLETED BY L. F. Daughtery ,

TELEPHONE 501-437-2334 i  !

MONTH August 1992

~; 0 "' AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i (MWe-Net) (MWe-Net) 1 1140 17 - 1186 i

2 1170 18 1182  ;

l 3 1169 19 1180 .

l 4

4 752 20 1180 [

. t 5 0 21 1178 l

6 0 22 1140 l

7 258 23 1162  ;

8 957 24 1134 9 883 25 1152 t j 10 1141 26 919 11 1086 27 1003 j 12 1112 28 1181  ;

i 13 1158 29 1044 i

14 1175 30 1053 15 1181 31 1142  :

i 16 1188 N/A l i

t

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l i  !

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e i H00PAUG/SCMPFLR

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f.

Attachnent 3 to GNRO-92/00115 UNIT SHUTDOWNS AND POWER REDUCTIONS '

DOCKET NO. 50-416 UNIT NAME 1 _

DATE 09/04/92 '

COMPLETED BY L. F. Daughtery TELEPHONE 601-437-2334 REPORT MONTH August 1992 i Method of ' Licensee Cause & Corrective No. Date Type Duration Reason Shutting Down Event System Component Actior. To Hours (2) Reactor Report # Code Code Prevent Recurrence (1)

(3) (4) (5) (C&CA) 65.0 3 92-017 TJ LT Reactor scram due to a spurious 92- 08/04/92 F A 006 low primary cooling water tank level signal when performing a grour.dit.g test with the test system malfunctioning.

92- 39.6 5 NA NA NA System dispatcher requested power 08/26/92 S H reduction for grid stability-007 during Hurricane Andrew.

f l

UNIT SHUTDOWNS AND POWER REDUCTIONS 4 i I 2' 3 _

Exhibit G - Instruc tions Method:  !

F: Forced Reason:

A-Equipment Failure 1-Manual for Preparation of Data S: . Scheduled Entry Sheets for Licensee (Explain) 2-Manual Scram B-Maintenance or Test. 3-Automatic Scram Event Report (LER)

C-Rafueling 4-Continued File (NUREG-0161) i

}

D-Regulatory Restriction 5-Reduced load E-Operator Training & 6-Other.

Licensing Examination F-Administrative 5 G-Operational Error Exhibit 1-Same Source (Explain)

H-Other (Explain) 4 I

M00PAUG/SCMPFLR l

L

MAIN STEAM SAFETY RELIEF YALVE CHALLENGES 4 DOCKET NO. 50-416

. UNIT 1 i COMPLETED BY T. M. CARTER TELEPHONE 1601) 437-245T ,

August 04, 1992

~

04.cc of Occurrence:

Plant Operating Condition:

Rx Thermal Power 100% Rx Pressure (psia) 1047.9 Rx Mode 1 Rx Power (MWE) 1225.6 Rx Temperatures 545 F Number of mainsteam line SRVs: 20 ,

Number of SRVs affected by event: 2 Narrative:

On August 4, 1992, I reactor scram occurred due to primary water low generator trip.

a The following SRV's actuated automatically once:

B21-F051B B21-F0510 1

4 5

M M00PAUG/SCMPFLR i l 1

r t

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