ML20073B611

Monthly Operating Rept for Aug 1994 for Grand Gulf Nuclear Station

ML20073B611
Person / Time
Site:	Grand Gulf
Issue date:	08/31/1994
From:	Lin S ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20073B609	List: ML20073B606 ML20073B611
References
NUDOCS 9409220139
Download: ML20073B611 (4)

Text

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Attachraent I to GNRO-94/00117 4

DOCKET NO 50-416 DATE 09/01/94 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 OPERATING STATUS

1. Unit Name: GGNS UNIT 1

2. Reporting Period: Auaust 1994

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): 1190 MWE

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

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

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 744 5,831 86,487

12. Number of Hours Reactor was Critical 631.7 5,564.7 70,251.4

13. Reactor Reserve Shutdovvn Hours 0 0 0

14. Hours Generator On-Line 552.4 5,447.4 67,507.3

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 2,109,229 20.331,133 238,148,704

17. Gross Electrical Energy Generated (MWH) 670,929 6.558,543 75,866,047

18. Net Electrical Energy Generated (MWH) 643,579 6,297,836 72,669,223

19. Unit Service Factor 74.3 93.4 80.2

20. Unit Availability Factor 74.3 93.4 80.2

21. Unit Capacity Factor (Using MDC Net) 75.7 94.5 77.6

22. Unit Capacity Factor (Using DER Net) 69.2 86.4 70.5

23. Unit Forced Outage Rate 25.8 6.6 6.6

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

25. If Shut Down At End of Report Period. Estimated Date of Startup: 09/02/94

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 9409220139 940913 PDR ADOCK 05000416 PDR

Attachrnent 2 to GNRO-94/00117

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DOCKET NO 50-416

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DATE 09/01/94 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 MONTH Auaust 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i (MWe-Net) (MWe-Net) 1 1175 17 1170 2 1172 18 1168 3 1155 19 1163 4 1166 20 1154 5 1140 21 1172 6 1171 22 1171 7 1170 23 1169 8 1172 24 16 9 1167 25 0 10 1165 26 0 11 1166 27 0 12 1161 28 0 13 1153 29 0 14 1163 30 0 15 1166 31 0 16 1171

Attachment 3 to GNRO-9UUO 117 UNIT SIIUTDOWNS AND POWER REDUCTIONS .

DOCKET NO. 50-116 UNIT NAME GGNS Unit 1 DATE 09/01/94 COMPLETED BY S. D. Lin TELEPHONE (6011437-6793 REPORT MONTH Aucust 1994 No. Date Type (1) Duration Reason Method Of Licensee System Code Component Cause & Correctist Action To Hours (2) Shutting Event Report # (4) Code Prevent Recurrence (C&CA)

Down Reactor (5)

(3)94-007 940824 F 191.6 A 2 NA NA NA Reactor manually shut down for high vibration of main generator bearing # I1 caused by cooling water leaking into rotor cavity through cracked welding.

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

C-Refueling 3-Automatic Scram D-Regulatog Restriction 4-Continued E-Operator Training & 5-Reduced load Licensing Examination 6-Other F-Administrative G-Operational Error (Explain)

H-Other (Explain)

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . - _ . _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ - .-- - __.w

NRC SUBMITTAL CERTIFICATION FORM (Miscellaneous) .

I. Letter Number (List GNRO, GIN, GEXO, etc.) GNRO-94/000117 T. M. Carter 09/01/94 Document Originator Date '

II. Certification: Responsible Section/ Organization Enoineerina Support PAGE/ PARAGRAPH NO. SENTENCE NUMBER (S) # BASIS COMMENTS Attachments 1,2, & 3 ALL Data and calculations based on GGNS Unit 1 switchboard Log (PDS), Pine Bluff EMS, Rx.

Eng. Fuel Accounting Program and STA Log entries.

0 BASIS: 1) Indicate when an action was or will be done (date) and how.

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a 4x . -/ VC Il ,] j. j

//2 / / (7- '

Rggiblet8ection Individual Date

2) If statement of fact list supporting document (s) 1.e., UFSAR,

• 7 #)41-P&lD, Procedure, etc. Responsible Section Supervisor eats

3) May be a statement or conclusion which is only supported by engineering judgment which must be described under basis.

• Signature indicates certification of the accuracy of indicated portions of the document. Document may be certified with comments.

NOTE: Use separate sheet for each sections / organization.

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