AECM-88-0076, Monthly Operating Rept for Mar 1988

Monthly Operating Rept for Mar 1988

ML20151F953
Person / Time
Site:	Grand Gulf
Issue date:	03/31/1988
From:	Hobbs S, Kingsley O SYSTEM ENERGY RESOURCES, INC.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
AECM-88-0076, AECM-88-76, NUDOCS 8804190089
Download: ML20151F953 (5)

Text

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h DOCKET NO.

50-416 DATE 04/14/88 COMPLETED BY S. H. Hobbr, YELEPHONE (601)984-9211 OPERATING STATUS 1.

Unit Name: GGNS UNIT 1 l Notes:

l 2.

Reporting Period:

March 1988 l

l 3.

Licensed Thermal Power (MWt): 3833 MWt l

l 4.

Nameplate Rating (Gross MWe): 1372.5 MWe l

l 5.

Design Electrical Rating (Net MWe): 1250 MWe l

l 6.

Maximum Dependable Capacity (Gross MWe): 1190 MWe l

l 7.

Maximum Dependable Capacity (Net MWe): 1142 MWe l

l

.8.

If Changes occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

N/\\

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 744.0 2,184 30,202

12. Number of Hours Reactor Was Critical 727.3 1,969.9 21,522.0

13. Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On-Line 714.8 1,839.5 20,017.0

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (HWH) 2,635,918

_6,618,385 62,595,482 l

17. Gross Electrical Energy Generated (MWH) 869,520 2,199,130 19,369,960

18. Net Electrical Energy Generated (MWH) 835,623___

2,112,074 18,412,831 l

19. Unit Service Factor 96.1 84.2 70.3

20. Unit Availability Factor 96.1 84.2 70.3 4

21. Unit Capacity Factor (Using KDC Net) 98.3 84.7 61.4

22. Unit Capacity Factor (Using DER Net) 89.9 77.4 55.0

23. Unit Forced Outage Rate 3.9 10.7 7.3

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

N/A

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

N/A

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

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

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DOCKET NO. 50-416 UNIT 1

DATE 04/14/88 COMPLETED BY S. H. Hobbs TELEPHONE 601-984-9211 MONTH March 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)-

1 1223 17 840 2

1219 18 1038 4

3 1213 19 1178 4'

1237 20 1153 5

1220 21 1211

-6 1236 22 1211 7

1212 23 1216 8

1172 24 1203

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-9 1214 25 1202 10 1228 26 1177 11 1225 27 1221 12 891 28 1212 13 1185 29 1194 14 1247 30 1224 15 512 31 1213 16 89 f

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1 J16AECM88040701 - 4

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-416 UNIT NAME 1

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DATE 04/14/88 L

COMPLETED BY S. H. Hobbs TELEPHONE 601-984-9211 REPORT MONTH March 1988 I

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l l Method of l Licensee l

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Cause & Corrective l

l No. I Date l Type IDurationi Reason l Shutting Down! Event l System l Component l Action To l

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l (1) l Hours l

(2) 1 Reactor l Report # l Code l

Code l

Prevent Recurrence i

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(4) l (5) l l

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NA l

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NA l Control Rod Sequence Exchange l

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l l88-4 13/15/88 l F l

29.2 l

A l

3 l

88-010 l

JC l

l The reactor scrammed on low water l i

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l l 1evel during the monthly channel l

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l l functional surveillance for the l

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l l instrumentation. A loose l

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l connection in a Reactor Protection l l

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l System (RPS) terminal box l

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l l deenergized 29 group 3 scram l

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l l pilot solenoids. When a planned l l

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l half scram signal, required by thel i

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1 2

3 4

F: Forced Reason:

Method:

Exhibit G - Instructions S: Scheduled A-Equipment Failure 1-Manual for Preparation of Data (Explain) 2-Manual Scram Entry Sheets for Licensee B-Maintenance or Test 3-Automatic Scram Event Report (LER) f C-Refueling 4-Continued File (NUREG-0161)

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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)

J16AECM88040701 - 5

l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-416 UNIT NAME 1

DATE 04/14/88 COMPLETED BY S. H. Hobbs TELEPHONE 601-984-9211 REPORT MONTH March 1988 l

l l

l l

l 1

I l

1 l

l l

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l l Method of l Licensee l

l l

Cause & Corrective l

l No. I Date l Type lDurationi Reason IShutting Downl Evert l System l Component l Action To l

l l

l (1) l Ifours l

(2) l Reactor l Report #

l Code l Code l

Prevent Recurrence

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(4) l (5) l l

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l l88-4 l l

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l surveillance procedure, was l

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l initiated, 29 of the group 3 l

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l l control rods received a full scraml l

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l signal and fully inserted. The l

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l l resulting sudden void collapse l

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l 1evel. The connections in the l

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F: Forced Reason:

Method:

Exhibit G - Instructions S: Scheduled A-Equipment Failure 1-Manual for Preparation of Data (Explain) 2-Manual Scram Entry Sheets for Licensee j

l B-Maintenance or Test 3-Automatic Scram Event Report (LER)

C-Refueling 4-Continued File (NUREG-0161)

D-Regulatory Restriction 5-Reduced load E-Operator Training &

6-Other Licensing Examination F-Administrative 5

l G-Operational Error Exhibit 1-Same Source (Explain) l H-Other (Explain) i i

J16AECM88040701 - 6 l

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EVETEM ENERGY REEDtAKEE, INC.

OuwoD Kmnv 5 gg.

April 14, 1988 U. S. Nuclear Regulatory Comission Washington, D. C.

20555 Attention:

Document Control Desk Gentlemen:

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-29 Monthly Operating Report AECM-88/0076 In accordance with the requirement of Technical Specification 6.9.1.10, System Energy Resources, Inc. (SERI) is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit I for March,1988 (attachment).

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

You s ruly, 1

ODK:bms

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Attachment cc: Mr. T. H. Cloninger (w/a)

Mr. R. B. McGehee (w/a)

Mr. f:

S. Reynolds (w/a)

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

Mr. R. C. Butcher (w/a)

Dr. J. Nelson Grace, Regional Administrator (w/a)

U. S. Nuclear Regulatory Commission Region II 101 Marietta St., N.

W., Suite 2900 Atlanta, Georgia 30323 Mr. L. L. Kintner, Project Manager (w/a)

[</l Office of Nuclear Reactor Regulation

}

U. S. Nuclear Regulatory Comission Mail Stop 14B20 I 5 Washington, D.C.

20555 i

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