ML20087K001

Monthly Operating Rept for July 1995 for Grand Gulf Nuclear Station

ML20087K001
Person / Time
Site:	Grand Gulf
Issue date:	07/31/1995
From:	Htuchinson C, Lin S ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-95-00097, GNRO-95-97, NUDOCS 9508220318
Download: ML20087K001 (5)

Text

h

.4 Ent:rgy Oper"tlin:,Inc.'

ENTERGY eo sox 7se Port Gtson.MS 39150

• Tet 601437 2800 C. R. Hutchinson vce Wesn o '

OpeJ@ars Grarr3 Gun tkctar stain;n August 15, 1995

U.S. Nuclear Regulatory Commission Mail Station P1 137 j 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-95/000 97 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 1 for July 1995.

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

Yours truly,

/. J CRH/TMC attachments: 1. Operating Status

2. Average Daily Power Level

3. Unit Shutdown and Power Reductions cc: (See Next Page) oon4 ... .

4~UAod 9508220318 950731 PDR ADOCK 05000416 1k i R PDR v1 I-

[;

' ~ ~ -

-= ;y

__.v.

s 3

, #' j y;

- _. ~~

( .I August 15,;1995.' -

l- GNRO-95/00097  ;

Page 2 of 3 '

l 1

, - e ..

cc . - Mr. D. C. Hintz (wla) ,

. Mr. R. B. McGehee (w/a) l Mr. N. S. Reynolds (w/a) - .

L Mr. J. E. Tedrow (w/a) . l L Mr. H. L Thomas (w/o) )

Mr. Stewart D. Ebneter(w/a) -i p - Regional Administrator .i U.S. Nuclear Regulatory Commission I Region ll  ;

- 101 Marietta St., N.W., Suite 2900 '

Atlanta, Georgia 30323 Mr. P. W. O'Connor, Project Manager .

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Ma_il Stop 13H3 -

Washington, D.C. 20555 <

i

'g -, vr y .. -. -

- - . . - . . . , ,- - ., r.,y

• Att chment I ts GNRO-95/00097 x DOCKET NO 50-416

. DATE 08/09/95 COMPLETED BY S.D.Un TELEPHONE MQ11437 8793 OPERATING STATUS

1. Unit Name: GGNS UNIT 1

2. Reporting Period: July 1995

3. Licensed Thermal Power (MWt): 3833 MWT ,

4. Nemeplete Rating (Gross MWe): 1372.5 MWE

5. Design Electrical Rating (Not 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 r

11. Hours in Reporting Period 744 5.087 94.503

12. Number of Hours Reactor was Critical 575.8 3.414.9 76.565.9

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 530.3 3.242.7 73.58p ') .

15. Unit Reserve Shutdown Hours 0 0

16. Gross Thermal Energy Generated (MWH) 1.872.266 11.877.020 260.720.5'.i _

17. Gross Electrical Energy Generated (MWH) 610.441 3.865.557 83.187.056 ,

18. Net Electrical Energy Generated (MWH) 585.333 3.708.471 79.694.612

19. Unit Service Factor 71.3 63.8 79.8

20. Unit Availability Factor 71.3 63.8 79.8

21. Unit Capacity Factor (Using MDC Net) 68.8 63.8 77.5

22. Unit Capacity Factor (Using DER Net) 62.9 58.3 70.5

23. Unit Forced Outoge Rate 28.7 12.4 6.7

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: 07/31/95 O 2258

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 l

i l

I I

i i

.. ~ Attichment 2 to GNRO-95/OOO97 2- DOCKET NO 50-416 i

. DATE 08/09/95 COMPLETED BY S. D. Lin ['

TELEPHONE (801) 437-6793 MONTH Juiv 1995 DAY AVERAGE DAILY POWER LEVEL DAY '

AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

.'i 1 1218 17 14 i

2 1213 10 340 ,

3 1035 19 1006 4 0 20 1108 .;

5 101 21 1200 i f

6 954 22 1199 l 7 1150 23 1200 i

8 1180 24 1200 i n I 9 1202 25 1197  !

[

10 1201 26 1199 f

11 1201 27 1199 >

12 103 28 1198  !

13 0 29 1198

.l 14 0 30 598 15 0 31 0 '

l 16 _ 0 .,

-t

, u.~-

~

,=

Attachment 3 to GNRO45/0009,7 UNIT SHUTDOWNS AND POWER REDUCTIONS .

DOCKET NO. 50-416 i

UNIT NAME GGNS Unit 1 DATE 07/06M5 COMPLETED BY S D_ Lin TELEPHONE (601M37-6793 REPORT MONTH . Jolv l'_91_

l No. Date l Type ('l[ Duration Reason Method Of Licensee System Code Component Cause & Corrective Action To Hours (2) Shutting Down Event Report # (4) Code Prevent Recurrence (C&CA)

Reactor (5)

(3)95-007 07/U3NS F 37.7 A 3 LER #95-007 JC TRB- Reactor scram caused by a trip of Main Turbine and Reactor Feedwater Pumps resulting from an invalid reactor-water-level-high trip signal during surveillance of channel "B'.95-008 07/12/95 F I39.9 A 3 LER #95-008 SG COMP Reactor scram caused by a Main Turbine trip on low condenser vacuum resulting from failure of an IIP condenser -

expansionjoint.

954X)9 07/30/95 F 68.4 A 3 LER #95-010 JC XCT Reactor scram caused by failure of a current transformer on 500-kV generator output breaker 15228. I 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-016l)

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) k__-________.__.____.__.mm.__._.____ _ _ _ . ._m-_m __-___z.______.-.r--.u-- .,w=_a

-_ww-_ _-, . - - , - - < - ~e- _~e--+-. - n_ + .__-______mm_ _ ~ _ _ _

• _ _ _ _- . _ _ . _ _ -