ML20082S706
| ML20082S706 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf |
| Issue date: | 08/31/1991 |
| From: | Cottle W, Daughtery L ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| GNRO-91-00164, GNRO-91-164, NUDOCS 9109170251 | |
| Download: ML20082S706 (6) | |
Text
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W Entergy
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L Operations L-W. ). Cottle September 12, 1991 U.S. Nuclear Regulatory Commission Mail Station Pl-137 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-91/00164 Gentlemen:
In accordance with the requirement of Technical Specification 6.9.1.10, Entergy Operations is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for August 1991 (attachment).
If you have any questions or require additional information, please contact this office.
Yours truly, wt w-WTC/TKM/cg attachments: 1.
Operating Status 2.
Average Daily Power Level 3.
Unit Shutdowns and Power Reductions cc:
(See next page)
N 9109170251 910831 PDR ADOCK 03000416 R
PDR M00PAUG - 1 TGW 19
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i September 12, 1991 G!.RO-91/00164 Page 2 of 3 cc:
Mr. D. C. Hintz (w/a)
Mr. J. L. Mathis (w/a)
Mr. R. B. McGehee (w/a)
Mr. N. S. Reynolds (w/a)
Mr. H. L. Thomhs (w/o)
Mr. Stewart D. Ebneter (w/a)
Regional Administrator U.S. Nuclear Regulatory Commission Region II 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30323 Mr. P. W. O'Connor, Project Manager (w/a)
Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 13H3 Washington, D.C.
20555 M00PAUG - 2 to GNRO-91/00164 DOCKET NO.
50-416 DATE 097D9/91 COMPLETED BY L. f. Daughtery TELEPHONE (601)437-2334 OPERATING STATUS 1.
Unit Name: GGNS UNIT 1 l Notes:
1 2.
Reporting Period:
August 1991 3.
Licensed Thermal Power (MWTJi 3833 MWI 4.
Nameplate Rating (Gross MWE): T172.5 MWE 5.
Design Electrical Rating (Net MWe): 1250 MWE 6.
Maximum Dependable Capacity Gross MWe): 1190 MWE 7.
Maximum Dependable Capacity Net MWe): Il4TMWE l
8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report.
Give Reasons:
N/A 9.
Power Level To Which Restricted, in 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 60,153
- 12. Number of Hours Reactor Was Critical 639.6~
5,401.3 4'/,368.1
- 13. Reactor Reserve Shutdown Hours 0
0 0
~
- 14. Hours Generator On-Line 639.0 5,303.6 45,317.3
- 15. Unit Reserve Shutdown Hours 0
0 0
- 16. Gross Thermal Energy Generated (MWH) 2,023,663 19,230,091 TBT l38 162
- 17. Gross Electrical Energy Generated (MWH) 633,433_.
6,138,791 1 zf07,305 u
- 18. Net Electrical Energy Generated (MWH) 603,705 5,88h663 47,026,662
~
- 19. Unit Service Factor 76.4 89.7
- 20. Unit Availability Factor 76.4 89.7 78.0 78.0
- 21. Unit Capacity Factor (Using MDC Net) 71.0 88.3 73.8
- 22. Unit Capacity Factor (Using DER Net) 64.9 80.7 66.9
- 23. Unit Forced Outage Rate 23.64 10.26 6.7
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
None
- 25. If Shut Down At End of Report Period.
Estimated Date of Startup:
NA
- 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 i
M00PAUG/SCMPFLR
F--.
i Attachmerit 2 to GNRO-91/00164 i
DOCKET NO.
50-416 UNIT 1
DATE L' W 9/91 COMPLETED BY
.L. f. Daugt niter ~
TELEPHONE 601-437-2334 MONTH August 1991 DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1 0
17 1148.9 2
0 8
1157.3 3
0 19 1158.5 4
0 20 1165.1 5
0 21 1172.7 6
1.5 22 1164.9 7
503.3 23 1163.9 8
1017.2 9
24 1130.7 1081.3 25 1162.6 10 900.4 26 1159.8 11 0
27 1160.3 12 285.3 28 1156.7 13 998.4 29 14 1154.8 1095.4 30 1049.2 15 1162.5 16 31 1158.0 971.9 0
M00PAUG/SCMPFLR
,. to GNRO-91/00164,.
UNIT SHUTDOWNS AND POWER REDL'CTIONS DOCKET NO.
50-416 UNIT NAME 1
DATE 09/09/91 COMPLETED BY' L. F. Daughtery TELEPHONE 601-437-2334 REPORT MONTH August 1991 l
)
l Method of l Licensee l
l Cause & Corrective l
No.
Date l Type Duration'. Reason : Shutting Down!
Event l System
' Component }
Action To l
l l (1)
Hours (2)
Reactor i Report #
l Code l
Code.
l Prevent Recurrence l
1 (3)
(4) l (5) l (C&CA) l l
l l
l 1
l l
l91-l08/01/91l F
140.2 A
l 4
91-007 EB EIC l Continued outage from last month.l l009 l
l l
3 l
l Reactor scram from Turbine j
l l
l l
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l l Control Valve (TCV) fast closure'l l
l l
l l
l l due to loss of power to the l
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turbine control fluid pumps (EHC l l
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l pumps). The loss of power l
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l l resulted from an inadvertent l
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Division II LSS load shed.
l l
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l
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l The power supply to BOP optical l
l l
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l isolators was changed from 15v l
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l DC supply to the 24v DC supply.
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j This will prohibit inadvertent l
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actuation of the BOP output l
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l relays.
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I I
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l l91-l08/10/91 F
l 35.7 H
l 3
91-010 l
IG l
DET i Reactor scram caused by a l
010 l
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l lightning induced spike on APRMs l l
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The lightning dissipation system j l
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l was evaluated and will.be l
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l i
updated.
l M00PAUG/SCMPFLR a
, t'o-
- GNRO-91/00164,.
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-416 UNIT NAME 1
DATE 09/09/91 COMPLETED BY L. F. Daughtery TELEPHONE 601-437-2334 REPORT MONTH August 1991 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)
C-Refueling-4-Continued File (NUREG-0161)
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)
M00PAUG/SCMPFLR