ML20062N814
| ML20062N814 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 12/31/1993 |
| From: | Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NYN-94006, NUDOCS 9401240082 | |
| Download: ML20062N814 (5) | |
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I P.O. Box 300 Od; seabrook. "" 03874 Telephone (603)474-9521
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Facsimile (603)474-2987 Energy Service Corporation Ted C, Feigenbaum
.j Senior Vice President and Chief Nuclear Officer NYN- - 94006 January 12,1994 United States Nuclear Regulatory Commission i
Washington, DC 20555
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Attention:
Document Control Desk
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Reference:
Facility Operating License NPF-86, Docket No. 50-443
Subject:
Monthly Operating Report j
Gentlemen:
Enclosed please find Monthly Operating Report 93-12. This report addresses the operating and i
shutdown experience relating to Seabrook Station Unit I for the month of December,1993 and is j
submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.
i Very truly yours, Ted C. Feigen aum t
Enclosure i
cc:
Mr. Thomas T. Martin R
Regional Administrator j
United States Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Mr. Albeit W. De Agazio, Sr. Project Manager i
Project Directorate 1-4 i
I Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Antone C. Cerne NRC Senior Resident Inspector P.O.11ox 1149 Seabrook, Nll 03874 I
a member of the Northeast Utilities system 1
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9401240002 931231
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PDR ADDCK 05000443 J
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f OPERATING DATA REPORT.
DOCKET NO. 50-443'
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UNIT Seabrook 1 DATE 01/12/94 COMPLETED BY P. E. Nardono TELEPHONE (603) 474-9521 Ext. 4074 L
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OPERATING STATUS 1.
Unit Name:
Seabrook Station Unit 1 i
2.
Reporting Period:
DECEMBER 1993 3.
Licensed Thermal Power (MWt):
3411
-l 4.
Nameplate Rating (Gross MWe):
1197 5.
Design Electrical Rating (Net MWe):
1148 6.
Maximum Dependable Capacity (Gross MWe):
1200 i
7.
Maximum Dependable Capacity (Net MWe):
1150
'j 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7)
Since Last Report. Give Reasons:
Not Acolicable 9.
Power level To Which Restricted. If Any:
None
- 10. Reasons for Restrictions. If Any:
Not ADDlicable
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This Month Yr.-to-Date Cumulative
- 11. Hours in Reporting Period 744.0 8760.0
'63193.0 12, Number Of Hours Reactor Was Critical 744.0 8203.7 27707.1
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3
- 14. Hours Generator On-Line 744 0,_
8096.3 25677.2
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 2502022 26908890 83432447
- 17. Gross Elec. Energy Generated (MWH) 872013-9412106
-28973743
- 18. Net Electrical Energy Generated (MWH) 838053 9046805-27823618
- 19. Unit Service Factor 100.0 92.4 82.3
- 20. Unit Availability Factor 100.0 92.4 82.3
- 21. Unit Capacity Factor.(Using MDC Net) 97.9 89.8-78.9
- 22. Unit Capacity Factor (Using DER Net) 98.1 90.0 79.0
- 23; Unit forced Outage Rate 0.' O 7.6 6.2
- 24. Shutdowns Scheduled Over Next.6 Months (Type Date, and Duration of Each):
REFUEllNG. 03/26/94. % DAYS
- 25. If Shut Down At End Of Report Period. Estimated Date Of Startup: Not Anolicable
- NOTE:
" Cumulative" values based on total hours starting 08/19/90. date Regular Full Power Operation began.
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443-UNIT Seabrook 1 DATE 01/12/94 j
COMPLETED BY P. E. Nardone i
TELEPHONE (603) 474-9521 Ext. 4074 l
MONTH DECEMBER. 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL j
(MWe-Net)
(MWe-Net) i 1
1152 17 1050 i
2 1152 18 1039 3
1152 19 1038 i
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1151 20 1039 5
1140 21 1055 6
1152 22 1117 7
1152 23 1145 q
8 1153 24 1146
-9 1152 25 1146 10 1153 26-1146 11 1153 27 '
1146 12 1153 28 1145 13-1153 29 1145 14 115?
30 1146 15 1124 31 1139 j
16 1033 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50 443 UNIT Seabrook 1 DATE 01/12/94 REPORT MONTH DECEMBER. 1993 COMPLETED BY P. E. Nardon'e TELEPHONE (603) 474-9521-Ext. 4074 No.
Date Type' Duratian Reason?
Method of Licensee Cause & Corrective (Hours)
Shutting Event Action to l
3 Down Reactor Report #
Prevent Recurrence Page 1 of 1 93-07 12/15/93 F
0 A
.5 N/A External counterweight found detached from disc on extraction steam non-return check valve EX-V2. This extraction line supplies Feedwater heater 26A; Power reduced to 93% to evaluate repair. Decision made to isolate extraction line for remainder of cycle. Power returned to 100% RTP on 12/21/93 with a slight decrease in efficiency.
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F: Forced Reason:
Method:
S: Scheduled.
A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued from l
E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction
'G-Operational Error (Explain)
(Duration m.0)
H-Other (Explain).
9-Other (Explain) i 3 of 4 f
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t DOCKET NO.-50-443 UNIT Seabrook 1 DATE 01/12/94
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COMPLETED BY P. E. Nardone
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TELEPHONE (603) 474-95?1 Ext. 4074 PEFUflING INFORMA110N RE0 VEST i
- 1. Name of facility: Seabrook Unit 1
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- 2. Scheduled date for next refueling shutdown:
Refueling Outage 3. 03/26/94 1
- 3. Scheduled date for restart following refueling:
Refueling Outage 3. 05/20/94 l
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- 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
No
- 5. Scheduled date(s) for submitting licensing action and supporting information:
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f N/A 6.
Important licensing considerations associated with refueling e.g.
new or different fuel design or supplier, unreviewed design or performance analysis methods.-significant changes in fuel design. new operating procedures-l None t
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- 7. The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:
(a) In Core:
193 (b) 136 8.
The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned in number of fuel-assemblies:
Present licensed capacity: 1236 No increase in storage capacity requested or planned.
- 9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:
Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full core offload capability, The current licensed capacity is adequate until at least the year.2010.
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