ML20072S572
| ML20072S572 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 03/31/1991 |
| From: | Feigenbaum T, Nardone P PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NYN-91057, NUDOCS 9104160352 | |
| Download: ML20072S572 (6) | |
Text
_. _
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.* s New. Hampshire T
Ted C. Feigenbovm hh-President and-Chief Esecutive Officer NYN. 91057.
April 12,' 1991 United States' Nuclear Regulatory Commission Washington, DC 20555 Attentior:
Document Control Desk l~
Reference:
Facility ' Operating License NPF 86, Docket No. 50 443
Subject:
Monthly Operating-Report Gentlemen:
Enclosed please find Monthly Operating Report-9103. This report addresses-the, J
operating and ' shutdown experience relating to -Seabrook Station Unit -1' for. the month of.
March,1991 and is submitted in accordance with 'the -requirements of Seabrook -Station -
Technical Specification 6.8.1.5.
Very truly. yours,
- T l
l Enclosure (s)
TCF:WJT/ tad cc:
~ Mr. Thomas T. Martin Regional Administrator United States Nuclear Regulatory Commission.
Region 1 475 Allendale Road.
King of Prussia, PA 19406 Mr. Gordon E. Edison, Sr. Project Manager
~
t Project Directorate-l 3 Division of-Reactor-Projects U.St Nuclear Regulatory Commission
-i Washington, DC, 20555 Mr. Noel Dudley-NRC Senior. Resident' Inspector P.O.~ Box 1149 Seabrook, NH 03874
/
9104160352 910331 PDR ADOCK 05000443 R
PDR New Hampshi_re Yankee Division of Public Service Company of New Hampshire
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P.O. Box 300
- Seabrook,' NH 03874
- Telephone (603) 474 9521-
New Hampshire Yankee 4
April 12,1991 1
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i KNCLOSURE 1 TO NYN-91057 t
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'l OPERATING DATA REPORT DOCKET NO.
50-443 UNIT Seabrook 1 DATE 04/12/91 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)
OPERATING STATUS i
1.
Unit Name.
Seabrook Station Unit 1 2.
Reporting Period:
MARCH 1991 3.
Licensed ' thermal Power (Wt):
3411 4.
Nameplate Rating (Gross We):
1197 5.
Design Electrical Rating (Net We):
1148 6.
Maximum Dependable Capacity (Gross We):
1200 7.
Maximum Dependable Capacity (Not MWe):
1150 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through-7)
Since Last Report, Give Reasons:
Not Anolicable 9.
Power Level To Which Restricted, If my:
None
- 10. Reasons For Restrictions, If Any:
Not Anolicable v
This Month Yr.-to-Date Cumulative
- 11. Hours In Reporting Period 744.0 2160.0 39049.0
- 12. Number Of Hours Reactor Was Critical 707.8 2099.8 7819.1
- 13. Reactor Reserve Shutdown Hours OA_
0.0 953.3
- 14. Hours Generator On-Line 707.8 2088.1 6215,5
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 2355827 6561223 19161549
- 17. Gross Elec. En'rgy Generated (MWH) 824741-2284633 6556550 e
- 18. Net Electrical Energy Generated (MWH) 792397 2189445 6283443
- 19. Unit Service Factor 95.1 96,7 90.0
- 20. Unit Availability Factor 95.1 9 6. 7___
90.0
- 21. Unit Capacity Factor (Using MDC Net) 92.6 88.1 84.7
- 22. Unit Capacity Factor (Using DER Net) 92.8 88.3 84,9 h
- 23. Unit Forced Outage Rate 4.9 3.3 10.0
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
REFUELING. 07/27/91. 67 DAYS
- 25. If Shut Down At End Of Report Period, Estimated Date Of Startup:
04/06/01 a
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- NOTE: Values based on accumulated hours starting 08/19/90, date Regular Full P)wer Operation began.
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s AVERAGE DAILY UNIT POWER LEVEL DOCl"ET NO.
50-443 UNIT Seabrook 1-DATE 04/12/91 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)
MONTH MARCH. 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net)-
f 1
344 16 1150 2
1085 17 1150 3
1152 18 1151 4
1151 19 1150 5
1151 20 1150 i
6 1151 21 1149 7
1151
- 22 1148 8
1150 23 1148' 4-9 1150 24 1148-10 1150 25 1148 4
11 1147 26 1147 12 1147 17' 1148 7
I 13 1146 28 1148 14 1147 29 1148 15 1147 30 562 31 0
INSTRUCTION.9 On this format, list the average daily unit power level in MWe-Net for each day. in the -
reporting month.
Computa to the nearest whole megawatt.
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A UNIT SHUTDOWNS AND POWER REDUCTIONS DOCEET NO.30-443 UNIT Seabrook 1 DATE 04112191 REPORT MONTH MARCH. 1991 COMPLETED BT P. Nardone TELEPHONE (603) 474-9521
( Es t. 4074)
No.
Date Type Duration Reason Method of Licensee Cause & Corrective l
2 (Hours)
Shutting Event Action to 3
Down Reactor Report i Prevent Recurrence Page 1 of 1 91-02 03/01/91 F
0 F
4 N/A Steam generator chemistry out of specification (Action Level II) required power reduction to 302 RTP.
Retczned to full power operation on 03/02/91.
91-63 03/30/91 F
36.2 A
2 91-002 Manual trip fue to turbine runback and failure of condenser steam dumps eo open.
See LER 91-002 for information on root cause and corrective action.
1 2
3 F: Forced Reason:
Method:
S: Scheduled A-Equipment Failure (Explain)
'l-Manual B-Maintenance or Test 2-Manual Scrum C-Refueling' tomatic Scram D-Regulatory Restriction 4-Contir.aed from E-Operator Training & License hamination previous month F-Administrative 5-Power Reduction G-Operational Error (Explain)
(hre tion - 0)
H-Other (Explain) 9-Other (Explain)
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DOCKET NO.
50-443 UNIT Seabrook 1 DATE 04/12/91 COMPLETED BY _P. Hardone TELEPHONE (603) 474-9521 (Ext. 4074)
REFUELING INFORMATION REQUEST
- 1. Name of facility:
Seabrook Unit 1
- 2. Scheduled date ! r. ext refueling chutdown:
07/27/91
- 3. Scheduled date for restart following refueling:
10/02/91
- 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
Ye*,, the removal of the Residual Heat Removal System Autoclosure Interlock
- 5. Scheduled date(s) for submitting licensing action and supporting information:
New Hampshire Yankee Letter NYN-91011, submitted on January 24, 1991
- 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:
None
- 7. The number of fuel assemblies (a) in the core and (b) in the spent N
fuel storage pools (a) In Core 193 (b) 0
- 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 capac'ty:
1236 No increase in storage capacity requested or planned.
- 9. The projected dste 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 sixteen i
refuelings and full core offload capability.
The current licensed capacity is adequate until at least the.
year 2014.
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