ML20248L281

Monthly Operating Rept for Feb 1998 for Seabrook Station, Unit 1

ML20248L281
Person / Time
Site:	Seabrook
Issue date:	02/28/1998
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-98035, NUDOCS 9803190255
Download: ML20248L281 (5)

Text

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1 North North Atlantic Energy Service Corporation P.O. Box 300

',ys Atlantic seahroet. Nn 03874 d

(603) 474-9521 The Northeast Utilities System March 13,1998 Docket No. 50-443 NYN-98035 i

United States Nuclear Regulatory Commission  !

Attention: Document Control Desk i Washington, DC 20555-0001  !

Seabrook Station i Monthly Ooerating Report Enclosed please find Monthly Operating Report 98-02. This report addresses the operating and  ;

shutdown experience relating to Seabrook Station Unit 1 for the month of February,1998 and is l submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Should you require further information regarding this matter, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.

Very truly yours, l NORTH ATLANTIC ENERGY SERVICE CORP.  !

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William A. Q#fio i

l Station Director cc: H.J. Miller, RegionI Administrator i C. W. Smith, NRC Project Maiager, Project Directorate 1-3 R. K. Lorson, Senior Resident Inspector, Seabrook Station 9 8 0 3 1 9 0 2 5 5 9 8 0 2 2 8 "^

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OPERATING DATA REPORT DOCKET NO. 50-443 UNIT SeabrookI DATE March 1,1998 COMPLETED BY P.E. Nardone TELEPHONE (603) 773-7074 OPERATLNG STATUS

1. Unit Name: Seabrook Station Umt 1

2. Reporting Period: FEBRUARY 1998

3. Licensed Thermal Power (MWt): 3411

4. Nameplate Rating (Gross MWe'J: 1197

5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1204

7. Maximum Dependable Capacity (Net MWe): 1158

8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Not Applicable Report, Give Reasons:

9. Power level To Which Restricted, If Any (Net MWe): None

10. Reasons For Restrictions, If Any: Not Applicable This Month Yr-to.Date Cumulative

11. Ilours in Reporting Period 672.0 1416.0 99673.0

12. Number of Ilours Reactor Was Critical 672.0 1052.2 57715.7

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3

14. 11ours Generator On-Line 672.0 1022.5 55253.9

15. Unit Reserve Shutdown Ifours 0.0 0.0 0.0

16. Gross Hermal Energy Generated (MWH) 2291800 3449271 182907353 17, Gross Elec. Energy Generated (MWil) . 809650 1214602 63855511

18. Net Electrical Energy Generated (MWH) 779146 1168117 61365771

• 19. Unit Service Factor 100.0 72.2 81.6

• 20. Unit Availability Factor 100.0 72.2 81.6

• 21. Unit Capacity Factor (Using MDC Net) 100.1 71.2 79.3

• 22. Unit Capacity Factor (Using DER Net) 101.0 71.9 79.6

• 23. Unit Forced Outage Rate 0.0 27.8 6.4

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, None Scheduled and Duration of Each):

25. If Shut Down At End Of Report Period. Estimated Date of Not Applicable Startup:

• NOTE: ' Cumulative" values based on total hours startmg 8/19/90, date Regular Full Power Operation began.

Increased MDC values (ltems 6 & 7) starting 12/01/95.

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, , AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 UNIT Seabrook1 DATE March 1,1998 COMPLETED BY P.E. Nar&me TELEPilONE (603) 773-7074 MONTil FEBRUARY 1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1159 17 1159 2 1859 18 1159 3 1160 19 1160 4 1159 20 1160 5  !!60 21 1160 6 1859 22 1160 7 1159 23  !!60 8 1159 24 1160 9 1159 25 1160 I 10 1159 26 1160 11 1159 27 1159 12 1160 28 1159 .

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I 16 1159 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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REFUELING INFORMATION REQUEST DOCKET NO. 50443 UNIT Seabrook1 DATE March 1,1998 COMPLETED BY P.E. Nardone TELEPIIONE (603) 773-7074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 6, . 03/06/99

3. Scheduled date for restart following refueling: Refueling Outage 6, 04/14/99 [ 40 days ]

4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? l N/A

5. Schedule date(s) for submitting licensing action and supporting information:

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:

N/A

7. The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b) J7L (c) 4

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 num*>er 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 ofiload capability.

The current licensed capacity is adequate until at least the year 2010.

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