ML20210R600

Monthly Operating Rept for July 1999 for Seabrook Station, Unit 1.With

ML20210R600
Person / Time
Site:	Seabrook
Issue date:	07/31/1999
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
AR#98019475, NYN-99076, NUDOCS 9908170157
Download: ML20210R600 (5)

Text

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

Atlantic Seahreot,xi103874 (603) 474-9521 The Northeast Utilities System August 11,1999 Docket No. 50-443 NYN-99076 AR#98019475 .

United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 Seabrook Station July 1999 Monthly Operating Report Enclosed please find Monthly Operating Report 99-07. This report addresses the operating and shutdown experience relating to Seabrook Station Unit i for the month of July,1999 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Should you require further infonnation regarding this matter, please contact Mr. James M. Peschel, Regulatory Compliance Manager, at (603) 773-7194.

Very truly yours, NORTil ATLANTIC ENERGY SERVICE CORP.

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'tatio )irector CC:

11. J. Miller, NRC Region 1 Administrator J. T. Ilarrison, NRC Project Manager, Project Directorate 1-2 I

R. K. Lorson, NRC Senior Resident inspector l

9908170157 990731 l PDR R ADOCK 05000443 pop

OPERATING DATA REPORT f

d DOCKET NO. 50-443 UNIT Seabrook I DATE August 1,1999 COMPLETED BY P.E. Nardone TELEPlIONE (603) 773 7074 OPERATING STATUS

1. Umt Name: Seabrook Station Umt 1

2. Reporting Perax!: JULY 1999

3. Licensed Thermal Power (MWO: 3411.0

4. Nameplate Rating (Gross MWe): 1242.0

5. Design Electrical Ratmg (Net MWe): 1148.0 6 Maumum Dependable Capacity (Gross MWe); 12N.0

7. Maximum Dependable Capacity (Net MWe): 1155.3

8. If Changes Occur in Capacity Ratings (Irems Number 3 through 7) Since Last Not Apphcable 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 Cumulatne

11. Ilours in Reportmg Period 744.0 5087.0 1121N 0

12. Number of Ilours Reactor was Critical 744.0 3992.9 68055.8

13. Reactor Reserve Shutdown Ikmrs 0.0 0.0 953.3

14. Ikiurs Generator On-Line 744.0 3892.6 65419.8

15. Unit Reserve Shutdown llours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWil) 2537590 13036536 2171 % 909

17. Gross Elec. Energy Generated (MWil) 899371 4607421 75 % 5368

18. Net Electrical EnerFy Generated (MWII) 863930 4427310 730133 %

• 19. Unit Service Factor 100.0 76.5 81.7

• 20. Unit Availabihty Factor 100.0 76.5 81.7

• 21. Unit Capacity Factor (Using MDC Net) 100.5 75.2 79.6

• 22. Umt Capacity Factor (Using DER Nc0 101.1 75.8 79.9

• 23. Umt Forced Outage Rate 0.0 1.2 7.0

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, Non Scheduled and Duration of Each):

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

• NOTE:

• Cumulative" values based en total hours starting 8/19/90, date Regular Full Power Operation beFan.

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

Updated item 4 per NUREG-0020 in July 1998.

Decreased MDC value (Item 7) startmg 06/01/99 1 of 4

I a AVERAGE DAILY UNIT POWER LEVEL i

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DOCKET NO. 50443 4 I UNIT Seabrm k I DATE August 1,1999 COMPLETED BY P.E. Nardone TELEPIIONE (603) 773-7074 I

MONTil JULY, 1999 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

I 1161 17 1161 2 1161 18 1161 3 1161 19 1161 J 4 1161 20 1161 5 1161 21 1161 6  !!62 22 1161 1 7 1162 23 1161 1 8 1161 24 1161 9 1161 25 1161 10 1162 26 1161 11 1162 27 1160 12 1162 28 1161 13 1161 29 1161 14 1161 30 1161 15 1161 31 1161 16 1161 -

INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting nmnth. Compute to the nearest whole rnegawatt.

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REFUELING INFORMATION REQUEST g i DOCKET NO. 50-443 UNIT Seabnx>k i DATE August 1. IVN COMPLETED BY P.E. Nardone l TELEPilONE WB) 773-7074 l

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1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 7, 10/21/00 i

3. Scheduled date for restart following refueling: Refueling Outage 7,11/24/00 [ 35 days ]

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

N/A )

5. Schedule date(s) for submitting licensing action and supporting information: j 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) 456 (c) 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 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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