ML20217H284

Monthly Operating Rept for Sept 1999 for Seabrook Station. with

ML20217H284
Person / Time
Site:	Seabrook
Issue date:	09/30/1999
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-99095, NUDOCS 9910220092
Download: ML20217H284 (5)

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"%., North Atlantic Energy Senice Corporation gg}g l'.O. Ilox 300 3

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. Atlantic . Sealerook. Nil 03874 (60334749321 The Northeast Utilities Sptem October 14,1999 Docket No. 50-443 NYN-99095 l

' United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 i

Seabrook Station I September 1999 Monthly Operating Report Enclosed please find Monthly Operating Report 99-09. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of September,1999 and is 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. James M.

Peschel, Regulatory Compliance Manager, at (603) 773-7194.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

bhiJAL W. A.T5iFrolio ~f Station Director

. cc:

11. J. Miller, NRC Region I Administrator J. T. Harrison, NRC Project Manager, Project Directorate 1-2 f l R. K. Lorson, NRC Senior Resident Inspector /

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OPERATING DATA REPORT

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• DOCKETNO. 50443 UNIT Seabrook i DATE October 1,1999 i ,

COMPLETED BY P.E. Nardone j TELEPl:ONE (603) 773-7074 I

OPERATING STATUS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: SEFFEMBER 1999

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross MWe): 1242.0

5. Design Elect.ical Rating (Net MWe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1248.0

' 7. Maximum Dependable Capacity (Net MWe): 1155.3

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

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 720.0 6551.0 113568.0

12. Number of flours Reactor Was Critical 720.0 5456.9 69519.8 I

13. Reactor Reserve Shutdown flours 0.0 0.0 953.3 l

14. 11ours Generator On-Line 720.0 5356.6 66883.8

15. Unit Reserve Shutdown llours - 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWil) 2455221 18029347 222189721

17. Gross Elec. Energy Generated (MWII) 868525 6374402 77732348

18. Net Electrical Energy Generad (MWil) 834378 6124816 74710902

• 19. Unit Service Factor 100.0 81.8 82.0 l

• 20. Unit Availability Factor 100.0 81.8 82.0

• 21. Unit Capacity Factor (Using MDC Net) 100.3 80.8 80.0

• 22. Unit Capacity Factor (Using DER Net) 100.9 81.4 80.3

• 23. Unit Forced Outage Rate 0.0 0.9 6.8

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 Applicable Startup:

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

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

Updated item 4 per NUREG4)020 in July 1998.

Decreased MDC value (Item 7) starting 05/01/99 1 of 4

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 UNIT SeabrookI DATE October 1,1999 COMPLETED BY P.E. Nardone TELEPl(ONE (603) 773-7074 MONDI SEPTEMBER,1999 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1157 17 1157 2 1158 18 1159 3 1159 19 1158 4 1159 20 1158 5 1159 21 1159 6 1159 22 1158 7 1159 23 1158 8 1159 24 1159 9 1160 25 1160 10 1160 26 11(4 11 1160 27 1160 .

1 12 1159 28 1160

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13  !!59 29 1160 1 14 - 1159 30 1160 15 1159 -

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16 1158 -

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INSTRUCTIONS i On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Computt to the nearest whole megawatt.

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(, 3- RUFUELING INFORMATION REQUEST DOCKET NO. SM43 UNIT Seabrook 1 DATE October 1.1999 COMPLETED BY P.E. Nardone

, TELEPIIONE (603) 773-7071

'l. ;Name of Facility: Seabrook Unit 1

2. 1 Scheduled date fer next refueling shutdown: ' Refueling Outage 7,10/21/00-

'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?

YES: .LAR 99-02, " Operation with Relaxed Axial Offset Control and Continued Use of the Fixed Incore Detectors."

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

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October 1999

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

LAR 99-02 proposes Technical Specification changes to operate Seabroo!: Station with:

a) Upgraded Westinghouse Fuel Design with Intermediate Flow Mixers (VANTAGE + w/lFMs).

- b) Safety analysis jointly supplied by Westinghouse and Duke Engineering Services.

c) _ Westinghouse Relaxed Axial Offset Control (RAOC) using the Fixed Incore Detection System.

. 7. l 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)' 452 (c) 0

8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed t.orage 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 assumlag the present licensed capacity:

, Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full

[  ! core offload capability.

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

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