ML20085D853

Monthly Operating Rept for May 1995 for Seabrook Station Unit 1

ML20085D853
Person / Time
Site:	Seabrook
Issue date:	05/31/1995
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-95050, NUDOCS 9506160372
Download: ML20085D853 (5)

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L North Atlantic Energy Service Corporation h-s Nort11 y.O. 3o,300  ;

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Atlantic Seabrook, NII 03874 (603)474-95':1, Fa,(603)474-2987 j

The Northeast Utilities System Ted C. Feigenbaum {

NYN- 95050 Senior Vice President &

Chief Nuclear Officer l June 12,1995 United States Nuclear Regulatory Commission j Washington, DC 20555 I

Attention: Document Control Desk

Reference:

Facility Operating License NPF-86, Docket No. 50-443 I i

Subject:

Monthly Operating Report Gentlemen:  !

Enclosed please find Monthly Operating Report 95-05. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of May,1995 and is submitted in  ;

accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5. >

Very t yours,  ;

A$' h '

Ted C. Feigenba Enclosure cc: Mr. Thomas T. Martin Regional Administrator United States Nuclear Regulatory Commission

. Region 1 475 Allendale Road ,

l King of Prussia, PA 19406 Mr. Albert W. De Agazio, Sr. Project Manager Project Directorate 1-4 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 j i

Mr. John B. Macdonald  ;

NRC Senior Resident inspector PO Box 1149  !  !

Seabrook, Nil 03874 I 9506160372 950531 p ADOCK 05000443 I PDR '

R PDR , ,

OPERATING DATA REPORT .

. DOCKET NO. 50-443 UNIT SeabrookI i DATE 06/12/95 COMPLE1ED BY P.E. Nardone TELEPilONE 603/474-9521  ;

Ext. 4074 i

L OPERATING STATUS

1. Unit Name: Seabrook Station Unit 1 I

2. Reporting Period: MAY 1995 3, Licensed Thermal Power (MWt): 3411

4. Nameplate Rating (Cross MWe): 1197

5. Design Electrical Ratmg (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1200

7. Maximum Dependable Capacity (Net MWe): 1150

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

p

9. Power Level To Which Restricted, if Any: None i

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

11. Ilours in Reportmg Period 744.0 3623.0 75576.0

12. Number of Hours Reactor Was Critical 744.0 3623.0 36890.0

13. Reactor Reserve Shutdown llours 0.0 0.0 953.3

14. Ilours Generator OmLine 744.0 3623.0 34767.2

15. Unit Reserve Shutdown llours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWII) 2536759 12356594 I14193402 17$ Gross Elec. Energy Generated (MWil) 898535 4362680 39787015

18. Net Electrical Energy Generated (MWII) 865130 4197971 38225087

• 19. Unit Service Factor 100.0 100.0 79.7

• 20. Unit Avadabihty Factor 100.0 100.0 79.7

• 21. Unit Capacity Factor (Using MDC Net) 101.1 100.8 77.2

• 22. Umt Capacity Factor (Using DER Net) 101.3 100.9 77.3

• 23. Unit Forced Outage Rate 0.0 0.0 6.1

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, None Scheduled and Durathm 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 b/19/90, date Regular Full Power Operation began.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50443

, UNIT Seabrook1 DATE 06/12/95 COMPLETED BY P.E. Nardone TELEPflONE 603/474-9521 Ext. 4074 MONTil: MAY.1995 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1161 17 1163 2 1161 18 1163 3 1161 19 1163 4 1162 20 1155 5 1163 21 1164 6 1163 22 1164 7 1163 23 1164 8 . 1163 24 1165 ,

9 1163 25 1163 10 1163 26 1163 11 1163 27 1164 12 1163 28 1163 13 1163 29 1164 14 1164 30 1164 15 1163 31 1164 16 1164 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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UNrr SIIUTDOWNS AND POWER REDUCTIONS DOCKL7 NO. 50443 ,

UNTT Seabrook 1 DA1E 06/12/95 CONIPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 REPORT MONTil MAY 19M NO. DATE TYPE' DURATION REASON' MET 1IOD OF SIIUTTING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT (llOURS) DOMW REACI'OR' REFORT # RECURRENCE Page1of1 No enme: for this month.

I 2 3 F: Forced Reason: Method:

5: Scheduled A - Equrpment Failure (Explain) 1 - Manual B - Maintename or Test 2 - Manual Scram C - Refuchng 3 - Automatic Scram D - Regulatory Resmetion 4 - Contmued from previous month E - Operator Trammg & License Examination 5 -Inwer Reduction (Duration = 0)

F- Administranve 9 - Other (Explain)

G - Operational Error (Explain)

II - Other (Explain) 3 of 4

REFUELING INFORMATION REQUEST DOCKET NO. 50-443 UNrf Seabrook 1 DATE 06/12/95 COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext. 4074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 4,11/04/95

3. Scheduled date for restart following refueling: Refueling Outage 4,12/19/95

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

Yes, revisions to Accumulator and Refueling Water Storage Tank boron concentration will be required.

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

May,1995

6. Im"portant 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 fuel storage pool:

(a)In Core: 193 (b) 208

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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