ML20117K494

Monthly Operating Rept for May 1996 for Seabrook Station, Unit 1

ML20117K494
Person / Time
Site:	Seabrook
Issue date:	05/31/1996
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96038, NUDOCS 9606110308
Download: ML20117K494 (5)

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i North North Atlantic Energy Service Corporation P.O. Box 300 0

' Atlantic seahroot,N u G3374 (603) 474-9521 l The Northeast Utilities System l

l JN 6 1996 Docket No. 50-443 ,

NYN-96038 )

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i United States Nuclear Regulatory Commission l Attention: Document Control Desk Washington, DC 20555 Seabrook Station Monthly Ooerniino Reno ,

l Enclosed please find Monthly Operating Report %-05. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of May,19% and is submitted i I

in accordance with the requirements of Seabrook Station Tecimical Specification 6.8.1.5.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP. I i i Jhe William A. DiPr 10 Station Director l cc: T. T. Mtrtin, Region i Administrator A.W. De Agazio, NRC Project Manager, Seabrook Station J.B. Macdonald, Senior Resideia inspector, Scabrook Station I

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9606110308 960531

- PDR ADOCK 05000443' R PDR 4

110034 l

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l ', OPERATING DATA REPORT i

DOCKET NO. 50 443

, UNIT Seabrook1 l

DATE June 4,1996 I COMPLETED BY P.E. Nardone TELEPHONE 603/474-9521 l Ext. 4074 DPERATING STATUS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: MAY,1996 I

3. Licensed ' thermal Power (MWt): 3411

4. Nameplate Rating (Gross MWe): 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 thrwgh 7) Since Last Not Applicable Report, Give Reasons:

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9. Power Level To Which Restricted, if An) & IWe): None l 10. Reasons For Restrictions, if Any: Not Applicable a -.

l j This Month Yr-to-Date Cumulative i

11, Hours in Reporting Period 744.0 3647.0 84360.0

12. Number of Hours Reactor Was Critical 744.0 3607.9 44537.9 l

l 13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3 l

l 14. Ilaurs Generunr On-Line 744.0 3553.7 42163.8 i

15. Unit Reserve Shutdown flours 0.0 0.0 0.0 l

l 16. Gross Thermal Energy Generated (MWH) 2537602 11476251 138568524 t

l 17. Gross Elec. Energy Generated (MWII) 899603 4038518 48183808 l

18. Net Electrical Energy Generated (MWH) 866353 3877892 46285648

• 19. Unit Service Factor 100.0 97.4 80.5 l *20. Unit Availability Factor 100.0 97.4 80.5 l

l *21. Unit Capacity Factor (Using MDC Net) 100.6 91.8 77.6 f 92. Unit Capacity Factor (Using DER Net) 101.4 92.6 77.7 i

• 23. Unit Forced Outage Rate 0.0 2.6 6. I

24. Shutdowns Scheduled Over Next 6 Months (Type. Date, None Sc5cduled

and Duration of Each)

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

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' NOTE: " Cumulative

• values based on total hours startmg 8/19/90, date Regular Full Power Operation began. Increased MDC values (Items 6 & 7) startmg j !2/01/95.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 l

UNIT SeabrookI l DATE June 4,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 l

MONTil: MAY, 1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) l 1 1164 11 1164 2 1165 18 1164 3 1164 19 1165 l 4 1165 20 1165 5 1165 21 1165 i 6 1164 22 1165 l l

7 1165 23 1165 8 1165 24  !!64 J 9 1164 25 1165

, 10 1164 26 1165 l

11 1165 27 1165 12 1164 28 1165 j

) 13 1164 29 1165 14  !!64 30 1164 15 1164 31 1164  ;

1 16 1164 INSTRUCTIONS On this format, list the av, rage daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50443 .

UNIT Seabrook i DATE June 4,1996 .

COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 REPORT MONTil MAY 1996 2

NO. DATE TYPE' DURATION REASON METIIOD OF SIIUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT 8

(IIOURS) DOWN REACTOR FER)RT # RECLTRENCE Page 1of1 No entnes for this month 1 2 3 F. Forced Reason: Method:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refueling 3 - Automatic Scram D - Regulatery Restriction 4 - Cominued from previous month E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)

F- Admmistrative 9 - Other (Explain)

G - Operational Error (Explain) 11 - Other (Explain) 3 of 4

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REFUELING INFORMATION REQUEST DOCKET NO. 50443  !

l UNrr Seabrook 1 l DATE June 4,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-932t j ,

Ett.4074 I

l l 1. Name of Facility: Seabrook Unit 1 l

2. Scheduled date for next refueling shutdown: Refueling Outage 5, 06/28/97 [ changed from 06/07/97 ]

3. Scheduled date for restart following refueling

Refueling Outage 5, 08/04/97 [ 38 days: based on RO 04 ]

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

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

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N/A i

6. Important licensmg considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed l design or performance analysis methods, significant changes in fuel design, new operating procedures:

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1 N/A

7. The number of fuel assemblies (a) in the core and (b) in the spent fuel sto. rage pool: 1 (a)In Core: 193 (b) 288 '

I l 8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been l l requested or is planned, in number of fuel assemblies: 1 I

! Present licensed capacity: 1236 l No increase in storage capacity requected or planned.

9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

l Limed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refelings with full l core offload capability.

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

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