ML20101R226

Monthly Operating Rept for Mar 1996 for Seabrook Station Unit 1

ML20101R226
Person / Time
Site:	Seabrook
Issue date:	03/31/1996
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96024, NUDOCS 9604160123
Download: ML20101R226 (5)

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

- Atlantic seasteet.siiO3874 H (603) 474-9521 The Northeast Utilities System NR I 2 IRB Docket No. 50-443 NYN-96024 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Seabrook Station Monthly Operating Report l

l Enclosed please find Monthly Operating Report 96-03. This report addresses the operating and I shutdown experience relating to Seabrook Station Unit 1 for the month of March,1996 and is j submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.  ;

i Very truly yours, NORTil ATLANTIC ENERGY SERVICE CORP.

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\ . A. DiPro io l Station Director cc: T. T. Martin, Region I Administrator A. W. De Agazio. NRC Project Manager, Seabrook Station J. B. Macdonald, Senior Resident Inspector, Seabrook Station 150110 9604160123 960331 PDR ADOCK 05000443 / Wi R PDR / \ g i

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, OPERATING DATA REPORT I

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DOCKET NO. 50 4:3 UNIT Seabrook i DATE 4/3/%

COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074

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OPERAllNG1 TAILS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Peritxt: MARCli 1996

3. Licensed Thermal Power (MWr): 3411

4. Nameplate Ratmg (Gross MWe): 1197

5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1204

7. Maximum Dependable Capacity (Net MWe): 1158 H. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Smee Last Not Applicable Report, Give Reasons:

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9. Power Level To Which Restricted, If Any (Net MWe): Nonc

! 10. Reamns For Restrictions, If Any: Not Applicable l

This Month Yr-to-Date Cumulative

11. Ilours in Reporting Period 744.0 2184.0 82897.0

12. Number of Ilours Reactor Was Critical 744.0 2144.9 43074.9

13. Reactor Reserve Shutdown flours 0.0 0.0 953.3

14. Ilours Generator On-Line 744.0 2090.7 40700.8

15. Unit Reserve Shutdown llours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWII) 2537453 M8M46 133578719

17. Gross Elce. Energy Generated (MWII) 893860 2271969 46417259

18. Net Electrical Energy Generated (MWII) 859883 2176994 44584750

• 19. Unit Service Factor 100 95.7 79.9

• 20. Unit Availability Factor 100 95.7 79.9

• 21. Unit Capacity Factor (Using MDC Net) 99.8 86.1 76.9 l

• 22. Unit Capacity Factor (Using DER Net) 100.7 86.8 77.0

• 23. Umt Forced Outage Rate 0.0 4.3 ' 6.3

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

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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 i2!01/95.

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AVERAGE DAILY UNIT POWER LEVEL

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DOCKET NO. 50443 UNIT Seabrook1-DATE 4/3/%

COMPLETED BY P.E. Nardone TELEPilONE 603/474-?$21 Ext. 4074 MONTil: MARCil,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe Net)

I 1157 17 1161 2 1157 18 1161 3 1157 19 1160 4 1156 20 1160

$ 1156 21 1161 6 1156 22 1161 7 1156 23 1161 8 1159 24 1161 9 .;fe 25 1161 10 life 26 1159 l

11 1160 27 1127 12 IIto 28 1128 13 1161 29 1127 14 1161 30 1141 15 1161 31 1162 f 16 1861 l

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

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UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50443 Uh7T Seabrook 1 .'

DATE 4/366 COMPLETED BY P.E. Nardone

• TELEPIIONE 603/474-9521 I Ext. 4074 REPORT MONTII MARCII 1996 2

NO. DATE TYPE' DURATION REASON MET 1IOD OF SIIbTTING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT (IIOURS) DOWN REACTOR8 REPORT # RECL M NCE Page 1 of 1 No entres for ttus month 5 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 - Regulatory Restricticn 4 - Continued from previas month E - Operator Training & License Examination 5 - Power Reduction (Duration = 0) ,

F- Administranvc 9 - Other (Explain)

G - Operational Error (Explain)

II - Other (Explain) l 3 of 4

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REFUELING INFORMATION REQUEST a

IXX'KET NO. 50443 UNIT Seabrook 1 DATE 4/3/%

COMPLETED BY P.E. Nardone TELEPl!ONE 603/474-9521 Ext. 4074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 5,06/07/97

3. Scheduled date for restart following refueling: Refueling Outage 5,07/15/97

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

N/A l

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

N/A i

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:

1 N/A

7. The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:

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! (a)In Core: 193 (b) 288 '

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: ,

1 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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