ML20111B036

Monthly Operating Rept for Apr 1996 for Seabrook Station.W/

ML20111B036
Person / Time
Site:	Seabrook
Issue date:	04/30/1996
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96034, NUDOCS 9605140147
Download: ML20111B036 (5)

Text

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'e-North M ,

North Atlantic Energy Service Corporation P.O. Box WO j

f Atlantic seehroet Nii 03874 d

(603) 474-9521 The Northeast Utilities System j MAY I O 1996 l

Docket No. 50443 NYN-96034 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Seabrook Station Monthlv Ooerating Report Enclosed please find Monthly Operating Report 96-04. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of April,1996 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

W ham A. i rofi Station Director I cc: T. T. Martin, Region I Administrator A. W. De Agazio, NRC Project Manager, Seabrook Station J. B. Macdonald, Senior Resident Inspector, Seabrook Station l

l 9605140147 960430 PDR ADOCK 05000443 R PDR-l

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OPERATING DATA REPORT = )

i j DOCKET NO. - 50443 -l 1

4 UNIT Seabrook1 DATE~ 5/7/96 d

COMPLETED BY P.E. Nardone TELEPHONE . 603/474-9521 Ext. 4074 OPERATING STATUS

!. Unit Name: Seabrook Station Unit !

2. Reporting Period: APRIL 1996

, - 3. Licensed Thermal Powe (MWt): 3411 i

4. Nameplaic Rating (Gross MWe): 1197 ,

5. Design Electrical Rating (Net MWe): 1148

. = 6. Marinam Dependable Capacity (Gross MWe): 1204 i '

. , 7. Maximum Dependable Capacity (Net MWe): 1158 p

!- > 8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Not Applicable l Report, Give Reasons:

a

! 9. Power Level To Which Restricted, if Any (Net MWe): None i

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10. Reasons For Restrictions, if Any: Not Applicable i

This Month Yr-to-Date Cumulative

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11, flours in Reporting Period 719.0 2903.0 83616.0

12. Numler of Hours Reactor Was Critical 719.0 2863.9 43793.9

13. Reactor Reserve Shuulown Hours 0.0 0.0 953.3 14 Hours Generator On-Line 719.0 2809.7 41419.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0  ;

a-8938M9 l

16. Gross Thermal Energy Generated (MWH) 2452203 136030922 1

i- 17. Gross Elec. Energy Generated (MWil) 866946 3138914 47284205 h 1R. Net Electrical Energy Generated (MWH) 834544 3011539 45419295 T-

! 100.0 96 8 80.2

• 19. Unit Service Factor 1

• 20. Unit Availability Factor 100.0 96 8 80.2 ,

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• 21. Unit Capacity Factor (Using MDC Net) 100.2 89.6 77.2

• 22. Unit Capacity Factor (Using DER Net) 101.1 90.4 77.4 l 1

• 23. Umt Forced Ouiage Rate 0.0 3.2 6.2 I l

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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 8/19/90, date Regular Full Power Operation began. Increased MDC values (Items 6 & 7) startmg

-12/01/95.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 UNIT Seabrook i DATE 5n/%

COMPLETED BY P.E. Nardone TELEPflONE 603/474-9521 Ext. 4074 MONTil: APRIL,1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

I 1163 17 1164 2 1163 18 1164 3- 1163 19 1163

-4 1163 20 1164 5 1163 21 1164 6 1163 22 1164 7 1162 23 1164 8 1155 24 I164 9 1127 25 1164 10 1126 26 1164 11 1157 27 1164 12 1163 28 1164 13 1163 29 1164 14 1163 30 1164 15  !!63 31 0 16 1163 INSTRUCTIONS On this format, list the average daily unit pcwer level in MWe-Net for each day in the reporting month. Compute t' the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER REDUCTIONS -

DOCKET NO. 50443 UNTT Seabrook 1 DATE SU/96 COMPLEIED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 REPORT MONTI{ APRIL _1996 NO. DATE TYPE' DURAT10N REASON

• METIIOD OF SHLTTING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PRESTAT (IlOURS) DOWN REACTOR S REPORT # RECLltRENCE Page1 of1 No emnes for stus mond

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Forced Reason: Method:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refueling 3 - Automanc Scram D - Regulatory Restriction 4 - Conunued from previous month E - Operator Training & License Examination 5 - Power Reduction (Dura: ion = 0) l F- Admunstrative 9 - Other (Explain) l G - Operational Error (Explain) l 11 - Other (Explair) l t

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'J' . REFUELING INFORMATION REQUEST q, c C - DOCKET NO. - 50443 .

UNIT Seabrook i DATC 5/7/96 COMPLETED BY - P.E. Nardone TELEPHONE 603/474-9521 -

Ext. 4074 1; Name of Facility: Seabrook Unit 1 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 ]

. 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:

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 and (b) in the spent fuel storage pool:

(a)In Core: 193 (b) 288 -

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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:

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', 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 assemblics based on two annual and twelve eighteen-month iefuelings with full core offload capability.

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

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