ML20134H372

Monthly Operating Rept for Oct 1996 for Seabrook Station Unit 1

ML20134H372
Person / Time
Site:	Seabrook
Issue date:	10/31/1996
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO), NORTHEAST UTILITIES SERVICE CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96078, NUDOCS 9611140076
Download: ML20134H372 (5)

Text

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

' .p& Atlantic Seahroot,Nu 03874 0

(603) 474-9521 The Northeast Utilities System e8m  !

Docket No. 50-443 NYN-96078  :

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United States Nuclear Regulatory Commission  ;

Attention: Document Control Desk Washington,DC 20555 1

Seabrook Station '

Monthly Ooerating Reoort Enclosed please find Monthly Operating Report 96-10. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of October,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.

l hhlLY l William A.DiProfd i Station Director l

l cc: H. J. Miller, Region 1 Administrator ii A A.W. De Agazio, NRC Project Manager, Seabrook Station J.B. Macdonald, Senior Resident Inspector, Seabrook Station

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i 9611140076 961031 PDR ADOCK 05000443 R PDR 140010

'., OPERATING DATA REPORT t

j e - DOCKET NO. 50443 UNIT Seabrook1 DATE Novem'u er 1,1996 l

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

OPERATLNG STA'lVS I

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: OCTOBER,1996 j

. 3. Licensed nermal Power (MWt): 3411 i

4. Nameplate Rating (Gross MWe): 1197 ,

5. Design Electrical Rating (Net MWe): 1148 1

6. Maximum Dependable Capacity (Gross MWe): 1204 7 Maximum Dependable Capacity (Net MWe): 1158

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

9. Power Level To Which Restricted, if Any (Net MWe): None l 10. Reasons For Restrictions,if Any: Not Applicable

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His Month Yr-to-Date Cumulative

11. Ilours in Reporting Period 745.0 7320.0 88033.0 j 12. Number of flours Reactor Was Critical 745.0 7280.9 48210.9

13. Reactor Reserve Shutdown Ilours 0.0 0.0 953.3 1 I

14. Ilours Generator On-Line 745.0 7226.7 45836.8 ,

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWil) 2528667 23992839 151085112

17. Gross Elec. Energy Generated (MWII) 895230 8470036 52615326

18. Net Electrical Energy Generated (MWit) 861487 8144455 50552211

• 19. Unit Service Factor 100.0 98.7 81.8

• 20. Unit Availability Factor 100.0 98.7 81.8

• 21. Unit Capacity Factor (Using MDC Net) 99.9  %.1 79.1

• 22. Unit Capacity Factor (Using DER Net) 100.7  %.9 79.3

• 23. Unit Forced Outage Rate 0.0 1.3 5.6

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

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

• NOTE: 'Cumu!auve" values based on total hours starting 8/19/90, date Regular Full Power Operadon began.

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

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AVERAGE DAILY UNIT POWER LEVEL  !

DOCKET NO. '50-443 I UNIT SeabrookI l DATE November 1,1996 i

COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext. 4074 MONTH: OCTOBER,1996 DAY AVERAGE DAILY POWER LIVEL DAY AVER AGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) j 1 1163 17 1162 2 1162 18 1162 3 978 19 1162 1

4 1161 20 1162  !

5 1162 21 1162 6 1162 22 1162 7 1162 23 1162 I

8 1163 24 1163 i 9 1163 25 1162 10 1163 26 1163 I l

11 1162 27 1163 i l

12 1162 28 1163 i l

13 1162 29 1163 l 14 1162 30 1163 15 1162 31 1163 16 1162 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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UNIT SIIUTDOWNS AND POWER REDUCTIONS -

DOCKET NO. 50443 ,

UNIT Seabrook i DATE November 1,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 REPORT MONT11 OCTOBER.1996 NO. DA1E TYPE' DURATION REASON' METIIOD OF S11U1 TING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVFET (IIOURS) DOWN REACTOR' REPORT # RECURRFECE Page1 ofI

% 03 10/02/96 F 18.5 A'F 9 N/A Reduced power to 70% RTP to replace a failed 30VDC power supply associated with Main Feewater Pump A turbine governor control circuit.

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 - Regulatory Restriction 4 - Continued from previous month E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)

F - Administrative 9 - Other (Explain)

G - Operational Error (Explain)

II - Other (Explain) 3 of 4

.. REFUELING INFORMATION REQUEST s s -

DOCKET NO. 50-443 UNIT Seabrook 1 DATE November 1,1996 COMPLETED BY P.E. Nardone TELEMIONE 603/474-9521 Ext. 4074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 5, 05/10/96

3. Scheduled date for restart following refueling: Refueling Outage 5, 06/16/96 [ 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:

l (a)In Core: 193 (b) 288 I

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: l Present licensed capacity: 1236 No increase in storage capacity requested or planned. 1

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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