ML20147E589

Monthly Operating Rept for Feb 1997 for Seabrook Station Unit 1

ML20147E589
Person / Time
Site:	Seabrook
Issue date:	02/28/1997
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97027, NUDOCS 9703180017
Download: ML20147E589 (5)

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

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Seabrook, Nil 03874 (603) 474-9521 The Northeast Utilities System March 12,1997 Docket No. 50-443 NYN-97027 United States Nuclear Regulatory Commission Attention: Document Control Desk 1 Washington, DC 20555 1

Seabrook Station Monthly Onerating Report Enclosed please find Monthly Operating Report 97-02. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of February,1997 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours, NORTH ATLANTICTRER Y SERVICE CORP. I j

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_ gYsd/ J & ' ^ 10 Ted C. Fehnbaum / '

Executive Vice P esident and Chief Nuclear Offic cc: H.J. Miller, Region 1 Administrator A.W. De Agazio, NRC Project Manager, Seabrook Station J.B. Macdonald, Senior Resident Inspector, Seabrook Station 9703180017 970228 PDR R ADOCK 050004431 pop 180013 11115N555555H

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, OPERATING DATA REPORT DOCKET NO. 50443 UNIT Seabrook i DATE March 3,1997 COMPLETED BY P.E. Nardone TELEPIIONE (603) 773 7074 OPERATING STATUS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: FEBRUARY,1997

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 through 7) Since Last Not Applicable Report, Give Reasons:

9. Power Level To Which Restricted. If Any (Net MWe): None

10. Reasons For Restrictions,If Any: Not Applicable This Month Yr-to-Date Cumulative it, llours in Reporting Period 672.0 1416.0 909:3.0

12. Number of flours Reactor Was Critical 672.0 1416.0 51090.9

13. Reactor Reserve Shutdown flours 0.0 0.0 953.3

14. Ilours Generator On-Line l 672.0 1416.0 48716.8

15. Unit Reserve Shutdown llours 0.0 0.0 0.0

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16. Gross Hermal Energy Generated (MWil) 2293081 4831834 160903044

17. Gross Elec. Energy Generated (MWil) 811254 1709605 56091572

18. Net Electrical Energy Generated (MWII) 780647 1644 % 2 538 % 911

• 19. Unit Service Factor 100.0 100.0 82.7

• 20. Unit Availability Factor 100.0 100.0 82.7

• 21. Unit Capacity Factor (Using MDC Net) 100.3 100.3 80.2

• 22. Unit Capacity Factor (Using DER Net) 101.2 101.2 80.4 l

• 23. Unit Forced Outage Rate 0.0 0.0 5.3 1

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, Refuelmg, 05/10/97, 36 Days and Duration of Each):

25. If Shut Down At End Of Report Period, Estimated Date of Not Applicable I 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 12/01/95.

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1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50 443 UNIT Seabrook 1 DATE March 3 ,1997 l COMPLETED BY P.E. Nardone 1

TELEPlIONE (603) 773-7074 l I

MONTil: FEDRUARY,1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL ]

(MWe-Net) (MWe-Net) l 1 1162 17 1161 2 1162 18 1162 3 1161 19 1163 4 1161 20 1162 5 1162 21 1162 6 1162 22 1163 7 1161 23 1162 8 1161 24 1164 I l

9 1161 25 1161 10 1162 26 1160 11 1162 27 1161 12 1162 28 1161 13 1161 14 1161 15 1162 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 POMER REDUCTIONS .

DOCKET NO. 50-443 UNIT Seabrook 1 DATE March 3.1997 COMPLETED BY P.E. Nardone TELEPHONE (603) 773-7074 REPORT MONT11 FEBRUARY.1997 2

NO. DATE TYPE' DURATION REASON METIIOD OF SHUTTING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT (IIOURS) DOWN REACI'OR' REPORT # RECURRENCE Page1 ofI no entries for this mon:h

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n 2 s 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 - Contmued from previous month E - Operator Training & License Exammation 5 - Power Reduction (Duration = 0)

F - Administrative 9 - Other (Explain)

G - Operational Error (Explain)

II - Other (Explain) 3 of 4

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. .: . - , ' REFUELING INFORMATION REQUEST

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3 DOCKET NO. 50443 UNIT _ Seabrook1 I 1

DATE March 3,1997 COMPLETED BY P.E. Nardone TELEPHONE (603) 773 7074 l

Name of Facility: 'Seabrook Unit 1 *

2. Scheduled date for next refueling shutdown: Refueling Outage 5, 05/10/97 i i

3. Scheduled date for restart following refueling: ' Refueling Outage 5, 06/14/97 [36 days]

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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:

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

N/A '

7. - The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault' (a) 193 (b) 368 4 (c) .{

cycle 06 fuel receipt i added 80 fuel assemblies -

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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 l requested or is planned, in number of fuel assemblies: I Present licensed capacity: 1236 l

No increase in storage capacity requested or planned. i

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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