ML20137V965

Monthly Operating Rept for Mar 1997 for Seabrook Station Unit 1

ML20137V965
Person / Time
Site:	Seabrook
Issue date:	03/31/1997
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97034, NUDOCS 9704170471
Download: ML20137V965 (5)

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

,$g Atlaritic seahroot, Nii O3874 0

(603) 474-9521 4

The Northeast Utilities System 1

l April 11,1997 Docket No. 50-443 NYN-97034 l

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! . United States Nuclear Regulatory Commission Attention: Document Control Desk '

Washington, DC 2055S Seabrook Station .

Monthly Ooerating Reoort i

Enclosed please find Monthly Operating Report 97-03. This report addresses the operating and shutdown experience relating to Seabrook 5:ation Unit 1 for the month of March,1997 and is l submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5. '

Should you have any questions regarding this report, please contact Mr. Terry L. Harpster, Director of Licensing, at (603) 773-7765.

Very truly yours, NORTH ATLANTIC ENERGTSERVICE CORP.

Qed C. e Feignbaum&DJ

/ j Executive Vice Pres ent and Chief Nuclear Of i [

cc: H. J. Miller, Region 1 Administrator A. W. De Agazio, NRC Project Manage.r, Seabrook Station J. B. Macdonald, Senior Resident Inspector, Seabrook Station 9704170471 970331 PDR ADOCK 05000443 R PM _

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A OPERATING DATA REPORT l

, DOCKET NO. 50-443 I UNIT Seabrook1

DATE April 1,1997 J

1 COMPLETED BY P.E. Nardone TELEPIIONE (603) 773-7074 4

OPERAHNG stall!S

1. Unit Name: Seabrook Station Unit I l 2. Reporting Period: MARCil,1997 I

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3. Licensed Thermal Power (MWt): 3411 l l

4. Nameplate Rating (Gross MWe): 1197

5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1204 l

7. Maximum Dependable Capacity (Net MWe): 1158

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

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9. Power Level To Which Restricted, If Any (Net MWe): None 4

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

d This Month Yr-to-Date Cumulative l

11. Ilours in Reporting Period 744.0 2160.0 91657.0

12. Number of flours Reactor Was Crincal 744.0 2160.0 51834.9

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3

14. Ilours Generator On-Line 744.0 2160.0 49460.8

15. Unit Reserve Shutdown llours 0.0 0.0 0.0 i

16. Gross Thermal Energy Generated (MWII) 2538966 7370800 163442010

17. Gross Elec. Energy Generated (MWII) 898166 2607771 56989738

18. Net Electrical Energy Generated (MWII) 864551 2509513 54761462

• 19. Unit Service Factor 100.0 100.0 82.9

• 20. Unit Availability Factor 100.0 100.0 82.9

• 21. Unit Capacity Factor (Using MDC Net) 100.3 100.3 80.4

• 22. Unit Capacity Factor (Using DER Net) 101.2 101.2 80.7

• 23. Unit Forced Outage Rate 0.0 0.0 5.2

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

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

• NOTE: "Cumulauve" values based en total hours starting 8/19/90, date Regular Full Power Operation began.

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

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 UNIT Seabrook1 DATE April 1,1997 COMPLETED BY P.E. Nardone TELEPHONE (603) 773-7074 l

l MONTil: MARCII, 1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) l 1 1162 17 1162 2 1162 18 1162 3 1162 19 1161 4- 1162 20 1162 5 1162 21 1162 1

6 1162 22 1162 7  !!62 23 1162 8  !!62 24 1162 9 1162 25 1162 10 1162 26 1163 11 1162 27 1162 12 1162 28 .I163 13 1162 29 1162 14 1161 30 1163 15 1162 31 1162 16  !!62 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. 50-443 UNIT Scalwook i DATE Apnl 1,1997 COMPLETED BY P.E. Nardone TELEPHONE (603) 773-7074 REPORT MONTil MARCII.1997 2

NO, DATE TYPE' DURATION REASON METilOD OF SIIUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT (IIOURS) DOWN REACTOR' REPORT # RECLRRENCE PageI ofI no entries for this month 1 2 3 P Forced Reason: Method:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manu.I Scram C - Refueling 3 - Automatic Scram D - Regulatory Restrictx>n 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

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, l. REFUELING INFORMATION REQUEST DOCKET NO. 50 413 UNTT Seabrook 1 DATE April 1,1997 COMPLETED BY P.E. Nardone TELEPilONE (6o3) 773-7074

1. Name of Facility: Seabrook Unit 1

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

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

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

Yes: LAR 97-01, Design Feature - Fuel Assembly Reconstitution (TAC M97929)

5. Schedule date(s) for submitting licensing action and supporting information: I Submitted on February 18, 1997

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 l

7. He 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 (c) 4

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:

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

9. The projected date of the last refueling that can be dd"ged to the spent fi.el 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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