ML20083L299

Monthly Operating Rept for Apr 1995 for Seabrook Station Unit 1

ML20083L299
Person / Time
Site:	Seabrook
Issue date:	04/30/1995
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-95045, NUDOCS 9505180255
Download: ML20083L299 (5)

Text

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w, g North Atlantic Energy Service Corporation Nor(L11 p.o. Se,300 Seabrook, NH 03874 i

Atletic (603) 474-9521 Fax (603) 474-2987 The Northeast Utilities System Ted C. Feigenbaum NYN- 95045 Senior %ce President &

Chief Nadear Officer May 11,1995 United States Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk

Reference:

Facility Operating License NPF-86, Docket No. 50-443

Subject:

Monthly Operating Report Gentlemen:

Enclosed please find Monthly Operating Report 95-04. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of April,1995 and is submitted in accordance with the requirements of Seabrook Station Technical Specificatiott6,8.

Very ly yours,

/ py x4;&s u '0 '

Ted C. 'eigenbau Enclosure cc: Mr. Thomas T. Martin Regional Administrator U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Mr. Albert W. De Agazio, Sr. Project Manager Project Directorate 1-4 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. John B. Macdonald NRC Senior Resident Inspector P.O. Box 1149 Seabrook, NH 03874 f 9505180255 950430 PDR R

ADOCK 05000443 PDR

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, OPERATING DATA REPORT

', O DOCKET NO. 50 443 UNIT Seabrook 1 DATE 05/11/95 COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext.4074 OfEHATLWSIAI115

1. Unit Name: Seabrook Station Unit 1

2. Reportmg Period: APRIL 1995

3. Licensed Thermal Power (mwd: 3411

4. Nameplate Rating (Gross MWe): 1197

5. Design Electrical Ratmg (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1200

7. Maximum Dependable Capacity (Net MWe): 1150

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

9. Power 12 vel To Which Restricted, Fl Any: None

10. Reawns For Restricuons,if Any: Not Applicable This Month Yr-to-Date Cumulative

11. liours in Reporting Period 719.0 2879.0 74832.0

12. Number of Ilours Reactor Was Critical 719.0 2879.0 36146.0

13. Reactor Reserve Shutdown ikiurs 0.0 0.0 953.3

14. Ilours Generator On-Line 719.0 2879.0 34023.2

15. Unit Reserve Shutdown flours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWi1) 2452508 9819835 111656644

17. Gross Elec. Energy Generated (MWil) 866655 3464145 38888479

18. Net Electrical Energy Generated (MWII) 834117 3332840 37359957

• 19. Umt Service Factor 100.0 100.0 79.3

• 20. Unit Avadability Factor 100.0 100.0 79.3

• 21. Unit Capacity Factor (Using MDC Net) 100.9 100.7 76.7

• 22. Unit Capacity Factor (Using DER Net) 101.1 100.8 76.9

• 23. Unit Forced Outage Rate 0.0 0,0 6.2

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

25. If Shut Down At End Of Report Perid Estimated Date of Not Applicable Startup;

• NOTE: "Cumulatne' values based on total hours startmg 8/19/90, date Regular Full Power Operation began.

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'. 4 AVERAGE DAILY UNIT POWER LEVEL i

DOCKET NO, 50-443 l

UNIT Seabrook1 DATE 05/11/95 l I

COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 MONTil: APRIL,1995 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

I 1160 17 1160 2 1159 18 1160 3 1159 19 1160 4 1160 20 1160 5 1859 21 1160 6 1160 22 1160 7 1160 23 1161 8 1160 24 1162 9 1160 25 1161 10 1160 26 1161

!! 1159 27 1161 12 1159 28 1161 13 1160 29 1161 14 1160 30  !!61 15 1160 16 1160 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 wlmle megawatt.

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UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50 443 UNIT Seabrook 1 DATE 05/11195 COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext. 4074 REPORT MONTil APRIL 1995 NO. DATE TYPE' DURATION REASON

• METIIOD OF SIIUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT OIOURS) DOWN REACIOR' REPORT # RECL M NCE Page1of1 No entries for this month.

I 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 - Cantmued from previous month E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)

F - Admmistrative 9 - Other (Explain)

G - Operational Error (Explain)

II - Other (Explain) 3 of 4

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. r,: ," REFUELING INFORMATION REQUEST l

I DOCKET NO. 50-443 UNIT Seabrook 1 DATE 05/11/95 COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext. 4074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Refueling Outage 4,11/N/95

3. Scheduled date for restart following refueling: Refueling Outage 4,12/19/95

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

Yes, revisions to Accumulator and Refueling Water Storage Tank boron concentration will be required.

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

April,1995

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

None

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

(a)In Core: 193 (b) 208

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 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 ofiload capability.

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

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