ML20096B902

Monthly Operating Rept for Dec 1995 for Seabrook Station Unit 1

ML20096B902
Person / Time
Site:	Seabrook
Issue date:	12/31/1995
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96001, NUDOCS 9601170011
Download: ML20096B902 (5)

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Nort'li North Atlantic Energy Service Corporation g.o. 30,300

$,1 Atlantic 0

Seabrook, Nil 03874 (603) 47Wa21, Fax (603) 474-2987 NYN. 96001 The Northeast Utilities System i

January 12,1996 Ted C. Feigenbaum l Semor ; ice President &

Chief Nuclear Officer )

l United States Nuclear Regulatory Commission Washington, DC 20555 i 1

Attention: Document Control Desk

References:

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

Subject:

Monthly Operating Report ,

l Gentlemen:

Enclosed please find Monthly Operating Report 95-12. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of December,1995 and is i submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very t yours,

/A aZv' Ted C. Feige TCF:ALUsm Enclosure cc: Mr. Thomas T. Martin Regional Administrator United States 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 PO Box 1149 Seabrook, NH 03874 [/

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170040 '

t 9601170011 951231 PDR ADOCK 05000443 R PDR

', OPERATING DATA REPORT DOCKET NO. 50 443 UNIT Seabrook 1 DATE 01/m/%

COMPLETED BY P.E. Nardone TELEPlIONE 603/474-9521 Ext. 4074 Of1BAIMC KTATUS

1. Umt Name: Seabrook Station Unit 1

2. Reportmg Period: DECEMBER 1995

3. Licensed nermal Power (MWt): 3411

4. Nameplate Rating (Gross MWe): 1197

5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 12m

7. Maximum Dependable Capacity (Net MWe): 1158

8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last items 6 & 7 changed to reflect Report. Give Reasons: demonstrated electrical output.

Increase due to improvements in secondary plant efficiency and calorimetric feedwater flow measurement.

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

10. Reasem For Restrictions, If Any: Not Applicable nis Month Yr-to-Date Cumulative i1. Ilours in Reporting Period 744.0 8760.0 80713.0

12. Number of Hours Reactor Was Critical 541.3 7663.0 40930.0

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3

14. Ilours Generator On-Line 491.0 7465.9 38610.1

15. Unit Reserve Shutdown flours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWil) 1498045 2525 4 65 127092273

17. Gross Elec. Energy Generated (MWil) 523510 8720956 44145291

18. Net Electrical Energy Generated (MWil) 501449 8380640 42407756

• 19. Unit Service Factor 66.0 85.2 79.2

• 20. Unit Availability Factor 66.0 85.2 79.2

• 21. Unit Capacity Factor (Using MDC Net) 58.2 83.1 76.5

• 22. Unit Capacity Factor (Using DER Net) 58.7 83.3 76.6

• 23. Unit Forced Outage Rate 00 5.0 6.4

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 Startup:

• NOTE: ' Cumulative

• values based on total hours startmg 8/19/90, date Regular Ibll Power Operation began. Increased MDC values (Items 6 & 7) startmg 12/01/95.

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. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50443 UNIT Seabrook1 DATE 01/04/ %  ;

1 COMPLETED BY P.E. Nardone ;

TELEPIIONE 603/474-9521 Ext. 4074 MONTil: DECEMBER,1995 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l (MWe-Net) (MWe-Neo j 1 0 17 1156 2 0 18 1156 3 0 19 1157 4 0 20 1158 5 0 21 1158 6 0 22 1159 7 0 23 1159 8 0 24 1159 9 0 25 1159 10 0 26 1159 11 99 27 1159 12 276 28 1156 13 480 29 1159 14 560 30 1159 15 951 31 1159 16 1155 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 SHUTDOWNS AND POWER REDUCTIONS ,

DOCKET NO. 50443 UNIT Seabrook i DATE 01/0U96 COMPLEED BY P.E. Nardone TELIP110NE 603/474-9521 Ext. 4074 REPORT MONTil DECEMBER 1995 3

NO. DATE TYPE' DURATION REASON METilOD OF SIIITTTING LICENSEE EVENT CAUSE & CORRECTIVE ACTIONTO PREVENT (IIOURS) DOWN REACTOR

• REPORT # RECURRENCE Page1 of1 C 4 N/A

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95-03 12/01/95 S 253.0 1 2 3 F: Forced Reason- Medwxt:

S: Scheduled A - Equipmer:t Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refucimg 3 - Automatic Scram D - Regulatory Restncnon 4 - Connnued from previous month E - Operator Training & License h=imen 5 - Power Reduccon (Duranon = 0)

F- Administrative 9 - Other (Explain)

G - Operanonal Error (Explain)

II - Other (Explain) 3 of 4

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. REFUELING INFORMATION REQUEST DOCKET NO. 50-443 UNIT Seabrook i DATE 01/(M/%

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 5,06/07/97

3. Scheduled date for restart following refueling: Refueling Outage 5,07/15/97

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

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 offload capability.

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

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