ML20070D981

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Monthly Operating Rept for June 1994 for Seabrook Station Unit 1
ML20070D981
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 06/30/1994
From: Feigenbaum T, Nardone P
NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-94075, NUDOCS 9407130246
Download: ML20070D981 (5)


Text

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North Atlantic Energy Service Corporation NortL11 y.O. 30,300

  • Atlantk Seabrook, NH 03874 D

(603) 474-9521, Fax (603) 474-2987 The Northeast Utilities System Ted C. Feigenbaum NYN. 94075 Senior Vice president &

Chief Nuclear Officer July 8,1994 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 94-06. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of June,1994 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours,

[h Ted C. Feigenba m 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 f

Mr. Antone C. Cerne NRC Senior Resident inspector P.O. Box 1149 Seabrook, Nil 03874 8

9407130246 940630 k '

PDR ADOCK 05000443

.i 1bbh. O

OPERATING DATA REPORT DOCKET NO. 50 443 UNIT Seabrook 1 DATE 07/08/94 COMPLETED BY P. E. Nardone TELEPHONE 1603) 474 9521 Ext. 4074 OPERATING STATUS 1.

Unit Name:

Seabrook Station Unit I l

2.

Reporting Period:

JUNE 1994 3.

Licensed Thermal Power (MWt):

3411 4.

Nameplate Rating (Gross MWe):

1197 5.

Design Electrical Rating (Net MWe):

1148 1

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 Report. Give Reasons:

Not Apolicable 9.

Power Level To Which Restricted, If Any:

None

10. Reasons For Restrictions, If Any:

Not ADolicable This Month Yr. to Late Cumulative

11. Hours In Reporting Period 720.0 4343.0 67536.0
12. Number Of Hours Reactor Was Critical 0.0 1833.9 29541.0
13. Reactor Reserve Shutdown Hours O. 0_

0.0 953.3

14. Hours Generator On Line O. C_

1797.7 27474.9

15. Unit Reserve Shutdown Hours 0.0 _

0.0 0.0

16. Gross Thermal Energy Generated (MWH) 0 6023932 89456378
17. Gross Elec. Energy Generated (MWH) 0.

2103831 31077575

18. Net Electrical Energy Generated (MWH) 0 2022074 29845692
  • 19. Unit Service Factor 0.0 41.4 77.1
  • 20. Unit Availability Factor 0.0
41. 4_,

77.1

  • 21. Unit Capacity Factor (Using MDC Net) 0.0 9.5 74.0
  • 22. Unit Capacity Factor (Using DER Net) 0.0

_ 40.6 74.1

  • 23. Unit Forced Outage Rate 0.0 23.5 7.7 q
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

J REFUS,1NG. 04/09/94. $_cheduled 57 Days

25. If Shut Down At End Oi Report Period, Estimated Date Of Startup: 07/31/94
  • NOTE:

" Cumulative" values based on total hours startino n8/19/90, date Regular Full Power Operation began.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50 443 UNIT Seabrook 1 DATE 07/08/94 COMPLETED BY P.

E.~ Nardone TELEPHONE (603) 474 9521 Ext. 4074 MONTH JUNE. 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net)

(MWe Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

16 0

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 megawutt.

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9 UNIT SHtJTIXk'45 AND POWER REDUCTIONS DOCKET NO. 50-443 tJNIT Seabrook 1 DATE 07/08/94 REPORT MONTH JUNE. 1994 COMPLETED BY P. E. Nardone TELEPHONE (603) 474-9521 Ext. 4074 No.

Date Type' Duration Reason Method of Licensee Cause & Corrective 2

(Hours)

Shutting Event Action to Down Reactor' Report f Prevent Recurrence Page 1 of 1 94-02 06/01/94 5

720.0 C

4 NA Scheduled Refueling Outage (Extended) 1 2

3 F: Forced Reason:

Method:

S: Scheduled A-Equipment Failure (Explain) 1-Manual B-Haintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued from E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction G-Operational Error (Explain)

(Duration = 0)

H-Other (Explain) 9-Other (Explain) 3 of 4

DOCKET N0. 50-443 UNIT Seabrook 1 DATE 07/08/94 COMPLETED BY P, E. Nardone TELEPHONE (603) 474 9521 Ext. 4074 BfFUELING INFORMATION REQUEST

1. Name of facility: Seabrook Unit 1 2.

Scheduled date for next refueling shutdown:

Refueling Outage 3. 04/09/94 3.

Scheduled date for restart following refueling:

Refueling Outage 3. 07/31/94

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

No 5 Scheduled 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:

None 7.

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

(a) In Core:

0 (b) 401

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, 4 of 4