ML20082S695

Monthly Operating Rept for Aug 1991 for Seabrook Station Unit 1

ML20082S695
Person / Time
Site:	Seabrook
Issue date:	08/31/1991
From:	Feigenbaum T, Nardone P PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-91147, NUDOCS 9109170246
Download: ML20082S695 (6)

Text

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New Hampshire Yh (h

Ted C. Feigenbaum hnident and Chief Executive Officer NYN 91147 September 13, 1991 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:

Enclo md please find Monthly Operating i : port 9108. This report a<ldresses the operating and shutdown experience relatir - '

eabrook Station Unit 1 for the month of with the requiternents of Seabrook Station August, 1991 and is submitted in acce' Technical Specification 6.8.1.5.

Very truly yours, f/ & ffs' y

~~

f l ed C. Feig: baum Enclosure (s)

TCF:WJT/ tad cc:

Mr. Thomas T. Martin Regional Administrator United States Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia, PA 19406 Mr. Gordon E. Edison, Sr. Project Manager Project Directorate 13 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Noel Dudley NRr Senior Resident Inspector P.0, Box 1149 Seabrook, NII 03874 9109170246 910831 PLR ADOCK 05000443 R

PDR U O () 19 New Hampshire Yankee Division of Public Service Company of New !lampshire

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P.0, Box 300 a Seabrook, NH 03874 = Telephone (603) 474-9521 I

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OPERATING DATA REPORT DOCKET No.

50-443 UNIT Seabrook 1 DATE __09/13/91 COMPLETED BY _P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)

OPERATING STATUS 1.

Unit Name:

Seabrook Station Unit 1 2.

Reporting Period:

AUGUST 1991 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):

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 Applicable 9.

Power Level To Which Restricted, If Any:

None

10. Reasons For Restrictions If Any:

Not Applicable This Month Yr.-to-Date cumulative

11. Hours In Reporting Period 744.0 5831.0 42720.0

12. Number Of Hours Reactor Was Critical 0.0 4650.3 10369.4

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3 14 Hours Generator On-Line 0.0 4575.6 8703.0

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWE) 0 146B7730 27288055

17. Gross Elec. Energy Generated (MWH) 0 5107161 9379078

18. Net Electrical Energy Generated (MWH)

O 4904131 8998120

• 19. Unit Service Factor 0.0 78.5 81.0

• 20. Unit Availability Factor 0.0 78.5 81.0

• 21. Unit Capacity Factor (Using MDC Net) 0.0 73.1 76.4

• 22. Unit Capacity Factor (Using DER Net) 0.0 73.3 76.6

• 23. Unit Forced Outage Rate 0.0 7.9 10.5 24 Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

REFUELING. 07/27/91. 67 DAYS

25. If Shut Down At End of Report Period, Estimated Date of Startup:

09/30/91

• NOTE:

Values based on accumulated hours starting 08/19/90, date Regular Full Power Operation began.

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AVERAGE DAILY UNIT POVER LEVEL DOCRET NO.

50-443 UN11 Seabrook 1 DATE 09/13/91 COMPLETED BY P. Nardone TELEP110NE (603) 474-9521 (Ext, 4074)

MONTH JUGUST.1991 DAY AVERAGE DAILY POVER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 16 0

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 0

24 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

31 0

INSTRUCTIONS list the average daily unit power level in MVe-Net for each day in the On this format, reporting month. Compute to the nearest whole megawatt.

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DOCKET NO.

50-443 UNIT SHUTDOVNS AND POWER REDUCTIONS UNIT Seabrook 1 DATE 09/13/91 REPORT MONTH AUGUST. 1991 COMPLETED BY P. Hardone TELEPHONE {603) 474-95'21 (Ext. 4074)'

No.

Date Type Duration Reason Method of Licensee Cause & Corrective 3

r (Hours)

Shutting Event Action to Down Reactor Report #

Prevent Recurrence 3

Page 1 of 1 91-08 08/01/91 S

744 C

4 N/A Scheduled refueling outage.

3 1

2 Method:

F: Forced Reason:

1-Manual S:

Scheduled A-Equi s.ent Failure (Explain) t 2-Manual Scram l

B-Maintenance or Test 3-Automatic Scram C-Refueling 4-Continued from D-Regulatory lestriction E-Operator Training & License Examination previous month 5-Power Reduction F-Administrative G-Operacional Errar (Explain)

(Duration = 0) 9-Other (Explain)

H-Other (Explain) 3 of 4 l

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DOCKET NO.

50-443 l-UNIT Seabrook 1 DATE 09/13/91 COMPl.ETED BY P. Hardone TELEPHONE (603) 474-9521 (Ext. 4074)

REFUELING INFORMATION REQUEST

1. Name of facility:

Seabrook Unit 1

2. Scheduled date for next refueling shutdown:

07/27/91 actual 07/25/91

3. Scheduled date for restart following refueling:

09/30/91

4. Will refueling or resumption of operat. ion thereafter require a technical specification change or other license amendment 7

5. Scheduled date(s) for subs'itting licensing action and supporting information:

6. Important licensing considerations associated with refueling, e.g.,

new or different fuel desi t or supplier, unreviewed design or t

performance analysis methods, significant changes in fuel design, new operating proceduress None

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

In Care:

0 (b) 253

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 stora'ge 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 sixteen rcanual refuelings and full core offload :apability.

The current licensed capacity is adequati until at least the year 2007.

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