ML20099G677

Monthly Operating Rept for Jul 1992 for Seabrook Station Unit 1

ML20099G677
Person / Time
Site:	Seabrook
Issue date:	07/31/1992
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-92110, NUDOCS 9208170160
Download: ML20099G677 (5)

Text

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Facsimile (603)474 2987 Energy Service Corporation led C. Folgenbaurn Senior Vice President and Chief Nuclear Officer NYN 92110 August 13, 1992 United Sta'tes Nuclear Regulatory Comatission Washington, DC 20$$5 Attention: Document Cont.ol Desk

References:

Fac!)ity Operating License NPF-86, Docket No. 50-443

Subject:

hionthly Operating Report Gentlemen:

Enclosed please find hionthly Operating Report 92 07.

This report addresses the operating and shutdown experience relating to Scabrook Station Unit I for the month of July, 1992 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours,

$ V.!

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red C. Feigenbaum Enclosure cc:

Mr. Thomas T. Martin Regional Administrator U.S. Nuclear Regulatory Commission i

Region 1 475 Allendale Road King of Prussia, PA 19406 Mr. Gordon F,. Edison, Sr. Project Manager Project Directorate I 3 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Noel Dudley NRC Senior Resident inspector P.O. Box 1140 Seabrook, NH 03874 l

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43 a member of the Northeast Utilities system

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OPERATING DATA REPORT a

DOCKIIT NO.

50 443 UNIT Seabrook 1 DATE 08/06/92 COMPLETED 13Y P. Nardone TELEPilONE (603) 474 0521 (Ext. 4074)

OPERATING STATUS

-1.

Unit Name: Seabrook Station Unit 1

- 2.

Reporting Period: JULY 1992 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 Changcs Occur in Capacity Ratings (items Number 3 Through 7)

Since Last Report, Give Reasons: Not Applica'e 9.

Power Level To Which Restricted, if Any: No.r

10. Reasons For Restrictions, If Any: Not Applicable

'I his Month Yr..to Date Cumulative 11.. Ilours In Reporting Feriod -

744.0 5111.0 50760.0

12. Number Of Ilours Reactor Was Critical 744.0 5111.0 17476.5

13. Reactor Reserve Shutdown Ilours 0.0 00 953.3

14. Ilours Generator On Line' 744.0 5111.0 15635.0

15. Unit Reserve Shutdown l{ours 0.0 0.0 0.0

16. Gross-Thermal Energy Generated (MWii 2537068 17421881 50491741

17. Gross Elec. Energy Generated (MWH) 887470 6093774 17465023

18. Net Electrical Energy Generated (MWil) 852774 5860035 16768410

• 19. Unit Service Factor 100.0 100.0 83.4

'20. Unit Availability Factor 100.0 100 0

-83.4

• 21. Unit Capacity Factor (Using-MDC Net) 99.7 99.7 80.0

'22. Unit Capacity Factor (Using DER Net) 99.8 99.9 80.2 0.0 0.0 5.7

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

REFUELING, 09/07/92, 59 DAYS

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

' NOTE:

Cumulative' values based on total hours starting 08/19/90, date Regular Full Power Operation began.

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AVERAGE DAILY UNIT POWER LEVEL =

DOCKET NO.

50-443 UNIT Seabrook 1 DATE 08/06/92 COh1PLETED BY P. Nardone _

TELEPliONE (603) 474 9521 (Ext. 4074) h10NTil J U LY.1992 DAY AVERAGE' DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (htWe Net)

(h1We Net)

~1 1147 16 1144 2-

-1146 17 1145 3-1146 18 1146

-4 1146 19 1146 5

1146 20 1144 6

1146 21 1147 7

1146 22 1147 8

1146 23 1147 9-1146

.24 1147 10 1147 25 1147 11-

-1146 26 1147 12-1146 27 1147

~

13-1146 28 1147 14 1146 29 1147 15 1145 30 1147 31 1146

-lNSTR UCTIONS -

' On this format,'_ list the average daily unit power level in htWe-Net for 'each day in the reporting

~

-month. Compute to the nearest whole megawatt.

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DOCKET NO.

50 443 UNIT Seabrook i DATE 08:#06/92 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)

UNIT SHUTDOWNS AND POWER REDUCTIONS l

REPORT MONTH JULY.1992 No.

Date Type' Duration Rea son

• Method of Licensee Cause & Corrective (Hours)

Shutting Event Action to Down Reactor

• Report #

Prevent Recurrence Page 1 of I NO ENTRIES FOR THIS MONTH 3

1 2

Method:

F: Ionced Reason:

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

(Duration = 0)

H-Other (Explain) 9-Other (Explain)

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- - -.. - - - -. ~.. - ~ -. -.

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DOCK ET N o.,

50-443 i

UNIT _ Seabrook 1 DATE 08/06/92 COMPLETED llY P. Nardone TELEP110NE (603) 474 9521 (Ext. 4074)

REFUELING INFORM ATION REOURST

1. Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: 09/07/92

3. Scheduled daic for restart following refueling: 11/04/92

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

Yes. Reactor Coolant System Narrow Range RTD Bypass Elimination

5. Scheduled date(s) for submitting lleensing action and supporting information:

March 15,1992 6c 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:

Next refueling will be the initial start-of the eighteen month fuel cycle schedule.

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

(a) 'in Core:

193 (b) 78

8. The, resent licensed spent fuel pool storage capacity and the size of any screase in-licensed ' storage capacity that hai been requested or io_ planned, in number of fuel assemblies:

Present licensed capacity: 1236 Ne 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 licersed capacity:

Licensed capacity'.of 1236 fuel assemblics based on two annual and twelve eighteen month refuelinFs with full core offload capability.

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

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