ML20045D087

Monthly Operating Rept for May 1993 for Seabrook Station, Unit 1.W/930611 Ltr

ML20045D087
Person / Time
Site:	Seabrook
Issue date:	05/31/1993
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-93092, NUDOCS 9306250314
Download: ML20045D087 (4)

Text

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P.O. Box 300 t

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sea. brook. "s o3874 Telephone (603)474-9521 Nh=h Facsimile (603)474-2987 Energy Service Corporation Ted C. Feigenbaum Senior Vice President and

. Chief Nuclear Officer NYN- 93092 June 11,1993 United States Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk

Reference:

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

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Subject:

Monthly Operating Report i'

Gentlemen:

Enclosed please find Monthly Operating Report 93-05. This report addresses' the operating and shutdown experience relating to Seabrook Station Unit 1, for the month of May,1993 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5. p p

Very ly yours,

<&gXAA9 '

Ted C. Feigenbaumj )

Enclosure (s)

TCF:ALL/act 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 'l Project Directorate I-4 Division of Reactor Projects

'U.S. Nuclear Regulatory Commission Washington, DC 205.35 Mr. Noe! Dudley NRC Senior Resident inspector P.O. Box 1149 Seabrook, NH 03874 t

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c. e n er n 4 D hD hhg i member of the Northeast Utilities syt iem PDR

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I,. .i- OPERATING DATA REPORT DOCKET NO. 50-443' __,

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- UNIT Seabrook 1 I DATE 06/11/93 1 COMPLETED BY P. E. Nardone ~l TELEPHONE (603) 474-9521 Ext.'4074 I J

OPERATING STATUS ,

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1. Unit Name: Seabrook Station _ Unit 1 I

2. Reporting Period: MAY 1993

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 (Not MWe): 1150 H

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 l

l This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744.0 -3623.0 58056.0-12.-Number of Hours Reactor Was Critical 703.1' 3428.8 22932.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3-14.-Hours Generator On-Line 680.5 3387.1 20968.0 J

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 '

16. Gross Thermal Energy Generated (MWH) 2278654 11427298 67950856

17. Gross Elec. Energy Generated (MWH) 797616 4008237 23569875-

18. Net Electrical Energy Generated (MWH) 767137 3854438__, 22631251 1

• 19. Unit Service Factor 91.5 '93.5 80.4- I

• 20. Unit Availability Factor 91.5 93.5 80.4

• 21 Unit Capacity Factor (Using MDC Net) 89.7~ 92.5 77.0- 1

• 22. Unit Capacity Factor (Using DER Net) 89.8 92.7 77.1

• 23. Unit Forced Outage Rate 8.5 6 . .

5.7

24. Shutdowns Scheduled.Over Next 6 Months (Type, Date, and Duration of Each) -

'None Scheduled

25. If Shut Down At End of Report Period, Estimated Date of Startup: Not' Applicable

.0 NOTES- " Cumulative" values based on total _ hours starting 08/19!90, date Regular Full Power Operation began.

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.. , l* AVERAGE DAILY UNIT-POWER LEVEL j

f. l DOCKET NO. 50-443-

- UNIT Seabrook 1 l

- DATE 06/11/93 COMPLETED BY P. E. Nardone TELEPHONE (603) 474-9521 ,

Ext. 4074  !

MONTH MAY. 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1155 17 1155

.2 1155 18 1155 3 1155 19 1155 4 1155 20 222 5 1156 21 0 )

l 6 1156 22 32 7 1156 23 583 l 8 1156 24 1150 9 1156 25 1154 ,

10 1155 ,

26 1155 -

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.11 1156 27 1152 .j I

12 1155 28 1125 13 1154 29 1138 14 1154 30 1152 15 1155 31 1153 16 1155 INSTRUCTIONS  ;

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

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET.NO. 50-443 4+ ,,

UNIT Seabrook~1- ,

DATE 06/11/93' REPORT MONTH MAY. 1993 COMPLETED BY P. E. Nardone . +;+

TELEPHONE (603) 474-9521 Ext. 4074 Licensee No. Date Type l Duration Reason 2 Method of Cause & Corrective (Hours) Shutting Event Action to Down Reactor 3 Report # Prevent Recurrence Page 1 of 1 93-03 05/20/93 F 63.5 B/A 2 93-009 Manual trip as a result of decreasing level in SG'D. This was. caused by the slow, full closure of MSIV D during the performance of the 10Z partial closure test. See LER 93-009 for information on root cause and corrective action.

1 2 3 F: Forced Reason: Method:

5: Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance 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)'

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. je . U T Sea r ok 1-DATE 06/11/93: ,

COMPLETED BY P. E. Nardone

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TELEPHONE (603) 474-9521-

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Ext. 40741 REFUELING INFORMATION REQUEST

1. Name of facility: Seabrook Unit 1 i

2. Scheduled date for next refueling shutdown:

Refueling Outage 3, 03/26/94 P

3. Scheduled date for restart following refueling: ,

Refueling Outage 3, 05/20/94 i

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: 193 (b) 136 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: 1

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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 _ j 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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