ML20059N933

Monthly Operating Rept for Sept 1990 for Seabrook Unit 1.W/

ML20059N933
Person / Time
Site:	Seabrook
Issue date:	09/30/1990
From:	Feigenbaum T, Nardone P PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-90185, NUDOCS 9010240118
Download: ML20059N933 (6)

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'NedH mpshiro Yankee t

e NYN 90185 October 12, 1990 United States Nuclear Regulatory Commission Washington, D.C.

20555 Attention:

Document Control Desk

References:

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

Subject:

Monthly Operating Report Gentlemen:

Enclosed please find Monthly Operating Report 90 09.

This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month _ of September,1990 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours, g

g h c-Ted C. Fei enbaum B

President and Chief Executive Officer Enclosure TCF/WJT: tad cc:

Mr. Thomas T. Martin Regional Administrator United States Nuclear Regulatory Commission Region 1 l

475 Allendale Road l

King of Prussia, PA 19406 i

Mr. Noel Dudley NRC Senior Resident inspector P.O. Box ' 1149 Seabrook, NH 03874 9010240118 900930 PDR ADOCK 05000443

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PDC R

New Hampshire Yonkee Division of Public Service Company of New Hampshire

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P.O. Box 300

• Seabroc,k, NH 03874

• Telephone (603) 474 9521

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OPERATING DATA REPORT I

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DOCKET NO.

50-443 UNIT Seabrook 1 DATE 10/12/90 1

COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)

OPERATING STATUS 1.

Unit Name:

Seabrook Station Unit 1 2.

Reporting Period:

SEPTEMBER 1990 3.

LicensedThermalPower(MWt):

3411 4.

NameplateRating-(GrossMWe):

1197 5.

DesignElectricalRating(NetMWe):

1148 1

6.

MaximumDependableCapacity(GrossMWe):

1200 MaximumDependableCapacity(NetMWe)(: ItemsNumber3Through7) 1150 7.

If Changes Occur in Capacity Ratings 8.

Since Last Report, Give Reasons:

Not ADDlicable l-9.

Power Level To Which Restricted, If Any:

None

10. Reasons For Restr'ictions, If Any:

Not ADDliCable This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 720.0 6551.0 34680.0

12. Number Of Hours Reactor Was Critical 720.0 3664.0 _

3858.4

13. Reactor Reserve Shutdown Hours 0.0 918.8 918.8

14. Hours Generator On-Line 720.0 2358.6 2358.6

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2316184 6685110 6686201 _

17. Gross Elec. Energy Generated (MWH) 811777 2209207 2209207 18.NetElectricalEnergyGenerated(MWH)-

781243 2109483

__L109483

• 19. Unit Service Factor

-100.0 97.2 97.2

• 20.-Unit. Availability Factor 100.0 97.2 97.2

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• 21.UnitCapacityFactor(UsingMDCNet) 94.4 91.6 91.6 l

• 22.. Unit Capacity Factor (Using DER Net) 94.5 91.8 91.8 i

• 23. Unit Forced Outage Rate 0.0-2.8 2.8

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

None Scheduled l

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

Not ADolicable

• NOTE: Values based on accumulated hours starting 08/19/90, date Regular Full l-Power Operation began.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-443 t

UNIT Seabrook 1 r

DATE 10/12/90 COMPLETED BY P. Nardone i

TELEPHONE (603) 474-9521 (Ext. 4074)

MONTH SEPTEMBER. 1990

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DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 1151 16 1153 2

1154 17 1151

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3 1140 18 1152 4

1146 19 908' 5

1149 20 372 6

1150 21 1028 7

1152 22 1072 8

1101 23 1023

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9 1148 24 1060 10 1150 25 1069 11 1149 26 1072 12 1150 27 1074 13 1151 28 1074

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14 1152 29 1079 15' 1146 30 1078 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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INIT SHUID00GGS AIO POWER REDUCTIGES DOCl T NO.

50-443 INIT Seabrook 1 DRTE 10/12/90 REP N r M NIH SEPrD!BER, 1990 CCEPIEIED BY P. Nard m e

'ITIEPIDGE (603) 474-9521 (Ext. 4074)

No.

Date Type Duration Reason 2 Method of Licensee Cause & Corra:tive l

(Hours)

Shutting Event Action to Down Reactor 3 Report #

Prevent Rectuunce Page 1 of 1 90-25 09/08/90 F

0 A

5 N/A Power reduced to 80% RrP. Circulating water ptmp 39C reoved fra service to investigate low lube water flow problem.

Power suburM to 100% RTP following restart of ptsp.

90-26 09/19/90 F

0 F/A 5

N/A Steemt generator chemistry out of speci ~

(

fication (Action Ievel II) required power reduction to 30% RTP. Power returned to 90% KrP following chenistry cleanup. Power being maintained at 93%

RTP following zumnal of circulating water ptmp 398 frm service for repair.

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3 F: Forced Reason:

Method:

S: Scheduled A-Equipnent Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continual frm E-Operator Training & Limnse Examination previous month F-Administrative 5-Power Reduction G-Operational Error (Explain)

(Dtuation = 0)

H-Other (Explain) 9-Other (Explain) 3 of 5

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DOCKET 1(h 50-443 tNIT Seabrook 1

+..

DATE 10/12/90 C N PLETED BY P. Nardone TELEP)KNE (603) 474-9521 (Ext. 4074)

RDTELIE INNRMATIN R100EST

1. Name of facility: Seabrook linit 1 i

2. Scheduled date for next refueling shutdown:

07/27/91 4

3. Scheduled date for restart following refueling:

10/01/91

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4. Will refueling or resumption of operation thereafter require a technical specification change or other license i===&ent?

Ilnknown at this time, i

5. Scheduled date(s) for subnitting licensing action and supporting Informaticn:

lbt Applicable

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

new or different fuel design or supplier, unreviewed design or perfonnance _ analysis methods, significant changes in fuel design, new operating g.vcadures:

-i None

7. We number of fuel assmblies (a) in the core and (b) in the spent fuel storage pools (a) In Core:

193 (b) 0

8. We present licensed spent fuel pool storage capacity and the size of 3

any increase in licensed storage capacity that has been requested or is planned, in number of fuel assa blies:

Present licensed capacity:

1236 No increase in storage capacity requested or planned, i

9. % e 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 assablies based on sixteen refuelings and full core offload capability.

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

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