ML20198Q259

Monthly Operating Rept for Oct 1997 for Seabrook Station

ML20198Q259
Person / Time
Site:	Seabrook
Issue date:	10/31/1997
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97112, NUDOCS 9711120156
Download: ML20198Q259 (5)

Text

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d pq NOIth Nor1h Atlantic Energy Service Corporation P.O. LW300 0p Atlantic s-bro, un mura (603)47 Mfcl l

"Ihe Northeast Utilities Systern l November 7,1997 i Docke; No. 50-443 i NYN-97112 United States Nuclear Regulatory Commission Attention: Document Controi Desk Washington, DC 20555 Seabrook Station hionthly. Operating Report  ;

linclosed please find Monthly Operating Report 9710. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the mond of October,1997 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6 8.1.5.

Should you required further information regarding this matter, please contact Mr. Terry I . liarpster, Director of t.icensing Services, at (603) 773 7765.

Very truly yours, NORTil ATLANTIC ENERGY SERVICE CORP.

b ' tb' Wiiiiam A. DiProfi[

Station Director ec: 11. J. Miller, Region i Administrator

.A. W. De Agazio, NRC Project Manager, Seabrook Station R. K. Lorson, Senior Resident inspector, Seabrook Station f

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.; 9 c: o 0 9711120156 971031 l'l g, . g PDR ADOCK 05000443 R pm *

• OPERATING DATA REPORT

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DOCKET NO. 50443 UNIT Seabrooki DATE November 3,1997 COMPLETED llY P.E. Nardorw TELEPilONE (603) 773-7074 Ol'tJUklL*ltGEIAll'S 1, Urut Narne: Seabrook Stathm Unit 1

2. Reporung Period; OCTOllER 1997

3. Licenr.e4 Tlwrmal Power (MWo: 3411

4. Nanwptate Ratmg (Oross MWe): 1197 j

5. Dengn Electrical Raung (Nel MWe):  !!48

6. Masimum Dependalde Capacity (Ortos MWe): 1204 d

7. Masimum Dependable Capacary (Net MWe): 1158

8. If Changes Occur in Capacuy Ratmgs (Items Number 3 through 7) Smce Last Not Apphcable Regurt. Olve Reasons:

9 Power level To Which Restricted, if Any (Net MWe): Note

10. Reasons For Restrwuons,If Any: Not Apphcable 11us Month Y.-tmDate Cunndative

11. Ilours in Reportmg Pernal 745.0 7296 0 96793 0

12. Number of flours Reactor Was Crstical 745.0 6154.7 $5829 6

13. Reactor Reserve Shuukmn llours 00 0.0 953.3

14. Ilours Gerwrator On Lirr 745.0 6097.7 5339N.5

15. Unit Reserve Shutdow illours 0.0 0.0 0.0 d

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16. Gross lirrmal Erwegy Oc:wrated (MWil) 2538688 20553653 176627863

17. Gross I:lec. Energy Gerwrated (MWID 896186 7258965 61640932

18. Net Electtwal Erwrgy Gerwrated (MWlh 862629 69834 % $9235445

• 19. Urut Servke Factor 100.0 83.6 82.4

'20. Unit Availabdity Fackir 100.0 83.6 82.4

'21. Unit Capaeuy Factor (Using MDC Net) 100.0 82.7 80.0

'22. Urut Capacity I actor (Using DER Net) 100.9 83.4 80.3

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• 23. Umt Forced Outage Rate 0.0 0,0 4.9

24. Shutdowns Scheduled Over Neit 6 Months (Type, Date, None Scheduled and Duratkm of Each):

25. If Shut Down At Eint Of Report Perkst. Estimated Date of Not Apphcable Startup:

w.

• NOTE: "Cunudative' values Msed on kwal hours starting 8/19580, date Regular f ull Power Operaten tegan.

Increued MDC situen (!tems 6 & 7) startmg 12/01/95 Iof4

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. AVERAGE DAllN UNIT POWER LEVEL 4

DOCKET NO. 50443 UNIT Scabrookl DATE Novender 3,1997 COMPLETTD BY P.E. Nardone Ti1EPilONE (603) 773 7074 MONTil OCTOBER,1997 DAY AVI: RAGE DAILY IOWER LEVEL DAY AVERAGE DAILY POWER LEVII (MWe-Net) (MWe-Net) 1 1161 17 1859 2 1161 18 1159 3 1161 19 1859 4 1161 20 1860

$ 1161 21 1859 6 1161 22 1159 7 1861 23 1858 8 1161 24 1859 9 1161 25 I159 10 1861 26 1159 ll 1161 27 1837 12 1860 28 1116 13 1160 29 1859 14 1160 30 1159 15 1160 31 1157 16 1160 INSTRUCTIONS On tius format, list the everste dal'y unit power level in MWe Net for each day in the reporting nmnth. Compute to the nearest whole rnegawatt.

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o UNIT SIIUTDOWNS AND POWER REDUCTIONS '

t DOCKET NO. 50443 UNIT Seatest I DATE Novemtwr 3.1977 COMPLEfED BY P E Nardww TT1EP!iONE INJ3) T73-70'4 MONTil OCTOBER.1997 NO. DATE TYPE' DURATION REASON

• METilOD OF SIIt*1 TING LICENSEE DENT CAUSE & CORRECITE ACTION TU PREVENT OIOURS) DOWN REACTOR' REPORT # RECLRRENCE PageIof1 9747 10/27/97 F 0 A/F 5 Unrelated penNems mere a$entifed an leap I am! 4 Reacer Proerctum Tw,m.;-, chaturk I.emy 1 OPDT setsms dnfied high aral one of the three 12wy 4 T lut tempera we andwatux:s faded high.

Folieming a power reductum em %% RTP. the indrvalual tasy setnperamre channel atal asusated twaNes were placed m a trtried coralitum per Tech:ncal Specificarums.

Operatums pe.o required a 4% RTP power reductum with Loirs 1. 3 or 4 temperature channels m a trgyed condamm.11us action gvovaks margm agams an inadvertern OPDT reacaw tnp cx e the U;Ter Plerami Fkw Airxnaly.

12xy 4 seroperature channel w.s reewed to seruce (dommg replacement of a Channel Test circun hevd.

temy I amm ,-_, channel mas reewed s' service followmg replacement of OPDT setpmn Summmg Amphfae vcus1mard.

The U:st retened e fu!! power ryeration on 10'2Rv7 1 2 3 F: Fmed Reason: Mettrut S Scheduled A - bgurpmers Fa !ure (Explam) I - Manual B - Marruenance or Test 2 - Manual Scram C - Refuelmg 3 - Automatic Scram D - Regulatory Restnctum 4 - Centmued from prevwms morph E - Operator Tranung & Ixense Exammatum 5 - Power Reductum (Duratum = 0)

F - Admsmstratne 9 - Other (Eur4am)

G - Ogeranonal Error (Esplaint II - Other (Explam) 3 of 4

,o REFUELING INFORMATION REQUEST DOCKET NO. $M43 UNIT Seabrook i DATE Novemter 3.1997

• "OMPLETED BY P.E. Nardone TELEPflONE (603) 77 7074

1. Name of Facility: Seabrook Unit 1

2. Scheduled date for n:xt refueling shutdown: Refueling Outage 6, 03/06/99

3. Scheduled date for restart following refuding: Refueling Outage 6, 04/14/99 [ 40 days ]

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

N/A

5. Schedule 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 procedtres:

N/A

7. The number of fuel assemblics (a)in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b) 172 (c) 4

8. The present licensed spent fuel pool storage sapacity and the size of any increase in licensed storage capacity that has been requested or is planned, in numbcr of fuel assemblies:

Present licensed capacity: 123ti No increase in storage capacity requested or planned.

9. The projected d1.c of the last lefueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

Licensed capacity of 1236 fuel assemblies based na 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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