ML20216H614

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Monthly Operating Rept for Aug 1997 for Seabrook Station
ML20216H614
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 08/31/1997
From: Diprofio W, Nardone P
NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97096, NUDOCS 9709160327
Download: ML20216H614 (5)


Text

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(603) 474-9fal 11:e Northeost Utilities Systern September 9,1997 Docket No. 50-143 NYN-97096 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Seabrook Station Monthly Operating Report Enclosed please find Monthly Operating Report 97-08. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of August,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 L. liarpster, l

Director of Licensing Services, at (603) 773 7765.

Very truly yours, NORTil ATI NTIC ENERGY SERVICE CORP, William A. Iyif ofio Station.>irector cc:

11. J. Miller, Region 1 Administrator A. W. De Agazio, NRC Project Manager, Seabrook Station F. P. Bonnett, Senior Resident Inspector, Seabrook Station

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OPERATING DATA REPORT DOCKET NO.

50443 UNIT Seabrook I i

DATE September 2,1997 COMPLETI.D llY P.E. Nardone TELEPliONE (fG) 773-7074 OlilQUNG STNrt'S 1.

Umt Name:

Seabrook Station Unit I 2.

Reputing Period:

A11 GUST, IVn 3.

Lkensed Thermal Power (MWO:

3411 4.

Nameplate Rating (Gross MWe):

liv 7 5.

Design Electrical Raung (Net MWet i148 6.

Maximum Dependable Capacity (Gross MWe):

12N 7.

Maximum Dependable Capacity (Net MWe):

1158 l

8, If Changes Occur in Capacity Ratings (Items Number 3 through 7) Suu L.

Not Apphcable Repirt, Give Reasons:

9.

Power Level To Which Restricted, If Any (Net MWe):

None 1

10.

Reasons For Restrictions, if Any:

Not Applicable This Month Yr-m-Date Cumulative

!I, llours in Reporting Period 744.0 5831.0 95328.0 12.

Number of !!ours Resetor Was Critical 744.0 4689.7 543M.6 13.

Reactor Reserve Shutdown llours 0.0 0.0 953.3 14, llours Generator On Line 744.0 4632,7 51933.5 15.

Unit Reserve Shutdown flours 0.0 0.0 0.0 16.

Gross Thermal Enerry Generated (MWil) 2537484 1564 % 97 171720907 17.

Gross Elec. Energy Generated (MWil) 896443 5528950 59910917 18.

Net Electrical Energy Generated (MWlb 863"l9 5319283 57571232

  • 19.

Unit Service Factor 100 0 79.4 82.0

'20.

Unit Availabihty Factor 100.0 79.4 82.0

'21, Unit Capacity Factor (Using MDC Net) 100.2 78.8 79.6

  • 22.

Unit Capacity Faetor (Using DER Net) 101.0 79.5 79.9

  • 23.

Unit Forced Outage Rate 0.0 0.0 5.0 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, None Scheduled l

and Duration of Each):

l 25.

If Shut Down At End Of Report Perioo. Estimated Date of Not Applicabh Startup:

' NOTE: "Cumulanve" values based on total hours startmg 8/19/90, date Regular Full Power Operanon began.

increased MDC values (Items 6 & 71 starting 12/01/95.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50443 e

UNIT Scabrook1 DATE Septemter 2,1997 COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 MONTil AUGUST,1997 DAY AVERAGE DAILY )WER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe het)

(MWe.&t) 1 1161 17 1161 2

1161 18 1161 3

1161 19 1160 4

1159 20 1160 1159 21 1160 6

1159 22 1158 7

1159 23 1159 8

1160 24 1159 9

1161 25 1159 10 1161 26 1158 11 1161 27 1160 12 1161 28 1161 13 1161 29 1161 14 1161 30 1161 15 1160 31 l160 16 1861 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Nst for each day in the reporting momh. Comatte to the nearest vhole megawatt.

1 2 of 4

UNIT SHUTDOWNS AND POWER REDUCTIONS a

DOCKET NO.

50-443

=

UNIT Seabrwt I DATE Septemher 2.157 COMPLETED BY P.E. Nardore TELEPIIONE (N13) 773-7074 hf0NT11 AUGUST,IVn 2

No.

DATE TYPE' DURATION REASON AIETIIOD OF SilUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT ti!OURS DOM?i REACTOR' REPORT #

kECURRENCE Page1erI No eturies for this nymth 1

2 1

F: Forced Reasom Mettsd:

S: Scheduled A - Equiprnent Fadure (Explain)

I - Manual B - Maimenance or Test 2 - Manual Scram C - Refueling 3 - Automatic Scram D - Regulatory Restrictkm 4 - Continued inrm previms nwiruh E - Operator Trairung & License Examinatkin 5 - Power Reducten (Duration = 0)

F-Administratise 9 - Oder (Explain)

G - Operational Error (Exg lain)

II - Other (Explain) 3 of 4

REFUELING INFORMATION REQUEST DOCKET NO.

50443 UNIT Seabrook i DATE September 2, IW7 COMPLETED BY P.E. Nardone TELEPilONE (NO) 713-7074 1.

Name of Facility:

Seabrook Unit 1 2.

Scheduled date for next refueling shutdown:

Refueling Outage 6, 03/06/99 3.

Scheduled date for restart following refueling: Refueling Outage 6, (M/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 procedures:

N/A 7.

The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b) 372 (c) 4 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 storage capacity requested or planned.

9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the prese'It licensed capacity:

Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full core ofiload capability.

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

4 of 4

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