ML20117K494

Monthly Operating Rept for May 1996 for Seabrook Station, Unit 1

ML20117K494
Person / Time
Site:	Seabrook
Issue date:	05/31/1996
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-96038, NUDOCS 9606110308
Download: ML20117K494 (5)

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i North North Atlantic Energy Service Corporation P.O. Box 300

' Atlantic seahroot,N u G3374 0

(603) 474-9521 l

The Northeast Utilities System l

l JN 6 1996 Docket No. 50-443 NYN-96038

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United States Nuclear Regulatory Commission l

Attention: Document Control Desk Washington, DC 20555 Seabrook Station Monthly Ooerniino Reno,

l Enclosed please find Monthly Operating Report %-05. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of May,19% and is submitted i

in accordance with the requirements of Seabrook Station Tecimical Specification 6.8.1.5.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

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Jhe William A. DiPr 10 Station Director l

cc:

T. T. Mtrtin, Region i Administrator A.W. De Agazio, NRC Project Manager, Seabrook Station J.B. Macdonald, Senior Resideia inspector, Scabrook Station I

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9606110308 960531 PDR ADOCK 05000443' R

PDR 4

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OPERATING DATA REPORT i

DOCKET NO.

50 443 UNIT Seabrook1 l

DATE June 4,1996 I

COMPLETED BY P.E. Nardone TELEPHONE 603/474-9521 l

Ext. 4074 DPERATING STATUS 1.

Unit Name:

Seabrook Station Unit 1 2.

Reporting Period:

MAY,1996 I

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):

1204 7.

Maximum Dependable Capacity (Net MWe):

1158 8.

If Changes Occur in Capacity Ratings (Items Number 3 thrwgh 7) Since Last Not Applicable Report, Give Reasons:

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9.

Power Level To Which Restricted, if An) & IWe):

None l

10.

Reasons For Restrictions, if Any:

Not Applicable l

a -.

j This Month Yr-to-Date Cumulative i

11, Hours in Reporting Period 744.0 3647.0 84360.0 12.

Number of Hours Reactor Was Critical 744.0 3607.9 44537.9 l

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Reactor Reserve Shutdown Hours 0.0 0.0 953.3 l

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Ilaurs Generunr On-Line 744.0 3553.7 42163.8 i

15.

Unit Reserve Shutdown flours 0.0 0.0 0.0 l

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Gross Thermal Energy Generated (MWH) 2537602 11476251 138568524 t

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Gross Elec. Energy Generated (MWII) 899603 4038518 48183808 l

18.

Net Electrical Energy Generated (MWH) 866353 3877892 46285648

• 19.

Unit Service Factor 100.0 97.4 80.5 l

• 20.

Unit Availability Factor 100.0 97.4 80.5 l

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• 21.

Unit Capacity Factor (Using MDC Net) 100.6 91.8 77.6 f

92.

Unit Capacity Factor (Using DER Net) 101.4 92.6 77.7 i'

• 23.

Unit Forced Outage Rate 0.0 2.6

6. I 24.

Shutdowns Scheduled Over Next 6 Months (Type. Date, None Sc5cduled and Duration of Each):

25.

If Shut Down At End Of Report Period. Estimated Date of Not Applicable Startup:

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' NOTE: " Cumulative

• values based on total hours startmg 8/19/90, date Regular Full Power Operation began. Increased MDC values (Items 6 & 7) startmg j

!2/01/95.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-443 l

UNIT SeabrookI DATE June 4,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 l

MONTil: MAY, 1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) l 1

1164 11 1164 2

1165 18 1164 3

1164 19 1165 l

4 1165 20 1165 5

1165 21 1165 i

6 1164 22 1165 l

7 1165 23 1165 8

1165 24

!!64 J

9 1164 25 1165 10 1164 26 1165 l

11 1165 27 1165 12 1164 28 1165 j

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13 1164 29 1165 14

!!64 30 1164 15 1164 31 1164 16 1164 INSTRUCTIONS On this format, list the av, rage daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50443 UNIT Seabrook i DATE June 4,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 REPORT MONTil MAY 1996 2

NO.

DATE TYPE' DURATION REASON METIIOD OF SIIUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT 8

(IIOURS)

DOWN REACTOR FER)RT #

RECLTRENCE Page 1of1 No entnes for this month 1

2 3

F.

Forced Reason:

Method:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refueling 3 - Automatic Scram D - Regulatery Restriction 4 - Cominued from previous month E - Operator Training & License Examination 5 - Power Reduction (Duration = 0)

F-Admmistrative 9 - Other (Explain)

G - Operational Error (Explain) 11 - Other (Explain) 3 of 4

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REFUELING INFORMATION REQUEST DOCKET NO.

50443 l

UNrr Seabrook 1 l

DATE June 4,1996 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-932t j

Ett.4074 I

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1.

Name of Facility:

Seabrook Unit 1 2.

Scheduled date for next refueling shutdown:

Refueling Outage 5, 06/28/97 [ changed from 06/07/97 ]

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Scheduled date for restart following refueling: Refueling Outage 5, 08/04/97 [ 38 days: based on RO 04 ]

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4.

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

I N/A

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Schedule date(s) for submitting licensing action and supporting information:

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N/A i

6.

Important licensmg considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed l

design or performance analysis methods, significant changes in fuel design, new operating procedures:

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1 N/A 7.

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

1 (a)In Core:

193 (b) 288 l

8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been l

requested or is planned, in number of fuel assemblies:

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Present licensed capacity:

1236 l

No increase in storage capacity requected or planned.

9.

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

l Limed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refelings with full l

core offload capability.

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

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