ML20093F543

Monthly Operating Rept for Sept 1995 for Seabrook Station Unit 1

ML20093F543
Person / Time
Site:	Seabrook
Issue date:	09/30/1995
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-95077, NUDOCS 9510180018
Download: ML20093F543 (5)

Text

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l North Atlantic Energy Service Corporation

,1. NortL u

y.O.oo 300 Atlantic Seabrook, nil 03874

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(603) 474-9321, Fax (603) 474-2987 The Northeast Utilines System Ted C. Feigenbaum Senior Vice President &

NYN-95077 Chief Nuclear Officer October 13,1995 United States Nuclear Regulatory Commission Washington, DC 20555 Attention:

Document Control Desk

Reference:

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

Subject:

Monthly Operating Report Gentlemen:

Enclosed please find Monthly Operating Report 95-09. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of September,1995 and is submitted in accordance with the requirements of Seabrook Station Technical Specifica ion 6.8.1.5.

Very tru yours, f,a / a.,

7 Ted C. Feigenb Enclosure cc:

Mr. Thomas T. Martin Regional Administrator United States Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia, PA 19406 Mr. Albert W. De Agazio, Sr. Project Manager Project Directorate 1-4 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. John B. Macdonald NRC Senior Resident Inspector PO Box 1149 Seabrook,NH 03874 9510180018"950930 PDR ADOCK 05000443 R

PDR I

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OPERATING DATA REPORT DOCKET NO.

50-443 UNIT ScabrookI e

DATE 10/13/95 i

COMPLETED BY P.E. Nardone TELEPilONE 603/474-9521 Ext.4074

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OPERATING STATUS 1.

Unit Name:

Seabrook Station Unit 1 2.

Reporting Period:

SEPTEMBER 1995 3.

Licensed 7hermal Power (MWt):

3411 4.

Nameplate Rating (Gross MWe):

1197 5.

Design Electrical Rating (Net MWe):

1148 6.

Maxunum Dependable Capacity (Gross MWe):

1200 7.

Maximum Dependable Capacity (Net MWe):.

1150 8.

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

9.

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

il10MWe 10.

Reasons For Restrictions, If Any:

Final Stage FW IIcating capability lost for remainder of Cycle. Throttling j

Reheat Steam to MSR's to Improve Unit Efficiency.

This Month Yr-to. Date Cumulative I 1.

Ilours in Reporting Period 720.0 6551.0 785(M.0 i

12.

Number of Ilours Reactor Was Critical 720.0 6300 6 39567.6 13.

Reactor Reserve Shutdown llours 0.0 0.0 953.3 i

~

14.

Ilours Generator On-Line 720.0 6157.9 37302.1 s

15.

Umt Reserve Shutdown flours 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWil) 2455018 21023710 122860519 17.

Gross Elec. Energy Generated (MWil) 833367 7270424 42694759 18.

Net Electrical Energy Generated (MW11) 800345 6989641 41016758

• 19.

Unit Service Factor 100.0 94.0 80.1

• 20.

Unit Availability Factor 100.0 94.0 80.1 I

• 21.

Unit Capacity Factor (Using MDC Net)

%.7 92.8 77.5

• 22.

Unit Capacity Factor (Using DER Net) 96.8 92.9 77.7

• 23.

Unit Forced Outage Rate 0.0 6.0 6.7 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, Refueling, 11/04/95,36 Days and Duration of Each):

25.

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

• NOTE: *Comulative' values based on total hours starting 8/19/90, date Regular Full Power Operation began.

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4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50443 UNIT Seabrook i DATE 10/13/95 COMPLETED BY P.E. Nardone TELEPIIONE 603/474-9521 Ext. 4074 MONTil: SEFTEMBER 1995 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)

I 1110 17 1114 2

1109 18 1812 3

1109 19 1112 A

1109 20 1110 5

1109 21 1110 6

1109 22 1112 7

!!!2 23 1113 8

1813 24 1112 9

1113 25 till 10 1112 26 1112 1111 27 1812 12 til2 28 1112 13 1113 29 1812 14 1114 30 till 15 1814 16 1114 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reportmg month. Compute to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POMER REDUCTIONS DOCKET NO.

50443 UNIT Seabrook i DATE IW13/95 COMPIITED BY P.E. Nardone 4

TEIIPHONE 603/474-9521 Ext.4074 REPORT MONIl{

SEPTEMBER 1995 NO.

DATE TYPE' DURATION REASON

• METHOD OF SHUTTING LICENSEE EVEAT CAUSE & CORRECITVE ACI1ON TO PREVENT (HOURS)

DOWN REACIOR*

R2 PORT #

RECURREhCE Page1er1 No entnes for this month.

I 2

3 F: Forced Reason-Method:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Mai==-- or Test 2 - Mmial Scram C - Refueling 3 - Automanc Scram D - Regulatory Restncnon 4 - Conuraned from previous month E - Operator Training & License Exammation 5 - Power Reduccon (Duration = 0)

F - Adnumstrative 9 - Oder (Explam)

G - Operanonal Ermr (Explain)

H - Other (Explain)

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REFUELING INFORMATION REQUEST I

DOCKET NO.

50-443 UNIT Seabrooki DATE 10/t3/95 COMPLETED BY P.E. Nardone TELEPHONE 603/474-9521 i

Ext. 4074 i

l 1.

Name of Facility:

Seabrook Unit 1

- 2.

Scheduled date for next refueling shutdown:

Refueling Outage 4,11/04/95 3.

Scheduled date for restart following refueling: Refueling Outage 4,12/09/95 4.

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

l Yes, revisions to Technical Specifications for Main Steam Safety Valve setpoints, Pressure Isolation Valves, Feedwater Isolation and RCS Temperature for oxygen control will be required.

5.

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

License amendment requests for all of the above, have been submitted.

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:

Implementation of Amendment #33 to Facility Operating License Wide Band Operation.

7.

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

(a)In Core:

193 (b) 208 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 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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