ML20065S157

Monthly Operating Rept for Apr 1994 for Seabrook Station Unit 1

ML20065S157
Person / Time
Site:	Seabrook
Issue date:	04/30/1994
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-94058, NUDOCS 9405170155
Download: ML20065S157 (5)

Text

1 M.,.

h Ortl1 North Atlantic Energy Service Corporation P.O. nox 300 f, AtltlniiC Seabm (NH 03m n

(603) 474M21, Fax (603) 474 2987 The Northeast Utilitien System Ted C. Feigenbaum NYN-94058 Senior Vice President &

Chief Nuclear Officer May 13,1994 United States Nuclear Regulatory Commission Washington, IX: 20555 Attention:

Document Control Desk

Reference:

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

Subject:

Monthly Operating Report Gentlemen:

Enclosed please lind Monthly Operating Report 94-04. This report addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of April,1994 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours,

/

Ted C. Feigenbaum Enclosure cc:

Mr. Thomas T. Martin Regional Athninistrator United States Nuclear Regulatory Commission Region 1 175 Allendale Road King of Prussia, PA 19406 Mr. Albert W. De Agatio, Sr. Project Manager Project Directorate I-4 Division of Reactor Projects i

U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Antone C. Cerne NRC Senior Resident inspector P.O. Box 1149 Seabrook Nil 03874 9405170155 940430 I

PDR ADOCK 05000443 R

PDR

OPERATING DATA REPORT 7

DOCKET N0. 50-443 UNIT Seabrook 1 DATE 05/13/94 COMPLETED BY L E. Nardone TELEPHONE (603) 474 9521 Ext. 4074 OPERATING STATUS 1.

Unit Name:

Seabrook Station Unit 1 2.

Reporting Period:

APRIL 1994 3.

Licensed Thermal Power (RWt):

3411 4.

Nameplate Rating (Gross MWe):

1197 5.

Design Electrical Rating (Net HWe):

1148 6.

Maximum 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 Report. Give Reasons:

Not Applicable 9.

Power Level To Which Restricted. If Any: _,,,

None

10. Reasons For Restrictions, If.Any:

Not Applicable This Month Yr..to Date Cumulative i

11. Hours In Reporting Period 719,0 2879.0 66072.0

12. Number Of Hours Reactor Was Critical 193.5 1833.9 29541.0

)

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3

14. Hours Generator On-Line 191.0 1797.7 27474.9 l

15. Unit Reserve Shutdown Hours 0.0 -

0.0 0.0

16. Gross Thermal Energy Generated (MWP) 580745 6023932 89456378

17. Gross Elec. Energy Generated (MWH) 202971 2103831 31077575

18. Net Electrical Energy Generated (MWH) 194752 2022074 29845692

• 19. Unit Service Factor 26.6 62.4 80.6

• 20. Unit Availability Factor 26,6 62.4 80.6 1

• 21.-Unit Capacity Factor (Using HDC Net) 23.6 61.1 77.3

• 22. Unit Capacity Factor (Using DER Net) 23.6 61.2 77.4

• 23. Unit Forced Outage Rate 0.0 23.5 7.7

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

j REFUELING. 04/09/94. Scheduled 57 Days

25. If Shut Down At End Of Report Period. Estimated Date Of Startup: 06/04/94 1

• NOTE:

" Cumulative" values based on total hours starting 08/19/90, date Regular Full Power Operation began.

1 of 4

AVERAGE DAILY UNIT POWER LEVEL DOCKET N0. 50 443 UNIT Seabrook 1 DATE 05/13/94 COMPLETED BY P. E. Nardone TELEPHONE (603) 474 9521 Ext. 4074 MONTH APRIL. 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net)

(MWe-Net) 1 1153 17 0

2 1151 18 0

3 1M2 19 0

4 1119 20 0

5 1060 21 0

6 1060 22 0

7 1020 23 0

8 480 24

-0 9

0 25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

16 0

INSTRUCTIONS 1

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.

2 of 4

t UNIT SFUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-443 UNIT Seabrook 1 DATE 05/13/94 REPORT MONTH APRIL. 1994 COMPLETED BY P. E. Nardone TELEPHONE (603) 474-9521 L!

Ext. 4074 No.

Date Type Duration Reason #

Hethod of Licensee Cause & Corrective (Hours)

Shutting Event Action t9

.j Down Reactor' Report #

Prevent Recurrence Page 1 of 1 i

94 02 04/09/94 5

528.0 C

1 NA Scheduled Refueling Outage

-t l

5 1

2 3

F: Forced Reason:

Method:

5: Scheduled 4-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram

[

0-Regulatory Restriction 4-Continued from E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction G Operational Frror (Explain)

(Duration = 0)

H-Other (Explain) 9-Other (Explain) r.

' 3 of 4 l

I -

I

i 4

DOCKET NO. 50 443 UNIT Seabrook 1 j

DATE 05/13/94 COMPLETED BY P. E. Nardone TELEPHONE (603) 474-9521 Ext. 4074 REFUELING INFORMATION REQUEST 1.

Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown:

Refueling Outage 3, 04/09/94 3.

Scheduled date for restart following refueling:

Refueling Outage 3. 06/04/94 4.

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

No 5.

Scheduled 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:

None

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

(a) In Core:

143*

(b) 258

• Full Core Off-load in progress.

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.

1he current licensed capacity is adequate until at least the year 2010.

4 of 4 J