ML20151E830

Monthly Operating Rept 88-03 for Mar 1988

ML20151E830
Person / Time
Site:	Seabrook
Issue date:	03/31/1988
From:	Nardone P, George Thomas PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NYN-88046, NUDOCS 8804150395
Download: ML20151E830 (6)

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OPERATING DATA REPORT DOCKET No. 50-443 DATE 04/08/88 COMPLETED BY P. Nardone TELEPHONE T603) 474-9521 (Ext. 4078)

OPERATING STATUS

1. Unit Nane: Seabrook Station Unit 1

2. Reporting Period: MARCH 1988 1 Licensed Thermal Power (mit): 3411 4 Naneplate Rating (Gross MWe): 1197

5. Design Electrical Rating (Net MUe): 114R

6. Maxinun Dependable Capacity (Cross FWe): 1197 (Initial design value) 7 Maximun Dependable Capacity (Net MWe): 1148 (Initial design value)

8. If Changes occur in Capacity Ratings (Itens Number 3 Through 7)

Since Last Report, Give Reasons: Not Applicable 9 Power Level To Which Restricted, If Any (Net MWe): Zero power 10 Reasons For Restrictions, If Any: License issued on 10/17/86 is a zero power license which allows fuel loading and performance of non-nuclear testing.

This Month Yr.-to-Date Cumu la t ive

11. Hours In Reporting Period 744,0 2184.0 12769.0

12. Number Of Hours Reactor Was Critical 0.0 0.0 0.0

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 0.0 0.0 0.0

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Cross Thermal Energy Generated (MWH) 0 0 0

17. Gross Elec. Energy Generated (MWH) 0 0 0 18 Net Electrical Fnergy Generated (MWH) 0 0 0 19 Unit Service Factor 0.0 0.0 0.0

20. Unit Availability Factor 0.0 0.0 0.0

21. Unit Capacity Factor (Using MDC Net) 0.0 0.0 0.0

22. Unit Capacity Factor (Using DER Net) 0.0 0.0 0.0

23. Unit Forced Outage Rate 0.0 0.0 0.0 24 9hutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Not Scheduled

25. If Shut Down At End Of Report Period, Estimated Datr- Of Startup: Not Applicable

26. Units In Test Status (Prior to Conmercial Operation): Forecast Achieved INITI AL CRITICALITY 1988 Not Applicable INITIAL ELECTRICITY 1988 Not Applicable COMMERCIAL OPERATION 1988 Not Applicable 1 of 5 8804150395 DR 880331 ADOCK 05000443 {

DCD

AVERAGE DAILY UNIT POWER LEVEL DOCKET No. 50-443 UNIT Seabreok 1 DATE 04/08/88 COMPLETED BY _

P. Nardone TELEPHONE (603) 474-9521 (Ext. 4078)

MONTP, MARCH, 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 0 16 0 2 0 17 0 3 0 18 0 4 0 19 0 5 0 20 0 6 0 21 0 7 0 22 0 8 0 23 0 9 0 24 0 10 0 25 0 11 0 26 0 12 0 27 0 13 0 28 0 14 0 29 0 15 0 30 0 31 0 I NSTRtICTIO'iS on this format, list the average daily unit power level in MWe-Net for eact day l in the reporting nonth. Compute to the nearest whole negawatt. I 1

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DOCKET NO. 50-443 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Seabrook 1 *-

DATE 04/08/83 COMPLETED BY P. Nardone REPORT MONTH MARCH, 1988 TELEPHONE (603) 474-95M (Ext. 4078)

No. Date Type l Duration Reason 2 Method of Licensee Cause & Corrective (Hours) Shutting Event Action to Down Reactor 3 Report # Prevent Recurrence NO ENTRIES FOR THIS MONTH I 2 3 F: Forced Reason: Method:

S: Scheduled A-Equipment Failure (Eya'11n) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued from E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction C-Operational Error (Explain) (Duration = 0)

H-Other (Explain) 9-Other (Explain) 3 of 5 w_ . _ _ _ _ _ _ _ _ _ - - _ _ _ _ _ - .- _.

Docket Noo 50-443 Date 04/08/88 Unit Name Seabrook I '+ I-Completed By P. Nardone Telephone (603) 474-9521 .

(Ext. 4078) _

CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EOUIPMENT Page 1 of 1 REPORT MONTH MARCH, 1988 DATF SYSTEM COMPONENT MAINTENANCE ACTION 03/21/88 Primary 1-CC-V-448 Valve leaking by seat. Replauni Conponent Uaste Processing seal ring.

Cooling Bldg. Return Isolation Valve 03/23/88 Reactor 1-R C-PB-4 56E Bistable card def ect ive. Replaced Coolant Train B defective card.

PORV High Pressure Actuation 03/23/88 Reactor 1-RC-TB-432C Bistable card defective. Replaced Coolant Protection Set 3 defective card.

LO TAVG Feedwater Isolation 4 of 5

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. Docket No. 50-443 D:ts: 04/08/88

• Completed By: P. Na rdone Telephone: (603) 474-9521 (Ext. 4078)

REFifELING INFORMATION REQUEST

1. Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Not Scheduled

3. Scheduled date for restart following refueling: Not Scheduled

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

Unknown at this time.

5. Scheduled date(s) for submitting licensing action and supporting information:

Not Applicable

6. Important licensing considerations associated with refueling, e.g.,

new or different fuel design or supplier, unreviewed design or performance analysis nethods, 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: 193 (b) 0

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.

4 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 sixteen refuelings and full core offload capability.

The current Itcensed capacity is adequate until at least the year 2007.

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George S. Thomas Vkm hesk$ent Huch ModucMon Put2c Service of New HampeNro New Hampshire Yankee Division NYN- 88046 April 11, 1988 i

United States Nuclear Regulatory Connission Washington, DC 2050 Attention: Document Control Desk

Reference:

Facility Operating License No. NPF-56, Docket No. 50-443

Subject:

Monthly Operating Report Gentlemen In accordance with Technical Specification Section 6.8.1.5, enclosed please find Monthly Operating Report 88-03 covering the operation and shutdown experience relating to Seabrook Station Unit 1.

Very truly yours, f474 8 Georg( S. Thomas Enclosure cc: Regional Administrator United States Nuclear Regulatory Cocaission Region 1 425 Allendale Road King of Prussia, PA 19406 Mr. A. C. Cerne NRC Senior Resident Inspector Seabrook Station Seabrook, NH 03874 P.0, Box 300. Seabrook, NH 03874 . Telephone (603) 474 9574

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