ML20154D787

Monthly Operating Rept for Apr 1988

ML20154D787
Person / Time
Site:	Seabrook
Issue date:	04/30/1988
From:	Nardone P, George Thomas PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NYN-88063, NUDOCS 8805190344
Download: ML20154D787 (6)

Text

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m OPERATING DATA REPORT DOCKET NO. 50-443 IIATE 05/06/88 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4078)

OPERATING STATUS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: APRIL 1988

3. Licensed Thermal Power (MWt): 3411

4. Nameplate Rating (Cross MWe): 1197

5. Design Elect rical Kating (Net MWe): 1148

6. Maxiuum Dependable Capacity (Gross MWe): 1197 (Initial design value)

7. Maximum Dependable Capacity (Net MWe): 1148 (Initial design value)

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7)

Since Last keport, 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 Y r . -t o-Da t e Cumulative

11. Fours In Reporting Period 719.0 2903.0 13488.0

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

15. Unit Reserve Shutdown Hours C.0 0.0 0.0 '~~

0.0

)) 0.0 0.0

16. Gross Thermal Energy Generated (MWH) ~~

0 0 0

17. Gross Elec. Energy Generated (MWM) 0 0 0

18. Net Electrical Energy Generated (MWM) ,,

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 FmC Net) 0.0 0.0 0.0

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

23. Unit Forced Outage Eate 0.0 0.0 0.0

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

Not Scheduled

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

26. Units In Test Status (Prior to Commercia' Operation): Forecast Achieved INITI AL CRITICALITY 1988 Not Applicable INITIAL ELECTRICITY 1988 Not Applicable COMMERCI AL OPERATION __

1988 Not Applicable 3805190344 880430 PDR ADOCK 05000443 1 of 5 R DCD l [

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-443 UNIT Seabrook 1 DATE ~ 05/06/G8 COMPLETED BY P. Nardone TELEPHONE T603) 474-9521 (Ext. 4078)_

MONTH APRIL, 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERACE DAILY POWER L1: VEL (MWe-Net) (MWe-het) 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 F

INSTRUCTIONS ,

On this f ormat , list the average daily unit power level in MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

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DOCKET NO. 50-437

• UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Seabrook 1 DATE 05/06/88 + ,

COMPLETED BY P. Na rdone REPORT MOITH APRIL, 1988 TELEPHONE (603) 474-9521-(Ext. 4078)

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

S: Scheduled A-Equipment Failure (Explain) 1-Manual R-Maintenance or Test 7-Manual Scram C-Refueling 3-Automatic Scram D-Fegulatory 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

.. __. - =.

Docket No. 50-443 -

nate 05/06/88 Unit Name Seabrook I ,

~,

Completed By P. Na r.!one Telephone (603) 474-9521 (Ext. 4078)

CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT Page 1 of 1 REPORT MONTH APRIL, 198R DATE SYSTEM COMPONENT MAINTENANCE ACTION 04/11/88 Reactor 1-RC-TY-413E Ampli fier ca rd defective. Replaced Coolant Constrol Group 4 defective card.

PORV Cold Ove rpressu rizat ion Actuation 04/12/88 Primary 1-CC-V-32 Valve leaking by seat. Replaced broken Component Train A seal ring.

Cooling Spent Fuel Pool HX Inlet Isolation Valve 04/22/8R Eme rgency 1-DC-SE D-7 B Stud on locking mechanism for injector Diesel Train B adjustment broken. Replaced brcken stud.

Gene ra t o r Cylinder No. 15 Injection Pump 04/26/88 Main Stean 1-MS-V-92 Internal hydraulic oil leak causing excessive Steam Generator D cycling of hydraulic pump. Replaced faulty Main Steam dump solenoid.

Isolation Valve 4 of 5

., e - . .

- Dockst No. 50-443 Data: 05/06/88 Completed By: P. Nardone Telephone (603)_474-9521 (Ext. 4078)

REFUELINO INFORMATION REQUEST

1. Name of facilityt 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 thereaf ter require a technical specification change or other license amendment?

Unknown at this time.

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

Not Applicable

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

new or different fuel design or supplier, unreview9d design or perf ormance analysis methods, significant changes in fuel design, new operating procedures None

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

(a) In Core: 193 (b) 0 A. The present licensed spent fuel pool storage capacity and the size of any is crease in licensed 9torage capscity that has been requested or is planned, in number of fuel assembliest 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 paol assuming the present if, censed capacity:

Licensed capacity of 1236 fuel assemblies based on sixteen refuelings and full core offload capability.

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

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F.

, o George S. Thomas n n . . , .-- -

Pubec SeMee of New Hompshire N:w Hampshire Yankee Division NYN- 88063 May 9, 1988 United States Nuclear Regulatory Comission Washington, DC 20555 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 88-04 covering the operation and shutdown experience relating to Seabrook Station Unit 1.

Very truly yours, e

Geo r S. ge'/t"h Thomas Enclosure cca Regional Administrator United States Nuclear Regulatory Comission Region 1 425 Allendale Road King of Prussis, PA 19406 Mr. A. C. Cerne NRC Senior Resident Inspector Seabrook Station Seabrook. NH 03874

' \

F.O. Box 300. Seabrook, NH 03874. Telephone (603) 474 9574