ML20154C604

Monthly Operating Rept for Aug 1988 for Seabrook Station Unit 1

ML20154C604
Person / Time
Site:	Seabrook
Issue date:	08/31/1988
From:	Nardone P, George Thomas PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NYN-88120, NUDOCS 8809140425
Download: ML20154C604 (7)

Text

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OPERATING DATA REPORT DOCKET NO. 50-443 OATE 09/02/88 COMPLETED BY P. Nardone TELEPHONE (603) 474-95H (Ext. 4078)

OPERATING STATUS

1. Unit Name: Seabrook Station Unit 1 (

2. Reporting Period: AUGUST 1988  ;

3. Licensed Thermal Power (MWt): 3411  !

4. Nameplate Rating (Gross MWe): 1197 l

5. Design Electrical Rating (Net MWe): 1148 L

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

7. Maximum Dependable Capacity (Not NWe): 1148 (Initial design value) [

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

Since Last Report, Give Reasons: Not Applicable l l

9. Power Level To Wnich 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.

I This Month Yr.-to-Date Cumulative  !

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t

11. Hours In Reporting Period 744.0 5855.0 16440.0

12. Number Of Hours Reactor Was Critical 0.0 0.0 0.0 .

13. Reactor Reserve Shutiown Hours 0.0 0.0 0.0 f

14. Hours Generator On-Line 0.0 0.0 0.0 t

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 l

16. Gross Thermal Energy Generated (HWH) 0 0 0 l

17. Gross Elec. Energy Generated (MWH) 0 0 0 i

18. Net Electrical Energy Generated (MWH) '

0 ~

0 0 f

19. Unit Service Factor O.0 0.0 0.0 r

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 i

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

Not Scheduled

25. If Shut Down At End Of Report Period, Estimateci Date Of 5tartup Not Applicable f

26. Units In Test Status (Prior to Consnercial Operation): Forecast Acitaved i INITIAL CRITICALITY 1988 Not Applicable INITIAL ELECTRICITY 1988 Not Applicable COMMERCIAL OPERATION 1988 Not Applicable  !

8809140425 090631 1 of 6

[Da Aoocx osooo443 PNU l  % l l

I , ,

. , _ . = --

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l AVERAGE DAILY UNIT POWER LEVEL l I

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DOCKET NO. 50-443 UNIT 5eabrook 1 DATE 09/02/55 f' I COMPLETED BY P. Nardone  !

! TELEPHONE (603) 474-9521 1

l' S

(Ext. 4075) f MONTH AUGUST, 1088 '

l DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 4

(MWe-Net) (MWe-Net)  ;

I J l

,l 1 0 16 0 (

I 2 0 17 0 l ,,, t

) 3 0 18 0 i l 4 0 19 0 -

i I 5 0 20 0 J

6 0 21 0 -

7 0 22 0  !

< 8 0 23 0  !

r 9 0 24 0 I

(

10 0 25 0  !

11 0 26 0 i

12 0 27 0 J

r d

13 0 28 0 '

i 14 0 29 0 I I

! 15 0 30 0 i

i i

31 0

l i

INSTRUCTIONS l l

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On this format list the average daily unit power level in NWe-Net for each day l i in the reporting month. Compute to the nearest whole megawatt. l

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l 2 of 6 ,

1 l l 1 l i  !

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UNIT SHUTDOWNS MO POWER REDUCTIONS UNIT MAME Seabrook 1 DATE 09/02/88 ~

3 COMPLETED BY P. Nardone -

REPORT MONTH AUGUST, 1988 TELEPHONE (603) 474-9521 l (Ext. 4078) i l

Typel No. Date Duration Reason 2 Method of Licensee Cause & Corrective (Hours) Shutting Event Action to Down Reactor 3 Report # Prevent Recurrence i

1 NO ENTRIES FOR THIS MONTH l

l 1 2 3 F: Forced Reason: Method: 1 S: Scheduled A-Equipment Failure (Explain) 1-Manual  ;

8-Maintenance or Test 2-Manual Scram l C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued from E-Operator Training & License Examination previous month l F-Administrative 5-Pow : Reduction 1 G-Operational Error (Explain) (Duration - 0)  ;

H-Other (Explain) 9-Other (Explain) 3 of 6 i

, _ _ _ _ _ _ _ _ _ _ - , . _ _ _ - - . - . - , - , - ,- - - - - - - - - . - - - - - - - - - - - - - - - - - - - - - - - - - , - - - - - - - -------rc<-- - - - - = - - - - - - - ~

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Docket No. 50-443

• Dato 09/02/88 Unit Name Seabrook 1 . ',s Completed By P. Nardene

• Telephone (603) 474-9521 (Ext. 4078) j CORRECTIVE MAINTENANCE SUMUtY FOR SAFETY RELATED EQUIPMENT Page 1 of 2 REPORT MON 1H AUGUST, 1988 0 ATE SYSTEM COMPONENT MAINTENANCE ACTION 08/01/88 Solid State K550 Visual inspection during surveillance Protection Train B test identified poor contact alignment Containment Spray on master relay. Replaced relay.

Master Relay 08/02/88 Primary 1-CC-V-122 Valve failed type "C" leak rate test.

Component Train B Cleaned valve internals and installed new Coo 11cg Containment seal.

Isolation Valve 08/04/88 Reactor 1-RC-FV-2881 125 VDC breaker for valve control circui-Coolant Train B failed to pass breaker surveillance test.

Reactor Head Replaced breaker.

Vent Isolation 08/08/88 Waste 1-WLD-V-81 125 VDC breaker for valve control circuit Liquid Train B failed to pass breaker surveillance test.

Drains Containment Replaced breaker.

Isolation Valve 4 of 6

Docket No. 50-443 -

Date 09/02/88 Unit Name Seabrook 1 j Comp 1-ted By P. Nardone

• Telephone Tf03) 474-9521 (Ext. 4078)  ;

CORRECTIVE MAINTENANCE SUMARY FOR SAFETY RELATED EQUIPMENT Page 2 of 2 REPORT MONTH AUGUST, 1988 DATE SYSTEM COMPONENT MAINTENANCE ACTION l

08/25/88 Diesel B1dg. 1-DAH-FN-258 Motor starter for fan overheated.

Air Handling Train 8 Neplaced breaker and line side stab Diesel Room assee ly.

Supply Fan 08/25/88 Service 1-SW-P-110A Surveillance data showed high pump Water Train A vibration. Replaced worn packing box Cooling Tower bearing.

Pinse 08/26/88 Radiation 1-RM-RM-6527A 120 VAC breaker for instrument power Monitoring Train A failed during radiation monitor sur-Coritainrent Oldg. ve111ance test. Replaced breaker.

Purge Line Radiation Monitor 08/31/88 Nuclear 1-NI-CP-14 Triax connector on input cable to Instrimentation Protecti n Ch. 4 instrumentation cabinet found defective Power Range during surveillance test. Replaced Channel connector.

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Docket No. 50-443 Dates 09/02/88 Completed By: P. Nardone Telephone: {603) 474-9521 (Ext. 4078)

REFUELING INFORMATION REQUEST

1. Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: Not Scheduled

3. Schedulee: 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: i hot Applicable

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, i i new operating procedures:

None

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

l (a) In Core: 193 (b) 0 '

8. The present licensed spent fuel pool storage capacity and the size of l any increase in licensed storage capacity that has been requested or l 1s planned, in number of fuel asserrblies: '

1 Present licensed capacity: 1236 ,

{ No increase in storage capacity requested or planned. L l

1 l l l 9. The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

l l 1 Licensed capacity of 1236 fuel assemblies based on sixteen

) refuelings and full core officad capability.

The current licensed capacity is adequate until at least the j year 2007, 1

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George S. Thomas vte heNNuch hoduch UI Putde SoMoe of New HampeNro Nw Hampshiro Yankee Division NYH- 88120 September 6. 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 Centlement In accordance with Technical Specification Section 6.8.1.5. enclosed please find Monthly Operating Report 88 08 covering the operation and shutdown experience relating to Seabrook Station Unit 1.

Very truly yours.

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$h Y GeorgefS. Thomas Enclosure cci Regional Administrator United States Nuclest Regulatory Comission Region 1 425 Allendale Road King of Prussia. PA 19406 Mr. A. C. Corne NRC Senior Resident Inspector Seabrook Station Seabrook, NH 03874 h '

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