ML20155D521

Monthly Operating Rept for May 1988 for Seabrook Station Unit 1

ML20155D521
Person / Time
Site:	Seabrook
Issue date:	05/31/1988
From:	Nardone P, George Thomas PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NYN-88080, NUDOCS 8806150227
Download: ML20155D521 (7)

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OPERATING DATA REPORT l DOCKET NO. 50-443

.DATE 06/08/88 COMPLETED BY P. Nardone TELEPHONE-(603) 474-9521 (Ext. 4078) -

OPERATING STATUS l

1. Unit Name:- Seabrook Station Unit 1

2. Reporting Period: MAY 1988

3. Licensed Thermal Power-(MWt): 3411

14. Nameplate Rating (Gross MWe): 1197

5. Design Electrical Rating (Net MWe): 1148

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

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

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 (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 Cumulative i

11. Hours In Reporting Period 744.0 3647.0 14232.0

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. Gross Thermal Energy Generated (MWH) 0 0 0

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

18. Net Electrical Energy 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 l 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. 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, Unit; In Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY 1988 Not Applicable l INITIAL ELECTRICITY 1988 Not Applicable COMMERCIAL OPERATION 1988 Not Applicable h

. 1 of 6 I 8806150227 880531 PDR ADOCK 05000443:

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.' AVERAGE DAILY, UNIT POWER' LEVEL.

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DOCKET NO. 50-443 UNIT Seabrook 1-DATE 06/08/88 COMPLETED BY P. Nardone -

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

MONTH MAY, 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (HWe-Net) (HWe-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 i

i 11 0 26 0 12 0 27 0 13 0 ,

28 0 14 0 29 0 15 0 30 0 31 0 INSTRUCTIONS ,

I 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, i

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DOCKET NO. 50-443 '

-UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Seabrook 1 *

• DATE 06/08/88 -

COMPLETED BY- P. Nardone REPORT MONTH MAY, 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 3 Report # Prevent Recurrence NO ENTRIES FOR THIS MONTH J

1 2 3 F: Forced Reason: Method:

l S: Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory. Restriction 4-Oontinued from j I

l E-Operator Training & License Examination I,revious month l F-Administrative 5-Power Reduction G-Operational Error (Explain) (Duratian - 0)

H-Other (Explain) 9-Other (Explain)

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Dockat Na. 50-443-Date 06/08/88 ,;.

Unit Name Seabrook 1 Completed By. P. Nardone Telephone (603) 474-9521 (Ext. 4078)

CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT Page 1 of 2 REPORT MONTH MAY, 1998 DATE SYSTEM COMPONENT MAINTENANCE ACTION 05/13/88 Residual 1-RH-P-8A Pump experiencing high vibration.

Heat Train A Rebalanced pump.

Removal Residual Heat Removal Pump 05/13/88 Chemical and 1-CS-P-3B Pump experiencing high vibration.

Volume Control Train B Reshimmed pump base.

Boric Acid Transfer Pump 05/14/88 Feedwater 1-FW-PQY-546 Power supply card defective. Replaced Protection Set 4 defective card.

Low Pressure Steam Line Isolation 05/20/88 Chemical and 1-CS-P-3A Pump experiencing high vibra. ion.

Volume Control Train A Replaced pump rotor and bearings.

Boric Acid Transfer Pump 4 of 6

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Dockst No. 5*- 443 ' -

Date 06/08/88 , , . .

Unit Name Seabrook I -'

Completed By P. Nardone -

' Telephone (603) 474-9521 (Ext. 4078)-

CORRECTIVE MAINTENANCE

SUMMARY

FOR SAFETY RELATED EQUIPMENT Page 2 of 2 REPORT MONTH MAY, 1988 DATE SYSTEM COMPONENT MAINTENANCE ACTION 05/24/88 Control 1-CBA-FN-36A Fan breaker would not reset from Building Train A tripped position. Replaced defective :

Air Control Room breaker.

Air Conditioning Condenser Fan 05/25/88 Feedwater 1-FW-LI-504 Main control board PAM indicator Steam Generator D defective. Replaced defective indicator.

Wide Range Level Indic tor 05/26/88 Service Water 1-SW-P-41D Pump breaker failed during breaker Train B surveillance test. Replaced defective Service Water control device internal to breaker.

Pump 05/31/88 Service Water 1-SW-FN-51B Fan bearing worn. Replaced bearing.

Train B Cooling Tower Fan 5 of 6

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Docket No. 50-443 Date: 06/08/88 Completed By: 'P. Nardone Telephone: (603) 474-9511 (Ext. 4078)

REFUELING 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.

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

Not Applicable

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

new or dif f erent 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 pools (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.

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 sixteen refuelings and full core offload capability.

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

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x 8 e f George S. Thomas Vee Predderd Nuclect Production Put$c SeMce of New Hampshire N:w Hampshire Yankee Division NYN- 88080 June 8, 1988 United States Nuclear Regulatory Commission 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 88-05 covering the operation and shutdown experience relating to Seabrook Station Unit 1.

Very truly yours,

• S GeorgeS./ Thomas Enclosure cc Regional Administrator United States Nuclear Regulatory Commission Region 1 425 Allendale Road King of Prussia, PA 19406 Mr. A. C. Cerne NRC Senior Resident Inspector Seabrook Station Seabrook, NH 03874 P.O. Box 300 . Seabrook. NH 03874 . Telephone (603) 474-9574 ZbN glI