ML20043G523

Monthly Operating Rept for May 1990 for Seabrook Unit 1. W/900613 Ltr

ML20043G523
Person / Time
Site:	Seabrook
Issue date:	05/31/1990
From:	Feigenbaum T, Nardone P PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-90-125, NUDOCS 9006200394
Download: ML20043G523 (6)

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INew; Hampshire-Ted C, Feigenboom 3 Senior Vice President and -

Chief Operating Officer NYN-90125

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June 13, 1990 United States Nuclear Regulatory Consnission

. Washington, DC .20555

. Attention: Document Control Desk l

References:

Facility Operating License NPF-86, Doc'.:et No. 50-443

Subject:

Monthly Operating Report m

, Gentlemen Enclosed.please find Monthly Operating Report 90-05. This report y ' addresses the operating and shutdown experience relating to Seabrook Station Unit'1 for the month of May, 1990 and is submitted in accordance with the requirements of-Seabrook Station Technical Specification 6'.8.1.5.

mt Very truly yours, f'

t Ted C. Feif nbaum m

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• TCF:VJT/ssi

', Enclosure

'cca Mr. Thomas T. Martin

• h 1 Regional Administrator

1. United States Nuclear Regulatory Conunission Region I.

475 Allendale Road

? King of. Prussia, PA 19406 w ;; D ;Mr. Noel Dudley NRC Senior Resident Inspector

P.O. Box 1149 4 Seabrook, NH 03874 4 ;c 1 .m 9006200394 900531 PDR R

ADOCK 05000443 PDC AA/

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1. New Hampshire Yankee Division of Public Service Company of New Hampshire )t\

'p.7 P.O. Box 300

• Seabrook, NH 03874

• Telephone (603) 474 9521

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i OPERATING DATA REPORT" I DOCKET NO. 50-443 UNIT Sea'arook 1 l DATE . 06/13/90 1 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)

OPERATING STATUS

1. Unit Name Seabrook Station Unit 1  ;

2. Reporting Period: MAY 1990 1

3. Licensed Thermal Power (HWt): 3411

4. Nameplate Rating (Gross HWe): 1197 5.. Design: Electrical Rating (Net MWe): 1148

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

7. . Maximum Dependable Capacity (;;al ;-M6)* 1148 (Initial design value) 8.- If Changes Occur in Capacity Ratings'(Items Number 3 Through 7)

Since Last-Report, Give Reasons: Not Apolicable

9. Power Level To Which Restricted, If Any: None

10. Reasons For Restrictions, If Any Not Aeolicable This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744.0 3623.0 31752.0

12. Number Of Hours Reactor Was Critical 138.5 1026.5 1220.9 i 13. Reactor Reserve Shutdown Hours 605.5 715.2 715.2 L 14. Hours: Generator On-Line 22.1 ~22.1 22.1

15. Unit Reserve Shutdown Hours. 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 36338 195339 196429

17. Gross Elec. Energy Generated (MWH) 2954- 2954 2954

18. Net Electrical Energy Generated (MWH) 2081 2081 2081 l  !*19.' Unit Service Factor 3.0 1.2 1.2

?*20. Unit Availability Factor 3.0 1.2 1.2 l

L *21. Unit' Capacity Factor (Using MDC Net) 0.2 _

0.1 0.1

!*22. Unit Capacity. Factor (Using DER Net) 0.2 _

0.1 0.1'

, 23. Unit Forced Outage Rate _

52.1 ,

52.1 52.1 l- 24. Shutdowns Scheduled over Next 6 Months (Type, Date, and Duration of Each):

1 Maintenance / Snubber Insosction. 11/03/90. 14 l' ave

[25. If' Shut Down At End Of Report Period. Estimated Date Of Startup: Not Applicable A6.-Prior to Commercial Operetion: Forecast Achieved l

? INITIAL CRITICALITY 1989 06/13/89 INITIAL ELECTRICITY 1990 05/29/90 COMMERCIAL OPERATION 1990 Not Applicable l

• NOTE: Year-to-Date and Cummulative values based on accumulated hours starting 03/15/90, date the full power license was issued.

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c. p AVERAGE DAILY UNIT POWER LEVEL u DOCKET ~NO,- 50-443 UNIT Seabrook 1

.' 1 DATE- 06/13/90 COMPLETED BY P. Nardone TELEPHONE (603)-474-9521 (Ext. 4074)

MONTH MAY 1990 r; DAY AVERAGE DAILY POWER LEVEL DAY- AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 -

0 16 0 2 0 17 0 w

'3 0 16 0 1

4 -0 19 0 l5 - 0 20 0 6 0 21 0 J7 0 22 0

'8 0 23 0

, i9' O 24 0 0 25 0

10 11 0 26 0 if

• L 12 0 27 0 r ,

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' 13 ' 0' 28 0

}' 14 'O 29- 5

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' 15 ; O 30 82 4 J '!-

31 0 ij ;.

INSTRUCTIONS 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.

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UNIT SHUIDOWS'AND F0WER REDUCTIGIS IXXTET NO. - 50-443 - ~

INIT Seabrook 1 ,

1 DpaE 06/13/90- -

( REECRP PDfIH MAY, 1990 EMPIEITD BY ' P. Nardone ,

i TEIEPIENE f 6031 474-9521 (Ext. 4074)

No. Date Typel Duration Reason 2 Method of Licensee Cause & Corrective (Hours) Shutting Event Action to Down Reactor 3 Report # Prevent Recurrence 90-03 05/01/90 S 605.5 B/F' 4 N/A Reector shutdown while turbine vazia is nodifying low pressure hwhina rotor blading as a result of hwhine torsional test data.

90-04 05/31/90 F 24 A 9 N/A Reactor power reduced to 2% RPP.

Generator breaker opened. Ttzrhine va du. remiring nechanical over-speed trip Inechanism.

1 2- 3 F: Forced Reason: Method:

S: Scheduled A-Equipnent Failure (Ruplai71) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Autmatic Scram D-Regulatory Restriction. 4-Continued fran E-Operator Training & License Examination previous nonth F-A*ninistrative 5-Power Reductim G-Operational Error (Explain) (Duration = 0)

H-Other (Explain) 9-Other (Explain) 3 of 5

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INIT hhnx* 1 l i:L DME 06/13/90 j CXMPLE11!D BY P. Nardone i TELEPtKNE 1603) 474-9521 (Ext. 4074)

REFUELING INFCEDATIN RBJUEST i

l. Nane of , facility: hhmok Unit 1

2. Schedule:1 date for next refueling shutdowns. 07/27/91 l l

r A 3. Scheduled date for restart following refueling: 09/21/91

4. Will refueling or restaption of operation thereafter require a technical '

specification change or other license amendment?

Unknown at this time.

5. Scheduled date(s) for subnitting licesing action and supporting information:

Not Applicable

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

. new or different fuel design or supplier, unreviewed design or perfonnance analysis methods, significant changes in fuel design, new operating g. d ures:

None t.

l- 7. The number of fuel assemblies (a) in the : ore and (b) in the spent fuel storage pools (a) In Core: 193 -(b) 0

8. 'Ihe present licensed spent fuel pool storage capacity an:1 the size of any increase in licensed storage capacity that has been requested or is planned,'in number of fuel assa blies:

Present licensed capacity: 1236 No increase in storage capacity requested or planned.

9. 'Ihe projectexi date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

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

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

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