ML20085E422

Monthly Operating Rept for Sept 1991 Seabrook Station, Unit 1

ML20085E422
Person / Time
Site:	Seabrook
Issue date:	09/30/1991
From:	Feigenbaum T PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-91166, NUDOCS 9110180222
Download: ML20085E422 (6)

Text

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. New Hampshire Yh hh.

Ted C. Feigenbaum Presdent and Chief E xecutive Of ficer NYN-91166 October 16, 1991 United States Nuclear Regulatory Commission Washington, DC 20555 Attention:

Document Control Desk

Reference:

Facility Operating License NPF.86, Docket No. 50 443

Subject:

Monthly Operating Report Gentlemen:

l l

Enclosed please find Monthly Operating Report 91-09.

This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of September,1991' and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

1.

Very truly yours, f)gh'th/tb

~

Ted C. Fprgenbaum l

l Enclosure (s)

TCF:WJT/ tad cc:

Mr, Thomas T, Martin l

Regional Administrator i

United States Nuclear Regulatory Commission l

Region 1 475 Allendale Road King of Prussia, PA 19406 l

Mr. Gordon E. Edison, Sr. Project Manager Project Directorate I-3 Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555 l

Mr. Noel Dudley NRC Senior Resident inspector P.O. Box 1149 Seabrook, NH 03874 l

l 9110180222 910930 PDR ADOCK 05000443

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/ t-l New Hampshire Yonkee Division of Public Service Company of New Hampshire

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P.O. Box 300 = Seabrook, NH 03874

• Telephone (603) 474-9521 V

....4-i New llampshire. Yankee October 16, 1991 p

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ENCLOSURE 1 TO NYN 91166 l

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OPERATING DATA REPORT l

DOCKET NO '

50,443 UNIT Seabrook 1 DATE 10/16/01 COMPLETED BY P.-Nardone TELEPHONE (603) 474-9521 (Ext. 4074) 19?IRbTING STATUS

- 1.. Unit Names _ _ _

Seabrook Station Unit 1

'2.-

_ Reporting! Period:

SEPTEMBER 1991 3.-

Licensed Thermal Power (HWt):

3411

4.

Nameplate: Rating (Gross MWe):

1197 5.

Design Electrical-Rating-(Net MWe):

1148 6.

Maximum Dependable Capacity (Gross HWe):

1200

'7..

Maximum Dependable Capacity.(Net MWe):

1150

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

Since Last Report, _Give Reasons:

Not Applicable 19.

Power LevelfTo Which Restricted..If Any:

None

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

11. Hours In Reporting Period 720.0 6551.0

__ 43440,0

12. Number Of Hours Reactor Was Critical 0.0-4650,1 10369.4

13. Reactor Reserve Shutdown Hours 0,0 0,0 953.3 14._ Hours Generator On-Line 0,0 4575,6 8703,0

-15. Unit' Reserve Shutdown Hours 0,0 0,0 0,0

16. : Gross Thermal Energy Generated (MWH) 0 14687730 272R8055

17. Gross. Elec. Energy Generated-(MWH) 0 5107161 9379078

'18._ Net-Electrical Energy Generated (MWH) 0 4904131 8998129

• 19. Unit Service Factor 0.0 69.8 75,0

• 20. Unit Availability Factor 0,0

-69,8 75,0

• 21._ Unit Capacity Factor (Using MDC' Net).

0.0 65,1 70,8

• 22. Unit _ Capacity Factor (Using DER Net)

-0.0 65.2 71,0

-*23.

Unit Forced Outage Rate 0,0 7.9 10.5

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

REFUELING. 07/27/91. 67 DAYS-

_25.,If Shut Down At_End Of Report Period. Estimated Date Of Startup:

10/10/91

-* NOTE: Values based on accumulated hours starting 08/19/90, date Regular Full' Power Operation began.

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AVERAGE DAILY UNIT-POWER LEVEL 4

DOCKET NO.

50-443 UNIT Seabrook 1 DATE 10/16/91 CCMPLETED BY,_f Nardone--

TELEPHONE (603) 474-9521 (Ext; 4074).

__ MONTH SEPTEMBER. 1991 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 -

0 22 0

8 0

23 0

r-

,9-0-

24 0

m26

/10 0'

25 0

11

-0 26 0

- 0 27 0

. 13,

0 28-0 14 0

-29 0

15 0-30 0

' 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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..ie, ii.1 UNIT SHUTDOWNS AND POWER REDUCTIONS-DOCKET CO.

50-443 ' "

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-UNIT-S** brook-l'

DATE ~10/16/91' REPORT HONTH SEPTEMBER. 1991

. COMPLETED BY:

P. Na rde_n_e -

TELEPHONE (603) 474-9521-(Ext. -' 4 074 )

No.

lDate

' Type Duration.

Reason

. Method of Licensee Cause is Corrective 3

i Event Action to-(Hours)-

Shutting

.3

= Down Reactor -

Report #4 Prevent Recurrence Page 1 of 1.

91-08 09/01/91

.S 720 C

4

-N/A

-Scheduled refueling outage.

l 3

1 2

Method F: Forced Reason:

1-Manual S:

Scheduled A-Equipment Failure (Explain)

B-Maintenance or Test 2-Manual Scram 3-Automatic Scram C-Refueling 4-Continued from D-Regulatory Restriction E-Operator Training E License Examination previous month F-Administrative 5-Power Reduction G-Operational Error (Explain)

(Duration = 0)

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

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I DOCKET NO.

$0-443 UNIT Seabrook 1

].

DATE 10/16/91 COMPLETED BY P. Hardone TELEPHONE (603) 474-9521 (Ext. 4074)

REFUELING INFORMATION REQUEST 1.-Name of facility ' Seabrook Unit 1

2. Scheduled date for next refueling shutdown:

07/27/91 actual 07/25/91

3. Scheduled date for restart following refueling: 09/30/913 estimated 10/16/91

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

No

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 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) 60

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:

l I

l Licensed capacity of 1235_ fuel assemblies bated on fourteen refuelings and full core offload capability.

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The current licensed capacity is adequate until at least the l

year 2010, 4 of 4 l