ML20127C128

Monthly Operating Rept for Dec 1992 for Seabrook Station Unit 1

ML20127C128
Person / Time
Site:	Seabrook
Issue date:	12/31/1992
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-93003, NUDOCS 9301130317
Download: ML20127C128 (5)

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j eab k ,;3874 Telephone (603)474-9521

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FacsimHe @M)4M 2987 Energy Service Corporation Ted C. Feigenbaum Senior Vice President and Chief Nuclear Officer NYN 93003 January 8,1993 United States Nucicar llegulatory Commission Washington, D.C. 20555 Attention: Document Control Desk

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it e fe re nce: l'acility Operating 1 icense No. NPF 86, Docket No. 50-443

Subject:

Monthly Operating Itcport Gentlemen:

F.nclosed please find Monthly Operating iteport 92-12. This report addresses the operating and shutdown experience relating to Seabrook Station U nit i for the month of December,1992 and is submitted in accordante with the requirements of Scabrook Station Technical Specification 6A1.5.

Very truly yours, p #

Ted C Fe) enbaum linclosurc _

oc: Mr. Thomas T. Martin llegional Administrator U S. Nuclear llegulatory Commission itegion 1 475 Allendale Road King of Prussia, PA 19406 Mr. Albert W, De Agatio, Sr. Project Manager Project Directorate 1-3 Division of llcactor Projects U.S. Nuclear llegulatory Commission Washington, DC 20555 Mr. Noel Dudicy NRC Senior llesident inspector P.O. Ilox 1149 Scabrook, Nil 03874 11 g 3 .

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OPERATINO DATA REPORT DOCKET NO. 50-443 UNIT Seabrook 1 DATE 01/08/93 COMPLETED BY P. Nardone TELEPHONE (603) 474 95M (Ext. 4074) o OPERATING STAIMS. S

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: DECEMBER 1992

3. Licensed Thermal Power (Kdt): 3411

4. Nameplate Rating (Gross Kde): 1197

5. Design Electtical Rating (Het MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1200

7. Maximum Dependable Capacity (Net MWe): 1150 -

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, It Any: None

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

11. Hours In Reporting Period 744.0 8784.0 54433.0

12. Number of Hours Reactor Was Critical 697.1 7137.9 19503.4

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3

14. Hours Generator On-Line 682.5 7056.9 17580.9

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2237482 23453607 56523557

17. Gross Elec Energy Generated (MWH) 783233 819038-8 19561638

18. Net Electrical Energy Generated (MWH) 752158 7868438 18776813

• 19. Unit Service Factor 91.7 80.3 78.1

• 20. Unit Availability Factor 91.7 80.3 78.1

• 21. Unit Capacity Factor (Using MDC 'e t ) 87.9 77.9 74.3

• 22. Unit Capacity Factor (Using DER Net) 88.1 78.0 74.4

• 23. Unit Forced Outage Rate 8.3 1.3 5.5

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

None Scheduled

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

• NOTE: " Cumulative" values based on total hours starting 08/19/90, date Regular Full Power Operation began.

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p.  :'- l AVERAGE DAILY' UNIT. POWER LEVEL.

DOCKET'NO. 50-443 UNIT Seabrook 1 DATE 01/08/93 COMPLETED BY P. Hardone TELEPHONE (603) 474-9521 (Ext. 4074).

MONTH DECEMBER, 1992

-DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER: LEVEL' (MWe-Net) (MWe-Net) 1 1153 16 231 2 1155 17 760 3 1154 18 1154 4 1154 19 1154 5 1154 20 1154 6 1154 21 1153 7 1154 22 1153 8 1154 23 1153 9 1154 24 1153 10 1154 25 1153 11 1155 26 1153

.12 1154 27 1153 13 325 28 1154 14 0 29 1154 15 25 30 1154 31 1154 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 SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-443 .,

UNIT Seabrook l' ..

DATE -01/08/93 '

REPORT MONTH DECEMBER. 1992 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521  ;

(Ext 4074)

No. Date Type! Duration Reason? Method of Licensee Cause & Corrective  !

(Hours) Shutting Event Action to Down Reactor 3 Report i Prevent Recurrence Page 1 of"1 t

92-05 12/13/92 F 61.5 2 92-025 Manual reactor trip due to loss of  !

circulating water flow to the condensers. i See LER 92-025 for information on root -

cause and corrective action -

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1 2 3 F: Forced . Reason: Method: i S: Scheduled A-Equipment' Failure.(Explain) 1-Manual B-Maintenance or. Test 2-Manual Scram C-Refueling 3-Automatic Scram

.D-Regulatory Restriction 4-Continued from E-Operator Training'&-License.. Examination previous month 7 F-Administrative 5-Power Reduction .

G-Operational Erroru(Explain)

(Duration = 0)

'H-Other.(Explain) 9-Other (Explain) 'j r

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.-- ,- REFUELING INFORMATION REQUEST DOCKET NO. 50-443 UNIT Seabrook 1 DATE 01/08/93 COMPLETED BY P. Nardone TELEPHONE (603) 474-9521 (Ext. 4074)

1. Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown:

Refueling Outage 3, 03/26/94

3. Scheduled date for restart following refueling:

i Refueling Outage 3, 05/20/94

4. Will refueling or resumption of operation thereaf ter require a tecnnical specification change or other license amendment?

No

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

N/A

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 pool:

(a) In Core 193 (b) 136

-8. The present licensed spent fuel pool storage capacity and tha 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 two annual and twelve eighteen-month refuelings with full core offload capability.

The current _llcensed capacity is adequate until at least the year-2010.

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