ML20105B595

Monthly Operating Rept for Aug 1992 for Seabrook Station.W/

ML20105B595
Person / Time
Site:	Seabrook
Issue date:	08/31/1992
From:	Feigenbaum T, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-92122, NUDOCS 9209210041
Download: ML20105B595 (5)

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-.y%m 1 Odli Ee'o%f.""03874 Telephone (603)474 9521

. jh Facsimile (603)474 2987 Energy Sorvice Corporation Ted C. Feigenbaum Senior Vice Presidetit and Chief Nuclear Officer N Y N-9212 2 Ser':mber 11, 'i992 United States Nuclear llegulatory Commission Washiagton, DC 20555 Attention: Document Control Desk 14 cier e n ce s: l'ucility Operating :.icense NPF-Xfi, Docket No. 50 141

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S ubjec t : Monthly Operating l<'eport Gentlemen:

linclosed please find Men ily Opriating Report 92-08. This report addrcsses the operating and shutdown experience relating to Scabrook Station Unit I for the month of August, 1992 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Very truly yours, l[./p ,y -

Tcd C Feigenbdm finclosu re llegional Administrator U.S. Nuclear Regulatory Cammission Region I 475 Allendale Road '

King of Prussia, PA 19406 Mr. Gordon 11 IIdison, Sr. Project Manager Project Directorate 1-3 Division of Reactor Projects U.S. Nuclear Regrlatory Commission Washington, DC 20555 Mr. Noel Dudley NRC Senior Resident inspector P.O. llox 1149 Seabrook, Nil 03874 9210041 920831 'pt 8 p ADOCK 05000443 PDR rnember of the Northeast Utihties system s/p

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OPERATING DATA REPORT DOCKET NO. 50-443 UNIT Seabrook 1

• DATE -09/11/92 COMPLETED BY P. Nardone TELEPHONE ,L6_03)_ 474-9721 (Ext. 4074)

GPERATING STATUS l '. Ur.it Name Seabrook Station Unit 1

2. Reporting Peried: AUGUa! 1992

3. Licensed Thernal Power (MWt): 3411

4. Nameplate Rating (Gross MWe): 1197

5. Design Electrical Rating (Net 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: Net Applicable

9. Power Level 10 Which Restricted. If Any: None

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

11. Hoars In Reportfig Period 744.0 5855.0 $1504.0 12-.-Number Of Hoers Reactor Uas Critical 744.0 5855.0 18220.5

13. Reac*or Reserve Shutdown Hours ~

0.0 0.0 953.3

14. Hott;s' Generator On-Line 744.0 5855.0 16379.0

-15. Unit Reserve Shutdown Fours 0.0 0.0 0.0 116. Gross Thermal Energy Generated (MWH) 2524004 19945885 _53015745 17-. Gross Elec.. Energy Generated (MWH) 882375 __69..'6149 18347398 18.' Net Electrical Energy Generated (MWH) 847611 6707645 17616020

>= *19. Unit - Service Factor 100.0 100.0 84.1 1

• 20. Unit Availability Factor- 1_00.0 100.0 84.1

• 21. Unit Capacity Factor (Using MDC Net) 99.1 99.6 30.8

• 22. Unit Capacity Factor (Using DER Net) 99.2 99.8 80.9

• 23. Unit Forced Outage Rute 0.0 0.0 5.4

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

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REFUELING. 09/07/92. 62 DAYS

25. If Shut Down At End Of-Report Period, Estimated Date Of Startup: Nat Anolicable j

• NOTE. ." Cumulative' values basnd on total' nours starting 08/19/90, date Regular Full Power Operation began.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET No. 50-443 U!!IT Seabrook 1 DATE 09/11/92 COMPLETED 11Y _ P. Nardone

( TE?EPHONE D 03) 474-9521

) (Ext. 4074)

MONTH AUGUST ;992 DAY AVEP& i DAILY POWER LEVEL DAY AVERAGE DAILY COWER LEVEL (MWe-Net) (MWe-Net)

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E 1 1.]46 16 1143 2 1147 17 1143 3 l i d. 7 ,_

18 1142 4 1146 19 1142

$ 1145 20 1145 6 1146 21 1145 L

7 1145 22 1146 8 1144 23 1146 9 _ _ _

1146 24 1146 10 1345 25 1147 _

11 1146 26 1144

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12 1146 27 1131 13 1145 28 1123 14 1130 25 1112 -

15 J142 30 1104 L

31 1095 j INSTRUCTIONS

, On tai, format, list the average daily unit power level in MWe-Net f- each day in the g rene ting, month. Compute to the nearest whole megawatt. -

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UNIT CHUTDOWS AND PCVER REDUCTIONS DOCKET NO. 50 443 UNIT Seabrook 1 ,

DATE 09/11/92 REPORT MONTH AUGUST. 1992 COMPLETED BY ^ P. Nardone TELEPHONE (603) 474-9521~

(Ext. 4074)

No. Date Type l Duration R e a s on' Methcd of Licensee Cause & Cor. ctive (Hours) Shutting Event iction to Down Reactor 3 Report # Prevcat Recurrence Page 1 of 1 92-01 08/26/92 S 0 H 9 N/A Fuel Coastdown 1: RTP/ Day I

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1 2 3 F: Forced Reason: Method: '

S: Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram 3 C-Refueling 3-Autematic Scram ,

D-Regulatory Restriction 4-Continued from E-Operator Training & License Ecamination previous month F-Administrative 5-Fower Reduction G-Operational Error (Explain) (Duraticn = 0; H-Other (Explain) 0-Other (Explain) 3 of 4

DOCKET NO. 50-443

. UNIT Seabrook 1 DATE 04/11/97 COMPLETED BY __P. Nardone TELEPHONE (603) 474-95 M (Ext. 40/4)

REFUELING INFORMATION REQ _UEST

1. Name of facility: Seabrook Unit 1

2. Scheduled date for next refueling shutdown: 09/07/92

3. Scheduled date for restart following refueling: 11/07/92

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

Yec, Reactor Coolann Syaten Narrow Range RTD Bypass Elimination

5. Otheduled date(s) for waLmitting licensing action and supporting inf onaa tion :

Submitted March 20, 1992, NRC Approved August 10, 1992 (License Amendment 12).

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

new or different fuel design or supplier, unreviewed design or performance analysis methods, s i gni f ic._ n t changes in fuel design, new operating procedures: -

Next refueling will be the initial start of the eighteen-month fuel cycle schedule.

7. Tb, number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool: 2 (a) In Core: 193 (b) 136

8. The present licensed spent fuel pool storage capacity and the size of any 1. crease in 11cer.*d* storage capacity that has been requested or 8

s planned, in numbet fuel assemblies:

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

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9. The projected date of the last refueling that can be discharged tc the spent fuel pool assuming the preseat licensed capacity:

Licensed capacity of 1236 fuel assemblies bese, on two annual and twelve eighteen-z.onth refuelings wit h f ull core of fload capability.

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

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