ML20154M842

Monthly Operating Rept for Sept 1998 for Seabrook Generating Station,Unit 1.With

ML20154M842
Person / Time
Site:	Seabrook
Issue date:	09/30/1998
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-98119, NUDOCS 9810210057
Download: ML20154M842 (5)

Text

{{#Wiki_filter:~ m. _ ';e-1 "'\\. North Atlantic Energy Service Corg. oration M_ g.gjg P.O. Ilox 300 Seabrook, NII O3871 Atltivitic 3 (6033 474 21 The Northtet l'tilities System October 14,1998 Docket No. 50-443 NYN-98119 United States Nuclee.r Regulatory Commission Attention: Document Control Desk i Wdshington, DC 20535-0001 1 E Seabrook Station Monthly Operatine Report ) Enclosed please find Monthly Operating Report 98-09. This repont addresses the operating and shutdown experience relating to Seabrook Station Unit I for the month of September,1998 and is submitted in accordance with the requirements of Seabrook Station Technical Specification .6.8.1.5. Should you require - further information regarding this

matter, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603h 773-7765.

2 Very truly yours, r NORTH ATLANTIC ENERGY SERVICE CORP. u J l 1 1 )$N VfA5 DiProfio Station Direct r. (' ' cc: j.H.J; Miller NRC Regioni Administrator y LJ. T. Harrison,-NRC Project Manager, Project flirectorate 1-3 L R. K. Lorsen, NRC Senior Resident Inspcctor ,. $ }N -{ j } ) { 1 9010210057 990930' r PDR. ADOCK 05000443 4 R PDR ,.i' '~ u }l '

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.. - _ ~.... ~ ~ ~ _ -. - -..- __ OPERATING DATA REPORT t DOCKET NO. 50-443 UNIT Seabrook I DATE October 01,1998 COMPLETED BY P.E. Nardone TELEPIIONE (6031 773-7074 OPERATING STATUS 1 Unit Name: Seabrook Station Unit 1 2. Reporting Period: SEITEMBER 1998 3. Licensed Thermal Power (MWt): 3411 4. Nameplate Rating (Gross MWe): n242 5. Design Electrical Rating (Net MWe): 1148 6. Maximum Dependable Capacity (Gross MWe): 1204 7. Maximum Dependable Capacity (Net MWe): !!58 8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Not Applicable Report, Give Reasons: 9. Power Level To Which Restricted, if Any (Net MWe): None 10. Reasons For Restrictions, If Any: Not Apphcable This Month Yr-to-Date Cumulative 11. !!ours in Report ng Period 720.0 6551.0 104808.0 12. Number of flouru Reactor Was Critical 720.0 5498.1 62161.6 13. Reactor Resene 1;hutdown Hours 0.0 0.0 953.3 l 14. Hours Generator On-Line 720.0 5437.2 59668.6 !5. Unit Keserve Shutdawn ihmrs 0.0 0.0 0.0 l l 16. Gross Thermal E.netgy Generated (MWil) 2455614 1 M50082 197M)8165 i ? 17. Gross Elec. Energy Generated (MWH) 868306 165132.?7 69154137 18. Net Elet:trical En.n gy Generated (MWit) 815Vil 6268268 66M5921

• 19.

Unit Setvice Factor 100.0 83.0 81.9

• 20.

Uist AEidlability Factor 1010 83.0 81.9

• 21.

Unit Caracity Factor (Using IWDC Net) 100.3 82.6 79.8 i

• 22.

Unst Capacity Factor (Uting DER Net) 101.1 83.3 80.1 ' + E

• 23.

Unit Forced Ouuge Rate' O.0 17.0 ".0 r. l

!4.

Shutdowt* Schecuted Over Next 6 Months (Type.' Date, Refudiru.OV27/99. 45<hys K and Durrion of Each). j l ll..

.25.

If Shut Dun At End Of Pcport Period, lhttn:atet Date of Not t ble I' Startup: s =_

---

.-.m

,t

• NOT3 'Omularise* values tmsed on total boun starti1g 8/1991, dus Regular Full Power Operanon began.

.l Increase 41 MDC valwes (Ircins 6 Ac 7) ststirg 12/01/95. Updated hem 4 per NUREG@20 in July 1998. 4 1of4 . I,k l i . ~ -

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50443 UNIT Seabrooki DATE October 01,1998 COMPLETED BY P.E. Nardone TELEPHONE (603) 773-7074 MONTil SEFFEMBER,1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1161 17 1161 2 1162 18 1160 3 1161 19 1161 4 !!61 20 1161 5 1161 21 1161 6 1161 22 1161 7 1161 23 1161 8 1161 24 1161 9 1161 25 1161 10 1161 26 1161 11 160 27 1162 12 1161 28 1162 13 1161 29 1161 14 !!61 30 1161 15 1161 31 16 1161 INSTRUCTIONS On this fonnat, list tle average daily unit Fower leveli1 MWe-Net for each day b the reporting month. Compute to the nearest whole megawatt. 2 of 4

m a UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 5(M43 UNIT Seabrook 1 3 DATE October 01,1993 COMPLETED BY P.E. Nardone s TELEPl(ONE (603) 773-7074 MONTH SElrrEMBER 1998 NO. DATE TYPE' DURATION REASON

• METI!OD OF SilUITING LICENSEE EVENT CAUSE & CORRECTIVE ACTION TO PREVENT (IIOURS)

DOWN REACTOR

• REPORT #

RECURRENCE Page1 ofI No entries for this month I 2 3 F: Forced Reason. Metful: S: Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refuelmg 3 - Automatic Scram D - Regulatory Restriction 4 - Continued from previous monrh E - Operator Trairt% & License Examination 5 - Power Reducuon (Duration = 0) F-Admmistrative

9. Other (Explain)

G - Operational Error (Explain) H - Other (Explain) 3 of 4

. -. ~ .,.~~.,,--.-.-,-.n..--. . - - ~ ~. ~.... -, . c REFUELING INFORMATION REQUEST DOCKET NO. 50-443 UNIT Seabrook i DATE October 01,1998 i COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 -1. Name of Facility; Seabrook Unit 1 2. Scheduled date for next refueling shutdown: Refueling Outage 6, 03/27/99 l 3. Scheduled date for restart following refueling: Refueling Outage 6, 05/10/99 [ 45 days ] 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? l N/A l [ 5. Schedule date(s) for submitting licensing action and supporting information: N/A l 6. Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed l design or performance analysis methods, significant changes in fuel design, new operating procedures: N/A 7. The number of fuel assemblies (a) in the core (b) in the spent fuel storage pool and (c) in the new fuel storage vault (a) 193 (b)- 376 (c) 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 two annual and twelve eighteen-month refuelings with full core offbad capability. The current licensed capacity is adequate until at least the year 2010. 1 f 4 of 4 ~,.. .}}