ML20217H610

Monthly Operating Rept for Sept 1997 for Seabrook Station, Unit 1

ML20217H610
Person / Time
Site:	Seabrook
Issue date:	09/30/1997
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97102, NUDOCS 9710160162
Download: ML20217H610 (5)

Text

. _ _ _ _ -

in.'

i North Nonh Atlantidnem Senia Cwpomtion P.0, Box 300 Atlantic seaar-t. sii O3874 1

i (603) 474 9TC) i I

The Northeast Utilities System

(

l October 10,1997 Docket No. 50-443 NYN-97102 United States Nuclear Regulatory Commission Attention: Document Control Desk Washingtan, DC 20555 l

Seabrook Station Monthly Onerating Reoort j

Enclosed please find Monthly Operating Report 97-09. This report addresses the operating and l

shutdown experience relating to Seabrook Station Unit i for the month of September,1997 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.8.1.5.

Should you required further information regarding this matter, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.

Very truly yours, NORTil ATLANTIC ENERGY SERVICE CORP.

~

.k EA. DiProfio[

Station Manager j

l cc:

H. J. Miller, Region 1 Administrator A. W. De Agazio, NRC Project Manager, Seabrook Station 5

x w %Lf I F. P. Bonnett, Senior Resident inspector, Seabrook Station n

v

\\

j i

j* 1 i n (*j

., v i,,,.v w -.

9710160162 970930 PI)R ADOCK 05000443 R

PDR

...m

_________l

OPERATING DATA REPORT DOCKET NO.

50-443 UNIT Scabrook 1 DATE October 2,1997 COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 DPIRiTINGSIAIL'S 1.

Unit Name:

Seabrook Stauon Unit i 2.

Reporting Period:

SElrTEMBER,1997 3.

Licensed 1hermal Power (MWt):

3411 4.

Nameplate Rating (Gross MWe):

1897 5.

Design Electrical Rating (Net MWe):

1148 6.

Maximum Dependahle Capacity (Gross MWe):

1201 7.

Masimum Dependable Capacity (Net MWer 1158 8.

If Changes Occur in Capacity Ratings (ltems Number 3 thrmigh 7) Smcc Last Not Applicable Report, Give Reasons:

9 Power Level To Which Restricted, if Any (Net MWe):

None 10.

Reasons For Restrictions, if Any:

Not Applicable This Month Yr.t+Date Cumulative 11.

thiurs in Rep'rting Period 720.0 6551.0 9fo48.0 12.

Number of Ilours Reactor Was Cntical 720.0 3409.7 55084.6 13.

Reactor Reserve Shutdown thiurs 0.0 0.0 953.3 14.

Ilours Generator On-Line 720.0 5352.7 52653,5 15.

Unit Reserve 'hutdown ih>urs 0.0 0.0 0.0 16.

Gross Thernut Energy Generated (MWII) 2365268 18014965 34086175 17.

Gros < Elec, Energy Generated (MW10 833829 6362779 60744746 18.

Net Electrical Energy Generated (MWil) 801584 6120867 58372816

• 19.

Utiit Service Factor 100.0 81.7 82.2

• 20.

Unit Availability Factor 100.0 81.7 82.2

• 21.

Umt Capacity Factor (Using MDC Net)

%. I 80.7 79.8

• 22.

Unit Capacity Factor (Using DER Net) 77.0 81.4 80.1

• 23.

Unit Forced Outage Rate 0.0 0.0 4.9 24.

Snutdowns Scheduled Over Next 6 Months (Type, Date, None Scheduled and Duration of Each):

25.

If Shut Down At End Of Report Period. Esumated Date of Not Applicable Startup:

• NOTE; "Cumulauve" values based un total hours startmg 8/!9/90, date Regular Full Power Operation began.

Increased MDC values (Items 6 & 7) startmg 12/01/95.

Iof4 1

l u

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-443 UNIT SeabrookI DATE Octolwr 2,1997 COMPLETED BY P.E. Nardone TELEPilONE (NO) 773 7074 MONTil SEPTEMBER,1997 DAY AVERAGE DAll.Y POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe. Net)

I i160 17 654 2

1160 18

$96 3

1160 19 1109 4

1160 20 1IN) 1160 21 1161 6

1160 22 1161 7

1861 23 1861 8

1160 24 1161 9

1159 25 1161 10 1158 26 1161 11 1159 27 1161 12 1159 28 1861 13 1159 29 1161 14 1158 30 1161 15 1149 16 887 INSTRUCTIONS On this format, list the average daily unit p>wer level in MWe Net for each day in the reporting month. Compite to the nearest whole megawatt.

2 Of 4

UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50443 UNTT Seatmwk 1 DATE Ottrder 2.1997 COMPLE1TD BY P.E. Narime TELEPlIONE tN)3) 773-7074 MONT11 SEITEMBER,1977 f

NO.

DATE TYPE' DURATION REASON MET 110D OF SIIUTTING LICENSEE DENT CAUSE & CORRECTIVE ACTION TO PRDENT (IIOURS)

DOu?! REACTOR' REPORT #

RECURRENCE Pageiof1 974%

09/15/97 F

0 A

5 N/A A circun tnard fadure aswiated u ah the Mam Feedwater Pump A speed control system forced a power j

reductum to 50% RTP. The pump was removed from service and repairs were mmated. The plars returned to full power operatum on 09/19N7.

1 2

3 F: Forced Rease:

Medad:

S: Scheduled A - Equrpmera Failure (Esplam) 1 - Manual B - Maintenance or Test 2 - Manual Scram C - Refuelmg 3 - Auswnatk Scram D - Regulatory Restrictum 4 - Cemtmued frtwn prevues nmwnh E - Operator Trainmg & License Examination 5 - Power Reductum (Duratam = 0)

F - Administranvc 9 - Other (Explam)

G - Operatumal Error (Explain)

II - Other (Explam) 3 of 4 L.._

,,,I REFUELING INFORMATION REQUEST DOCKET NO.

$o-443 UNIT Scabrook i DATE October 2.1997 COMPLETED BY P.E. Nardonc TELEPilONE (603) 773-7074 1.

Name of racility:

Seabrook Unit i 2.

Scheduled (late for next refueling shutdown:

Refueling Outage 6, 03/06/99 3.

Scheduled date for restart following refueling: Refueling Outage 0, 04/14/99 [ 40 days ]

4.

Will refueling or resumptio'i of operation thereafter require a technical specification change or other license amendment?

N/A 5.

Schedule 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:

N/A 7.

The number of fuel assemblies (a) in the core (b) la the spent fuel storage pool and (c) in the new fuel storage vault (a) 193-(b) 372 (c) 4 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 retuelings with full core offload capability.

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

4 of 4