ML20205L814

Monthly Operating Rept for Mar 1999 for Seabrook Station. with

ML20205L814
Person / Time
Site:	Seabrook
Issue date:	03/31/1999
From:	Diprofio W, Nardone P NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-99042, NUDOCS 9904140303
Download: ML20205L814 (5)

Text

.

.- t g "

., North Atlantic Energy Service Cori> oration Sy; North I' o n- 3*

Sealiroot, Nll 03874 Atltiittic .

<co3,42 9.t2i The Nortlwast l'tilitien Sptem April 9,1999 Docket No. 50-443 NYN-99042 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 Seabrook Station March 1999 Monthly Operating Report Enclosed please find Monthly Operating Report 99-03. This report addresses the operating and shutdown experience relating to Seabrook Station Unit 1 for the month of March,1999 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. James M. Peschel, Regulatory Compliance Manager, at (603) 773-7194.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP. /p

'/

))sd t/

W. A.Dil50fi

,2 Station Direct r 1 cc:

H. J. Miller, NRC Region I Administrator J. T. Harrison, NRC Project Manager, Project Directorate 1-3 l R. K. Lorson, NRC Senior Resident Inspector j

_n 9904140303 990331 PDR ADOCK 050004434 g PDR m J

OPERATING DATA REPORT DOCKET NO. 50-443 UNIT Seabrook1

, DATE April 1,1999 COMPLETED BY P.E. Nardone TELEPilONE (603) 773-7074 OPER ATING STATUS

1. Unit Name: Seabrook Station Unit 1

2. Reporting Period: MARCH 1999

3. Licensed Thermal Power (MWt): 3411

4. Nameplate Rating (Gross MWe): 1242

5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable Capacity (Gross MWe): 1204

7. Maximum Depetulable Capacity (Net MWel: 1158

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. Reasais For Restrictions. If Any: Not Applicable This Month Yrao-Date Cumulative

!!. Hours in Reporting Period 744.0 2160.0 109177.0

12. Number of Hours Reactor Was Critical 628.7 2044.7 66107.6

13. Reactor Reserve Shutdown Hours 0.0 0.0 953.3 14 Hours Generator On-Line 624.4 2040.4 63567.7 15, Unit Reserve Shutdowni Hours 0.0 0.0 0.0 I f>. Gross Thermal Energy Generated (MWH) 2098281 69C3315 211068688

17. Gross Elec. Energy Generated (MWH) 741814 2444884 73802831

18. Net Electrical Energy Generated (MWH) 713644 2352764 70938&t9

• 19. Unit Servk;c Factor 83.9 94.5 82.4

• 20. Unit Availability Factor 93.9 94,5 82.4

• 21. Unit Capacity Factor (Using MDC Net) 82.8 44.1 80.3

• 22. Unit Capacity Factor (Using DER Net) 83.6 94.9 80.6

• 23. Uni Forced Ou' age Rate 0.0 7.1 0.0 l

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, Refueling,03/27/99, 45 days arxl Duration of Each):

25. If Shut Down At End Of Report Period, Estimated Date of Restan,05/10/9 j Startup:

• NOTE: " Cumulative" vabes based on total hours starting &l9/90, date Regular Futi Power Operation began.

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

Updated item 4 per NUREG41020 in July 1998.

Iof4

AVERAGE DAILY UNIT POWER LEVEL e

DOCKET NO. 50 413 UNIT Seabrook 1 DATE Apnl I,1999 COMPL.ETED BY P.E. Nardone TELEPilONE (603) 773'7074 MONTil MARCll, 1999 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 11(4 17 1161 2 1160 18 1161 3 1160 19 1161 4 1160 20 1160

$ 1160 21 1160 6 lith 22 1161 7  !!60 23 1161 8 1160 24 1161 9 1160 25 1859 10 1160 26 726 l

11 1160 27 1 l 12 1160 28 0 i

13  !!60 29 0 14 1161 30 0 15 1161 31 0 16  !!61 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, i

2 of 4 1

. T N

, E V

E R

P I

. Ofo 4 T 1 9 e 7 Ne 9 n 0 Og 1 9 o 7- r dr I d

1

, a 3

7 TP 3 I N 7 C 4 e l i

) A 4 t a r .

3 0

5 S

e A

p E.

P 0

6

(

EE VC

'I I'

TN I

CE O. TI E T Y E B N ER 8 Na N A o O RR RL U D t I

l P OC n  :

c LE CE R

• O t l P E &

D M T E S

O U C A C

T S M#

ET N

O E R A E

SP O /

N n

NE t ER _

U C I -

D L E )

R ha 0 R G mn=

E N io W I R eita c r O T 'O I iu v

eD P

UT mpn(r I

I C 4 SA amin o)

D FE 1 mr ot i a c r c a f

o N OR rSf c

uld p 3

A DN Si tcd e e x

- uRE S OW I

l l a a -

- nr (

O  : u u - ie r e N I TD E

do nn a a n

r oot wh hMMACPO W M te - - - - - -

O M1 23459 D 5 T

U H  :

N n S O i o

S C t

T I A a

n E

N R im a

U E x

) e n s n

)

n

- ia e i a

lp c N)

OS E x nL o

i lp x

I 6 ( t s i& E TR U 9 e e t

c ig

(

r A 1 r T u r r n o RO I 1 l ia o t

si e in e r n r )

UG D Fe c RavEi a y ri tl a lp t

nna grTa r nx e

el iatoor mnnt pt el a

s titoE a r (

iuine fuege nqa ur~

p r e eh pt

'E sEMRROFOO o

P S a - - - - - - - -

Y e T RABCDEFGH 2

9 9 9 E 9 9 T /

7 1

A 2 l,

i D 3' C d R

A dedleu M c e r h 1 . 3 bc I S 1

1 T O 4 9

N N 9  : :

O FS 1

M

1 l

- i REFUELING INFORMATION REQUEST

5 o

DOCKET NO. 50443 UNTT Seabrook i DATE April 1,1999 COMPLETED BY P.E. Nardone TELEPIIONE (603) 773-7074

1. Name of Facility: Seabrook Unit 1 ,

1

2. Scheduled date for next refueling shutdown: Refueling Outage 6, 03/27/99

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?

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 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 ,

l (a) 193 (b) 456 (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. j

9. The projected d.:te of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

l l

l Licensed capacity of 1236 fuel assemblies based on two annual and twelve eighteen-month refuelings with full l l core offload capability.

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

4 of 4

_