ML20217E222

Monthly Operating Repts for Mar 1998 for Sequoyah Nuclear Plant

ML20217E222
Person / Time
Site:	Sequoyah
Issue date:	03/31/1998
From:	Bajestani M, Holloman T TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9804270238
Download: ML20217E222 (10)

Text

e .

l l .

Bl4 Tennessee Valley Authority, Post Office Box 2000, Soddy-Dasy, Tennessee 37379-2000 April 13, 1998 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SQN) - MARCH 1998 MONTHLY OPERATING REPORT Enclosed is the March 1998 Monthly Operating Report as required by SON Technical Specification 6.9.1.10.

If you have any questions concerning this matter, please telephone me at (423) 843-7001 or Pedro Salas at (423) 843-7170.  ;

Sincerely,

. f_. 4 hw.

asoud Bajes i nclosure  !

cc: See page 2 i

\ \

l i (Sh 9804270238 980331 PDR ADOCKOSOOg7 R

I

~ ,

U.S. Nuclear Regulatory Commission Page 2 April 13, 1998 cc (Enclosure):

Mr. R. W. Hernan, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 INPO Records Center Institute of Nuclear Power Operations 700 Galleria Parkway Atlanta, Georgia 30339-5947 Ms. Barbara Lewis, Assistant Editor, Database McGraw-Hill, Inc.

1200 G Street, NW, Suite 1100 Washington, D.C. 20005 Mr. James Lang, Manager Advanced Reactor Department Electric Power Research Institute-3340 Hillview Avenue Palo Alto, California 94304 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303-3415

I 4 e

i

+

4 0 TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT MONTHLY OPERATING REPORT TO THE NUCLEAR REGULATORY COMMISSION MARCH 1998 UNIT 1 DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 a

UNIT 2 DOCKET NUMBER 50-328 {

LICENSE NUMBER DPR-79 i

i

OPERATIONAL

SUMMARY

MARCH 1998 r

UNIT 1 Unit 1 generated 884,090 megawatthours (MWh) (gross) electrical power during March with a capacity factor of 102.35 percent.

There were no outages or power reductions of greater than 20 percent in the average daily power level during March. Unit I was operating at 100 percent power at the end of March.

1 UNIT 2 l

I Unit 2 generated 880,139 MWh (gross) electrical power during March with a capacity factor of 102.33 percent. There were no outages or power reductions of greater than 20 percent in the average daily power level during March. Unit 2 was operating at 100 percent power at the end of March.

SUMMARY

OF POWER-OPERATED RELIEF VALVES (PORVs)

AND SAFETY VALVES CHALLENGES J

No PORVs or safety valves were challenged in March.

l l

1 i

i I

1 1

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327 UNIT NO. One DATE: 04-09-98 COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528 MONTH: MARCH 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

I 1153 17 1152 2 1154 18 1154 3 1154 19 1153 4 1155 20 1153 5- 1155 21 1152 6 1152 22 1154 7 1151 23 1152 8 1151 24 1155 l 9 1151 25 1153 10 1152 26 1154 11 1152 27 1152 12 1154 28 1154 13 1152 29 1151 l

)

14 1152 30 1150 15 1154 31 1152 16 1152 i

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-328 UNIT NO. Two DATE: 04-09-98 COMPLETED BY: T. J. Hollomon TELEPHONE: (423) 843-7528

- MONTil: MARCH 1998 AVERAGE L)AILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

1. 1149 17 1149 2 1149 18 1149 3 1149 19 1149 4 1149 20 1148 1

5 1149 21 1151 6 1149 22 1152 7 1149 23 1147 8 1148 24 1150-9 1146 25 1150 10 1149 26 1149

11. 1151 27 1144 12 1151 28 1149 13 1149 29 1151 i

14 1152 30 1148 15 1149 31 1149 16 1149

. OPERATING DATA REPORT DOCKET NO. 50-327 DATE 04/09/98 l COMPLETED BY T. .I. Hollomon TELEPHONE (423) 843-7528 I

OPERATING STATUS

1. Unit Name: Seouovah Unit One

2. Reporting Period: March 1998

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross (MWe): 1220.6

5. Design Electrical Rating (Net MWe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1161.0*

7. Maximum Dependable Capacity (Net MWe): 1122.0 *

8. If Changes Occur in Capacity Ratings (item Numbers 3 Through 7) Since Last Report, Give Reasons:

8' The oerformance of the main condenser has improved as a result of the retubinu of the main condenser.

This performance improvement resulted in an increase in the maximum dependable capacity.

9. Power Level to Which Restricted, if Any (Net MWe): N/A

10. Reasons for Restrictions, if Any: N/A This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 744 2.160 146.833

12. Number of Hours Reactor Was Critical 744.0 2.160.0 87.016

13. Reactor Reserve Shutdown Hours 0 _

0 0

14. Hours Generator On-Line 744.0 2.160.0 85.219.6

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 2,535,571.2 7,360.961.3 278,604,957

17. Gross Electrical Energy Generated (MWh) 884,090 2,568,866 94,969,993

18. Net Electrical Energy Generated (MWh) 857,434 2,490.130 91,190,027

19. Unit Service Factor 100.0 100.0 58.0

20. Unit Availability Factor 100.0 100.0 _ 58.0 J

21. Unit Capacity Factor (Using MDC Net) 102.7 102.7 55.4

22. Unit Capacity Factor (Using DER Net) 100.4 100.4 54.1

23. Unit Forced Outage Rate 0.0 0.0 29.5

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Unit 1 Cycle 9 Refueling Outage is scheduled to begin September 6,1998, with a duration of 40 days.

25. If Shut Down At End of Report Period, Estimated Date of Startup:

l l

i

. , 1 O

OPERATING DATA REPORT DOCKET NO. 50-328 DATE 04/09/98 COMPLETED BY T. L Hollomon TELEPHONE (423) 843-7528 OPERATING STATUS

1. Unit Name: wnnnvah Iinit Two

2. Reporting Period: March 1998

3. Licensed Thermal Power (MWt): 3411 0 4, Nameplate Rating (Gross (MWe): 1220.6

5. Design Electrical Rating (Net MWe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1156.0

• l

7. Maximum Dependable Capacity (Net MWe): 1117.0

8. If Changes Occur in Capacity Ratings (Item Numbers 3 Through 7) Since Last Report, Give Reasons:

• The Unit 2 thermal performance has been rebaselined Additionally. the cross maximum dependable capacity has improved as a result of the retubing of the main condenser.

9. Power Level to Which Restricted, if Any (Net MWe): N/A

10. Reasons for Restrictions, if Any: N/A This Month Yr.-to-Date Cumulative

11. Hours in Reponing Period 744 2.160 138.793

12. Number of Hours Reactor Was Critical 744.0 2.160.0 89.815

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744.0 2.160.0 87.834.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 2,536,159.2 7,362,590.4 281,339.926

17. Gross Electrical Energy Generated (MWh) 880,139 2,556,232 95,781,596

18. Net Electrical Energy Generated (MWh) 854,267 2,482,648 91,888,010

19. Unit Service Factor 100.0 100.0 63.3

20. Unit Availability Factor 100.0 100.0 63.3 I

21. Unit Capacity Factor (Using MDC Net) 102.8 102.9 .59.3 !

22. Unit Capacity Factor (Using DER Net) 100.0 100.1 57.7

23. Unit Forced Outage Rate 0.0 0.0 28.7 l

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

25. If Shut Down At End of Report Period, Estimated Date of Stanup:

l i

s

' t n n n 8 2

e v

ioe t g o 5 e c a m 7 r ur 7 8 - P de evh.

2 e N lo 3 o r at 1 n 9 lo 4 - t n 0

O 4M H 8 n r eh e o 5

0 1

)

3 it o wt on m e

2 c e pi h T.

4

( Acn r t o neg t

e v r e

r s c n iu e ri Y t c c ge apu r

B e el e ee r t d D:E rR u0 l e OE LN o o2 e v st nF asi c NM t C on nal e na oDcR e) r u

o TA E O d n h r i t f i

S EN: LE K T E PH L a et r e c u o P

E e e wte r ow r no(rL) 2 e

m CI TM L s u ee a p t

s nt iof s r 0 t 2 a ONAOE a r r y I

- atr ep o1 - S DUDCT C e gl h f a i Ga phsR e eGE 1 Tod t e t i

iP r ytnR b r ib h r t eU i h

t n x Ef oEE(

nvN x e

n 'e ' t od po mC o

C S e g

N a O

I t

u T m *c O C te d g U s o n D S yC i t

s E i x

R R mE a f

_ E 8 9 e t

r o mr o aS c no W 9 e p s e r O 1 n c ci n e R o.

t

_ P H t N l l Si t aaui o

- D C ic n aa uu mic nt r R Le v d N. o nn ot ue A A E ht a a t uoe ndh S M eMMACRC- - - - -

_ N M1 2345 9 H:

W T f

og O r otinwt n'o

_ N d

_ D O m

_ T M h u o ac t

t a

_ U ehDe x H

S T

R MS R E e

s T O )

n n e )

I P n N E ia l i c i a

U R 2 n p x

L lp o

s E nd x a ( t on E e ee s it a (

R igc r l

rT u r r t i n o) r s

ia o ein e r n Fe Rair tvEi l la e n) gi r os t n

c e agrTaap n y r nx -_

or t t

at au ur o mel nnt oi ioEs

(

OuH D( :i n nui pt ielat f ge u ur ai ntar meh r e -

oqa e e pd pt aEMRROAOO s

'ep 2 ReABCDEFGH y

T t

e a d D le _

dedu c e rh oc o

FS N FS

5

' t s n 8 n n o 2 e s

oeg it m 5 e c a S o 7- P r u r R

M l 3 de evh.

2 o 9 lo 4 . o r at n w 0 H t

8 M n r rh e o S T 4 J

)

0 3 i o ut e m 2

T 4 t

c e c on pih

(

An e r t t cr o ne g Y iu s r s c e ri n

t c r B e c r

e ge apu d e e D:E rR t el e OE o u0 o2 e v l

s t asi nF c r

N1 h t

i

- N C on e na oDcR e) u o

TA tiO d n

nal i t f iLE S EN: Ll P a et h re c u o rL) e K EP E T ThL t e r

e re w r no( 2 t m CI ONAOE s

u wt aop s nt iof s r 0 t 2 S

a DUDCT a ee r r y I

- at r eo1 p - -

C e gl Ga phsR e eGE I hf i a it e it T od b Prr ytnR b i eU i h r t

h x

oEE( nvN x t

n

• Ef '

E e

n od

'e po mC o

S C e g

N a O

I t

u T O C m e g n

U te s o

'd it D yC is E S x R

R mE a f E 3 9 .

mr a c n o

W 9 e et o rS o O 1 s i c ci t n P H n e. Nr t Sia a t ui o D C iE e

c pvo l l a a mic nt N R uu r A L R

e do nn ot ue t

ndh A 1 h1 a a t uoet S h t ehhACRO - - - - - -

N l l

A1 23459 _

W .

i f -

O T N

og d in r

m 'o D

F 0 ot t ut c m T

1 A

h u o a t a I ehDe R x H T iS h E S R e s

T O )

n n e )

I P i c n N E a i i

a U R 2 n lp x

L lp o nd x s

a E( t s on E _

e ee it a (

R r uTr ic r n g r o

l t i r )

s ia o einevEir n n F ec Rair t l la e

gi o r )s t

n na gryTr e

a ap nx at a u or t s oE t

ur o mel nnt oi i(

Oul f  : iptn el iu ai at ur ntar r e D( nui f ge meh oqta e epd pt sEhRROAOO a - - - - - - --

e i

'ep 2 R ABCDEFGl -

y _

T e

t _

a _

D d le -

dedu c e rh o c -

o FS N  : :

'FS