ML20137X818

Monthly Operating Repts for Mar 1997 for San Onofre Nuclear Generation Station,Units 2 & 3

ML20137X818
Person / Time
Site:	San Onofre
Issue date:	03/31/1997
From:	Gibson G, Williams C SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9704220177
Download: ML20137X818 (14)

Text

.

ggw s_eu-em de EDISON An MMON IVMYmONu Cap,iy l

l April 14,1997 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555 Gentlemen:

l l-

Subject:

Docket Nos. 50-361 and 50-362 l

Monthly Operating Reports for March 1997 San Onofre Nuclear Generating Station, Units 2 and 3 Technical Specification 5.7.1.4 of Facility Operating Licenses NPF-10 and NPF-15 for l

the San Onofre Nuclear Generating Station, Units 2 and 3, respectively, requires l

Edison to provide a Monthly Operating Report of operating statistics and shutdown experience, including documentation of all challenges to pressurizer safety valves, for I

each unit. Enclosures 1 and 2 provide the March 1997 Monthly Operating Reports for Units 2 and 3, respectively.

r if you have any questions, please contact Mr. C. E. Williams at (714) 368-6707.

l I

Sincerely,I s

[

w, Gregory T. Gibson Manager, Compliance Enclosures cc:

E. W. Merschoff, Regional Administrator, NRC Region IV L

K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV L

A. T. Howell, Ill, Director, Division of Reactor Projects, NRC Region IV i

J. A. Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 M. B. Fields, NRC Project Manager, San Onofre Units 2 & 3

,$O 9704220177 970331 PDR ADOCK 05000361:

l R

PDR glllllj%'ll'l'll' P. o. Ilox 128 San Clemente, CA 92674-0128

DOCUMENT CONTROL DESK.

San Onofre Nuclear Generating Station USNRC Monthly Operating Report Units 2 and 3 March 1997 bec:

Harold B. Ray, Executive Vice D. P. Breig,' D25, SONGS President, Rm 428, G01 H. K. Dang, Controllers, GO1 D.E. Nunn, Vice President G. T. Gibson, D3D, SONGS E50, SONGS R. R. Golden, E49, SONGS R V!. Krieger, Vice President S. M. Hansen, Corp. Comm., G01 i

D14, SONGS P. D. Myers, W49, SONGS R1 Erickson,(SDG&E),

D. K. Porter, Rm 337, GO1 L-50, SONGS K. A. Slagle, D4C, SONGS i

E.K. Aghjayan T. J. Vogt, K30C, SONGS City of Anaheim R. W. Waldo, K30C, SONGS l

Public Utilities Dept.

CDM File, D3F, SONGS P.O. Box 3222 ELFS File (2), D3F, SONGS t

Anaheim, CA 92803 RCTS File, D3C, SONGS B.P Carnahan Compliance File, D3C, SONGS City of Riverside AIMS Coordinator Public Utilities Dept.

3900 Main St.

Riverside, CA 92522 F. Yost Utility Data Institute Reviewers:

I D. E. Nunn*

R. W. Waldo*

T. J. Vogt*

K Houseman

• M. P. Short*

C. E. Williams H. S. Smith

• Ccacurrence via e-mail r

e i

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NRC Monthly Operating Report, March 1997 San Onofre Nuclear Generating Station, Unit 2 l

I l

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k

m USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 1 of 5 OPERATING DATA REPORT I

i!!11 LicensedThermalPowerf(MWt)? 99

'R

% s3390jj; 2

Nameplate Rating (Gross MWe) 1127 13p Design Electrical Rating (Net:MWe)),

~ 9 ',

/

,M0701 j

4 Maximum Dependable Capacity (Gross MWe) 1127

!!53 Maximum Dependable Capacity [(Not MWe)?

E 110703,

6 If changes occurred in 1 through 5 since last report, give reason.

None

??s powerW to;which restricted (iflarsts -

9m m -?NA2 8

Reason for restriction, if any.

NA l

This Month Yr-to-Date Cumulative s91 Number;cf HoursLin. Period C

s7441 42160b s p;119,401)i 10 Number of Hours Reactor Was Critical 54.1

~ i.1 91,459.

t11A ReactwReserve. Shutdown Hoursj

- 10.0jic

.0.0;

0.0j 12 Hours Generator On-line 0.0 0.0 89,847.

$133 L nit Reserve Shutdown Hours 50.0; M0;0; m ed to,0j s@

U 14 Gross Thermal Energy Generated (MWh) 8,136.6 8,136.6 294,254,900.

M5] Ofoss Electakal Enory Generated (MWh))

, 1.03 g042 >

%99,882,774$

0 16 Net Electrical Energy Generated (MWh)

(21,233.8)

(44,387.1) 94,546,696.

$175.UnitAorwice Factor

, LO,0%'s 10.0%1oa

&75.3%i <

18 Unit Availability Factor 0.0%

0.0%

75.3 %

M9i LUnit, Capacity Factor (Using MDC, Net)ll

~ )0.0%%

so.0%t W4.0%z l

20 Unit Capacity Factor (Using DER Net) 0.0%

0.0%

74.0 %

P21! Lunit Forced Outage ~Ratel

?!0.0%1

, 40.0%i.

14.8%$

22. Shutdowns scheduled over the next 6 months (type, date, and duration of each):

Cycle 9 refueling outage started November 30,1996. No other outages scheduled in the next 6 months.

23. If shutdown at end of report period, estimated date of startup: April 1,1997

24. Units in test status (prior to commercial operation):

Forecast Achieved Initial criticality NA NA i

Initial electricity NA NA Commercial operation NA NA

.____m.

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 l

Page 2 of 5 t

l AVERAGE DAILY UNIT POWER LEVEL i

Ave. Daily Power Level Ave. Daily Power Level 1

Day (MWe Net)

Day (MWe Net)

>En 5 403 m [17$

Rg

';103

$1ilt 2

0 18 0

I I

1. 3h iW

< joi <

@i91 Ap

[0]-

i 4

0 20 0

1

[5s j[0]

s213

• /

s;01 1

i 6

0 22 0

1

!s73.

Miit E01 -

f.23X

, # 02 < ^ <

x i

8 0

24 0

$9s i}i.0AW

?253

. W%$0! M% e l

10 0

26 0

$11$

idib TOS

• l27i GWN

!!03 i

l 12 0

28 0

i (13]

KOL

[29) w 10%

1 e

14 0

30 0

11 5s.

10.,h f 31?.

/ ?"

i;0s 0

L 16 0

d USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 l

UNIT 2 Date:

April 14,1997 j

March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 3 of 5 4;

SHUTDOWNS AND POWER REDUCTIONS

s#$01P

', sw i

Number, <

WD!*Ws > *

• sys ' '96; Date 11/30/96

Tppel()){ <* ?, N6 gjj > g gg ' ',

iss s i8 (Scheduled)lb Duration (Hours) 744.0 l

Reason (2)l! /

de ~,

R

/N lC:(Refueling)! ' ~

Method of shutting down reactor (3) 4 (Continuation)

ggg *,

we (g tyg g

,g,,

System Code (4)

NA Component CodeL(5)]sa **,

4NAs GP 4

Cause and corrective action to prevent recurrence NA (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

(3) Method: 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction in the Average Daily Power Level of more than 20% from the previous day 6-Other (Explain)

(4)IEEE Std 805-1984 (5)IEEE Std 803A-1983

-.-..-..-.- ~

~

. - - -. - ~. _. - -

~

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Dste:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 4 of 5

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event

]

j Modeky ~.,,m._if[350f81A3 Reducing pressure to repair,CEDM E19 vent stack.1

.- x

.m

~

~~s

- e,s f@jy p34 deg

',y'-

$$. 7.fgy i

g

g. g..

y9 goutQ n

ci ;

z l

3/2/97 1410 Entered Mode 4.

Tiggg7 '

'2045 teved 36 houETschnical M action statement because'of RC8' pressure boundary seskap;(pe suriner;isquid temperature thumowe '

-m Entered Mode 5 to repair pressurizer liquid temperature thermowell leakage. Pressurizer 3/4/97 1021 cooldown rate exceeded Technical Specification allowable.

$3/15/972

$12304 Entered ModeW e

su tw > ne u

l 3/16/97 1727 Entered Mode 3.

j v3/19/J7x 0500 WMMingyOPM@$

' '" = ' ' ' -

4 s

3/19/97 1648 Entered Mode 4.

s3/20f971 0638 Entered Mode 5,to; repair;to leaking LTOR.isolationyalve/

3/21/97 1457 Entered Mode 4.

t 43/23/97s 10157d (Entered Mods.;5 tol replace *is leakir@ SteWGenerat6r;manwaplgesketA

' 4 3/27/97 1442 Entered Mode 4.

13/28/97$ 9314?

Entered Mode;31 g-a s

-4 i

3/29/97 1648 Entered Mode 2.

i l

13/29/974 07541 feactor;criticalt 96 m l

l 3/31/97 0330 Entered Mode 1.

l

?3/31/97s F2400)

Mode;1 at 18% reactor power!0Welectrical' power.1 Day 121-;of refuelmg~ outage /

Note:

There were no challenges to the pressurizer or main steam system safety valves during the month.

l L

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USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

April 14,1997 i

March 1997 Completed by:

C. E. Williams l

Telephone:

(714) 368-6707 Page 5 of 5 REFUELING INFORMATION I.

Scheduled date for next refueling shutdown: Approximately January 1999.

2.

Scheduled date for restart following refueling: Approximately March 1999..

3.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

l Unknown at this time for Cycle 10.

l l

What will these be?

I NA 4.

Scheduled date for submitting proposed licensing action and supporting information.

NA l

5.

Important licensing considerations associated with refuelinfc,an.g. new or different fuel design o e

unreviewed design or performance analysis methods, signif t changes in fuel design, new operat l

procedures.

NA 6.

The number of fuel assemblies.

7217-

?Ah Is the coret B.

In the spent fuel storage pool:

870 Unit 2 Spent Fuel Assemblies 800 Unit 2 New Fuel Assemblies 0

Unit 1 Spent Fuel Assemblies 70 l

C/

In the New Fuel Storane Racka

>0

7. Licensed spent fuel storage capacity: 1542 Intended change in spent fuel storage capacity: None

8. Projected date oflast refueling that can be discharged to spent fuel storage pool assuming present capadly.

l Janu 2006 (assuming 22 month fuel cycles for all future cycles, and Unit I fuel remains where it is currently locat l

4 s

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I NRC Monthly Operating Report, March 1997 San Onofre Nuclear Generating Station, Unit 3 I

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~-

USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Dato:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 1 of 5 OPERATING DATA REPORT iis Licenssed Thermal Power)(MWt)j 43390?-

2 Nameplate Rating (Gross MWe) 1127 13/ ; Design' Electncal Ratmg"(Not.MWe)!

N

^

c4f$1080:4 l

4 Maximum Dependable Capacity (Gross MWe) 1127

{51 Maximum DependableLCapacitpl(Not MWe)j0 710801 6

if changes occurred in items 1 through 5 since last report, give reason.

None l

172 fowerleVel;(Net MWe) toLwhichiostrictediif anyi

/

f NAi '

8 Reason for restriction,if any.

NA i

l This Month Yr-to-Date Cumulative

?9h lNumbefof Hours. in Period 0 R44? '

~ #2160NB 0113,9521 s 10 Number of Hours Reactor Was Critical 744.0 2160.0 92,452.

41 1? :. Reactor Ressrve Shutdown Hours?

f 0.0 ?i 40.0ji 10.0s s<

12 Hours Generator On-line 744.0 2160.0 90,694.

8j3) ! Unit Reservel. Shutdown Hours t

~, se s0.0?

40.01 10.0;t 14 Gross Thermal Energy Generated (MWh) 2,482,805.

7,223,031, 293,362,514.

[151 ; Gross Electrical Enemy Generated (MWh)M

[840,674)

/2;446,0193 lii99,527,2263 i

16 Net Electrical Energy Generated (MWh) 798,189.

2,322,308.

94,100,319.

d7J ! Unit Service Factors 1100.0 W 3100.0 %#

Q9.6W

+

l 18 Unit Availability Factor 100.0 %

100.0 %

79.6 %

M9l : Unit Capacity Factor l(Usin9'MDC Not)!

!99.3%)n (99.6%$

176.5 % i l

20 Unit Capacity Factor (Using DER Net) 99.3 %

99.6 %

76.5 %

(21s ' Unit Forced Outage Rates W

?O.0 W

{ 0.0W 04.9W

22. Shutdowns scheduled over the next 6 months (type, date, and duration of each):

Refueling shutdown (U3C9), April 12,1997, 75 days

23. If shutdown at end of report period, estimated date of startup: NA l

24. Urdts in test status (prior to commercial operation):

Forecast Achieved initial criticality NA NA initial electricity NA NA Commercial operation NA NA

~ _

USNRC MONTHLY OPERATING REPORT Dockst No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 2 of 5 AVERAGE DAILY UNIT POWER LEVEL Ave. Daily Power Level Ave. Daily Power Level Day (MWe Net)

Day (MWe Net) ~

M

^ % M10820 5 t M74 w' 51072$% ic 2

1081, 18 1072.

!$10803l

^

s19)

M @ 0742

/

1s3ji 4

1080.

20 1074.

M 0474 Qii'

$21j!

, $1075$,,,

151 6

1080, 22 1075.

94l e? 10792 %

s23} ^ d d i1074 F ViB 8

1075.

24 1073.

191 r$$$N $1000c: 3"i'y; (25-7,'/ ' s1075%'98%ht 10 1069.

26 1074.

sit!

00694M 2273 (1073A

+ +-

12 1067.

28 1071.

03j M0676 4

$29!!

• E1072n' 14 1066.

30 1073.

51 5 ? M uns G 1071& M h g i31?

n!,L1074e 16 1075.

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I m

pr r-

,m w

4 e

w

U*NRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 Page 3 of 5 UNIT SHUTDOWNS AND POWER REDUCTIONS se MWggas None <

Numbem,

w,

. si Date NA WML

<[NA)

(TN(1)$!h M l@'

se

,4 Duration (Hours)

NA iNA) EM iReaso((2))

@ ' 242% ;gyr

' W Method of shutting down reactor (3)

NA MINA$

)

LERINo?

=

m m

x System Code (4)

NA Component Code;(5)j%gx 2

sa in *

, $NAy; '

' ~~

Cause and corrective action to prevent recurrence NA 4

(1)

F-Forced S-Scheduled (2) Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test 4

C-Refueling j

D-Regulatory RestrW i

E. Operator TreWng & Licuse Examination F-Administrative G-Operational Error (Explain)

H-Other (Exptt)

(3) Method:

1-Manual 2-Menual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction in the Average Daily Power Level of more than 20% from the prev',ous day 6-Other (Explain)

(4)IEEE Std 805-1984 (5)lEEE Std 803A 1983

l l

l USNRC MONTHLY OPERATING REPORT Docket No:

50-362 l

l SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 l

Page 4 of 5 l

SUMMARY

OF OPERATING EXPERIENCE FOR Tile MONTII Date Time Event

3/1/974 10001!i Model1.lat'approximatelp 99.3*4 reactor powers 100.4% electrical poserji 3/31/97 2400 Mode 1 at approximately 99.3% reactor power,99.7% electrical power.

l l

Note:

There were no challenges to the pressurizer or main steam system safety valves during the month.

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USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

April 14,1997 March 1997 Completed by:

C. E. Williams Telephone:

(714) 368-6707 l

Page 5 of 5 t

REFUELING INFORMATION

1. Scheduled date for next refueling shutdown: April 12,1997.

2. Scheduled date for restart following refueling: June 26,1997

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

+

No.

1 i

What will these be?

NA i

4. Scheduled date for submitting proposed licensing action and supporting information.

l NA i

5. 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.

i Increase in fuel enrichment.

1

6. The number of fuel assemblies.

i

AF 2Ia'the com e217-B.

In the spent fuel storage pool:

918 j

Unit 3 Spent Fuel Assemblies 700 j

Unit 3 New Fuel Assemblies 100 l

Unit 1 Spent Fuel Assemblies 118 l

C.*

In the New Fuel Storate Rack

• e0

7. Licensed spent fuel storage capacity: 1542 j

intended change in spent fuel storage capacity: None i

8. Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

May 2006 (full off-load capability assuming 22 month fuel cycles for all future cycles, and Unit 1 fuel i

remains where it is currently located).

4 4

-t-w