ML20137X818

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Monthly Operating Repts for Mar 1997 for San Onofre Nuclear Generation Station,Units 2 & 3
ML20137X818
Person / Time
Site: San Onofre  Southern California Edison icon.png
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)
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l 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:

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

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

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

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

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! 9704220177 970331

PDR ADOCK 05000361:

R PDR l

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

DOCUMENT CONTROL DESK .

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

Harold B. Ray, Executive Vice D. P. Breig,' D25, SONGS H. K. Dang, Controllers, GO1 l President, Rm 428, G01 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 RCTS File, D3C, SONGS Anaheim, CA 92803 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 ,

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l i Enclosure 1 l

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

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USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 April 14,1997 Date:

March 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 5 l i

OPERATING DATA REPORT i!!11 LicensedThermalPowerf(MWt)? 99 ,; 'R ',, ,  % s3390jj; I 2 Nameplate Rating (Gross MWe) 1127 13p Design Electrical Rating (Net:MWe)) , '"

~ 9 ', / j ,M0701 -

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 LUnit Reserve Shutdown Hours ,

50.0; M0;0; m ed to,0j s@

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

M5] Ofoss Electakal Enory Generated (MWh)) , 1 0.03 , g042 > %99,882,774$

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 % I 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

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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 March 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 l

Page 2 of 5 t

l AVERAGE DAILY UNIT POWER LEVEL i

1 Ave. Daily Power Level Ave. Daily Power Level

!, Day (MWe Net) Day (MWe Net)

$1ilt '

>En 5 403 m [17$ Rg ';103 .,

,' 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 x , # 02 < ^ < .

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 12 0 28 0 l

1 i (13]  % KOL . [29) w 10% ,

e 14 0 30 0 11 5s.

. , 10. ,h

, f 31?.

/ ?" i;0s-0 L 16 0

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, 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

1 SHUTDOWNS AND POWER REDUCTIONS '

i Number, < WD!*Ws > * * < >

sys ' '96; '

s#$01P ', sw '

l 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,, ,

, (g tyg g System Code (4) NA Component CodeL(5)]sa ** , ' "

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4NAs GP Cause and corrective action to prevent recurrence NA (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain) ,

B-Maintenance or Test l 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)

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

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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 ]

-$$. e,s f@jy .- x .m ~ ~~s j z i 7.fgy Modekyp34 deg

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

g. g. . y9 goutQ n ci ;

,y'- .

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 u $ su tw > ne <

l 3/16/97 1727 Entered Mode 3.

j 0500 s v3/19/J7x WMMingyOPM@$ ' '" = ' ' ' - 4 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

' 4 43/23/97s 10157d (Entered Mods.;5 tol replace *is leakir@ SteWGenerat6r;manwaplgesketA 3/27/97 1442 Entered Mode 4.

13/28/97$ 9314? Entered Mode;31 g- - -4 <

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i 3/29/97 1648 Entered Mode 2.

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' 13/29/974 07541 feactor;criticalt  ; >

96 m  ;. _

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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.

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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. e l Important licensing unreviewed design considerations or performance analysisassociatedmethods, signif with refuelinfc,an.g. new new t changes in fuel design, or different operat fuel design o procedures.

NA 1

6. The number of fuel assemblies.

?Ah Is the coret - > 7217-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 I

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

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Enclosure 2 NRC Monthly Operating Report, March 1997  ;

I San Onofre Nuclear Generating Station, Unit 3 1

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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)! ,

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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.

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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

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, 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.

^

1s3ji -

!$10803l ,

s19) M @ 0742 /

4 1080. 20 1074.  !

151 < . M 0474 Qii' $21j! , $1075$ , ,,

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! 2273 %

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00694M (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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, 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 Numbem , w, . si se MWggas ,

, None <

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

WML ,4 -

<[NA) -

se Duration (Hours) NA iReaso((2)) @ ' 242% ;gyr <

W -

iNA) EM ,

Method of shutting down reactor (3) NA LERINo? = ' >>

  • x m m -

MINA$ )

System Code (4) NA l

, $NAy; ' ' ~~

sa in
  • Component Code;(5)j%gx 2  ;-

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

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  • 50-362 l , USNRC MONTHLY OPERATING REPORT Docket No:

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

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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 <

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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 i

operating procedures.

! Increase in fuel enrichment.

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6. The number of fuel assemblies.

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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

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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).

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