ML20249A943

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Monthly Operating Repts for May 1998 for Songs,Units 2 & 3
ML20249A943
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 05/31/1998
From: Gibson G, Williams C
SOUTHERN CALIFORNIA EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9806190170
Download: ML20249A943 (9)
v • d • e


Text

_. _ _.. _ _ _ _

i

$OUIHIRN CAllIORNIA EDISON

_An LUISON INTTRMTIONAL"' Gunpany l

l 1

June 15,1998

{

1

U. S. Nuclear Regulatory Commission.

Document Control Desk Washington, D.C. 20555-

, Gentlemen:

J Subject-Docket Nos. 50-361 and 50-362 Monthly Operating Reports for May 1998 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 the San Onofre Nuclear Generating Station, Units 2 and 3, respectively, requires Southern California Edison to provide a Monthly Operating Report (MOR) of operating statistics and shutdown experience, including documentation of all challenges to pressurizer safety valves, for each unit. Enclosures 1 and 2 provide the May 1998

' Monthly Operating Reports for Units 2 and 3, respectively. There were no challenges to pressurizer safety valves for either Unit 2 or 3.

If you have any questions, please contact Mr. Clay E. Williams at (949) 368-6707.

Sincerely,,

03 1

A

/

//l C)

Gregory T. Gibson 1

s Manager, Compliance j

. Enclosures cc:= l E. W. Merschoff, Regional Admir.istrator, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV

J. W. Clifford, NRC Project Manager, San Onofre Units 2 & 3 -

J. A. Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 I

9906190170 31

.POR ADOCK 0 361 ?..

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' San Clemente.CA 92674 0128.

P. O ' Box 128 M

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Enclosure i NRC Monthly Operating Report, May 1998 San Onofre Nuclear Generating Station, Unit 2 i

L i

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAM ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 1 of 3 OPERATING DATA REPORT M1070Jt

17 Design ElectricalRelinD (Not MWe)L

' e 2

Maximum Dependable Capacity (Gross MWe) 1127 sF <

11070"*

'?S9 W Dependable Cepecily (Not MWe)?

  • 37 This Month
  • Yr-to-Date*

Cumulative

  • h

,/{7441

i3,623)

(129,824 4,

[4i Numberof Hoursin Period

  • J 5

Number of Hours Reactor Was Critical 744 2,926 100,596 J7% H

, 22,920{ '. $98,984$

)Sj{

Hours Generator On ilne M ' '

7 Unit Reserve Shutdown Hours 0.0 0.0 0.0 L.8 h

. Net Electrical Energy Generated (MWh)

't 821,331E i3,104,119j ;104,307,148

  • Rounded I

l

l i

USNRC MONTHLY OPERATING REPORT Docket No:

50-361

' SANONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949) 3684707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS R

None'

4

-a,

't e

Number N/A Date

N/As Type (1)!

~

N/A Duration (Hours) i N/Ai '

m MN Reason (2)>

t Method of shutting down reactor (3)

N/A LN/AT

e L E R N o.J, ;

+

1 N/A System Code (4)

+,

N/A1

^/

Component Coos (5)rc Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (7) Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refuelmg D-Reguistory Restriction E Operator Training & Ucense Examination F-Administrative G4peratonal Error (Explain)

H-Other (Explain)

(3) Method 1-Manuel 2-Manuel Scram 3-Automate Scrum l

4 Cont nuaten from Previous Month j

5-Reducten in the Average Daily Power Level of more than 20% from the previous day J

l 6-Other (Explain) l (4) IEEE Std 805-1964 (5) IEEE Std 803A-1983

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN'ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event j

i 5#148)'

00019 Mode #100% Reacht Power,1163'MWe!338 EPPD.

M#

JN '

Unit commenced reactor down power to 80% power to perform 5/29/98 2105 circulating water system heat treat.

2305; Unit rasched 80%. reactor power,890 MWer,

ir 5/30/98 0530 Unit commenced power ramp to 100% reactor power.

TW,

1500;

. Unit at 100% toector power,;1100 MWo.h W

4 5/31/98 2400 Mode 1, Ptp.7% Reactor power, MWe 1160,370.1 EFPD s

s'-a iam J'n u neau-

1 NRC Monthly Operating Report, May 1998 San Onofre Nuclear Generating Station, Unit 3 4

USNRC MONTHLY OPERATING REPORT Docket No:

50-362 I

SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 1 of 3 OPERATING DATA REPORT lam -M1080i Lis Design EllecMoel Reling (Not MWe)i ', W 'l ' ' 2 s

1127 2

Maximum Dependable Capacity (Gross MWe)

  1. k1000i'
3!

Maximum DependeWe Cepecity (Not MWe) 2 This Month

  • Yr-to-Date* Cumulative
  • 13,623?

>124,1755 *

L4 <

Number.of Hoursin Pened _

N-4744?

4 Number of Hours Reactor Was Critical 744 3,177 99,978

r. t

- ':7441 43,167J T98,059M iSu Hours Generator On4ine ' <

6 Unit Reserve Shutdown Hours 0

0 0

971 Not ElecMeel Energy Generated (MWh);. "t 817,750-1 f:3,386,784 t 1101,990,239M

  • Rounded 1

)

USNRC MONTHLY OPERATING REPORT Docket No:-

50-362 SAN:ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 I

UNIT 3 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949)368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS Nurreer @i ;W % ' '"

D~

e90+

dQ;W None* l '. ~ #1 %

N/A Date i.N/Ah :

~

Type'(1)?

V i*

N/A Duration (Hours) s*

fN/A;

  • c Reason (2)T ?#

~

^'

N/A Method of shutting down reactor (3)

%+

c N/AT 1.E R N o s 4

N/A System Code (4)

- !N/A L "

"r-CornponentCode(5); -

  • WG s

u N/A Caune and corrective action to prevent recurrence (1) F-Forced S-Scheduled (2) Reesort A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Reguistory Restrictxm E-operator Treening & License Examination F-Administrative G-operational Error (Explain)

H-other (Explain)

(3) Method:

1-Manuel 2-Manuel Scram 3-Automatic Scram 4 Continuation from Previous Month 5-Reduction in the Average Dolly Power Level of more then 20% f,em the previous day 6-other (Explem)

(4) IEEE Std 805-1964 (5) IEEE Std 8CDA-1983

o I

I USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN'ONORRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

June 15,1998 May 1998 Completed by: C. E. Williams Telephone:

(949) 368-6707 l

Page 3 of 3 l

SUMMARY

OF OPERATING EXPERIENCE FCR THE MONTH Date Time Event

+ J 5/1/98' A: 0001/

Mode is 99.9% Reactor Power,:L1140 MWe,200_ EFPD.h Unit commenced reactor down power to 80% power to perform 2240 circulating water system heat treat.

"llW2/98 01220 Unit reached 80% reactor power,800 MWe? '

, dVigf

" sed '

0645 Unit commenced power ramp to 100% power.

R%

17451 Unit et 100% reactor power,t1150 MWe; -

5/31/98 2400 Mode 1,99.7% reactor power,1150 MWe,290.9 EFPD.

.

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