ML20247L518

Monthly Operating Repts for Apr 1998 for Songs,Units 2 & 3

ML20247L518
Person / Time
Site:	San Onofre
Issue date:	04/30/1998
From:	Gibson G, Williams C SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9805220428
Download: ML20247L518 (9)

Text

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, 500lHlRN CALtlORNI A 1

. EQ(!jj EDISON  :

An EDih0N INTLRMTIOML* quwpuny l

May 15,1998 l

l U.' S. Nuclear Regulatory Commission  ;

i Document Control Desk Washington, D.C. 20555 j l

l- Gentlemen:

Subject:

Docket Nos. 50-361 and 50-362 '

Monthly Operating Reports for April 1998' I 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 April 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 (714) 368-6707.

Sincerely, Gregory T. Gibson Manager, Compliance Enclosures cc: E. W. Merschoff, Regional Administrator, NRC Region IV K E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV g J. W. Clifford, NRC Project Manager, San Onofre Units 2 & 3 j J. A.' Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 1 f

9805220428 900430 PDR R

ADOCK 05000361 PDR h

I P. O. Ilox 128 San Clemente, CA 92674-0128

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i Enclosure 1

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

C--_______-____- ._

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFR'E NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: May 15,1998 April 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 l

l OPERATING DATA REPORT (i11 Thisign Electrician Rating (Not MWe)) gut '9 <

$1070s 2 Maximum Dependable Capacity (Gross MWe) 1127 33E~ldaximum Dependable CapecRy(IW MWe)i' ads _ <

A1070%

This Month

• Yr-to-Date* Cumulative

• EU NumberMHoursMPsds@ " ,- h- '2D97 ji2l879$g @ 2 ( 880}

5 Number of Hours Reator Was Critical 719 2,182 99,852

' +'

s;6s Hours Genersn%Iins) jfj9} lj2l1763 198,220j 7 Unit Reserve Shutdown Hours 0.0 0.0 0.0 (8j LNet Electrical Energy GeneratN(MWhis M9h337A !!2isS2288) 303485%in

• Rounded l

l

____ _ _ _ _ _ _ . _ _ _ _ . _ _ _ _ _ . _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _- . - - -- --- -J

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: May 15,1998 April 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 1

UNIT SHUTDOWNS AND POWER REDUCTIONS

Number! - ~- M -

!!E - ne None , .

Date N/A

Type (1)? -

iN/A1 Duration (Hours) N/A

Reason ~(2)3

?N/A1 Method of shutting down reactor (3) N/A

LER No3 *

$N/As System Code (4) N/A Component Code'{5)s RN/Ai Cause and corrective action to prevent recurrence N/A (1) F. Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Trairing & Ucense Examination F-Administrative ,

G-Operational Error (Explain) l H-Other (Explain) 1 (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 prev 6ous day 6-Other (Explain)

(4) IEEE Std 8051984 (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: May 15,1998 April 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event

'4/1/981 0001:s . Mode'1[ Reactor Powerjo0E1163.MWel310 EFPD2 >

4/5/98 0200 Adjusted clock ahead 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to PDT 24/30/984 2400t! Mode 11, Reactor powerA00%lMWeL1163! 339.3 EFPD ?!

l l

4 1

Enclosure 2 NRC Monthly Operating Report, April 1998 San Onofre Nuclear Generating Station, Unit 3 3

I USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: May 15,1998 April 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 OPERATING DATA REPORT its  : Des 91 n Electrical Rating (Not _MWe) J .

s1080le 2 Maximum Dependable Capacity (Gross MWe) 1127

~

33t Maximum Dependebie' Capacity (Not MWe)4 < >

$1080i This Month

• Yr-to-Date* Cumulative *

1. 4ll -Numberof

Houm.in Period! -

!:719F [2,879s s123,431:.

4 Number of Hours Reactor Was Critical 719 2,433 99,234 15; Hours Generator On-linei > s 9:7197  ::72,433? 197,315]

6 Unit Reserve Shutdown Hours 0 0 0

L7:9 Net Electrical Energy Generated (MWh):i s 795,077i; ?2,569,0341: 4101,172,488:::

• Rounded 1

l

USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: May 15,1998 April 1998 Completed by:. C. E. Williams Telephone: (714) 368-6707

( Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS Number:s ' * % 7 > ^

'+ >

~ *

, ^ None ' d Date N/A g(y}lp e. g (ggg s Duration (Hours) N/A iReason~(2)s

^

SN/Af Method of shutting down reactor (3) N/A

LER No; , ,'m #

< , EMA!

System Code (4) N/A Component Code'(5)ii -

< s iMA:P Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-RefuelinC D-Regulatory Restriction E-Operator Training & License Exarmnahon 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 Daiy Power Level of more than 20% from the previous day 6-Other (Explain)

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

l USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: May 15,1998 April 1998 Completed by: C. E. Wdliams l Telephone: (714) 368-6707 l Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event l V4/1/98i l00016  ; Mode 1799.8%. Reactor PowerX11.56 MWe; 230A.EFPDl!

4/5/98 0200 Adjusted clock ahead 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to PDT l

?4/30/981 -24001 Mode :1i 99.9% reactor poweri:1149 MWe/260 EFPD2 1

h-____-__._____-._--- - . _ _ - . -