ML20249A943

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

ML20249A943
Person / Time
Site:	San Onofre
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)

Text

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$OUIHIRN CAllIORNIA EDISON

_An LUISON INTTRMTIONAL"' Gunpany l

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June 15,1998

{

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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 /  !

C) //l 1

Gregory T. Gibson s Manager, Compliance ,

. Enclosures j

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 .

s .POR ADOCK 0 361 ?.. -

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P. O ' Box 128 . . ,

M ' San Clemente.CA 92674 0128 .

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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

17 Design ElectricalRelinD (Not MWe)L

, 'e M1070Jt 2 Maximum Dependable Capacity (Gross MWe) 1127

'?S9 W Dependable Cepecily (Not MWe)?

• 37 .

sF < 11070"*

This Month

• Yr-to-Date* Cumulative *

[4i Numberof Hoursin Period

• J h ,/{7441 i3,623) (129,824 4, 5 Number of Hours Reactor Was Critical 744 2,926 100,596

)Sj{ Hours Generator On ilne M ' ' >

J7% H , 22,920{ '. $98,984$

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 Number ,

't e -

R  :* None' 4 -a, Date N/A Type (1)! -

~

,'  ::N/As -

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

Reason (2)>

t < m MN -

Method of shutting down reactor (3) N/A L E R N o.J , ; ,

' +

1 LN/AT

e System Code (4) N/A Component Coos (5)rc ^/ ' + , -

N/A1 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

Docket No: 50-361 USNRC MONTHLY OPERATING REPORT Unit Name: SONGS-2 SAN'ONOFRE NUCLEAR GENERATING STATION Date: June 15,1998 UNIT 2 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.

W -

4 TW ,

> - 1500; . Unit at 100% toector power,;1100 MWo.h _

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

1 .

Enclosure 2 NRC Monthly Operating Report, May 1998 San Onofre Nuclear Generating Station, Unit 3 4

50-362 I

USNRC MONTHLY OPERATING REPORT Docket No:

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 Lis Design EllecMoel Reling (Not MWe)i ' , W 'l ' ' 2 , .

• s lam -M1080i Maximum Dependable Capacity (Gross MWe) 1127 2

3! Maximum DependeWe Cepecity (Not MWe) 2 <

" ,' # k1000i' This Month

• Yr-to-Date* Cumulative

• N- 4744? - 13,623? >124,1755 *

L4 < Number.of Hoursin Pened _

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

r. t

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

0 0 0 6 Unit Reserve Shutdown Hours Not ElecMeel Energy Generated (MWh); . "t 817,750-1 f:3,386,784 t 1101,990,239M 971

• Rounded 1

)

Docket No:- 50-362 USNRC MONTHLY OPERATING REPORT 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 V <

i.N/Ah :

~

Type'(1)? . ,

i* ,

N/A Duration (Hours)

~ ^'

s* <

fN/A;

• c Reason (2)T ?#

Method of shutting down reactor (3) N/A 4 <

%+ c N/AT . _,-

1.E R N o s N/A System Code (4)

CornponentCode(5); -

• WG s u . - !N/A L " "r-Caune and corrective action to prevent recurrence N/A (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 Docket No: 50-362 USNRC MONTHLY OPERATING REPORT 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.

.