ML20195H549

Monthly Operating Rept for May 1999 for Songs,Units 2 & 3

ML20195H549
Person / Time
Site:	San Onofre
Issue date:	05/31/1999
From:	Williams C SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20195H160	List: ML20195H156 ML20195H549
References
NUDOCS 9906170075
Download: ML20195H549 (7)

Text

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USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: June 10,1999 May 1999 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 1 of 3 OPERATING DATA REPORT K1) Design Electrical.Ratirs (Not MWe)t

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$0701J 2 Maximum Dependable Capacity (Gross MWe) 1127 131 Maximum Dependable ~Capaciti(Net'MWe)? - * ,

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110701 This Month

• Yr-to-Date* Cumulative *

$4s MRHourshforlod " A . se ! $744$!go s jl3%23fe s

$38 5 $

5 Number of Hours Reactor Was Critica! 744 2,368 107,850-

{63 Hours GeneistuF:OrWine 4 '

2d47E "#Qio)W -lio6ljRlis 7 Unit Reserve Shutdown Hours 0 0 0 MF Nii[Elsisidst Eris@9)ensfatsd$ -

i;82dj37 f2iS1$93l} iW12l152,'935)

• Rounded 9906170075 990610 PDR ADOCK 05000361-R PDR .

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USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: June 10,1999 May 1999 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 3 J

UNIT SHUTDOWNS AND POWER REDUCTIONS

Number $  % > m' '

' c6 ENohe Date N/A

T9pel(1)1 ' > WW Je' , ~ W 4N/A? -

Duration (Hours) N/A

Reason'(2)! - ' * ' '

1. 5

%J3N/Ab Method of shutting down reactor (3) N/A

'LER No?' 2e4 e - >

iN/Ai System Code (4) N/A

, Component Code *(5)? ' & * '

M N/Ai Cause and corrective action to prevent N/A (1) F-Forced S-Scheduled (2) Reason: A-Equi;,rnent Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restrktion E-Operator Traini.ig 3 ucense Exaniination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

-(3) Metixxt: 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 8051984 (5) lEEE Std 803A-1983

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: June 10,1999 May 1999 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event 1

105/0.1/991 [0001? . Mode 61K99 86ERssctof Powern1176'MW6he - -

05/31/99 2400 Mode 1,99.9% Reactor Power,1171 MWe J

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Attachment 2 NRC Monthly Operating Report, May 1999 San Onofre Nuclear Generating Station, Unit 3 l

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USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: June 10,1999 May 1999 Completed by: C. E. Williams

. Telephone: (949) 368-6707 Page 1 of 3 OPERATING DATA REPORT st$ lDe@ Electrical Rating':(Not MWe)b '

,s- >

99 >

~

11080s' 2- Maximum Dependable Capacity (Gross MWe) 1127 63& Maximum Dependable:Capacitf(Not MWe)s ~ < ' < a ^* /41080s I This Month

• Yr-to-Date* Cumulative

• 141s< ;NumberWHours in P4riod W,m '

1744?

• 13,623Mi ^ 1432;,935s 4 Number of Hours Reactor Was Critical 533 2,584 107,700

$51 Hours Generator;On4iney < . m 6 s4701l > !i2,5224. j!105,718ji~

6 Unit Reserve Shutdown Hours - 0 0 0 n

07# < Net Electrical Energp Gerseisted (MWh) 1470;3131- #2,733,172? 5110,395,225)

• Rounded i

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USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: June 10,1999 May 1999 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS i

l

Numbbr3 , - ' <

. 1:99-01M iL99-02( ;f99-03s Date 990327 990513 990515 '

Jyph (1)1 ' '

R $Sj i& TE! =

Duration (Hours) 204 41 29 Reason'(2)! < se e

!(Cs FAfs FA?

Method of shutting down reactor (3) N/A 2 2

_ l LER Noi * * '

(N/M System Code (4) N/A BA BA Component Code'(5)F

" !N/As f LFCV8 sFCV4 Cause and corrective action to prevent LER LER recurrence N/A 1999-003 1999-004 (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction I i

E. Operator Training & Ucense 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) lEEE Sid 803A 1983 i

USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR OENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: June 10,1999 May 1999 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event 05/01/993 00011 Mode;5?RCSTcoldi124 FA X* o E a -

05/09/99 0100 Unit entered Mode 1.

s-4 #qps r1ySg c . . '~ ;W6' Synchronized main. turbine / generator tofgrid ending Cycle 10 s 1 Mi3* G ^4dE:;"' ' -

^#'

Unit manually tripped from 97% power due to trip of both Main Feedwater pumps on high discharge pressure when Main 05/13/99 2144 Feedwater Control Valve 3FV-1121 failed closed. Unit entered Mode 3.

0$IJ5/99h :.11261 LUnitl entered Mode % 'n ' au g 1. ; W,a %

1419 Synchronized main turbine / generator to grid.

'*m s1653e Main turbine / generator. manually tripped'due to high vibrationn Unit manually tripped at 24.5% power when Main Feedwater 2358 Regulating Valve 3FV1111 failed open causing a loss of feedwater control.

05/18/90" t1368% l Unit'entsred model1? 5%e9" Wr SA ,,

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2040 Synchronized main turbine / generator to grid.

05/17/99i l15301 l Unit'at 99.8%Reector; Power $1157 MWe; '

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05/31/99 2400 Mode 1, 99.9% Reactor Power,1170 MWe i