ML20202F973

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

ML20202F973
Person / Time
Site:	San Onofre
Issue date:	01/31/1998
From:	Gibson G, Williams C SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9802200030
Download: ML20202F973 (9)

Text

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'QI t,hoinius uinowsn WEDISON Ao miws ivu n wos y - c....r, I

Ftrbruary 12,1998 l

l U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Gentlemen:

Subject:

Docket Nos. 50 361 and 50-362 Monthly Operating Ruports for January 1998 San Onofre 14dclear 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 January 1998 Monthly Operating Reports for Units 2 end 3, respectively. There were no challenges to pressurizer safety valves for either Unit 2 or 3.

If you have any questions, please 7ntact Mr. C. E. Williams at (714) 368 67:7.

Sincerely,

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

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Enclosure 1 NRC Monthly Operating Report, January 1998 San Onofre Nuclear Generating Station, Unit 2 q-

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.f USNRC MONTHLY OPERATING REPORT Docket No: 50 361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS 2 UNIT 2 Date: February 12,1998 January 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 OPERATING DATA REPORT L1 Design ElectricalReeng (Not MWo)'  : 10F0 -:

2 Maximum Dependable Capacity (Gross MWe) 1127 3 Maximum DependeWe Cepeelty (Not MWe) - <

1070~

This Month

• Yr to Date* Cumulative'

- 4J Number of Hoursin Peded :744

744. j "126,746 5 Number of Hours Reactor Was Critical 564 564 98,233 8' Houro Generator On4ine 683- l683 88,008 7 Unit Reserve Shutdown Hours 0.0 0.0 0.0

~8 Not Elseedcol Energy Generat6d (MWh) . ' :815,388' :815.3882 101,818,428

' Rounded

I USNRC MONTHLY OPERATING REPORT Docket No: 50 361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS.2 UNIT 2 Date: February 12,1998 January 1998 Completed by: C. E. Williams Telephone: (714) 368-8707 Page 2 of 3 I UNIT 8HUTDOWN8 AND POWER REDUCTONS Nweer, ' , ,

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Date 1/24/98

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Duration (1) 180.75 Reseen (2) % .

'4 C . H (ntd4ycle Oute08)

Method of shutting down reactor (3) 2 LERNo.' ,  ; ..

c WA; System Code (4) N/A Component Code (5) > ,

WA . W - -

Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (2) Reason A-Equ$rnent F#ture (Explan)

B-Montenance or Test C-Refueling D-Regutmory Restrictort E Opergor Traning & !.icense Exaninson F4Wrwntstrano GOpersonal Error (E91mn)

HOther (Explan)

(3) Method 1-Manual 2-Manual Screm 3 Automate Scram 4 Continudon from Presous Month

$Reducton 6n the Awrage Daly Power Lewl of rnus than 20% frorn the primous day 60ther (E4 dan)

(4) IEEE Std 8051964 (5) IEEE Std 80%1983

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USNRC MONTHLY OPERATING REPORT Docket No: 50 361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS 2 UNIT 2 Date: February 12,1998 January 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event 1/1100 0001j Mode 1,90 9% #eester power, tiet tMe,- 253.8 EFPOi 1/24/98 0200 Commenced reactor power reduction to 80% for heat treat.

M 0400 Unit et 80% #esator power,000 MWe, - . ,. f "' >"#

Commenced reactor down power at 16% per hour to remove unit from 0733 service for planned 30 day mid cycle outage.

1116) Tetyped mein trutnine. . <'

1133 Tripped the reactor from 15% power, .

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. Unit sedared Mode 4;. efsr "' W 1/25/93 0810 Unit entered Mode 5.

2400: Mode 5, NCS Toold 31.57, ,d[

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Enclosure 2 NRC Monthly Operating Report, January 1998 En Gnofre Nuclear Generating Station, Unit 3

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USNRC MONTHLY OPERATING REPORT Docket No: 50 362 SAN ONDFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: February 12,1998 January 1998 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 OPERAllNG DATA REPORT 1< Ossign OlseMealReimg M MWet 'o >

10007 2 Maximum Dependable Capacity (Gross MWe) 1127

3- Moulmum Dependable Cepecity (Not MWe) ' t1000 -

This Month

• Yr to Date* Cumulative' 54: Numberof Neumin Ported 744' 744 121,298; 4 Number of Hours Reactor Was C ;tical 744 744 97,546 (5 Heum 0enomter3)ndine >

9 744 744' 96,933' 6 Unit Reserve Shutdown Hmns 0.0 0.0 0.0

7. Not ElecMoel Enesgy Generstod (MWh) ,- 782,790: 1 782,790- 99,306,251i

• Rounded -

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USNRC MONTHLY OPERATING REPORT Docket IJo: 30 362 SAN ONOFRE NUCLEAR GENERATING stall 0N Unit Name: SONGS 3 UNIT 3 Date: February 12,1998 January 1998 Completed by: C. E. Williams Teleohone: (714) 363-6707 Page 2 of 3 UNIT SHUTDOWN 8 AND POWER REDUCTIONS ggggg, * ,

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Date 1/18/98 g(t), -

p @.- 4 up co; Duration (Hours) 101.83 m (3)q. - 43  ; '

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Method of shutting down reactor (3) 5 W No. ' '

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System Code (4) SG OengenentCode(8)J .

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Pr s r? >

Circulating water pump D115 had no Cause and corrective action to prevent recurrer.ce "PP* '"' ' '

,,taken out f ice fo r pa r and returned to service on 1/22/98.

I (1) F-Forced S. Scheduled (2) Reason: A-Equpnent Falure (Eglan)

B-Mortenance or Test C-Refuelag D Regulatory Restnction -

E Operator Trening & Ucense Exminem FhnistratNo Goperstmal Error (Egtan)

H4Xher (Exp6mn)

(3) Method 1-Manual 2-Manual Scran 3-Automate Scram 4<,ontinuation from Pre @us Month 5-Reducton in the Amrage Daly Pm Leal of more than 20% from the preAous day 6-Other (Explan)

(4) lEEE Std 80M984 (5) IEEE Std 803A-1983 EL%

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USNRC MONTHLY OPERATING REPORT Docket ;<o: 50-362 l- - SAN ONOFitE NUCLEAR GENERATING STATION Unit Name: SONGS 3 L UNIT 3 Date: February 12,1998 f January 1998 Completed by: C. E. Williams l

Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERAYING EXPERIENCE FOR THE MONTH -

Date Time Event

" 5111 4 0 ! , 00013 Mode tit 0,8%_ senator power, .1140 MWe,1101.9 EFPO % , ' , W

-1/16/98 0730 Commenced reactor power reduction to 8')% for heat treat.

@-w Ygy 0830g M.' at_00%seesterpower,'800MNo. 9 m

' e A ' W- y 1755 Con:menced reactor power increase after heat treat.

'd<" 2230 % Nst 100% seestorpower,;1100 Mime.m * ?F

. 4 Unit commenced reactor down power to 75% to facilitate securing of 1/18/98 ,1875 circulating water pump P115. Circulating water pump P115 had no g apparent seal water flow.

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>! Mnit atMenector power, 000lMWeg a 'h4 'i  % h. ;

Commenced reactor power increase after circulating water pump P115 1/22/98 1500 was retumed to service after repair.

[l@ % a 2210 ( . Unit at.908%'veesbor power,{1152 MINS. Mn i% y  ;,'

1/31/98 2400 Mode 1,99.8% reactor power,1150 MWe,191.8 EFPD f