ML20211N698

Monthly Operating Repts for Sept 1997 for San Onofre Nuclear Generating Station Units 2 & 3

ML20211N698
Person / Time
Site:	San Onofre
Issue date:	09/30/1997
From:	Gibson G, Williams C SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9710170078
Download: ML20211N698 (9)

Text

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qqu sommemou,mm d EDISON u i mov rui n mour - no,rm October 9,1997 s

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

Subject:

Dockei Nos. 50-361 and 50-362

Monthly Operating Reports for September 1997

{: San Onofre Nuclear Generating Station, Units 2 and 3 I 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, iespectively, reouires "

} Scuthern 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 September 1997 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 ccntact Mr. C. E. Williams at (714) 368-6707.

Sincerely, '

Gregory T. Gibson Manager, Compliance Enci esures cc:

Ib lj E. W. Merschoff, Regional Administrator, N;.0 Region IV K E. Perkins, Jr., Director, Wcinut Creek Field ')ffice, NRC Region IV M. B. Fields, NRR Project Manager, San Onofre Units 2 & 3 J. A. Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 1COC2?

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1 Enclosure 1 NRC Monthly Operailng Report, September 1997 San Onofre Nuclear Generating Station, Unit 2

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: October 9,1997 September 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 l

OPERATING DATA REPORT Wis; Desigri Electrical Rating (Not MWe)1 ^

1c< 61070I:

2 Maximum Dependable Capacity (Gross MWe) 1127 3M Maximum Dependable Cepeelty (Not MWe)s 4 sh '"9n n ,,

s a1070s' s

This Month Yr to-Date Cumulative

[41 Numbpof,W$ Period aS, (#@N 4720i! . Sf4;56M i x $128,792iw 5 Number of Hours Reactor Was Critical 720 4,056 95,461 (83 HoursGenerstkonlirnQhe,;  % -(720h , f3,988i . , 3 3,835s 7 Unit Reserve Shutdown Hours 0.0 0.0 0.0

~

68li 'Ne(Elsctrical Eneriy1Geherited (MWh)b 1786;012) !4,209l854) i[98,'800;93 %

e

l USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS 2 UNIT 2 Date: October 9,1997 September 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS 1

l i

NQmbers '. r 8 - em aw +, -

N N/A k >

!- Date N/A Type'(1)! W'; '

f '

' ;N/A9 *; l

~

Duration (1)- N/A

Romeon(2)i 4 '

• ew s asW ah eds . MM iN/Ai m Mr i

! Method of shutting down reactor (3) N/A LER No&@! - Cc ,

' ^^ , 69' ' GPi ' - 1N/A?; 'E >' M t e System Code (4)- N/A Component Code (5)b @  % ~

4 y 'ln; M N/A % w ' s ~ x l Cause and corrective action to prevent reco 'ence N/A (1) F-Forced S-scwsuied (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restr6ction E-operator Training a Ucense Examnete F Administrative G4perational Error (Explain)

H-other (Explem)

(3) Method 1-Menual 2-Manual Scram 3 Automahc Scram 4-Conhnushon from Previous Month 5-Reduchon in the Average Deily Power Level of more then 20% from the prov60us day 6-other (Explem)

(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: October 9,1997 September 1997 Completed by: C. E. Williams

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

t

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Dats Time Event 9/1/97/ [0001) Mode 1[99,9%'reAdor powers 11'50 MWefi;132.8 EFPD3 -

9/7/97 0405 Commenced reactor power reduction to 80% to perform heat treat.

m. -R ;0620? Reador powerV80N ^(n s ?@

_m * 'N Initiated reactor power increase to 100% after heat treat and turbine 1550 valve testing.

• - 2057?  ; Reactor power l.ati100%fMWei11533 >

g  %%

9/30/97 2400 Mode 1,99.7% reactor power,1143 MWe,162.6 EFPD

)

Enclosure 2 NRC Monthly Operating Report, September 1997 l

San Onofre Nuclear Generating Station, Unit 3 l

USNRC MONTHLY OPERATING REPORT Docket No: 50 362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: October 9,1997 September 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 OPERATING DATA REPORT 11: Design Electrical Rating (Not MWe)/  :

(1080Li 2 Maximum Dependable Capacity (Gross MWe) 1127 932 Maximum Dependable Capacity (Not MWe) 9 + s s1080$

This Month Yr-to-Date Cumulative 041 Number of Hours in Period) 17202 f ' 16,5516 v118,3432 4 Number of H(us Reactor Was Critical 720 4,300 94,593 iS:l l Hours Generator On lines nf V $720i < f4,149l;: s E92,683 i 6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 372 Net Electrical Energy Generated (MWh); 1788,408s ?4,410,3855 196,188,396;:

^

USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SA'N ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: October 9,1997 September 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS

' Number!  %' ^

' m j N/Ai Date N/A

< Type (1)1 m ~ s % E -

lN/Ai >

Duration (Hours) N/A Reason (2)? <

s ^

EN/At Method of shutting down reactor (3) N/A

^

LER No ! / , , MGP m 2N/AT System Code (4) N/A j Component Code (5)l! < s e ' gm ' EN/Ai Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (2) Resoon: A-Equipment FaAure (Explam)

B-Mainterence or Test C-Refueling D-Regulatory Restriction E-Operator Training & Ucense Exarnination FJ2nJnistrattve G-operational Error (Explain)

H-Other (Explain)

('l) Method 1-Manual 2-Manual Scram 3 Automatic Scram 4 Continuation from Prevmus Month f Reduction in the Averago Daily Poner Level of more than 20% from the previous day 6-Other (Expzaa)

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

USNRC MONTHLY OPERATING REPORT Docket No: 50-362

~

SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: October 9,1997 September 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH f

Date Time Event

?9/1/9D '0001J -Mode 1l 99.8% reactor power /1143 MWel40.6 EFPD t <

9/30/97 2400 Mode 1,100% reactor power,1140 MWe,70.3 EFPD