ML20235Z134

Monthly Operating Rept for Sept 1987

ML20235Z134
Person / Time
Site:	San Onofre
Issue date:	09/30/1987
From:	Morgan H, Siacor E SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8710200618
Download: ML20235Z134 (7)

Text

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L NRC MONTHLY OPERATING REPORT DOCKET NO.

50-206' UNIT NAME SONGS - 1 DATE osober-15, 1987 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 OPERATING STATUS

1. Unit Name:

San Onofre Nuclear Generating Station, Unit 1

2. Reporting Period: September 1987

3. Licensed Thermal Power (MWt):

1347

4. Nameplate Rating (Gross MWe):

456

5. Design Electrical Rating (Net MWe):

436

6. Maximum Dependable Capacity (Gross MWe):

456

7. Maximum Dependable Capacity (Net MWe):

436

8. If Changes Occur In Capacity Ratings (Items Number 3 Through 7).

Since Last Report, Give Reasons:

NA

9. Power Level To Which Restricted, If Any (Net MWe): _ 390 j

10. Reasons For Restrictions, If Any:

Self-imposed power level limit to control steam generator tube corrosion.

1 This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 720.00 6,551.00 177,895.00

12. ' Number Of Hours Reactor Was Critical 652.50 5,173.90 104,252.52

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 647.56 5,114.41 100,217.69

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 743,191.57 6,188,546.76 126,494,455.62

17. Gross Electrical Er.argy Generated (MWH) 240,932.04 2,024,732.04 42,817,928.42_

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18. Net Electrical Energy Generated (MWH) 224 501.00 1,898,112.00 40,412,774.00

19. Unit Service Factor 89.94%

78.07%

56.34%

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20. Unit Availability Factor 89.94%

78.07%

56.34%

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21. Unit Capacity Factor (Using MDC Net) 71.52%

66.46%

52.10%

22. Unit Capacity Factor (Using DER Net) 71.52%

66.46%

52.10%

23. Unit Forced Outage Rate 10.06%

2.70%

20.44%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Mid-cycle outage February 1988, 40-day duration

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25. If Shutdown At End Of Report Period, Estimated Date of Startup:

NA

26. Units In Test Status (Prior To Commercial Operation):

Forecast Achieved INITIAL CRITICALITY NA NA INITIAL ELECTRICITY NA NA COMMERCIAL OPERATION NA NA kR O jB 870930 7596u/3 R

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DATE October'- 15,.'1987' r:

. COMPLETED BY 'E. R. Siacor TELEPHONE (714) 368-6223-t

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lj0 NTH:

SeptembAr 1987

' DAY:' AVERAGE DAILY-POWER LE' VEL DdY

'AVERAGEDIILYPOWERLEVEL

(MWe-Net).

(MWe-Net)

L11

'382.38

'17 374.79

.2 382.83 18 376.00 ns 3,

357.50-19 377.17 n.

4 131.46 20 377.96-5*

42.29-21 377'71 6

0.00 22 329 92

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7 0.00 23 324.04-8 78.79-24 271.79' 9

'372.50 25 338.00 10 374.13 26 374.21 11 373.00 27 372.79 12 374.17 28 375.88 13

'372.50 29 377.38

.,.14 372.58 30 376.38

.c L15 372.08 31 NA 16

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET 50-206 UNIT SONGS - 1 DATE october 15,~1987 I

COMPLETED BY E. R. Siacor l

i TELEPHONE (714) 368-6223 _

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DATE TIME EVENT j

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September 1 0001 Unit is in Mode 1.

Reactor at 92% power and turbine l

load at 404 MWe gross, l

a September 3 2130 Commenced power reduction to repair a body-to-bonnet 1

leak on East Main Feedwater Pump discharge valve HV-852A.

2225 Reactor at 37% power.

Turbine load at 145 MWe gross.

September 4 2358 Commenced power increase following completion of repair to HV-852A.

September 5 0120 Reactor at 92% power. Turbine load at 400 MWe gross.

0142 Commenced power reduction after repair to HV-852A was unsuccessful in stopping leakage.

0300 Reactor at 40% power. Turbine load at 150 MWe gross.

0405 Commenced Unit shutdown from 40% power to repair HV-852A.

0842 Entered Mode 2.

f' 0844 Main Generator taken off-line.

0910 Entered Mode 3.

September 8 0318 Commenced reactor startup following completion of repairs and satisfactory testing of HV-852A.

0402 Entered Mode 2.

0412 Reactor made critical.

0910 Entered Mode 1.

Synchronized Unit to the grid.

Continue power increase to full power.

2215 Reactor at 91% power.

Turbine load at 393 MWe gross.

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SUMMARY

OF-OPERATING EXPERIENCE FOR' THE-MONTH :

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(Continued)

DATE' TIME EVENT.

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September;22-0330 Commenced power reduction: to 81% due to_ increasing control-rod shroud inlet. temperature and to:

. investigate Control; Rod Cooling Fan A-8 failure.

7 0342 Reactor,at 81%. power. Turbine load at=350' We gross.

w September 25.-

0707~

. Commenced reactor' power' increase following completion-

'of repairs to Fan A-8.--

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".0705 Reactor at=91% power.' Turbine' load at'390 MWe gross.

L September.' 30 :

2400-

, Unit is in. Mode l'at'91% reactor power.

Turbine load at 398 MWe gross.

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i gV REFUELING'INFORMATiON

1. li

'J7 L

DOCKET NO.

50-206'-

t I

UNIT

~ SONGS - 1

]

c n-DATE october 15,'1987

~

l C0MPLETED BY E. R. Siacor

,:1 TELEPHONE (714)l368-6223 MONT4:

Septembe'r?1987 a

1.

Scheduled'date for next refueling shutdown.

' July.1988l 1

n.

M 1 2. LScheduled date for restart!following refueling.

October 1988

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3. lWill refueling'or resumption of. operation thereafter require a. Technical

~

l Specification change or:other. license amendment?

Not yet' determined

-What will these be?

Not yet determined 4.

Scheduled date for submitting proposed licensing ~ action and supporting information.

~

Not yet determined

5. 'Important Licensing considerations associated with refueling, e.g..new or different fuel design or supplier, unreviewed design or performance analysis b.

methods, significant' changes in fuel design, new operating procedures.

None 6.

The number of fuel assemblies.

a) In the core.

157 b) In the spent fuel storage pool.

146

7.. Licensed spent fuel storage capacity. 216 Inten6ed change in spent fuel storage capacity.

Under review L

.8.

Projected date of last refueling that can be discharged to spent fuel storage i

pool assuming present capacity, d

June 1988

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.c Southem Califomia Edison Company i

. SAN ONOFRE NUCLEAR GENERATING STATION P. O. BOX 128

. SAN CLEMENTE. CALIFORNIA 92672 TELEPHONE-H.'E.MONGAN' n ation wanaoc" October' 15, 1987 d

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.U.S. Nuclear Regulatory Commi :: ion

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Washington, D.C.

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Subject:

Docket ~No. 50-206

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. $v

,V !

Monthly Operating Report for September 1987 0,

!l San Onofre Nuclear Generating Station, Unit I w.

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Enclosed'is the Monthly Operating Report as required by-Section 6.9.1.10,of Appendix'A, Technical Specifications to Provisional Operating License DPR-13 for San Onofre Nuclear Generating Station, Unit 1.

- Please ccatact us if we can be of further assistance.

Sincerely, MbM Enclosures.

cc:

J. B. Martin (Regional Administrator, USNRC Region V)

F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3) 1 R. F. Dudley, Jr. (USNRC Unit 1 Project Manager, Office of Nuclear Reactor Regulation)

Institute of Nuclear Power Operations (INP0)

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