ML13311B018

Monthly Operating Rept for Dec 1979

ML13311B018
Person / Time
Site:	San Onofre
Issue date:	01/10/1980
From:	Wattson P SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML13311B017	List: ML13311B016 ML13311B018
References
NUDOCS 8001150326
Download: ML13311B018 (5)

Text

AC40 - RA NRC MONTHLY OPERATING REPORT 50- 206 DOCKET NO. 50-20 DATE COMPLETED BY TELEPHONE (714) 492-7700 OPERATING STATUS

1. Unit Name:

San Onofre Nuclear Generating Station - Unit 1

2. Reporting Period:

December 1, 1979 to December 31, 1979 1347

3. Licensed Thermal Power (MWt):

4

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 C fnfs Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

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

N.A.

10. Reasons For Restrictions, If Any:

N.A.

This Month, Yr.-to-Date Cumulative

11. Hours In Reporting Period 744

• 8,760 109,976.30

12. Number Of Hours Reactor Was Critical 744 7,91 82,632

13. Reactor Reserve Shutdown Hours U

U

14. Hours Generator On-Line 744 7,905.13 79,152755

15. Unit Reserve Shutdown Hours 0

16. Gross Thermal Energy Generated (MWH) 986,706 10,522 790 330,600 3,52920 34,671,434

17. Gross Electrical Energy Generated (MWH)

18. Net Electrical Energy Generated (MWH) 317,135 3,355,531 7

19. Unit Service Factor 1

90.24

20. Unit Availability Factor 100 90.z4

/b.49

21. Unit Capacity Factor (Using MDC Net)

.97.77 87.93

22. Unit Capacity Factor (Using DER Net) b.42

23. Unit Forced Outage Rate b.42_9_._225

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

TMI-Backfit January 21, 1980 2 Weeks Refueling April 1980 - 6 Weeks

25. If Shut Down At End Of Report Period, Estimated Date of Start~jp

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

A.

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY_______

COMMERCIAL OPERATION_______

,-CE PSSO(,)

371 N4EW 8/78 80011 50 3..

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50 UNIT NAME DATE 1-10-80 December COMPLETED BY P.Wattson TELEPHONE (714) 492-7700 Licensee Cause & Corrective No.

Date Event Action to Report f oE Prevent Recurrence 37 12-12-79 S

8.3 B

4 N.A.

HF HTEXCH Condenser Tube Leak 38 12-16-80 F

50.7 A

4 N.A.

HF PUMPXX Circulating Water Pump Failure

-~3 4

F: Forced Reason:

Method:

Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain)

!-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram.

Even Report (LER) File (NUREG D-Regulatory Restriction 4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administrative G-Opeiational Error (Explain)

Exhibit H-Sainc SOmre I4t1rElxl (Explain)

PSSO(Er 371 NEW 8/7e

AVERAGE DAILY UNIT POWER LEVEL 50-206 DOCKET NO.

50206 UNIT SONGS-1 DATE 1-10-80 COMPLETEDBY P. Wattson TELEPHONE (714) 492-7700 MONTH December DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 433 346 I

_17 2

434 8

408 3

434 9

432 4

434 20 433 5

434 21 432 6

434 2-2 434 7

434 23 434 8

433 24 432 433 25 430 43426 431 11 433 431 12 400 28 430 13 394 29 429 14 432 30 431 is 433 31 430 16 362 PSSO(l) 371 NEW 8/78

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.

50-206 UNIT SONGS-1 DATE 1-10-80 COMPLETED BY Wattson TELEPHONE (714) 492-7700 At the beginning of the month the unit was operating at 452 MWe.

On December 12, at 2040, the unit load was reduced to 260 MWe to locate a condenser tube leak, the unit load was returned on December 13, at 0600.

On December 16, at 0348, the unit load was reduced to 366 MWe to repair the south circulating water pump. The unit load was returned on December 18, at 0630.

PSSo(l) 371 NEW 8/78

REFUELING INFORMATION DOCKET NO.

50-206 SONGS 1 UNIT DATE 1-10-80 COMPLETED BY P.Wattson TELEPHONE (714) 492-7700

1. Scheduled date for next refueling shutdown.

April, 1980

2. Scheduled date for restart following refueling.

June, 1980

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

No chgn es expected at this date.

What wilT these be?

N.A.

4. Scheduled date for'submitting proposed licensing action and supporting information.

N.A.

5. Important licensing considerations associated with refueling, e.g.

new or different fuel design or supplier, unreviewed design or performance analysis 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.

58

7. Licensed spent fuel storage capacity.

216 Intended change in spent fuel storage capacity.

None

8. Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

January, 1983 PSSO(l) 371 NEW 8/78