ML13311B043

Monthly Operating Rept for Mar 1980

ML13311B043
Person / Time
Site:	San Onofre
Issue date:	04/07/1980
From:	Wattson P SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML13311B045	List: ML13311B043 ML19305D657
References
NUDOCS 8004150347
Download: ML13311B043 (5)

Text

AC40 - RA NRC MONTHLY OPERATING REPORT DOCKET NO.

50-206 DATE TIJ7T COMPLETEDBY P. WATTSON TELEPHONE

/714)49-7700 OPERATING STATUS

1. Unit Name:

San Onofre Nuclear Generating Station - Unit 1

2. Reporting Period: March 1, 1980 to March 31, 1980 1347

3. Licensed Thermal Power (MWt):

4

4. Nameplate Rating (Gross MWe):

5. Design Electrical Rating (Net MWe):

436 456

6. Maximum Dependable Capacity (Gross MWe):

436

7. Maximum Dependable Capacity (Net MWe):

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):

NA

10. Reasons For Restrictions, If Any:

This Month Yr.-to-Date Cumulative

' 744 2,184 112,160.3

11. Hours In Reporting Period

12. Number Of Hours Reactor Was Critical 735.2 1,772.6 84,404.9

13. Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On-Line 733.2 1,755.3 80,907.8

15. Unit Reserve Shutdown flours 0

16. Gross Thermal Energy Generated (MWH) 971,712 2,282,577 103,814,051

17. Gross Electrical Energy Generated (MWH)764,400 5453

18. Net Electrical Energy Generated (MWH) 314,538 730,743 33,578,109 18 NtElctialEnry enrte9(W)8.~:5

80.

75.6

19. Unit Service Factor 98.5 80.4_75.6

20. Unit Availability Factor 98.5 80.4 75.6

21. Unit Capacity Factor (Using MDC Net) 97.0 76.7 72.T

22. Unit Capacity Factor (Using DER Net) 97.0 76.7 72.8

23. Unit Forced Outage Rate 1_._5 3.1 9.2

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

Refueling, April 11, 1980 -7 weeks

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

NA

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

Forecast Achieved NA INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 5 CE Psso(1) 371 NEW 8/78 804150 3e.-it

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-206 UNIT SONGS-1 DATE 04/07/80 COMPLETED BY P. WATTSON TELEPHONE (714)492-7700 MONTH MARCH DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 438

'7 437 2

434 18 438 3

415 19 438 4

399 20 438 436 437 5

_21 6

285 22 437 327 407 8433 24 431 9

434 432 9

1-5 440 432 10 26 11 432 2432 12 437 28 432 436 432 13

_29 422 432 14

-30 1s 406 431 16 437 PSSO(1) 371 NEW 8/78

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-206 UNIT NAME SONGS-1 DATE 04/07/80 COMPLETED BY P. WATTSON REPORT MONTH MARCH C

PLETE B 714)492-770C TELEPHONE ZA4ZL.

Licensee Cause & Corrective Date Event 2A Action to Report -a Prevent Recurrence 51 03/03/80 S

7.3 B

5 NA HC HTEXCH Clean Condenser Water Boxes B

5 NA HB VALVEX Turbine Stop Valve Test 52 03/06/80 F

10.8 A

1 80-011 CJ VESSEL Overfilled PRT while purging, replaced Press. Relief Tank Rupture Diaphragm 53 03/14/80 S

6.0 B

5 NA HC HTEXCH Clean Condenser Water Boxes B

5 NA HB VALVEX Turbine Stop Valve Test 54 03/23/80 S

5.5 B

5 NA HF ZZZZZZ Heat Treat of Circ. Water System B

5 NA HB VALVEX Turbine Stop Valve Test 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 ([ER) File (NUREG D-Regulatory Restriction 4-Other (Explain) 0161 E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

Exhibit H-Same Source H4-Other (ExplWin)

Eventl Repor (LER Fie/NU8G

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-206 UNIT SONGS-1 DATE 04/07/80 COMPLETED BY P. WATTSON TELEPHONE (714)492-7700 At the beginning of March, the unit was at full load.

On March 3 at 2210 the unit load was reduced to 250 MWe to clean condenser inlet boxes. March 4 at 0525 the unit was returned to full load.

On March 6 at 1654 the unit was manually brought off line to replace the Pressurizer Relief Tank Rupture Diaphragm. Reactor was subcritical at 1737.

On March 7 at 0223 reactor was critical, and at 0345 the unit went on line.

At 0705 the unit returned to full load.

On March 14 at 2150 unit load was reduced to 250 MWe to clean condenser inlet water boxes and perform turbine stop valve test. The unit was returned to full load on March 15 at 0347.

From March 18 at 2030 to March 21 at 1805 the South Charging Pump was removed from service to repair thrust bearing and motor to pump coupling.

On March 22 from 0600 to 1640 the North Salt Water Cooling Pump was removed from service to replace the discharge pipe support.

On March 23 from 0600 to 1130 the unit load was reduced to 360 MWe to heat treat the circulating water system and to perform turbine stop valve test.

The unit was at full load at the end of the month.

Psso(,) 371 NEW 8/78

REFUELING INFORMATION DOCKET NO.

50-206 UNIT SONGS-1 DATE 04/07/80 COMPLETED BY P. WATTSON TELEPHONE (714) 492-7700

1. Scheduled date for next refueling shutdown.

April,i, 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?

Yes What will these be?

Proposed Change No. 88 to Provisional Operating License DPR-13, Appendix A Technical Specification 3.5.2, Control Rod Insertion Limits

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

February 8, 1980

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.

45

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.

April 1983 PSSO(I) 371 NEW 8/78