ML13333A699

Monthly Operating Rept for Oct 1988 for San Onofre Nuclear Generating Station Unit 1

ML13333A699
Person / Time
Site:	San Onofre
Issue date:	10/31/1988
From:	Morgan H, Siacor E SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8811210286
Download: ML13333A699 (7)

Text

NRC MONTHLY OPERATING REPORT DOCKET NO. 50-206 UNIT SONGS - 1 DATE November 15, 1988 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 OPERATING STATUS

1. Unit Name:

San Onofre Nuclear Generating Station, Unit 1

2. Reporting Period:

October 1988

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

10. Reasons For Restrictions, If Any:

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

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 745.00 7,320.00 187,424.00

12. Number Of Hours Reactor Was Critical 745.00 3,167.84 109,629.36

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 745.00 3,154.08 105,580.77

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 918,555.00 3,757,695.70 132,886,663.75 17.Gross Electrical Energy Generated (MWH) 293,400.00 1,219,200.00 44,896,928.42

18. Net Electrical Energy Generated (MWH) 275,734.00 1,134,711.00 42,357,374.00

19. Unit Service Factor 100.00%

43.09%

56.33%

20. Unit Availability Factor 100.00%

43.09%

56.33%

21. Unit Capacity Factor (Using MDC Net) 84.89%

35.55%

51.83%

22. Unit Capacity Factor (Using DER Net) 84.89%

35.55%

51.83%

23. Unit Forced Outage Rate 0.00%

0.00%

19.60%

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

Cycle 10 refueling outage scheduled to start November 27, 1988 and scheduled for a duration of 89 days.

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 750120 136 10,162391 R

.00 0.0000.0 74.0 3,5408 15,807

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-206 UNIT SONGS - 1 DATE November 15, 1988 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 MONTH:

October 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 372.50 17 374.46 2

373.79 18 372.88 3

374.75 19 373.04 4

374.79 20 374.13 5

374.67 21 374.13 6

374.38 22 224.75 7

374.79 23 356.71 8

375.42 24 377.21 9

376.13 25 376.29 10 374.96 26 377.08 11 373.08 27 376.58 12 373.58 28 379.67 13 372.79 29 398.96 14 372.92 30 382.63 15 374.92 31 382.21 16 374.75

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-206 UNIT NAME SONGS - 1 REPORT MONTH OCTOBER 1988 DATE November 15, 1988 COMPLETED BY E. R. Siador TELEPHONE (714) 368-6223 Method of Shutting Cause & Corrective Duration Down LER SysteW Compongnt Action to No.

Date Typel (Hours)

Reason2 Reactor3 No.

Code Code" Prevent Recurrence 123 881021 S

0.00 B

5 NA KE SHV Power reduction of 20% orre SB COND to perform condens water box cleaning and turbine stop valve testing.

1F-Forced 2Reason:

3Method:

4 1EEE Std 805-1984 S-Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram.

C-Refueling 3-Automatic Scram.

D-Regulatory Restriction 4-Continuation from E-Operator Training & License Examination Previous Month F-Administrative 5-Reduction of 20%

G-Operational Error (Explain) or greater in the H-Other (Explain) past 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 6-Other (Explain)

SUM&

OF OPERATING EXPERIENCE FOR MONTH DOCKET NO.

50-206 UNIT SONGS - 1 DATE November 15, 1988 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 Date Time Event October 1 0001 Unit is in Mode 1 at 92% reactor power. Turbine load at 397 MWe.

October 21 2230 Commence power reduction to 160 MWe for circulating water system heat treat, turbine stop valve testing, water box cleaning, and reactor low flow quarterly surveillance.

October 22 1530 Unit load is at 160 MWe.

1800 Water box cleaning, turbine stop valve testing, circulating system heat treat and reactor low flow testing completed. Commence power increase to 92%

reactor power.

October 23 1221 Unit is at 92% reactor power, turbine load is at 402 MWe.

October 31 2400 Unit is in Mode 1 at 92% reactor power. Turbine load is at 406 MWe.

REFUELING INFORMATION DOCKET NO.

50-206 UNIT SONGS - 1 DATE November 15, 1988 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 MONTH:

October 1988

1. Scheduled date for next refueling shutdown.

November 27, 1988

2. Scheduled date for restart following refueling.

February 24, 1989

3.

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

Yes.

What will these be?

Proposed Technical Specification Changes are as follows:

PCN 180 - Revises the technical specifications to be consistent with the planned replacement of the Nuclear Instrumentation System.

PCN 181 - Revises the license to allow the shipment of spent fuel with the turbine gantry crane and deletes the requirement to perform a turbine deck load test.

PCN 182 - Revises TS 4.16, "Inservice Inspection of Steam Generator Tubing" to include an alternate tube plugging criteria.

PCN 184 - Revises the demonstration of the CEA trip ability to 7 days prior to reducing shutdown margin below limits.

PCN 185 - Revises Appendix A TS 2.1 & 3.5.1 to include the revised steam/feedwater flow mismatch trip setpoints and associated Limiting Conditions for Operations.

PCN 186 - Revises TS 4.2, "Safety Injection and Containment Spray System" periodic testing to include surveillance of a planned modification to add Safety Injection/Feedwater Pump trip on low-low Refueling Water Storage Tank (RWST) level.

PCN 194 - Modifies the positive isolation barrier requirements in TS 3.3.2 due to modifications to include MOV-358 onto the Uninterruptible Power Supply (UPS) for MOV-850C.

PCN 197 -

Increases load limit to 6,000 KW for each of the two Emergency Diesel Generators.

REFUELING INFORMATION DOCKET NO.

50-206 UNIT SONGS - 1 DATE November 15, 1988 COMPLETED BY E. R. Siacor TELEPHONE (714) 368-6223 MONTH:

October 1988

4.

Scheduled date for submitting proposed licensing action and supporting information.

PCN 180 - submitted to the NRC on April 15, 1988 PCN 181 - submitted to the NRC on April 28, 1988 PCN 182 - submitted to the NRC on 03/10/88 PCN 184 - scheduled for submittal to the NRC by mid-November 1988 PCN 185 - scheduled for submittal to the NRC by mid-November 1988 PCN 186 - scheduled for submittal to the NRC by mid-November 1988 PCN 194 - submitted to the NRC on November 7, 1988 PCN 197 - scheduled for submittal to the NRC by mid-November 1988

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.

146

7.

Licensed spent fuel storage capacity. 216 Intended change in spent fuel storage capacity. Under review

8.

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

12/88, Cycle 10 refueling outage. Transshipment program will enable continued operation of Unit 1 beyond 12/88. A minimum of 139 fuel assemblies will be transferred during the cycle 10 refueling outage which will support the planned cycle 11 reactor vessel ISI program.

Southem California Edison Company SAN ONOFRE NUCLEAR GENERATING STATION P. 0. BOX 128 SAN CLEMENTE, CALIFORNIA 92672 H.E.MORGAN TELEPHONE STATION MANAGER November 15, 1988 1714) 368-6241 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

Subject:

Docket No. 50-206 Monthly Operating Report for October 1988 San Onofre Nuclear Generating Station, Unit 1 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 contact us if we can be of further assistance.

Sincerely, Enclosures cc:

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

F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3)

Institute of Nuclear Power Operations (INPO)