ML13331B333
| ML13331B333 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 03/31/1991 |
| From: | Vittum S SOUTHERN CALIFORNIA EDISON CO. |
| To: | |
| Shared Package | |
| ML13331B331 | List: |
| References | |
| NUDOCS 9105300053 | |
| Download: ML13331B333 (4) | |
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ATTACHMENT B Revised Unit 1 March 1991 Unit Monthly Operating Status SONGS Unit 1 Monthly Operating Report 9105300053 910515 PDR A:0OCK 05000206 R
NRC MONTHLY OPERATING REPORT DOCKET NO:
50-206 UNIT NAME:
SONGS -
1 DATE:
May 15, 1991 COMPLETED BY: S. L. Vittum TELEPHONE:
(714) 368-9230 OPERATING STATUS
- 1. Unit Name:
San Onofre Nuclear Generating Station, Unit 1
- 2. Reporting Period: March 1991
- 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):
See Item 10
- 10.
Reasons For Restrictions, If Any:
Power level reduction from full power as a result of a self-imposed reduced operating temperature to retard Steam Generator tube corossion rate.
This Month Yr.-to-Date Cumulative
- 11.
Hours In Reporting Period 744.00 2.160.00*
203,781.00
- 12.
Number Of Hours Reactor Was Critical 145.56 145.56 116,312.26
- 13.
Reactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14.
Hours Generator On-Line 145.56 145.56 112,501.94
- 15.
Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16.
Gross Thermal. Energy Generated (MWH) 91,210.90 91,210.90 141,530,712.51
- 17.
Gross Electrical Energy Generated (MWH) 28,800.00 28.800.00 47,704,144.00
- 18.
Net Electrical Energy Generated (MWH) 19,898.00 16,631.00 45,010,277.00
- 19.
Unit Service Factor 19.56%
6.74%
55.21%
- 20.
Unit Availability Factor 19.56%
6.74%
55.21%
- 21.
Unit Capacity Factor (Using MDC Net) 6.13%
1.77%
50.66%
- 22.
Unit Capacity Factor (Using DER Net) 6.13%
1.77%
50.66%
- 23.
Unit Forced Outage Rate 0.00%
0.00%
19.53%
- 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
- 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 Data corrected since previous submittal mor.mar/2
ATTACHMENT C Revised Unit 1 March 1991 Unit Shutdowns and Power Reductions SONGS Unit 1 Monthly Operating Report
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 REPORT MONTH:
March 1991 DATE:
May 15, 1991 COMPLETED BY: S. L. Vittum TELEPHONE:
(714) 368-9230 Method of Shutting Cause & Corrective Duration Down LER System Component Action to No.
Date Type' (Hours) Reason2 Reactor3 No.
Code4 Code5 Prevent Recurrence 139 900630 S
546.35 C,D 4
NA NA NA Reactor thermal shield suppr t Replacement and Cycle 11 refueling outage.
140 910326 F
51.87 B
1 NA BQ VTV Unit reduction for entry to Mode 3 to isolate SV-3900.
1F-Forced 2Reason:
3Method:
4IEEE 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%
sIEEE Std 803A-1983 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) mor.mar/4