ML13331B308
| ML13331B308 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 01/31/1991 |
| From: | Nandy F, Vittum S SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9102200056 | |
| Download: ML13331B308 (8) | |
Text
Southern California Edison Company 23 PARKER STREET IRVINE, CALIFORNIA 92718 F. R. NANDY TELEPHONE MANAGER. NUCLEAR LICENSING February 14, 1991
)454-4504 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555
Subject:
Docket No. 50-206 Monthly Operating Report for January 1991 San Onofre Nuclear Generating Station, Unit 1 Technical Specification 6.9.1.10 to Provisional Operating License DPR-13 for the San Onofre Nuclear Generating Station, Unit 1, requires SCE provide a Monthly Operating Report which includes: routine operating statistics and shutdown experience; and, all challenges to pressurizer safety and relief valves.
This letter transmits the January 1991 Monthly Operating Report for Unit 1.
There were no challenges to pressurizer safety or relief valves during the reporting period.
If you require any additional information, please let me know.
Very truly yours, Enclosures cc: J. B. Martin (Regional Administrator, USNRC Region V)
C. W. Caldwell (USNRC Senior Resident Inspector, Units 1, 2 and 3)
G. Kalman (NRR, SONGS Project Manager)
Institute of Nuclear Power Operations (INPO) 9102200056 910131 PDR ADOCK 05000206/
R PDR
NRC MONTHLY OPERATING REPORT DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
COMPLETED BY:
S. L. Vittum TELEPHONE:
(714) 368-9230 OPERATING STATUS
- 1. Unit Name:
San Onofre Nuclear Generating Station, Unit 1
- 2. Reporting Period:
January 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):
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 744.00 744.00 202,365.00
- 12.
Number Of Hours Reactor Was Critical 0.00 0.00 116,166.70
- 13.
Reactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14.
Hours Generator On-Line 0.00 0.00 112,356.38
- 15.
Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16.
Gross Thermal Energy Generated (MWH) 0.00 0.00 141,439,501.61
- 17.
Gross Electrical Energy Generated (MWH) 0.00 0.00 47,675,344.00
- 18.
Net Electrical Energy Generated (MWH)
(1,556.00)
(1,556.00) 44,992,090.00
- 19.
Unit Service Factor 0.00%
0.00%
55.52%
- 20.
Unit Availability Factor 0.00%
0.00%
55.52%
- 21.
Unit Capacity Factor (Using MDC Net) 0.00%
0.00%
50.99%
- 22.
Unit Capacity Factor (Using DER Net) 0.00%
0.00%
50.99%
- 23.
Unit Forced Outage Rate 0.00%
0.00%
19.55%
- 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Reactor thermal shield support replacement and cycle 11 refueling outage commenced on June 30, 1990. Outage duration scheduled for 243 days.
- 25.
If Shutdown At End Of Report Period, Estimated Date of Startup:February 28,1991
- 26.
Units In Test Status (Prior To Commercial Operation):
Forecast Achieved INITIAL CRITICALITY NA NA INITIAL ELECTRICITY NA NA COMMERCIAL OPERATION NA NA mor.jan/2
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
COMPLETED BY: S. L. Vittum TELEPHONE:
(714) 368-9230 MONTH:
January 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 10.00 17 0.00 2
0.00 18 0.00 3
0.00 19 0.00 4
0.00 20 0.00 5
0.00 21 0.00 6
0.00 22 0.00 7
0.00 23 0.00 8
0.00 24 0.00 9
0.00 25 0.00 10 0.00 26 0.00 11 0.00 27 0.00 12 0.00 28 0.00 13 0.00 29 0.00 14 0.00 30 0.00 15 0.00 31 0.00 16 0.00 mor.jan/3
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 REPORT MONTH:
January 1991 DATE:
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) Reason Reactor' No.
Code 4 Code5 Prevent Recurrence 139 900630 S
744 C,D 4
NA NA NA Reactor thermal shield support replacement and cycle 11 refueling outage.
'F-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.jan/4
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
COMPLETED BY: S. L. Vittum TELEPHONE:
(714) 368-9230 Date Time Event January 1
0001 Unit is defueled, day 188 of the reactor thermal shield repair and Cycle 11 refueling outage.
January 24 1928 Entered Mode 6 and commenced core alterations loading fuel.
January 31 2400 Unit is in Mode 6 fuel loaded, day 219 of the reactor thermal shield repair and Cycle 11 refueling outage.
mor.jan/5
REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS -
1 DATE:
COMPLETED BY:
S. L. Vittum TELEPHONE:
(714) 368-9230 MONTH:
January 1991
- 1. Scheduled date for next refueling shutdown.
The Cycle 11 refueling outage, commenced on June 30, 1990, is currently in progress.
The Cycle 12 refueling outage is forecast to commence in September 1992.
- 2. Scheduled date for restart following refueling.
Restart from the Cycle 11 refueling outage is forecast for February 28, 1991.
Restart from the Cycle 12 refueling outage is forecast for February 1993.
- 3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?
Yes, for Cycle 11 refueling.
Not yet specifically determined for Cycle 12 refueling.
What will these be?
For Cycle 11 refueling:
a)
License Amendment Application No. 189, to resolve single failure susceptibilities of the 4160 volt electrical distribution system and the Safeguards-Load Sequencing System (SLSS), was submitted on September 28, 1990.
b)
License Amendment Application No. 191, to revise the Technical Specification Table 4.1.2 to reflect changes to the Volume Control and Charging System resulting from the addition of MOV-1100E, was submitted on December 12, 1990.
mor.jan/6
REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
COMPLETED BY:
S. L. Vittum TELEPHONE:
(714) 368-9230 For Cycle 12 refueling:
Not yet specifically determined. Under evaluation.
- 4. Scheduled date for submitting proposed licensing action and supporting information.
For Cycle 11 refueling outage:
a) License Amendment Application No. 189, to resolve single failure susceptibilities of the 4160 volt electrical distribution system and the SLSS, was submitted on September 28, 1990.
b) License Amendment Application No. 191, to revise the Technical Specification Table 4.1.2 to reflect changes to the Volume Control and Charging System resulting from the addition of MOV-1100E, was submitted on December 12, 1990.
For Cycle 12 refueling outage:
Not yet specifically determined. Under evaluation.
- 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.
For Cycle 11 refueling, none have been identified.
For Cycle 12 refueling, not yet specifically determined. Under evaluation.
mor.jan/7
REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
COMPLETED BY:
S. L. Vittum TELEPHONE:
(714) 368-9230 MONTH:
January 1991
- 6. The number of fuel assemblies.
a) In the core.
157 b) In the spent fuel storage pool.
99
- 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.
Approximately 1995 (refueling only)
Approximately 1991 (full off load capability) mor.jan/8