ML13331B271
| ML13331B271 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 06/30/1990 |
| From: | Sarette T SOUTHERN CALIFORNIA EDISON CO. |
| To: | |
| Shared Package | |
| ML13331B270 | List: |
| References | |
| NUDOCS 9007190011 | |
| Download: ML13331B271 (8) | |
Text
NRC MONTHLY OPERATING REPORT DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE: July 16, 1990 COMPLETED BY: T. M. Sarette TELEPHONE:
(714) 368-9335 OPERATING STATUS
- 1. Unit Name:
San Onofre Nuclear Generating Station, Unit 1
- 2. Reporting Period: June 1990
- 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 720.00 4,343.00 201,991.00
- 12.
Number Of Hours Reactor Was Critical 718.00 4,162.86 118,024.70
- 13.
Reactor Reserve Shutdown Hours 0.00 0.00 0.00
- 14.
Hours Generator On-Line 717.75 4,145.90 113,825.38
- 15.
Unit Reserve Shutdown Hours 0.00 0.00 0.00
- 16.
Gross Thermal Energy Generated (MWH) 873,110.70 5,040,285.33 142,610,132.45
- 17.
Gross Electrical Energy Generated (MWH) 282,600.00 1,649,602.86 48,069,931.28
- 18.
Net Electrical Energy Generated (MWH) 274,992.00 1,562,070.00 45,324,490.00
- 19.
Unit Service Factor 99.69%
95.46%
56.35%
- 20.
Unit Availability Factor 99.69%
95.46%
56.35%
- 21.
Unit Capacity Factor (Using MDC Net) 87.60%
82.49%
51.47%
- 22.
Unit Capacity Factor (Using DER Net) 87.60%
82.49%
51.47%
- 23.
Unit Forced Outage Rate 0.00%
4.49%
19.35%
- 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 140 days.
- 25.
If Shutdown At End Of Report Period, Estimated Date of Startup: November 17,1990
- 26.
Units In Test Status (Prior To Commercial Operation):
Forecast Achieved INITIAL CRITICALITY NA NA INITIAL ELECTRICITY NA NA COMMERCIAL OPERATION NA NA 9007.'90011 900716.
F'DR AOCK 0500(0206 RFDC
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO:
50-206 UNIT NAME:
SONGS -
1 DATE:
July 16, 1990 COMPLETED BY: T. M. Sarette TELEPHONE:
(714) 368-9335 MONTH:
June 1990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 380.36 17 377.02 2
380.58 18 376.39 3
380.08 19 378.17 4
379.89 20 378.01 5
359.06 21 377.66 6
376.38 22 378.07 7
374.86 23 379.41 8
375.33 24 379.05 9
376.34 25 380.11 10 377.11 26 380.90 11 378.25 27 380.99 12 377.32 28 372.20 13 376.33 29 376.00 14 376.76 30 228.34 15 376.35 16 376.86
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 REPORT MONTH:
June 1990 DATE: July 16, 1990 COMPLETED BY: T. M. Sarette TELEPHONE:
(714) 368-9335 Method of Shutting Cause & Corrective Duration Down LER System Component Action to No.
Date Type' (Hours) Reason 2 Reactor3 No.
Code 4 Code5 Prevent Recurrence 139 900630 S
2.0 C,D 1
NA NA NA Reactor thermal shield suppora replacement and cycle 11W 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)
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
July 16, 1990 COMPLETED BY: T. M. Sarette TELEPHONE:
(714) 368-9335 Date Time Event June 1 0001 Unit is in Mode 1 at 92% reactor power. Turbine load at 399 MWe gross.
June 5 1510 Commenced reactor power decrease to allow removal from service of the south circulating water pump for cleaning large amounts of kelp on south screens and rakes.
1530 Reactor at 65% power. Commenced screens and rakes cleaning.
1833 Commenced reactor power increase.
1944 Reactor at 92% power.
June 28 1800 Reactor power reduced to 75% for main steam relief valve testing.
2255 Reactor power increased to 85%.
June 30 0047 Commenced reactor power decrease for main steam relief valve testing.
0113 Reactor at 70% power.
1150 Reactor at 67% power in preparation for circulating water system heat treatment.
1407 Commenced heat treatment.
1608 Completed heat treatment
SUMMARY
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE: July lb. 1990 COMPLETED BY:
T. M. Sarette TELEPHONE:
(714) 368-9335 Date Time Event June 30 1800 Commenced reactor shutdown for reactor thermal shield support replacement and Cycle 11 refueling outage.
2144 Entered Mode 2.
2145 Unit taken off line.
2200 Entered Mode 3.
2400 Unit is in Mode 3, day 1 of scheduled 140 day reactor thermal shield support replacement and Cycle 11 refueling outage.
0 REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
July 16, 1990 COMPLETED BY:
T. M. Sarette TELEPHONE:
(714) 368-9335 MONTH:
June 1990
- 1. Scheduled date for next refueling shutdown.
The Cycle 11 refueling outage commenced on June 30, 1990, and is currently in progress.
The Cycle 12 refueling outage is forecast to commence in June 1992.
- 2. Scheduled date for restart following refueling.
Restart from the Cycle 11 refueling outage is forecast for November 17, 1990.
Restart from the Cycle 12 refueling outage is forecast for September 1992.
- 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. 180, associated with the resolution of the 480V breaker overload issue.
b) License Amendment Application No. 181, associated with the thermal shield support replacement and monitoring program.
c)
License Amendment Application No. 182, associated with increased spent fuel pool cooling heat loads.
d)
License Amendment Application No. 183, associated with removal of the license condition related to the TDI diesel generators.
e)
License Amendment Application No. 185, associated with reduced minimum Auxiliary Feedwater Flow resulting from the cavitating venturi resizing.
REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
July 16, 1990 COMPLETED BY:
T. M. Sarette TELEPHONE:
(714) 368-9335 MONTH:
June 1990
- 3.
( Continued )
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. 180, auxiliary electrical supply, was submitted on April 19, 1990.
b) License Amendment Application No. 181, thermal shield support replacement and monitoring program, was submitted on April 20, 1990.
c) License Amendment Application No. 182, spent fuel pool cooling system, was submitted on May 16, 1990.
d) License Amendment Application No. 183, TDI diesel generator license condition, was submitted on June 5, 1990.
e) License Amendment Application No. 185, auxiliary feedwater system minimum flow requirements, was submitted on July 3, 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 at this time.
For Cycle 12 refueling, not yet specifically determined. Under evaluation.
REFUELING INFORMATION DOCKET NO:
50-206 UNIT NAME:
SONGS - 1 DATE:
July 16, 1990 COMPLETED BY:
T. M. Sarette TELEPHONE:
(714) 368-9335 MONTH:
June 1990
- 6. The number of fuel assemblies.
a) In the core.
157 b) In the spent fuel storage pool.
59
- 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)