ML20133M415

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Monthly Operating Repts for Dec 1996 for SONGS Units 2 & 3
ML20133M415
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 12/31/1996
From: Williams C
SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20133M403 List:
References
NUDOCS 9701220381
Download: ML20133M415 (14)
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Text

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ENCLOSURE 1 1

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9701220381 970115 PDR ADOCK 05000361 R PDR

NRC MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION, UNIT 2 , ,

DOCKET NO: 50-361 UNIT NAME: SONGS - 2 '

DATE: January 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: f 714 ) 368-6707 OPERATING STATUS

1. Unit Name: San Onofre Nuclear Generatina Station. Unit 2
2. Reporting Period: December 1996
3. Licensed Thermal Power (MWt): 3390
4. Nameplate Rating (Gross MWe): 1127
5. Design Electrical Rating (Net MWe): 1070
6. Maximum Dependable Capacity (Gross MWe): 1127
7. Maximum Dependable capacity (Net MWe): 1070
8. If Changes occu:; 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: NA This Month Yr.-to-Date Cumulative
11. Hours In Reporting Period 744.00 8.784.00 117.241.00
12. Number Of Hours Reactor Was Critical 0.00 8.016.72 91.404.91
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 0.00 8.016.68 89.846.99
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generated (MWH) 0.00 26.608.748.85 294.246.763.60
17. Gross Electrical Energy Generated (MWH) 0.00 8.980.891.00 99.682.773.50
18. Net Electrical Energy Generated (MWH) (1.740.261 8.548.491.67 94.591.083.58
19. Unit Service Factor 0.00% 91.26% 76.63%
20. Unit Availability Factor 0.00% 91.26% 76.63%
21. Unit Capacity Factor (Using MDC Net) 0.00% 90.95% 75.40%
22. Unit Capacity Factor (Using DER Net) 0.00% 90.95% 75.40%
23. Unit Forced Outage Rate 0.00% 0.00% 4.79%
24. Shutdowns Scheduled over Next 6 Months (Type, Date, and Duration of Each):

Cycle 9 Refuelino Outace commenced November 30. 1996

25. If Shutdown At End Of Report Period, Estimated Date of Startup: Februarv 8. 1997
26. Units In Test Status (Prior To Commercial Operation): Forecast Achieved INITIAL CRITICALITY NA NA INITIAL ELECTRICITY NA NA COMMERCIAL OPERATION NA NA 1

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.: AVERAGE DAILY UNIT POWER LEVEL 4

DOCKET NO: 50-361 i UNIT NAME: SONGS -2 )

DATE: Januarv 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: _]714) 368-6707 j l

MONTH: December 1996 I

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (Mwe-Net) (MWe-Net) 1 0.00 16 0.00  ;

2 0.00 17 0.00 3 0.00 18 0.00 )

4 0.00 19 0.00 5 0.00 20 0.00 6 0.00 21 0.00 7 0.00 22 0.00 8 0.00 23 0.00 1 9 0.00 24 0.00 10 0.00 25 0.00 11 0.00 26 0.00 12 0.00 27 0.00 13 0.00 28 0.00 14 0.00 29 0.00 15 0.00 30 0.00 31 0.00 l

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UNIT SHUTDOWNS AND POhT.R REDUCTIONS

' DOCKET NO: 50-361 UNIT NAME: SONGS -2 ~

REPORT MONTH: December 1996 DATE: January 15. 1997 --

COMPLETED BY: C. E. Williams TELEPHONE: f714) 368-6707 Method of Shutting Cause & Corrective Duration Down LER System Component Action to No. Date Type 2 (Hours) Reason 2 Reactor 3 No. Code

  • Code' Prevent Recurrence 101 11/30/96 S 744.0 C 2 NA N/A N/A Cycle 9 Refueling Outage 2F-Forced 2 Reason: ' Method: 'IEEE Std 805-1984 S-Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram. 'IEEE Std 803A-1983 C-Refueling 3-Automatic Scram.

D-Regulatory Restriction 4-Continuation from E-Operator Training & License Examination Previous Month F-Administrative 5-Reduction in the Average G-Operational Error (Explain) Daily Power Level of more H-Other (Explain) than 20% from the previous day 6-Other (Explain) 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO: 50-361 UNIT NAME: SONGS - 2 DATE: January 15, 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 36P-6707 Date Time Event December 01 0000 Unit is in Mode 4, cooling down for entry into Mode 5 for Cycle 9 refueling outage.

0315 Unit entered Mode 5 1416 Reactor Coolant Pump 2P003 stopped.

2111 Reactor Coolant Puinp 2P001 stopped, all RCPs stopped.

j December 02 1205 Collapsed Pressurizer bubble, RCS is solid.

December 04 1205 Commenced RCS draindown to 26 inches in the hot leg to install Steam Generator Nozzle Dams.

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December 05 0145 Completed RCS draindown at 26 inches in the hot leg.

1657 Commenced fill of RCS after installation of Steam Generator Nozzle Dams.

2150 Completed fill of RCS at approximately one-half foot below reactor vessel flange.

December 06 0929 Unit entered Mode 6.

4 December 08 0515 Reacto'r Vessel Head removed.

December 10 0117 Refueling Cavity filled to 23 feet, six inches above reactor vessel flange.

December 12 0221 Commenced core off-load.

December 16 1132 Completed core off-load.

December 31 2400 Unit is defueled, in the 31st day of the Cycle 9 refueling.

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REFUELING INFORMATION DOCKET NO: 50-361 UNIT NAME: SONGS - 2 DATE: Januarv 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707 s

MONTH: December 1996

1. Scheduled date for next refueling shutdown:

Cycle 9 refueling outage commenced November 30, 1996.

2. Scheduled date for restart following refueling:

Restart from Cycle 9 refueling outage is forecast for February 8, 1997.

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

No.

What will these be?

l N/A I

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

information. i N/A

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.

Increase in fuel enrichment.

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  • I REFUELING INFORMATION (continued)

DOCKET NO: 50-361 UNIT NAME: SONGS - 2 DATE: January 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707 ,

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6. The number of fuel assemblies. I A. In the core. O B. In the spent fuel storage pool. 1087 Total Puel Assemblies i 917 Unit 2 Soent Fuel Assemblies l

100 Unit 2 New Puel Assemblies 70 Unit 1 Scent Fuel Assemblies C. In the New Fuel Storage Racks Zero Unit 2 New Puel Assemblies

7. Licensed spent fuel storage capacity. 1542 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.

January 2006 (assuming 22 month fuel cycles for all future cycles, and Unit 1 fuel remains where it is currently located).

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' ' Z ENCLOSURE 2 l

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NRC MONTHLY OPERATING REPORT SAN ONOfRE NUCLEAR GENERATING STATION, UNIT 3 ,

DOCKET NO: 50-362 UNIT NAME: SONGS - 3 DATE: January 15. 1997 ,",

COMPLETED BY: C. E. Williams .

TELEPHONE: f714) 368-6707 OPERATING STATUS

1. Unit Name: San Onofre Nuclear Generatino Station. Unit 3 i December 199G i
2. Reporting Period:
3. Licensed Thermal Power (MWt): 3390
4. Nameplate Rating (Gross MWE): 1127 t
5. Design Electrical Rating (Net MWE): 1080
6. Maximum Dependable Capacity (Gross MWE): 1127
7. Maximum Dependable Capacity (Net MWE): 1080
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: NA This Month Yr.-to-Date Cumulative t
11. Hours In Reporting Period 744.00 8.784.00 111.792.00 '
12. Number Of Hours Reactor Was Critical 744.00- 8.355.48 90.292.18
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 744.00 8.311.67 88.531.31
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generuted (MWH) 2.497.044.24 27.639.982.80 286.139.482.20
17. Gross Electrical Energy _ Generated (MWH) 846.630.00 9.321.737.50 97.081.207.50
18. Net Electrical Energy Generated (Inni) 804.454.74 8.838.647.32 91.778.010.88
19. Unit Service Factor 100.00% 94.62% 79.19%
20. Unit Availability Factor 100.00% 94.62% 79.19%
21. Unit Capacity Factor (Using MDC Net) 100.12% 93.17% 76.02%  ;
22. Unit Capacity Factor (Using DER Net) 100.12% 93.17% 76.02% l
23. Unit Forced Outage Rate 0.00% 0.00% 5.10%  ;
24. Shutdowns Scheduled Over Next 6 Months (Type , Date, and Duration of Each):

Refuelina shutdown. Anril 5. 1997. 70 davs j

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 i

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AVERAGE DAILY UNIT POWER LEVEL l .

, DOCKET NO: 50-362 UNIT NAME: SONGS - 3 DATE: January 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707 MONTH: December 1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1084.18 16 1079.89 2 1083.93 17 1081.48 3 1084.31 18 1083.68 4 1083.81 19 1083.14 5 1081.77 20 1082.39 6 1081.89 21 1074.27 7 1080.81 22 1082.39 8 1082.23 23 1081.39 9 1081.98 24 1080.93 10 1081.93 25 1081.64 11 1080.85 26 1081.31 12 1081.81 27 1079.73 13 1080.06 28 1079.68 14 1079.14 29 1080.43 15 1079.10 30 1079.68 31 __

1079.10 l

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-362 UNIT NAME: SONGS - 3 REPORT MONTH: December 1996 DATE: January 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: f714) 368-6707 Method of Shutting Cause & Corrective Duration Down LER System Component Action to No. Date Type 1 (Hours) Reason: Reactor No. Code' Code' Prevent Recurrence There were no shutdowns or power reductions of greater than 20% this month.

2 3 2

F-Forced Reason: Method: 'IEEE Std 805-1984 S-Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Scram. 'IEEE Std 803A-1983 C-Refueling 3-Automatic Scram.

D-Regulatory Restriction 4-Continuation from E-Operator Training & License Examination Previous Month F-Administrative 5-Reduction in the Average G-Operational Error (Explain) Daily Power Level of more H-Other (Explain) than 20% from the previous day 6-Other (Explain) 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO: 50-362 UNIT NAME: SONGS - 3 DATE: Januarv 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707 Date Time Event December 01 0000 Unit is in Mode 1, reactor power 99.4%, 1133 Mwe.

December 21 0117 Commenced downpower to 1010 Mwe to perform HP turbine stop and governor valve testing.

0505 Completed HP turbine stop and governor valve testing, turbine load restored to 1131 MWe.

December 31 2400 Unit is in Mode 1, reactor power 99%, 1129 MWe.

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.a 9 REFUELING INFORMATION DOCKET NO: 50-362 UNIT NAME: SONGS - 3 DATE: Januarv 15. 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707 l

MONTH: December 1996

1. Scheduled date for next refueling shutdown.

i Cycle 9 refueling outage is forecast for April 5, 1997. ,

2. Scheduled date for restart following refueling. l Restart from Cycle 9 refueling outage is forecast for June 14, 1997.
3. Will refueling or resumption of operation thereafter require a l Technical Specification change or other license amendment?

4 Yes What will these be?

1. Revision to test interval of load sequencing relays.
2. Appendix J Option B Technical Specification. ]

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4. Scheduled date for submitting proposed licensing action and supporting l information. l l
1. PCN 454 Load Sequencing Relays submitted 5/29/96 l
2. PCN 361 Appendix J Option B Submitted 5/30/96
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.

Incr3ase in fuel enrichment.

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REFUELING INFORMATION DOCKET NO: 50-362 UNIT NAME: SONGS -3 DATE: January 15, 1997 COMPLETED BY: C. E. Williams TELEPHONE: (714) 368-6707

6. The number of fuel assemblies.

A. In the core. 217 B. In the spent fuel storage pool. 818 Total Fuel Assemblies 700 Unit 3 Scent Fuel Assemblies 0 Unit 3 New Fuel Assemblies 118 Unit 1 Scent Fuel Assemblies C. In the New Fuel Storage Racks Zero Unit 3 New Fuel Assemblies

7. Licensed spent fuel storage capacity. 1542 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.

May 2006 (full off-load capability assuming 22 month fuel cycles for all future cycles, and Unit 1 fuel remains where it is currently located).

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