ML20138R832

Monthly Operating Repts for Aug 1985

ML20138R832
Person / Time
Site:	Diablo Canyon
Issue date:	08/31/1985
From:	Kanick B, Thornberry R PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8511190091
Download: ML20138R832 (8)

Text

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OPERATING DATA REPORT DOCKET NO. 50-275 DATE 09/04/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 OPERATING STATUS

1. Unit Name: Diablo Canyon Unit 1

2. Reporting Period: August 1985

3. Licensed Thermal Power (MWt): 3338

4. Nameplate Rating (Gross MWe): 1137

5. Design Electrical Rating (Net MWe): 1086

6. Maximum Dependable Capacity (Gross MWe; 1125**

7. Maximum Dependable Capacity (Net MWe): 1073**

8. If Changes Occur in Capacity Rat %gs (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A

9. Power Level To Which Restricted, If Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: None This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 744.0 2805.3 2805.3*

12. Number Of Hours Reactor Was Critical 725.0 2746.3 2746.3*

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 724.0 2734.5 2734.5*

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2218873 8573728 8573728

17. Gross Electrical Energy Generated (MWH) 730200 2866932 2866932

18. Net Electrical Energy Generated (MWH) 692972 2725538 2725538

19. Unit Service Factor 97.3 97.5 97.5

20. Unit Availability Factor 97.3 97.5 97.5

21. Unit Capacity Factor (Using MDC Net) 86.8 90.5 90.5

22. Unit Capacity Factor (Using DER Net) 85.8 89.5 89.5

23. Unit Forced Outage Rate 2.7 2.5 2.5

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

25. If Shut Down At End Of Report Period, Est. Date of Start-up: N/A

26. Units In Test Status (Prior to Commercial Operation): N/A

• As of corsnercial operation on 5-7-85 at 0243.

These values are predictions - actual values are to be determined by operating experience during the first year of commercial operation.

t 8511190091 85083125 DR ADOCK O  % gL L. -

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OPERATING DATA REPORT DOCKET N0. 50-323 DATE 09/04/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 OPERATING STATUS

1. Unit Name: Diablo Canyon Unit 2

2. Reporting Period: August 1985

3. Licensed Thermal Power (MWt): 3411

4. Nameplate Rating (Gross MWe): 1164

5. Design Electrical Rating (Net MWe): 1119

6. Maximum Dependable Capacity (Gross MWe): 1145***

7. Maximum Dependable Capacity (Net MWe): 1093***

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A

9. Power Level To Which Restricted, If Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: None This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 744.0 2952* 2952*

12. Number Of Hours Reactor Was Critical 206.3 206.3 206.3*

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 0.0 0.0 0.0*

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 5047 5047 5047*

17. Gross Electrical Energy Generated (MWH) 0 0 0*

18. Net Electrical Energy Generated (MWH) - 28,648 - 50,410 - 50,410*

19. Unit Service Factor N/A**

20. Unit Availability Factor N/A**

21. Unit Capacity Factor (Using MDC Net) N/A**

22. Unit Capacity Factor (Using DER Net) N/A**

23. Unit Forced Outage Rate N/A**

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

N/A

25. If Shut Down At End Of Report Period, Est. Date of Start-up: October, 1985

26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY July 1985 August 1985 INITIAL ELECTRICITY October 1985 COMMERCIAL OPERATION November 1985 Cumulative totals started on the April 26, 1985 (Date of effectiveness of Low Power License).

These sections not applicable until commencement of commercial operation.

• • • These values are predictions - actual values are to be determined by operating experience during the first year of commercial operation.

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r-AVERAGE DAILY UNIT POWER LEVEL DOCKET N0. 50-275 UNIT Diablo Canyon Unit 1 DATE 09/04/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 MONTH August 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (lHE-NET) (NE-NET) 1 1065 17 1058 2 1068 18 1049 3 504 19 1058 4 638 20 1062 5 889 21 1056 6 990 22 1052 7 1066 23 1056 8 1070 24 494 9 1063 25 623 10 1062 26 1058 11 1057 27 972 12 1066 28 24 13 1066 29 404 14 1070 30 1050 15 1066 31 1058 16 1062 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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AVERAGE DAILY UNITPOWER LEVEL DOCKET NO. 50-323 UNIT Diablo Canyon Unit 2 DATE 09/04/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 MONTH August 1985 i

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NE-NET) (NE-NET) 1 1 -37 17 -38 2 -43 18 -38 3 -47 19 -39 4 -38 20 -39 5 -34 21 -39 6 -37 22 -38 7 -36 23 -39 8 -42 24 -38 I 9 -32 25 -39 10 -37 26 -39 I 11 -33 27 -40 l

12 -37 28 -41 1

13 -38 29 -42 14 -39 30 -39 15 -42 31 -39 16 -34 INSTRUCTIONS

On this format, list the average daily unit power level in MWe-Net for each day in the r porting month. Compute to the nearest whole megawatt.

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7 UNIT SHUTDOWNS AND POWER REDUCTIONS *.'

PAGE 1 0F 1 DOCKET N0. 50-275 ..

UNIT NAME Diablo Cany n Unit 1 .

DATE 09/03/85 .

COMPLETED BY D.P. SI5K REPORT MONTH AUGUST 1985 TELEPHONE (805)595-7351 Licensee Cause & Corrective Duration System Component 2 Methodof Event Action to No. Date Type l (Hours) Reason Shutdown Report # Code Code Prevent Recurrence 1 8/27/85 F 18.6 A 3 85-029 SJ P Main Feed Pump (MFP) 1-2 tripped off the line due to a lose termination on the local manual trip button. The loss of a MFP resulted in a Lo Lo steam generator level reactor trip. The lose termination was tightened and the remaining Unit I and all of the Unit 2 MPFs were checked and found to not have this problem.

2 8/28/85 S 1.4 8 1 NA TA TRB Turbine overspeed test 1 2 3 4 F: Forced Reason: Method: Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Scram. Event Report (LER) File D-Regulatory Restriction 4-Continuation from (NUREG-1022) l E-Operator Training & License Examination previous month.

F-Administrative 5-Power reduction 5 G-Operational Error (Explain) 6,7,8-N/A Exhibit I - Same Source H-Other (Explain) 9-0ther l DC0455 -143-L

' UNIT SHtHDOWS AND POWER EDUCTIONS

RAGE 1 0F 1 DOCKET NO. 50-323 av L

UNIT NAME Diabla Canyon Unit 2 .-

DATE 09/03/85 l

COMPLETED BY D.P. SISK REPORT MONTH AUGUST 1985 TELEPHONE (805)595-/351 Licensee System Component Cause & Corrective Duration Event Action to No. Date Type 7 Reason 2 Methodof Report #

(Hours) Shutdown Code Code Prevent Recurrence ,_

This report is not applicable until initial electrical production l

l l

l I

l s

l 1 2 3 4 l F: Forced Reason: Method: Exhibit G - Instructions l S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data l B-Maintenance or Test 2-Manual Scram. Entry Sheets for Licensee

C-Refueling 3-Automatic Scram. Event Report (LER) File

! D-Regulatory Restriction 4-Continuation from (NUREG-1022) ,

E-Operator Training & License Examination previous month.

F-Administrative 5-Power reduction 5 G-Operational Error (Explain) 6,7,8-N/A Exhibit I - Same Source H-Other (Explain) 9-Other l

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I -

r; PACIFIC OAS AND E LE C T RIC C O M PANY

-p g g , DIABLO CANYON POWER PLANT I PO. Box 56 Avila Beach, Califomia 93424 * (805) 595-7351 R.C. THORNBERRY PLANT MANAGER September 9, 1985 Office of Management Information and Program Control U.S. Nuclear Regulatory Consnission Washington, DC 20555 RE: Docket No. 50-275 and 50-323 License No. DPR-80 and DPR-82 Monthly Operating Report for August, 1985 Gentlemen:

Enclosed are the completed monthly operating report forms for Diablo Canyon Units 1 and 2 for August,1985. This report is submitted in accordance with Section 6.9.1.7 of the Units I and 2 Technical Specifications.

Sincerely, 0f, ROBERT C. TH0 N ERRY RCT:lah Enclosures cc Mr. John B. Martin, Regional Administrator Region V - USNRC DC0044 1

. MONTHLY NARRATIVE REPORT

'. OF OPERATION AND MAJOR MAINTENANCE EXPERIENCE This report describes the operating and major maintenance experience for the month of August, 1985. This narrative report was prepared by the plant staff and is submitted in accordance with Section 6.9.1.7 of the Units 1 and 2 Technical Specifications.

On August 4, 1985 An Unusual Event was declared due to earthquake felt within site boundary On August 5, 1985 Unit 1 experienced a containment ventilation isolation On August 9, 1985 Unit 2 experienced a containment ventilation isolation On August 11, 1985 Unit 1 experienced a containment ventilation isolation On August 14, 1985 An Unusual Event was declared due to an automobile accident on the access road that involved a fatality On August 15, 1985 Unit 2 experienced a containment ventilation isolation On August 17, 1985 Diesel Generator 1-2 failed a routine surveillance test On August 19, 1985 Unit 2 made initial entry to Mode 2 On August 20, 1985 Unit 2 critical first time On August 24, 1985 Unit I reduced power to 50% for maintenance On August 24, 1985 Unit 2 experienced a reactor trip On August 26, 1985 Unit 2 Full Power License issued, Unit I and Unit 2 combined Technical Specifications issued On August 27, 1985 Unit 1 experienced a reactor trip On August 28, 1985 Diesel Generator 1-1 failed a routine surveillance test On August 29, 1985 Unit 2 experienced a reactor trip and safety injection There were no major safety related maintenance activities performed for Unit 1 in the month of July 1985. For Unit 2, Reactor Coolant Pump 2-4 failed and is out of comission while being rebuilt.

No challenges to the PORVs or Steam Generator Safety Valves have been made.

No changes have been made in the Environmental Radiological Monitoring procedure, the Offsite Dose Calculation procedure, or in any radioactive waste treatment system.

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