ML20113F328

Monthly Operating Rept for Nov 1984

ML20113F328
Person / Time
Site:	Diablo Canyon
Issue date:	11/30/1984
From:	Sisk D, Thornberry R PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8501230606
Download: ML20113F328 (5)

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-w OPERATING DATA REPORT-DOCKET llo. 50-275

.PATE 12/05/84 COMPLETED BY -D.P. Sisk TELEPHONE (805)595-7351 OPERATING STATUS

'1. Unit Name: Diablo Canyon Unit 1

2. Reporting Period: November 1984 Full power operating license

3. : Licensed Thermal Power (MWt): 3338 issued November 2, 1984.

4. Nameplate Rating (Gross MWe): 1170

5. Design Electrical Rating (Net MWe): 1084

6. Maximum Dependable Capacity (Gross MWe): 1134

7. Maximum Dependable Capacity (Net MWe): 1084

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

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 720 8040 8040

12. Number Of Hours Reactor Was Critical 347 708 708

13. Reactor Reserve Shutdown Hours 0 0 0

. 14. Hours Genera tor On-Line 190 190 190

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 174,938 189,994 -189,994

17. Gross Electrical Energy Generated (MWH) 40,900 40,900 40,900

18. Net Electrical Energy Generated (MWH) 16,027 16,027* 16,027*

, 19. Unit Service Factor N/A**

i 20. Unit Availability Factor N/A**

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

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

i 23. Unit Forced Outage Rate N/A**

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

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

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

Forecast Achieved INITIAL CRITICALITY' - April 1984 April 1984 l INITIAL ELECTRICITY November 1984 Nov. 1984-l COMMERCIAL OPERATION January. 1985

• Net Electrical Energy Generated - Year-to-Date and Cumulative totals start on first of November,'1984 (Month Full Power license issued).

l' l ** These sections -not applicable until commencement of commercial operation.

8501230606 841130 K 05000 j DC0044 4 -[DRA

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AVERAGE DAILY UNIT POWER LEVEL DGCKET NO. 50-275 UNIT Diablo Canyon Unit 1 DATE 12/05/84 COMPLETED BY D.P. Sisk TELEPHONE (805)S95-7351

' MONTH ' November 1984 DAY  : AVERAGE DAILY FWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NE-NET) (lWE-NET) 1 -13 17 -24 2 -13 18 -23 3 -19 19 -25 4 -32 20 -36 5 -35 21 +57 6 -35 22 +249 7 -36 23 +244 8 -36 24 +155 9 -41 25 -40 10 -32 26 +65 11 +23' 27 +197 12- +21 28 +153 13 -29 29 -42 14 -21 30 +99

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16 -37' INSTRUCTIONS

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.-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.

DC0044 5 e -

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-275

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UNIT NAME Diablo Canyon Unit 1 DATE 12/05/84 COMPLETED BY D.P. SISK .

TELEPHONE (805)S95-7351-REPORT MONTH NOVEMBER 1984 Method of Licensee Cause & Corrective Duration Shutting Event Systen Component Action to No. Date Type l (Hours) Reason 2 Down Reactor 3 Report # Code" Codes. Prevent' Recurrence 1 11-13 S N/A B 1 N/A N/A N/A N/A-2 11-16 S N/A B 1 N/A N/A N/A N/A 3 11-24 F 44 -A+G 3 84-030 IT/JI PT Trip caused by loose connection on turbine control system together with incorrect wiring connection on steam dumps logic; circuit. Connection problems corrected. Erroneous wiring diagram that caused incorrect connections has been corrected.

4 11-28 F 36 A+G 3 84-031 JB FC0 Controller to flow control valve failed. Controller replaced. Operator failed to maintain adequate watch on SG water level. Event reviewed with operators involved.

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 4

D-Regulatory Restriction 4-Other (Explain) (NUREG-0161)

E-Operator Training & License Examination F-Administrative 5 G-Operational Error _(Explain) Exhibit I - Same Source H-Other(Explain)

DC0044 6

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PACIFIC OAS AND E LE C T RIC COMPANY pgg , DIABLO CANYON POWER PLANT i PO. Box 56 Avila Beach, California 93424 - (805) 595-7351 R.C. THORNBERRY PLANT MANAGER December 5, 1984 Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 RE: Docket No. 50-275 License No. DPR-80 Monthly Operating Report for November, 1984 Gentlemen:

Enclosed are the completed monthly operating report forms for Diablo Canyon Unit 1 for November 1984. This report is submitted in.accordance with Section 6.9.1.10 of our Technical Specifications.

Sincerely, V07 R. C. THORNBERRY RCT:lah Enclosures cc Mr. John B. Martin, Regional Administrator Region V - USNRC 1

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DC0044 1

. MONTHLY NARRATIVE REPORT

..- . 0F OPERATION AND MAJOR MAINTENANCE EXPERIENCE This report describes the operating and major maintenance experience for the month of November,1984. This narrative report was prepared by the plant staff Land.is submitted in accordance with Section 6.9.1.10 of the Plant Technical Specifications.

The . Full Power Operating License for Unit I was issued November 2,1984.

Initial electrical generation occurred on November 11, 1984.

On November 24, 1984, Unit 1 experienced a Turbine trip and associated Reactor trip, and a Safety Injection.

On November 28, 1984, Unit 1 experienced a Turbine trip and associated Reactor trip.

There is no major safety-related maintenance to report.

On November 4,1984, a Power Operated Relief Valve was used to~ mitigate a

, Reactor Coolant System pressure increase.

No challenges to the safety valves have been made.

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

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