ML20132G729

Monthly Operating Repts for Jul 1985

ML20132G729
Person / Time
Site:	Diablo Canyon
Issue date:	07/31/1985
From:	Kanick B, Thornberry R PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8510010612
Download: ML20132G729 (8)

Text

o MONTHLY NARRATIVE REPORT 0F OPERATION AND MAJOR MAINTENANCE EXPERIENCE This report describes the operating and major maintenance experience for the month of July, 1985.

This narrative report was prepared by the plant staff and is submitted in accordance with Section 6.9.1.10 of the Unit 1 Plant Technical Specifications and Section 6.9.1.7 of the Unit 2 Plant Technical Specifications.

On July 1, 1985 Unit 1 experienced a containment ventilation isolation On July 2, 1985 Unit 2 experienced a containment ventilation isolation On July 8, 1985 Exceeded Technical Specification allowed time period for returning fire barrier to operability On July 19, 1985 Unit 2 experienced a safety injection On July 19, 1985 Unit 2 made initial entry to Mode 4 On July 25, 1985 Unit 2 made initial entry to Mode 3 On July 30/31, 1985 Unit I reduced power to 50% to plug leaking condensor tubes On July 31, 1985 Unit 2 experienced a containment ventilation isolation There were no major safety related maintenance activities performed for Unit 1 in the month of July 1985.

For Unit 2, Reactor Coolant Pumps 2-1 and 2-4 have been balanced and Reciprocating Charging Pump 2-3 is out of commission while awaiting parts.

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.

8510010612 850731 PDR ADOCK 05000275 R

PDR

,T C.

'J fI DC0455

-138-j

n,-.

OPERATING DATA REPORT DOCKET NO.

50-275 DATE 08/01/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 OPERATING STATUS' 1.

Unit Name:

Diablo Canyon Unit 1 2.

Reporting Period:

July 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**

1 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 2061.3 2061.3*

12. Number Of Hours Reactor Was Critical 744.0 2021.3 2021.3*

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 i

14. Hours Generator On-Line 744.0 2010.5 2010.5*

15. ' Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2435846 6354855 6354855

17. Gross Electrical Energy Generated (MWH) 819500 2136732 2136732

18. Net Electrical Energy Generated (MWH) 781386 2032566 2032566 19.

Unit Service Factor 100.0 97.5 97.5

20. Unit Availability Factor 100.0 97.5 97.5

21. Unit Capacity Factor (Using MDC Net) 97.9 91.9 91.9

22. Unit Capacity Factor (Using DER Net) 96.7 90.8 90.8 t

23. Unit Forced Outage Rate 0.0 2.5 2.5

~

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:

N/A 26.

Units In Test Status (Prior to Comercial Operation):

Forecast Achieved INITIAL CRITICALITY April 1984 April 1984 INITIAL ELECTRICITY November 1984 Nov.

1984 COMMERCIAL OPERATION April 1985 May 1985 Cumulative totals started at 0243 on May 7,1985.

(Time and date of start of commercial power operation).

)

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

)

DC0455

-139-l

7 OPERATING DATA REPORT I

DOCKET N0.

50-323 DATE 08/01/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 OPERATING STATUS 1.

Unit Name:

Diablo Canyon Unit 2 2.

Reporting Period: July 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.

Maximem 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 2208*

2208*

12. Number Of Hours Reactor Was Critical 0.0 0.0 0.0*

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) 0 0

0*

17. Gross Electrical Energy Generated (MWH) 0 0

0*

18. Net Electrical Energy Generated (MWH)

- 14,253

- 21,762

- 21,762*

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:

August, 1985 26.

Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY July 1985 INITIAL ELECTRICITY August 1985 COMMERCIAL OPERATION November 1985 o

Cumulative totals started on the April 26, 1985 (Date of effectiveness of Low Power License).

oo These sections not applicable until commencement of commercial operation.

These values are predictions - actual values are to be determined by operating 00*

experience during the first year of commercial operation.

DC0455

-140-

AVERAGE DAILY UNIT POWER LEVEL DOCKET N0.

50-275 UNIT Diablo Canyon Unit 1 DATE 08/01/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 MONTH July 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 1077 17 1074 2

1069 18 1078 3

1077 19 1075 4

1061 20 1062 5

1060 21 1062 6

1036 22 1083 7

983 23 1062 8

1075 24 1066 9

1079 25 1068 10 1078 26 1069 11 1075 27 1069 12 1075 28 1039 13 924 29 1069 14 961 30 909 15 1078 31 991 16 1075 l

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.

DC0455

-141-

AVERAGE DAILY UNIT POWER LEVEL DOCKET N0.

50-323 UNIT Diablo Canyon Unit 2 DATE 08/01/85 COMPLETED BY Bob Kanick TELEPHONE (805)595-7351 MONTH July 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1

-5 17

-4 2

-5 18

-28 3

-14 19

-28 4

-32 20

-28 5

-2 21

-28 6

-4 22

-28 7

-8 23

-28 8

-1 24

-28 9

-9 25

-28 10

-15 26

-28 11

-16 27

-38 12

-12 28

-37 13

-8 29

-36 14

-5 30

-34 15

-10 31

-42 16

-7 TNSTRUCTIONS 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.

DC0455

-142-

\\

l UNIT SHUTDOWNS AND POWER REDUCTIONS l

Page 1 of 1 DOCKET N0.

50-275 UNIT NAME Diablo Canyon Unit 1 DATE 08/01/85 COMPLETED BY D.P. SISK REPORT MONTH JULY 1985 TELEPHONE (805)595-/351 Licensee Cause & Corrective Duration System Component y

2 Methodof Event Action to No.

Date Type (Hours)

Reason Shutdown Report #

Code Code Prevent Recurrence-NONE I

I l

l 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)

E-Operator Training & License Examination previous month.

F-Administrative 5-Power reduction 5

G-0perational Error (Explain) 6,7,8-N/A Exhibit I - Same Source F-Other (Explain) 9-Other DC0455

-143-

r

~ --

UNIT SHUTDOWNS AND POWER REDUCTIONS Page 1 of I DOCKET NO.

50-323 UNIT NAME Diablo Canyon Unit 2

~'.

DATE 08/01/85 COMPLETED BY D.P. SISK REPORT MONTH JULY 1985 TELEPHONE (805)595-7351 Licensee Cause & Corrective Duration System Component l

2 Methodof Event Actici. to 4

5 No.

Date Type (Hours)

Reason Shutdown P. aport #

Code Code Prevent hecurrence This report is not applicable until initial electrical production 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)

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 DC0455

-144-

E bi QCIFIC GAS AND ELECTR,IC C O M PANY o Aik6 EANr6N ib*W PLANT

~P MOl Box b6 Avita Besch.'Cahfomia 93424 - (805) 595-7351 R.C. THORNBERRY PLANT hAANAGER August 2, 1985 1

Office of Management Information 4

and Program Control y

U.S. Nuclear Regulatory Comission i

Washington, DC 20555 1

RE:

Docket No. 50-275 and 50-323 License No. DPR-80 and DPR-81 3

Monthly Operating Report for July,1985 Gentlemen:

Enclosed are the completed monthly operating report forms for Diablo Canyon Units 1 and 2 for July,1985. This report is submitted in accordance with Secticn 6.9.1.10 of our Unit 1 Technical Specifications and Section 6.9.1.7 of our Unit 2 Technical Specifications.

I Sincerely,

,w 4

i R. C. THORNBERRY RCT:lah Enclosures cc Mr. John B. Martin, Regional. Administrator Region V - USNRC 4

l i

j DC0044 1

..-.