ML20236R854

Monthly Operating Repts for Oct 1987

ML20236R854
Person / Time
Site:	Diablo Canyon
Issue date:	10/31/1987
From:	Bedesem P, Townsend J PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8711240067
Download: ML20236R854 (9)

Text

_ _ _ _ _

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OPERATING DATA REPORT

)

DOCKET NO.

50-275 DATE 11/02/87 COMPLETED BY P. Bedesem TELEPHONE (805)S95-4097 l

OPERATING STATUS

-1.

Unit Name:.

Diablo Canyon Unit 1 2.

Reporting Period: October 1987

~3.

Licensed Thermal Power (Wt):

3338

'4.

Nameplate _ Rating (Gross W e):.

1137 5.

Design Electrical Rating (Net We):

1086

6. ~ Maximum Dependable Capacity.(Gross MWe):

1124

'7..

Maximum Dependable Capacity (Net MWe):

1073.4 8.

If. Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report.

I Give Reasons:

1 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 745.0 7296.0 21790.3

12. ' Number Of Hours Reactor Was Critical 745.0 7099.9 18365.5

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14.

Hours Generator On-Line 745.0 7025.3 17990.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (WH) 2308588 21257367 54799436

.17.

Gross Electrical Energy Generated (MWH 781400 7319800 18453532 l

18. Net Electrical Energy Generated (MWH) )

744452 6959015 17486826

19. Unit-Service Factor 100.0 96.3 82.6

20. -Unit Availability Factor 100.0 96.3 82.6

-21..

Unit Capacity Factor (Using W C Net) 93.1 88.9 74.8 22.- Unit Capacity Factor (Using DER Net) 92.0 87.8 73.9

23. Unit Forced Outage Rate 0.0 3.7 4.6 1

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

l Refueling Outage. March 4, 1988. 60 days

. 2 5. - If Shut Down At End Of Report Period, Est. Date of Startup:

N/A l

l l

l 1

8711240067 871031 PDR ADOCK 05000275 R

PDR l

Y (f M0.RPT

l OPERATING DATA REPORT DOCKET NO.

50-323 DATE 11/02/87 COMPLETED BY P. Bedesem TELEPHONE (805)S95-4097

' OPERATING STATUS 1.: Unit Name:

Diablo Canyon Unit 2 2.

Reporting Period: October 1987-3.

Licensed Thermal Power (Wt):

3411 7 4.. Nameplate Rating '(Gross We):

1164

5.

Design Electrical Rating (Net W e):

1119

16.. Maximum Dependable Capacity (Gross MWe):

1130 7.

Maximum Dependable Captcity (Net MWe):

tdt 9 8.

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

N/A o

-9.

Power Level _To Which Restricted, If Any (Net MWe):

N/A 10.1 Reasons For Restrictions, If Any:

None This Month Yr-to-Date Cumulative

/11.. Hours In Reporting Period 745.0 7296.0 14349.0

.12.

Number Of Hours Reactor Was Critical 745.0 4745.9 11602.9

13. Reactor Reserve Shutdown Hours' O.0 0.0 0.0 14.- Hours. Generator On-Line' 745.0 4448.4 11178.7

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (W H) 2467954 13945622 35026341 l

17. ' Gross Electrical Energy Generated (MWH) 819600 4667700 11580199

18. Net Electrical Energy Generated (MWH) 779622 4382097 10930371 l

19. Unit Service Factor 100.0 61.0 77.9 l

-20.

Unit Availability Factor 100.0 61.0 77.9

21. Unit Capacity Factor (Using M9C Net) 97.0 55.7, 70.1 l

22.- Unit Capacity Factor (Using DER Net) 93.5 53.7 68.1

23. Unit Forced Outage Rate-0.0 8.4 6.1

.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 Startup:

N/A MO.RPT

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't AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-275-UNIT Diablo Canyon Unit 1 DATE 11/03/87 COMPLETED BY P. Bedesem TELEPHONE (805)S95-4097

MONTH' ' October 1987 1

DAY

' AVERAGE DAILY POWER LEVEL DAY

-AVERAGE DAILY POWER LEVEL' E,

(We-Net)

(We-Net) n f

'1 108'3-17 563

'2 1083,

18 1071 3

1075 19 938 4

1061 20 873 5

1074-21 1079

[

6-1066-22 1079 E

.7 1067 23 1%9 8

1067.-

24 1053 9

1076 25 1113 W

10 940

'26 1070 11 684 27 1070 12 1058 28 1066 13-935 29 1070 14 673 30 1066 15 1037 31 952 h

-16 909 INSTRUCTIONS fi'

. On this format. list the average daily unit power level in We-Net for each day in the p

.. reporting month.- Compute to the nearest whole megawatt.

The'. Average Monthly Electrical Power Level for October, 1987 = 1000.61 We-Net.

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i DOCKET NO.

50-323 UNIT Diablo Canyon Unit 2 DATE 11/02/87 COMPLETED BY' P.=8edesen.

TELEPHONE-(805)S95-4097 t

MONTH 7 October 1987-

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AVERAGE DAILY POWER LEVEL.

DAY AVERAGE DAILY POWER LEVEL (We-Net);

(We-Net) m 1

1088 17 1050

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1063' 19 1080 4

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1059 28 1084 13-1079 29 1075

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1076' 30 1059 J '1080 31 1063 e

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'1080' INSTRUCTIONS.

T0n this' format ' list the average daily unit power level in We-Net for each day in the

.,-reporting month. : Compute to the nearest whole megawatt.

~ $The. Average Monthly Electrical Power Level for October, 1987 = 1047.88 W e-Net.

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-MONTHLY. NARRATIVE REPORT i

0F OPERATION AND MAJOR MAINTENANCE EXPERIENCE

, r;;

This~ report describes the operating'and major maintenance experience I

'for-the, month.of 0ctober,'1987. This narrative report was prepared by lthe plant staff and.is. submitted in accordance with Section 6.9.1.7 of

- the' Units 1 and 2: Technical: Specifications.

?

Narrative.of: Daily Significant Plant-Events j

y.

l0n October 1, 1987.

Unit 1 and Unit 2 started the month at 100% '

power.

o

.An Unusual Event was declared regarding

On October 6 1987 commencement of-a-Unit 1 shutdown required by

.entryintoTechnicalSpecification(T.S.)-

+

3.0.3 when 4. shutdown control rods 1nserted

.oneastep were not'. fully. withdrawn within one 4

hour as required by T.S. 3.1.3.5.'

The 4 w

control rods were withdrawn after-replacing

. blown fuses and T.S. 3.0.3 was' exited.

N.

On October.10, 1987:

Unit 1 decreased power to 40% to clean condenser waterboxes.

4 0n.0ctober 11,.1987 Unit 1 returned to full power after cleaning condenser waterboxes.

On 0ctober 12', 1987L A 10CFR50.72(b)(2)(ii).Non-Emergency 4 Hour

' report'was made-regarding an actuation of'the

' Unit 2 fuel; handling building ventilation

iodine removal mode.

'On: October-13,:1987 Unit'1 decreased power to 60% to clean n

_a' condenser waterboxes.

Er

.0nf0ctober 14, 1987 Unit 1. returned to full power after cleaning condenser waterboxes.

On October. 15, 1987

. Unit.1 decreased power to 30% to perform

-demusseling. Demusseling.was not performed due to a ruptured flange on-the' common screen wash header. Unit I returned to full power.

' 10n' October 16, 1987 Unit 1-decreased power to 38% to perform demusseling.

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0n 0ctober 17,'1987 Unit I returned to full power after performing demusseling.

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'On 0ctober 19, 1987 Unit 1 decreased power to 47% to clean 3

conserser waterboxes.

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nrc_rpt/oct.rpt

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0n October'20, 1987' Unit l' returned to full power.

On'0ctober 22,l1987 A10CFR50.72(b)(2)(ii)Non-Emergency 4 Hour e

report.was.made:regarding an actuation of the

. Unit 1 containment ventilation isolation system (CVI).

.On 0ctober 25, 1987' LUnit 2 decreased power to 37% to perform demusseling and then returned to full power.

On October-26, 1987-LA 10CFR50.72(b)(2)(ii) Non-Emergency 4 Hour report was made regarding an actuation of the

-Unit 1 fuel'handl.ing building ventilation

. iodine removal mode.

~0n October 31, 1987 Unit 1 reduced power to 52% to clean l

condenser waterboxes.

Unit 1 ended the month at 52% power.

Unit 12 ended the month at 100%

power.

l Summary of' Plant Operating Characteristics, Power s-Reductions and Unit Shutdowns 1 Unit.1-operated.this month with a unit availability factor of 100% and a unitfcapacity factor of 93.1%. Unit'l decreased power 7 times this month,;once due to an entry into T.S. 3.0.3, 4 times to clean j

' condenser waterboxes and twice for demusseling.

1 1

Unit 2 operated this' month with a unit availability factor of 100% and 1

a uni.t capacity factor of 97%.

Unit 2 decreased power once for l

demusseling..

1

' e _.

~ Summary of Significant-Safety-Related Maintenance m

There was no significant safety-related maintenance for Unit 1.

~

Significant safety-related maintenance for Unit 2 consisted of Linsta11ation of an alternate thermal relief valve on the Unit 2 boron injection tank. The existing leaking thermal relief valve (8852) as gagged.-

A'ctuations of Steam Generator Safety Valves 0

or Pressurizer Power Operated Relief Valves i

No. challenges'to the steam generator safety valves or pressurizer

~

power' operated relief valves were made.

4 I

,nrc_rpt/oct.rpt u

L)

._.________.__________________a

Pacmc Gas and Electric Company Diablo Canyon Power Plant R0. Box 56 -

Avila Beach, CA 93424 805l595-7351

}

' November 13, 1987-

-U.S.~ Nuclear Regulatory Commission

' Attn: Document Control Desk-Washington, DC 20555 RE: Docket No. 50-275 and 50-323 License No. DPR-80 and DPR-82 Monthly Operating Report for October, 1987 Gentleman:.

Enclosed are the completed monthly operating report forms for Diablo I

Canyon Units 1 and 2 for October, 1987.

This report is submitted in accordance With' Section' 6.9.1;7 'of the Units 1 and 2 Technical Specifications.

Sincerely, ohn D.-Townsend Plant. Manager

' JOT:mh Enclosures l

cc Mr. John B. Martin, Regional Administrator Region V - USNRC l

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...-__ii____________