ML20077L372

Monthly Operating Rept for May 1991 for CPSES Unit 1

ML20077L372
Person / Time
Site:	Comanche Peak
Issue date:	05/31/1991
From:	William Cahill, Thatcher G TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-91218, NUDOCS 9108120194
Download: ML20077L372 (5)

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Log # TXX-91218 File # 10010.2 Z

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1. 10CFR50.36 1UELECTRIC June 14, 1991 William J. Cahllt, Jr, Exenan, Ikr /trasdent Director. Office of Resource Hanagement U. S. Nuclear Regulatory Commission Washington, DC 20555

SUBJECT:

C0HANCHE PEAK STEAM ELECTRIC STATION (CPSES) - UNI'. 1 DOCKET NO 50-445 MONTHLY OPERATING REPORT FOR MAY 1991 Gentlemen:

Attached is the Monthly Operating Report for May 1991 prepared and submitted pursuant to Specification 6.9.1.5 of Appendix A (Technical Specifications) to the Comanche Peak Unit 1 Steam Electric Station Operating License NPF 87.

Sincerely.

Y

.tif f b h, William J Cahill, Jr.

By:

M'l 4

Roger D." Walker HantJer of Nuclear Licensing JLR/grp Attachment c - Mr. R. D. Hartin, Region IV Resident Inspectors CPSFS (2)

Mr. J. W. Clifford, NRR 7

9106120194 910531 bR ADOCK0500g,*

y 400 North Otise Street LB, 81 Dallas, Texas 75201

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. ' Attachment to TXX. 91218 Pa'ge 1 cf 4'.

COMANCHE PEAK STEAM ELECTRIC STATICN, UNIT 1 NRC MONTHLY OPERATING REPORT

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DOCKEU C 50 445 UNIT:

CPSES 1 DATE:

June 6,1991 COMPLETED BY:

Greg Thatcher TELEPHONE:

817 897 8223 i

i OPERATING STATUS 1.

Reporting Period: MAY 1991 Gross hours in reporting period:

2 14

2.

Currently authorized power level (MWt):

1411 Max, depend. capacity (MWe Net): 115D

• Design Electrical Rating (MWe-Net):-

115D

[

_ 3.

Power level to which restricted (if any) (MWe Net):

NONE 4.

Reasons for restriction (if any):

THIS MONTH YRTODATE CUMULATIVE Number of hours reactor was critical 124.25 1932.45 4858.85

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Reactor reserve shutdown hours 619.75 1690.55 1963.45 106.5 1894.2 4759.9 Hours generator on line 0

0 0

Unit reserve shutdown hours 261,965 W 1,512 14,10a 940 i

9.

Gross thermal energy generated (MWH)

.10.

Gross electricai energy generated (MWH) 81,397 1,988,783 4,653.433 11.

Net electrical energy generated (MWH) 61,416 1,879,121 4,392,635 12.

Reactor Service factor 16.7 53.3 69.4 13.

Reactor availability factor 100 100 97.5 14.

Un!t service factor 14.3 52.3 68 15.

Un;t availability factor 14.3 52.3 68 l

16.

Unit capacity factor'(Using MDC) 7.2 45.1 54.6 7.2 45.1 54.6 17.

Unit capecity factor (Using Design MWe)

.18.

Unit forced outage rate 84.4 27.5-16.8 19.

Shutdowns scheduled over next 6 months (Type, Date, and Duration of each):

a) Refueling, 911005, i.

55 days.

l:

20.

If shutdown at end of report period, estimated date of startup:_

21.

Units in test status (prior to commercial operation):

ACHIEVED CommercialOperation 900813 l-Estimated

Attachment to TXX-91218 Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCXETNO:

50-445 UNIT:

CPSES 1 DATE:

June 6,1991 COMPWTED BY:

Greg Thatcher TEEPHONE:

817-897-8223 MONTH: MAY 1991

[AY AVERAGE DALLY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

37 0

2 0

18 0

3 0

9 0

4-0 20 0

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 28 12 0

28 256 13 0

29 729 14 0

30 1078 15 0

31 1078 16 0

Attachtnent to TXX. 91218 Page 3 of '4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO:

50 445 UNIT:

CPSES 1 DATE:

June 6,1991 COMPLETED BY:

Greg Thatcher TELEPHONE:

817-897 8223 MONTH: MAY 1991 5/1 0000 Unit started rnonth in MODE 5.

5/3 1220 End 42 day planned outage, begin forced outage due to L.P. turbine.

5/22 2210 Entered MODE 4.

5/23 2012 Entered MODE 3.

5/26 1944 Entered MCDE2.

S/27 1231 Entered MODE 1, 5/31 2400 Unit ended rnonth in MODE 1.

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Attachment to TXX-91218.

1.

Page 4 of 4 UNIT SHUTDOWNS AND POWER HEDUCTIONS DOOETNO-50-445 UNIT:

CPSES 1 DATE; June 6,1991 COMPLETEDBY:

Greg Thatcher TELMONE:

817-897-8223 REPORT MONTH ETHODOF TYPE SHUTTING DOWN Ff0RCED DURATON TEFOCTOROR N1-DATE SSCEDULED fHOURS)

ASON REDUCNG POWER CORRECTIVEACTIONSCOlWNENTS 007 910501 S

60 B/F 1

Planned Outage 008 910503 F

577.5 A

1 Forced Outage due to Damage to LP turbine i

i e

i 1)

REASCN

2) METFOD A:. EQUIPMENT FAILURE (EXPLAIN)

E. OPERATORTRAINING AND UCENSE EXAMINATON 1: MANUAL B: MAINTORTEST F: ADMINISTRATIVE 2: MANUALSCRAM C REFUEUNG G OPERATIONALERROR(EXPLAIN).

3: AUTOMATCSCRAM D: REGULATORY RESTRICTON H: OTHER (EXPLAIN) 4: CTHER (EXPLAIN}

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