ML20087E732

Monthly Operating Rept for Dec 1991 for Comanche Peak Unit 1 Steam Electric Station

ML20087E732
Person / Time
Site:	Comanche Peak
Issue date:	12/31/1991
From:	William Cahill, Thatcher G, Walker R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-92033, NUDOCS 9201220114
Download: ML20087E732 (5)

Text

.

pfm1prue&%nsp

=

= " "

log # TXX-92033 File # 10010.2 Ref.

1. 10CfR50.36 TUELECTRIC January 15, 1991 William J. Cahllt. Jr.

Gwur Wr imo.knr Director, Office of Resource Management U. S. Nuclear Regulatory Commission Washington, DC 20555

SUBJECT:

COMANCHE PEAK RTEAM ELECTRIC STATI0f4 (CPSES) - UNil 1 DOCKET NO. 50-445 MON 1HLY OPERAllNG REPORT FOR DECEMBER 1991 Gentlemen:

Attached is the Monthly Operat ing Report f or December 1991 prepared and submitted pursuant to Specificat ion 6.9.1.5 of Appendix e (Technical Specifications) to the C6manche Peak Unit 1 Steam E lectric Station Operating License, NPF-87.

Sincerely, wp -.,pAdiLO%

William J. Cahill, Jr.

By:

R.

alker Manager, Nuclear L icensing JLR/grp Attachment c - Mr. R. D. Martin, Region IV Mr. T. Riese, Region IV Resident inspectors, CPSES (2)

Mr. T. A. Bergman, NRR Document Contro! Desk bbhhf0fhh,3 E n Bm N Mn Rw,hm m3 m I

r<

j m

~ 'Attachm:nt to TXX. 92033 Page 1 of 4 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT DOCKET NO-50-445 UNIT:

CPSES 1 DATE:

January 10,1992 COMPLETED BY:

Greg Thatcher TELEPHONE:

817 897 8223 OPERATING STATUS 1.

Reporting Period: DECEMBER 1991 Gross hears in reporting period:

2 14 2.

Currently authorized power level (MWt):

3111 Max. depend. capacity (MWO-Net): 115D

• Design Electrical Rating (MWe Net,.

115D 3.

Power level to which restricted (if any) (MWe-Not):

NOME 4.

Reasons for restriction (if any):

THIS MONTH YRTO DATE CUMULATIVE 5.

Number of hours reactor was critical 581.95 5488.8 8415.2 0

1709.55 1982.45 6.

Reactor reserve shutdown hours 479.92 5343.47 8209.17 7.

Hours generator on line 0

0 0

8.

Unit reserve shutdown hours 1,236,146 17,175,066 25,331,994 9.

Gross thermal energy generated (MWH) 372,677 5,644,998 8,309,998 10, Gross electrical energy generated (MWH)

11. Net electrical energy generated (MWH) 341,751 5,355,050 7,868,564

12. - Reactor Service factor 78.2 62.7 69.3 13.

Reactor availability factor 78.2 82.2 85.7

- 14, Unit service factor 64.5 61.0 67.6 15.'

Unit availability factor 64.5 61.0 67.6 39.9 53,2 56.4 16.

Unit capacity fad 4,r (Using MbC) 39.9 53,2 56.4 17.

Unit capacity fab;or (Ushig Design map

18. _ Unit forced outage rate 6.2 12.6 11.0 t 3.

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

f 20. ;if shutdown at end of report period, estimated date of startup:

21. - Units in test status (prior to commercial operation):

ACHIEVED Commercial Operation 900813 Estimateo

i o

• ' Attachmoht to TXX 92033 Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCKETNO:

50 445 UNIT:

CPSES 1 DATE:

January 10,1992 COMPLETED BY:

Grog Thatcher TELEPFONE:

817 897 8223 MONTH: DECEMBER 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Not)

(MWe Not) 1 0

17 650 2

0 18 753 3

0 19 832 4

0 20 859 5

0 21 1098 6

0 22 931 7

0 23 656 8-0 24 953 9J 0

25 1103 10 0

26

.1059 11 49 27 1102 12 39 28 1103 13 109 29 1101

'14 261 30 1104 15 417 31 1102 16 461

' Attachmont to TXX.' 92033 Pago 3 of a SUMM ARY CF OPERATING EXPERIENCE FOR THE MONTH DOCKETfD.

50 445 UNIT:

CPSES 1 DATE:

January 10,1992 COMPLETED BY:

GroO Thatcher TELEPHONE:

817-897 8223 MONTH: DECEMSER 1991 12/1 0000 Unit started month in MODE 5.

12/3 0134 Entered MODE 4.

12/4 1333 Entered MODE 3.

12/7 1803 Entered MODE 2.

12/10 1632 Entered MODE 1.

12/10 1720 Manually tripped the Turbine due to EHC fluid oscillations, Unit entered MODE 2.

12/11

-0536 Entored MODE 1.

12/11 1948 Manually tripp3d the turtWne to repair manualleodwater valve, Unit entered MODE 2.

12/12-1301 Entored MODE 1.

12/22 1448 Automatic Turbine Runback to 00% power initiated by troubleshooting a heator drain valve.

12/31 2400 Unit ended nunth in MODE 1.

x..

7-

~ j

.o Attachment to TXX 7 92033

. Page 4 cf 4 L

'i UNIT SHUTDOWNS AND POWER REDUCTIONS '

.3 D00(ETNO-50-445.

UNIT:

.'CPSES 1 DATE:

January 10,1992 -

COMPLETED BY:

. Greg Thatcher '

TEEPHONE-817-897-8223 REPORT MONTH DECEMBER 1991 f

METHODOF If TYPE SHUTTINGDOWN Ff0RCED DURATION THEEACTCROR N1 DATE S: SCHEDULED fHOURS)

NAS24 REDUCNG POWER CORRECTNEACTK)NSODNNENTS 10 911201-S 232.62 C

1 First Refueiing Outage '

11 911210 F

12.68 A

1 Turbine shutdown required to repair HP control vane oscaations.

12 911211 F

18.78-A 1

Turbene shutdown requ. red to repair Manual FW valve Disc / stem separation.

13-911222 F

35 5 G

4 Automabc Turbine Runback occoned while troub5 shooting a heater drain valve I

-1 t

I 1)

NASON

2) 5.GHOD A-EOU!PMENT FAILURE (EXPLAIN).

E. OPERATORTRAINNG AND UCENSE EXAM:NATK)N 1: MANUAL

'i B: MAINT OR TEST F: ADMINISTRATIVE 2-MANUALSCRAM C REFUEUNG; O OPERATIONALERROR(EXPLAIN) 3: AUTOMATICSCRNA 1

D: REGULATORYEESTRICTION H: OTHER (EXPLAIN) 4: OTHER (EXPLAIN) -

l

?

t y

w -~

s-

.,U

- ~,

r e.

a r

,,m

'e i