ML17325B124

Monthly Operating Rept for Nov 1988 for DC Cook Nuclear Plant Unit 1

ML17325B124
Person / Time
Site:	Cook
Issue date:	11/30/1988
From:	Giles H, Will Smith, Stephens T INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8901230086
Download: ML17325B124 (8)

Text

ACCKlZRATED DEMONSTR TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:8901230086 DOC.DATE: 88/11/30 NOTARIZED: NO DOCKET FACIL:50-315 Donald C.

Cook Nuclear Power Plant, Unit 1, Indiana 05000315 AUTH.NAME AUTHOR AFFXLIATION STEPHENS,T.R.

Indiana Michigan Power Co.

(formerly Indiana

& Michigan Ele GILES,H.

Indiana Michigan Power Co. (formerly Indiana

& Michigan Ele SMITH,W.G.

Indiana Michigan Power Co. (formerly,Indiana

& Michigan Ele-RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthly operating rept for Nov 1988 for DC Cook nuclear Plant Unit 1.W/881208 ltr.

DXSTRIBUTION CODE:

IE24D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Monthly Operating Report (per Tech Specs)

NOTES:

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DOCKET NO.

UNIT NAME DATE COMPLETED BY TELEPHONE PAGE 50-315 D.

C.

Cook - Unit Uo.

1 December 8, 1988 T.

R. Ste hens 616 465-5901 1 ot'1 MAJOR SAFETY<<RELATED MAINTENANCE NOVEMBER 1988 1-I&C-1 Replaced suspect solid state protection system universal logic card (A215) and safeguard output card (A517) with new cards.

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50-315 D. C.

Cook Unit 1

T, R. Stephens (616) 465-5901 December 8, 1988 1 of 1

HIGHLIGHTS:

MONTHLY OPERATING ACTIVITIES -

NOVEMBER 1988 For the period of Nov. 01 through Nov. 22, the Unit remained at the 90%

admini strati ve power 1 imit.

At 2303 hours0.0267 days <br />0.64 hours <br />0.00381 weeks <br />8.762915e-4 months <br /> on November 23, the Unit tripped.

The trip is thought to have been caused by a spurious underfrequency signal generated in the Solid State Protection System (SSPS).

An "Unusual Event" was declared because all four reactor coolant pumps tripped with the Unit (expected with an underfrequency trip signai).

The "Unusual Event" was exited 2-1/2 hours later following the successful restart of two reactor coolant pumps.

The generato~

was paralleled at 1931 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.347455e-4 months <br />.

The administrative 9OX power limit was attained at 1242 hours0.0144 days <br />0.345 hours <br />0.00205 weeks <br />4.72581e-4 months <br /> on November 27th.

The reporting period ended with the unit operating at the 90$ administrative power limit.

Gross electrical generation for the month of November, 1988 was 610,880 WH.

DETAILS 11-05-88 0100 Steam was removed from the Moisture Separator Reheaters (MSRs) due to excessive leakage on the right MSR.

The MSR will ~emain out of service until the refueling outage.

11-23-88 2303 Reactor tripped due to spurious underfrequency-RCP-Buses signal

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2320 An "Unusual Event" was declared due to the tripping of all four reactor coolant

pumps,

.11-24-88 0154 The "Unusual Event" was exited folIowing the restart of two reactor coolant pumps.

11-25-88 0222 The reactor was taken critical.

1230 Reactor entered Mode 1; 1931 Generator paralleled to the system.

11-26-88 1345 Stopped power ascension at 48% for chemistry cleanup.

11-27-88 0010 Commenced power ascension to 905.

1242 Reactor power reached 90%,

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OPERATING DATA REPORT DOCKET NO.

50"315 DATE 01-Dec-88 COMPLETED BY H. Giles TELEPHONE 626-465"5901 OPERATING STATUS

1. Unit Name D.

C.

Cook Unit,

2. Reporting Period NOV 88

',notes

3. Licensed Thermal Power (MÃt) 3250 4,

Name Plate Rating (Gross MWe) 1152

5. Design Electrical Rating (Net MMe) 1030 6.

Maximum Dependable Capacity (GROSS MNe) 1056 7.

Maximum Dependable Capacity (Net Mge) 1020

8. If Changes Occur in Capacity Ratings (Items no.

3 through 7) Since Last Report Give Reasons 9.

Power Level To Nhich Restricted. If Any (Net MNe) 10.

Reasons For Restrictions.

Xf Any-This Mo.

Yr. to Date Cumm.

11.

Hours in Reporting Period 720.0 8040.0 121992.0 12.

No. of Hrs, Reactor Has Critical 692.4 7689.8 89527.7

13. Reactor Reserve Shutdown Hours 0.0 0.0 463

~ 0 14.

Hours Generator on Line 675.5 7637.4 87874.9

15. Unit Reserve Shutdown Hours 0.0 0.0

321, 0 16, Gross Therm. Energy Gen.

(NHH) 1922271 22023663 255022661 17.

Gross Elect.

Energy Gen.

(MWH) 610880 7076560 83221230

18. Net Elect. Energy Gen.

(HHH) 586057 6797836 80028834

19. Unit Service Factor 93.8 95.0 73 '

20. Unit Availability Factor 93.8 95.0 73.3

21. Unit Capacity Factor (MDC Net)

79. 8

82. 9 65 '

22. Unit, Capacity Factor (DER Net}

79.0 82.1 63.4

23. Unit Forced Outage Rate 6.2 4.6 8

~ 0 24.

Shutdowns Scheduled ovex Next Six Months (Type, Date,and Duration}:

<<II i I

I I~II I 11 ~Ii t11 I 11 I I II' I 'I,

1981,

25. If Shut Down At End of Report, Period, Estimated Date of Staxtup'-'6.

Units in Test St atus (Prior t o Commercial Operation):

Porcast INITIALCRITICALITY INITIALELECTRICITY COMMERClAL OPERATION Achieved E

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IA XXXXXX A reactor trip occurred due to a spurious underfrequency-RCP-Buses signal from the solid state protec-tion system (SSPS).

All four reactor coolant. pumps tripped from this spur ious underfrequency signai, The exact cause of the spurious signal could not be determined.

The suspected cause was an intermittent failure of a card in the SSPS.

The cards that could have caused the spurious signal were replaced.

The unit vlas returned to service on 11-25-88 and reached 90K power (administrative power limit) on 11-27-88.

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t AVERAGE DAILY POWER LEVEL (MWe-Net)

DOCKE'F NO.

50-315 UNIT ONE DATE

)1-Dec-88

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i)iles TELEPHONE 616-465-5901 DAY 2

3 4

5 6

7 8

9 10ll 12 13 14 15 16 MONTH AVERAGE DAILY POWER f EVEL 906 904 906 903 891 893 897 895 898 898 897 897 896 897 896 898 NOV 88 DAY 17 18 19 20 21 22 23 24 25 26 27 28 29 30 AVERAGE DAILY

, POWER LEVEL 896 894 897 898 896 897 860

'0 30 331 75?

897 899 899

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NY SG:60 68 't'0 'to indiana Michigan Power Company Co'ok Iluc!ear Plant One Cook Place

. 8ridgman, 1'i11 49106

"'~6 465 5'905 U.S. Nuclear Regulatory Commission Attn; Document Control Desk Washington, D.C, 20555 December 8, 1988 vsnsaHa Nf CHILEAN SC'WEQ Gentlemen:

I Pursuant to the requirements of Donald C.

Cook Nuclear P1ant Unit 1 Technical Specification 6.9.1.10, the attached Monthly Operating Report-forthe-month of November-1988 is submitted.

Sincerely, H.

W.

G. Smith, Jr.

Plant Manager WGS/jd cc:

D. H. Williams, Jr.

M. P. Alexich C. A. Erikson J. J.

Markowsky D. A.'imberlake

8. L. Jorgensen P. A. Barrett J.

R.

Sampson E. A. Smarrella Dolly Krieger T.

R. Stephens D. S. Climer R.

C.

Gal len D.

W. Paul D,

R.

Hahn S. L. Hall INPO Records Center ANI Nuclear Engineering Department NRC Region III EPRI--Nuclear Safety Analysis Center

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