ML17329A204

Monthly Operating Rept for Sept 1991 for DC Cook Nuclear Plant,Unit 1

ML17329A204
Person / Time
Site:	Cook
Issue date:	09/30/1991
From:	Blind A, Gillett W INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9110160145
Download: ML17329A204 (8)

Text

ACCELERATED DIS 4

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UTION DEMONS TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9110160145 DOC.DATE: 91/09/30 NOTARIZED:

NO DOCKET FACIL:50-315 Donald C.

Cook Nuclear Power Plant, Unit 1, Indiana M

05000315 AUTH.NAME AUTHOR AFFILIATION GILLETT,W.T.

Indiana Michigan Power Co.

(formerly Indiana

& Michigan Ele BLIND,A.A.

Indiana Michigan Power Co.

(formerly Indiana

& Michigan Ele RECIP.NAME RECIPIENT AFFILIATION R

SUBJECT:

Monthly operating rept for Sept 1991 for DC Cook Nuclear Plant, Unit 1.W/911003 ltr.

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR Q ENCL i

SIZE: 7 TITLE: Monthly Operating Report (per Tech Specs)

NOTES D

RECIPIENT ID CODE/NAME PD3-1 LA COLBURN,T.

INTERNAL: AEOD/DOA

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1 EXTERNAL: EG&G BRYCE,J.H NSIC COPIES LTTR ENCL 3

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1 RECIPIENT ID CODE/NAME PD3-1 PD AEOD/DSP/TPAB NRR/DOEA/OEAB RGN3 NRC PDR COPIES LTTR ENCL 1

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NOTE TO ALL"RIDS" RECIPIENTS:

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D PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM P 1-37 (EXT. 20079) TO ELIMINATEYOUR NAMEFROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED:

LTTR 14 ENCL 14

indiana Michigan Power Company Cook Nuclear Plant One Cook Place

~

Bridgrnan, Ml 49106 616 465 5901 October 3, 1991 U.S. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555 Gentlemen:

Pursuant to the requirements of Donald C.

Cook Nuclear Plant Unit 1 Technical Specification 6.9.1.10, the attached Monthly Operating Report for the month of September 1991 is submitted.

Respectfully, Au ~

A.A. Blind Plant Manager Attachment Cf NRC Region III D.R. Hahn R.C. Callen S.

Hamming J.G. Keppler INPO Records Center ANI Nuclear Engineering Department D.H. Williams, Jr.

E.E. Fitzpatrick W.R. Moran J.J.

Markowsky D.A. Timberlake D.W. Paul T.O. Argenta S.H. Steinhart J.L. Leichner J.A. Isom W.T. Gillett E.A. Smarrella J.C. Krieger B.A. Svensson D.F. Krause E.C.

Schimmel

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'PDR

'ADOCK 050003i5

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N.R.C.

OPERATING DATA REPORT DOCKET NO.

50-315 DATE,07-0ct-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 OPERATING STATUS

1. Unit Name D.

C.

Cook Unit 1

2. Reporting Period SEP.91

3. Licensed Thermal Power (MWt) 3250 4.

Name Plate Rating (Gross MWe) 1152

5. Design Electrical Rating (Net MWe).

1020

6. Maximum Dependable Capacity (GROSS MWe) 1056

7. Maximum Dependable Capacity (Net MWe) 1000 notes

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

3 through

7) Since LaSt RepOrt GiVe ReaSOnS See asterics

+

below.

9.

Power Level To Which Restricted. If Any (Net'We) 10.

Reasons For Restrictions. If Any:

11. Hours in Reporting Period 12.

No. of Hrs. Reactor Was Critical

13. Reactor Reserve Shutdown Hours

14. Hours Generator on Line

15. Unit Reserve Shutdown Hours

16. Gross Therm.

Energy Gen.

(MWH)

17. Gross Elect.

Energy Gen.

(MWH)

18. Net Elect.

Energy Gen.

(MWH)

19. Unit Service Factor

20. Unit Availability Factor

21. Unit Capacity Factor (MDC Net)

22. Unit Capacity Factor (DER Net)

23. Unit Forced Outage Rate 24.

Shutdowns Scheduled over Next Six None This Mo.

Yr. to Date 720.0 6551.0 632.6 5545.3 0.0 0.0 621.7 5318.2 0.0 0.0 1879172 16597077 592860 5307830 570115 5112524 86.3

81. 2

86. 3

81. 2 77.6 76.5 77.6 76.1

13. 7 4.1 Months (Type, Date,and Cumm ~

14'6807.0 108932.3

~

463.0 106947.0 321.0 312026725 101439060 97545997 73.9 73.9 66.1 64.3

6.9 Duration)

25. If Shut Down At End of Report Period, Estimated Date of Startup:

26. Units in Test Status (Prior to Commercial Operation):

Forcast INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION Achieved

• Item No. 5:

Deeign Electrical Rating (DER) NET ISo has been changed effective July 1, 1C81.

This reductico ie the reault of the atacNI condenaar tube raplacmaent with stainlaae steel tubeep ldlich cange e high turbine exhaust preasure.

• Itea Ho. 7s Haodmm dependable capacity (MDC) NET Sfe, effective July 1, 1991, willbe 1000, during the period frcmn May through October and 1020 during the period froe November through April.

Thaae NET ratings and capabilities reflect hietorical data on generating capability due to changee in lake water te~rahue.

AVERAGE DAILY POWER LEVEL (MWe-Net)

DOCKET NO.

50-315 UNIT ONE DATE 01-Oct-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 DAY 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 MONTH AVERAGE DAILY POWER LEVEL 999 988 988 987 986 980 987 983 996 969 988 989 887 876 293 0

SEP.91 DAY 17 18 19 20 21 22 23 24 25 26 27 28 29 30 AVERAGE DAILY POWER LEVEL 0

0 73 384 556 906 949 991 996 1003 1000 998 1000 1002

UNIT SHUTIXNNS AND POWER REDUCTIONS REEORT HC5'IH:

September 1991 DOCKET NO:

UNIT NAHE:

IRTE:

CNIPU,"IKD BY:

TEXZHIONE 50-315 D.C.

COOK UNIT 1 Octaber 3, 1991.

E.C. Schiamlel (616) 465-5901 HEZHOD OF SIK7ZX!ING LICENSEE ITERATION IXNN EVEWP SYSTEM CClMPONEK'KJSE AND CORRECTIVE ACTION TO NO DATE TYPEl HOURS REASON REACIOR EKFOEK NO.

CODE CODE PREVENTS RECURRENCE 298 910915 F

98.3 N/A SF PIPEXX A unit shutdown was canmlenced at 071 hours8.217593e-4 days <br />0.0197 hours <br />1.173942e-4 weeks <br />2.70155e-5 months <br /> on 910915.

Blockage in the boron injection tank (BIT) recirculation flow path prev~ verification of the BIT water leve1 as required by Technical Specification 4.5.4.1 re,paring the unit to be shutdown.

The unit was removed fram service at 1155 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.394775e-4 months <br /> on 910915, followed by the reactor coolant system being cooled to Hade 4. 'Ihe BIT recirculation line was unplugged and the BIT restored to operability. 'Ihe unit was returned to service at 1414 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38027e-4 months <br /> on 910919 with 99.5% RIP being reached at 1412 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.37266e-4 months <br /> on 910923.

1 2

F:

Forced Erson:

S:

Scheduled A:

Equipment Failure (Explain)

C:

Refueling D:

Regulatory Restriction E:

Operator Training and License Examination F:

Achninistrative G:

Ogemtional Error (Explain)

H:

Other (Explain) 3 Hiethod:

1:

Hanual 2:

Manual Scram 3:

Automatic Scram 4:

Other (Explain) 4 5

Exhibit G - Instructions Exhibit I:

Same Source for preparation of data entry sheets for Licensee Event Report (IZR) File (NUREG 0161)

DOCKET N~

UNIT NAME~

COMPLETED BY:

TELEPHONE:

DATE PAGE:

50-315 D.C.

Cook Unit 1 E. C.

Schimmel (616) 465-5901 October 3, 1991 1 of 2 MONTHLY OPERATING ACTIVITIES - Se tember 1991 HIGHLIGHTS The unit entered the reporting period at 99.5% RTP. Reactor power was slowly decreased to 88$

RTP starting on 910912 to allow removal of circulating water pumps from service to aid zebra mussel control activities.

Power was stabilized at 88% RTP at 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> on 910913.

A unit shutdown commenced at 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br /> on 910915.

Blockage in the boron injection tank (BIT) recirculation flow path prevented verification of the BIT water level as required by Technical Specification 4.5.4.1 requiring the unit to be shutdown.

The unit was removed from service at 1155 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.394775e-4 months <br /> on

910915, followed by the reactor coolant system being cooled down to Mode 4.

The BIT recirculation line was unplugged and the BIT restored to operability.

The unit was returned to service at 1414 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38027e-4 months <br /> on 910919 with 99.5%

RTP being reached at 1412 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.37266e-4 months <br /> on 910923.

Gross electrical generation for the month of September was 592860 MWH.

DETAILS 09/12/91 09/13/91 1200 09/15/91 0710 1155 1225 1650 2322 09/17/91 2125 2205 Reactor power was slowly being decreased to 884 RTP throughout the night to allow removal of circulating water pumps from service to aid zebra mussel control activities.

Holding reactor power at 884 RTP for zebra mussel control application.

Commenced unit shutdown for Boron Injection Tank recirculation line repairs.

Tripped the Turbine-Generator.

The reactor is in Mode 2.

The RCS is in Mode 3.

Commenced RCS cooldown to Mode 4.

The RCS is in Mode 4.

Commenced RCS heatup to Mode 3.

The RCS is in Mode 3.

~

V V

DOCKET N UNIT N COMPLETED BY:

TELEPHONE:

DATE:

PAGE:

50-315 D.C.

Cook Unit 1 E. C.

Schimmel (616) 465-5901 October 3, 1991 2 of 2 Monthl 0 eratin Activities Se tember 1991 09/19/91 0242 0348 1155 1414 Commenced reactor startup.

The reactor is critical.

The unit is in Mode l.

Paralleled the main generator to the system power grid.

1422 1830 09/20/91 0000 0406 09/21/91 1010 09/22/91 0000 1135 1412 Commenced unit power increase to 30% RTP.

Holding power at 30% RTP for calorimetric testing.

Resumed unit power increase.

Holding unit power at 47% RTP for quadrant power tilt ratio equalization.

Commenced unit power increase to 90% RTP.

Holding power at 90% RTP for full core flux mapping.

Commenced power increase to 99.5%

RTP.

The unit is at 99.54 RTP.

DOCKET NO.

UNIT NAME:

COMPLETED BY:

TELEPHONE:

DATE PAGE 50-3 15 D.C.

Cook Unit 1 E. C.

Schimmel (616) 465-5901 September 5,

1991 1 of 1 MAJOR SAFETY-RELATED MAINTENANCE - Au ust 1991 There were no major safety-related maintenance items during the month of September.