ML17329A253

Monthly Operating Rept for Oct 1991 for DC Cook Nuclear Plant,Unit 2

ML17329A253
Person / Time
Site:	Cook
Issue date:	10/31/1991
From:	Blind A, Gillett W INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9111190184
Download: ML17329A253 (9)

Text

ACCELERATED DISTRIBUTION DEMONST$&TION SYSTEM REGULATORY INFORMATION DISTRIBUTXON SYSTEM (RIDS)

D NOTES:

ACCESSION NBR-9111190184 DOC.DATE: 91/10/31 NOTARIZED: NO DOCKET FACXL:50-316 Donald C.

Cook Nuclear Power Plant, Unit, 2, Indiana M

05000316 AUTH.NAME AUTHOR AFFILXATION GILLETT,W.T.

Xndiana Michigan Power Co. (formerly Indiana

& Michigan Ele BLIND,A.A.

Indiana Michigan Power Co.

(formerly Indiana 6 Michigan Ele RECIP.NAME RECIPXENT AFFILXATION I

SUBJECT:

Monthly operating rept for Oct 1991 for DC Cook Nuclear Plant, Unit 2.W/911106 ltr.

DISTRIBUTION CODE:

IE24D COPIES RECEIVED LTR ENCL SXZE:

8 TITLE: Monthly Operating Report (per Tech Specs)

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

XNTERNAL: AEOD/DOA NR~R~DLPQ/-,E 10 KG" FILE 01 EXTERNAL EGGG BRYCE iJ ~ H NSIC COPIES LTTR ENCL 3

3 1

1 1

1 1

1 1

1 1

1 1

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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D NOTE TO ALL"RIDS" RECIPIENTS:

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

TOTAL NUMBER OF COPIES REQUIRED:

LTTR 14 ENCL 14 D

D

Indiana Michigan~

Power Company Cook Nuclear Plant One Cook Place Bridgrnan, Ml 49106 616 465 5901 November 6,

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 2 Technical Specification 6.9.1.10, the attached Monthly Operating Report for the month of October 1991 is submitted.

Respectfully, A.A. Blind Plant Manager Attachment co 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 R.L.

S imms 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 9iii190184 911031 PDR ADOCK 05000316 R

PDR

N.R.C OPERATING DATA REPORT DOCKET NO.

50-316 DATE 04-Nov-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 OPERATING STATUS

1. Unit Name D.

C.

Cook Unit 2

2. Reporting Period OCT.91

3. Licensed Thermal Power (MWt) 3411 4.

Name Plate Rating (Gross MWe) 1133

5. Design Electrical Rating (Net MWe) 1090 6.

Maximum Dependable Capacity (GROSS MWe) 1100 7.

Maximum Dependable Capacity (Net MWe) 1060 notes

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

3 through 7) Since Last Report Give Reasons 9.

Power Level To Which Restricted. If Any (Net MWe) 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 Refueling outage to begin 920209 90 da s.

This Mo.

Yr. to Date Cumm.

745.0 7296.0 121248.0 745.0 6701.8 81836.7 0.0 0.0 0

0 745.0 6679.8 80265.7 0.0 0.0 0.0 2519131 22140578 248307631 800860 7073170 80860010 773344 6825992 77884959 100.0 91.6 67 '

100.0 91.6 67 '

97.9 88 '

61.8 94 '

85 '

60 '

0.0 8 '

13 '

Months (Type, Date,and Duration):

for an estimated duration of

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

AVERAGE DAILY POWER LEVEL (MWe-Net)

DOCKET NO.

50-316 UNIT TWO DATE 04-Nov-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 1018 1026 1025 1018 1027 1037 1039 917 1032 1034 1032 1047 1051 1044 1053 1048 OCT.91 DAY 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 AVERAGE DAILY POWER LEVEL 1052 1044 1056 1048 1046 1053 1058 1057 1052 1047 1047 1048 1050 1056 1063

UNIT SHUTDGHNS AND POWER REIXJCTXONS REPORT MDFK:

October 1991 DOCKET NO:

UNIT NAME:

IRTE:

CGHIPIZTED BY:

TEUiZKSE:

50-316 D.C.

COOK UNIT 2, Nov~ 6, 1991 E.C.

SchimmQ.

(616) 465-5901 MEIHOD OF SHVKTING IZCENSEE EURATION DCMN EVEFV SYSZEN CGMK52ÃZ CMJSE AND COEP1XTIVE ACTION TO NO.

DATE TYPE HOURS REASON REACIGR REPORT NO.

CODE CODE HKlVENT RZKGKKNCE 219 911008 F

N/A N/A, N/A SF INSTHO A unit shutdawn commenced at 1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br /> during Safety Injection Phase A logi testing of the Solid State Prot~ion Sy:~n (SSPS) which required the reactor trip bypass breaker A to be closed for greater than the two hours allawed by Technical Specificatian 3.3.1.1.

An urnxsual event was declared due to initiation of a shuMawn recpired by Ta2uu.cal Specification 3.3.2.1.

The power reductian was halted.

at 1627 haurs on 911008 (66tRPP) after it had been verified that the problem was related to the SSPS test circuitry anly. Unit power was restored to 100%

RZP at 0720 1xaua on 911009.

1 2

F:

Forced Reason:

S:

Scheduled A:

Equipment Failure (Explain)

C:

Refueling D:

Regulatory Restriction E:

Operator Training and License lamination F:

Adadni.~tive G:

Operational Error (Explain)

H:

Other (Explain) 3 M'ethod:

1:

Manual 2:

Manual Scram 3:

Autamatic Scram 4:

Other (Explain) 4 5

Exhibit G - Instructions Extdbit I:

Same Source for preparation of data eatery sheets for Licensee Event Report (IZR) File (NUHEG 0161)

DOCKET N UNIT NAME:

COMPLETED BY:

TELEPHONE:

DATE:

PAGE:

50-316 D.C.

Cook Unit 2 E. C.

Schimmel (616) 465-5901 November 6, 1991 1 of 2 MONTHLY OPERATING ACTIVITIES - October 1991 HIGHLIGHTS The unit entered the reporting period at 994 RTP, Unit power was decreased to 944 RTP starting 2032 hours0.0235 days <br />0.564 hours <br />0.00336 weeks <br />7.73176e-4 months <br /> on 911004 for main turbine control valve testing. Unit power was restored to 994 RTP at 0330 hours0.00382 days <br />0.0917 hours <br />5.456349e-4 weeks <br />1.25565e-4 months <br /> on 911005.

A unit shutdown commenced at 1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br /> on 911008.

Problems were encountered during safety injection phase A logic testing of the solid state protection system (SSPS) which required a reactor bypass trip breaker to be closed for greater than the two hours allowed by technical specification 3.3.1.1.

An unusual event was declared due to the initiation of a plant shutdown required by technical specification 3.3.2.1.

The power reduction was halted at 1627 hours0.0188 days <br />0.452 hours <br />0.00269 weeks <br />6.190735e-4 months <br /> on 911008 (664 RTP) after it had been verified that the problem was related to the SSPS test circuitry only. Unit power was restored to 1004 RTP at 0720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> on 911009.

The unit exited the reporting period at 100% RTP.

There were no challenges to the pressurizer safety valves or power operated relief valves.

Gross electrical generation for the month of October was 800860 MNH.

DETAILS 10/04/91 2032 2140 10/05/91 0135 0330 10/08/91 1047 1247 10/08/91 1530 Commenced unit power reduction to 94% RTP for main turbine control valve testing.

The unit is at 94% RTP.

Commenced unit power increase to 994 RTP.

Unit power is at 994 RTP.

Closed reactor trip bypass breaker A for surveillance testing the train A solid state protection system (SSPS).

Reactor trip bypass breaker A has been closed for greater than two hours due to problems with the safety injection phase A logic in the SSPS system discovered during surveillance testing.

Commenced unit shutdown due to reactor trip bypass breaker A being closed for greater than two hours.

Declared an unusual event due to initiating an ESF technical specification 3.3.2.1 required plant shutdown.

DOCKET N UNIT NAME:

COMPLETED BY:

TELEPHONE:

DATE:

PAGE0 50-316 D.C.

Cook Unit 2 E.C.

Schimmel (616) 465-5901 November 6, 1991 2 of 2 MONTHLY OPERATING ACTIVITIES - October 1991 1627 1734 1910 10/09/91 0720 Terminated unit power decrease at 664 RTP after verifying the malfunction to be in the SSPS test circuitry only.

Opened reactor trip breaker A. exited the unusual event.

Commenced unit power increase to 1004 RTP.

The unit is at 1004 RTP.

h Py DOCKET NO.

UNIT NAME:

,COMPLETED BY:

TELEPHONE:

DATE PAGE:

50-316 D.C.

Cook Unit 2 E.C.

Schimmel (616) 465-5901 November 6, 1991 lof1 MAJOR SAFETY-RELATED MAINTENANCE - October 1991 There were no major safety-related maintenance items during the month of October.

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