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| number = ML17328B001
| number = ML17328B001
| issue date = 03/31/1991
| issue date = 03/31/1991
| title = Monthly Operating Rept for Mar 1991 for DC Cook Unit 1.W/ 910403 Ltr
| title = Monthly Operating Rept for Mar 1991 for DC Cook Unit 1.W/
| author name = Blind A, Gillett W
| author name = Blind A, Gillett W
| author affiliation = INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
| author affiliation = INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
Line 11: Line 11:
| contact person =  
| contact person =  
| document report number = NUDOCS 9104160234
| document report number = NUDOCS 9104160234
| title reference date = 04-03-1991
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| page count = 8
| page count = 8
Line 16: Line 17:


=Text=
=Text=
{{#Wiki_filter:'.ACCELERATED DISTRIBUTION                           DEMONSTRATION SYSTEM
{{#Wiki_filter:'.ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM
                                  ~      '
~
DOC.DATE: ~
REGULATORY'NFORMATION DISTRIBUTION SYSTEM (RIDS)
REGULATORY'NFORMATION DISTRIBUTION SYSTEM (RIDS)
.ACCESSION NBR:9104160234                                     NOTARIZED: NO FACIL:50-315 Donald C. Cook Nuclear Power Plant, Unit 1, Indiana & 05000315 AUTH. NAME GILLETT,W.T.
.ACCESSION NBR:9104160234 DOC.DATE:~
BLIND,A.A.
NOTARIZED: NO DOCKET, 4 FACIL:50-315 Donald C.
AUTHOR AFFILIATION Indiana Michigan Power Co. (formerly Indiana & Michigan Eke Indiana Michigan Power Co. (formerly Indiana & Michigan Ele DOCKET, 4 RECIP.NAME             RECIPIENT AFFILIATION                                               R I
Cook Nuclear Power Plant, Unit 1, Indiana 05000315 AUTH.NAME AUTHOR AFFILIATION GILLETT,W.T.
Indiana Michigan Power Co.
(formerly Indiana
& Michigan Eke BLIND,A.A.
Indiana Michigan Power Co.
(formerly Indiana
& Michigan Ele RECIP.NAME RECIPIENT AFFILIATION R
I


==SUBJECT:==
==SUBJECT:==
Mont         operating rept for Mar 1991 for         DC Cook Unit 1.W/       l 1       ltr.                                                                   D DISTRIBUTION CODE: IE24D           COPIES RECEIVED:LTR TITLE: Monthly. Operating Report (per Tech Specs) l ENCL  Q  SIZE:
Mont operating rept for Mar 1991 for DC Cook Unit 1.W/
1 ltr.
DISTRIBUTION CODE:
IE24D COPIES RECEIVED:LTR l
ENCL Q SIZE:
TITLE: Monthly. Operating Report (per Tech Specs)
NOTES:
NOTES:
RECIPIENT               COPIES          RECIPIENT          COPIES ID  CODE/NAME            LTTR ENCL    ID CODE/NAME       LTTR ENCL PD3-1 LA                       3    3    PD3-1 PD                1    1          D COLBURN,T.                     1    1 D
l D
INTERNAL: AEOD/DOA                           1    1    AEOD/DS P/TPAB          1    1      I N             PEB10           1    1    NRR/DOEA/OEAB          1    1          8 BC~LE           01          1    1    RGN3                    1    1 EXTERNAL: EG &G BRYCE, J. H                 1   1   NRC PDR NSIC                            1   1 D
RECIPIENT ID CODE/NAME PD3-1 LA COLBURN,T.
D NOTE TO ALL "RIDS" RECIPIENTS:
INTERNAL: AEOD/DOA N
PEB10 BC~LE 01 EXTERNAL: EG &G BRYCE,J. 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
1 1
1 1
1 1
1 D
D I
8 NOTE TO ALL"RIDS" RECIPIENTS:
D D
PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 20079) TO ELIM!NATEYOUR NAME FROM DISTRIBUTION LINIS FOR DOCUMENTS YOU DON'T NEED!
PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 20079) TO ELIM!NATEYOUR NAME FROM DISTRIBUTION LINIS FOR DOCUMENTS YOU DON'T NEED!
TOTAL NUMBER OF COPIES REQUIRED: LTTR               14   ENCL     14
TOTAL NUMBER OF COPIES REQUIRED:
LTTR 14 ENCL 14


V ig 4
V ig 4


Indiana Michigan Power Company Cook Nuclear Plant One Cook Place Bridgman, Ml 49106 616 465 5901 R
Indiana Michigan Power Company Cook Nuclear Plant One Cook Place Bridgman, Ml 49106 616 465 5901 R
April 3,       1991 U.S. Nuclear Regulatory Commission ATTN:       Document     Control Desk Washington, D.C.           20555 Gentlemen:
April 3, 1991 U.S. Nuclear Regulatory Commission ATTN:
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 March 1991 is submitted.
Document Control Desk Washington, D.C.
Respectfully, h 96 A.A. Blind Plant Manager Attachment c:     NRC   Region D.R. Hahn III EPRI Nuclear       Safety Analysis Center R.C. Callen S.L. Hall J.G. Keppler INPO Records       Center ANI Nuclear Engineering Department D.H. Williams, Jr.
20555 Gentlemen:
E.E.     Fitzpatrick J.F. Kurgan 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 f QG Q ~C. D.F. Krause Schimmel R        'DR 9'i04i60234 9i033i PDR     ADOCK     05000315
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 March 1991 is submitted.
Respectfully, h 96 A.A. Blind Plant Manager Attachment c:
f QG NRC Region III D.R.
Hahn EPRI Nuclear Safety Analysis Center R.C. Callen S.L. Hall J.G. Keppler INPO Records Center ANI Nuclear Engineering Department D.H. Williams, Jr.
E.E. Fitzpatrick J.F.
Kurgan 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 Q~C.
Schimmel 9'i04i60234 9i033i PDR ADOCK 05000315 R 'DR


N.R.C. OPERATING DATA REPORT DOCKET NO.       50-315 DATE 01-Apr-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 OPERATING STATUS
N.R.C.
: 1. Unit Name                 D. C. Cook Unit 1
OPERATING DATA REPORT DOCKET NO.
: 2. Reporting Period                     MAR.91     notes
50-315 DATE 01-Apr-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 OPERATING STATUS
: 3. Licensed Thermal Power (MWt)             3250
: 1. Unit Name D.
: 4. Name Plate Rating (Gross MWe)             1152
C.
: 5. Design Electrical Rating (Net MWe)       1030
Cook Unit 1
: 6. Maximum Dependable Capacity (GROSS MWe) 1056
: 2. Reporting Period MAR.91
: 7. Maximum Dependable Capacity (Net MWe)     1020
: 3. Licensed Thermal Power (MWt) 3250 4.
: 8. If Changes Occur in Capacity Ratings (Items no. 3 through 7) Since Last Report Give Reasons
Name Plate Rating (Gross MWe) 1152
: 9. Power Level To Which Restricted.
: 5. Design Electrical Rating (Net MWe) 1030 6.
: 10. Reasons For Restrictions. If   If Any Any:
Maximum Dependable Capacity (GROSS MWe) 1056 7.
(Net MWe)
Maximum Dependable Capacity (Net MWe) 1020 notes
This  Mo. Yr. to Date ll. Hours in Reporting Period
: 8. If Changes Occur in Capacity Ratings (Items no.
: 12. No. of Hrs. Reactor Was Critical 744.0        2160.0 Cumm.
3 through
142416.0 744.0        1634.4  105021.4
: 7) Since Last Report Give Reasons 9.
: 13. Reactor Reserve Shutdown Hours             0.0          0.0    463.0
Power Level To Which Restricted. If Any (Net MWe) 10.
: 14. Hours Generator on Line                 744.0        1534.8  103163 '
Reasons For Restrictions. If Any:
: 15. Unit Reserve Shutdown Hours               0.0          0.0      321.0
ll. Hours in Reporting Period 12.
: 16. Gross Therm. Energy Gen. (MWH)       2404498      4719399  300149047
No. of Hrs. Reactor Was Critical
: 17. Gross Elect. Energy Gen. (MWH)         784830      1526800  97658030
: 13. Reactor Reserve Shutdown Hours
: 18. Net Elect. Energy Gen. (MWH)           757536      1470894  93904367
: 14. Hours Generator on Line
: 19. Unit Service Factor                     100.0          71 1
: 15. Unit Reserve Shutdown Hours
                                                              ~      73 '
: 16. Gross Therm.
: 20. Unit Availability Factor               100 '          71 1
Energy Gen.
                                                              ~      73 '
(MWH)
: 21. Unit Capacity Factor (MDC Net)           99.8          66.8        65.6
: 17. Gross Elect.
: 22. Unit Capacity Factor (DER Net)           98.9          66.1        63.7
Energy Gen.
: 23. Unit Forced Outage Rate                   0.0         0.0         7.0
(MWH)
: 24. Shutdowns Scheduled over Next Six Months (Type, Date,and Duration):
: 18. Net Elect.
: 25. If Shut Down At End of Report Period, Estimated Date of Startup:
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 This Mo.
Yr.
744.0 744.0 0.0 744.0 0.0 2404498 784830 757536 100.0 100 '
99.8 98.9 0.0 Months (Type, to Date 2160.0 1634.4 0.0 1534.8 0.0 4719399 1526800 1470894 71 ~ 1 71 ~ 1 66.8 66.1 0.0 Date,and Cumm.
142416.0 105021.4 463.0 103163 '
321.0 300149047 97658030 93904367 73 '
73 '
65.6 63.7
 
==7.0 Duration)==
: 25. If Shut Down At End of Report Period, Estimated Date of Startup:
: 26. Units in Test Status (Prior to Commercial Operation):
: 26. Units in Test Status (Prior to Commercial Operation):
Forcast     Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
Forcast INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION Achieved


AVERAGE DAILY POWER LEVEL   (MWe-Net)
AVERAGE DAILY POWER LEVEL (MWe-Net)
DOCKET NO.       50-315 UNIT                 ONE DATE         01-Apr-91 COMPLETED BY WT GILLETT TELEPHONE   616-465-5901 MONTH         MAR. 91 AVERAGE DAILY                         AVERAGE DAILY DAY POWER LEVEL            DAY          POWER LEVEL 1          1011            17                  1016 2          994            18                  1022 3          1019            19                  1019 4          1019            20                  1021 5          1018            21                  1019 6          1020            22                  1016 7          1022            23                  1022 8          1017            24                  1014 9          1020            25                  1021 10        1024            26                  1021 11        1018            27                  1023 12        1012            28                  1022 13        1013            29                  1021 14        1020            30                  1024 15        1017            31                  1022 16        1015
DOCKET NO.
50-315 UNIT ONE DATE 01-Apr-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 1011 994 1019 1019 1018 1020 1022 1017 1020 1024 1018 1012 1013 1020 1017 1015 MAR.91 DAY 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 AVERAGE DAILY POWER LEVEL 1016 1022 1019 1021 1019 1016 1022 1014 1021 1021 1023 1022 1021 1024 1022


DOCKET NO:      50-315 UNIT SHUTDOWNS AND POWER REIXJCZXONS                           UNIT NAME       D.C. COOK UNIT '1 IRTE:            April 3, 1991 REPORT  KRIS:  Ku~ 1991                                  K5PLETED BY:    E.C. Schimme1 TEZ2KEONE        (616) 465-5901 MEBKD OF SHUTTING   LICENSEE EURATION           DGNN       EVEÃZ         SYSTBf CXMKRKÃZ CAUSE AND CORRECZIVE       ACZXCIN TO NO. DATE    TYPE1    HOURS    REASGN2  REAczaH    REPORT NO. CODE     CODE       PREVEÃZ REXX3HRENCE None                                                                                       There were no unit shutdowns or significant power reductions fram maximum power level of 100% during the month.
UNIT SHUTDOWNS AND POWER REIXJCZXONS REPORT KRIS: Ku~ 1991 DOCKET NO:
1             2                                     3                      4                            5 F: Forced     Reason:                             Method                  Exhibit G - Instructions      Exhibit I:  Same  Source S: Scheduled   A: Equipment   Failure (Explain)     1. Manual              for preparation of data 2: Manual Scmn        entxy sheets for Licensee C: Refueling                       3: Auhzoatic Scram    Event Report (IZR) File D: RecpQatory Restriction         4: Other (Explain)    (NUEKG 0161)
UNIT NAME IRTE:
E:  Operator Training and Lice'amination F: Administrative G: Operational Error (Explain)
K5PLETED BY:
H: Other (Explain)
TEZ2KEONE 50-315 D.C.
COOK UNIT '1 April 3, 1991 E.C.
Schimme1 (616) 465-5901 MEBKD OF SHUTTING LICENSEE EURATION DGNN EVEÃZ NO.
DATE TYPE1 HOURS REASGN2 REAczaH REPORT NO.
SYSTBf CXMKRKÃZ CAUSE AND CORRECZIVE ACZXCIN TO CODE CODE PREVEÃZ REXX3HRENCE None There were no unit shutdowns or significant power reductions fram maximum power level of 100% during the month.
1 2
F:
Forced Reason:
S:
Scheduled A:
Equipment Failure (Explain)
C:
Refueling D:
RecpQatory Restriction E:
Operator Training and Lice'amination F:
Administrative G:
Operational Error (Explain)
H:
Other (Explain) 3 Method 1.
Manual 2:
Manual Scmn 3:
Auhzoatic Scram 4:
Other (Explain) 4 5
Exhibit G - Instructions Exhibit I:
Same Source for preparation of data entxy sheets for Licensee Event Report (IZR) File (NUEKG 0161)


DOCKET           50-315 UNIT NAME:      D.C. Cook Unit   1 COMPLETED BY:    E.C. Schimmel TELEPHONE:      (616) 465-5901 DATE            April 3, 1991 PAGE            1 of 1 MONTHLY OPERATING ACTIVITIES   March 1991 HIGHLIGHTS The unit entered the reporting period at   100: RTP and exited the reporting period at 100% Rated Thermal Power, with no significant load changes.
DOCKET UNIT NAME:
Gross electrical generation for the month of March   was 784830 MWH.
COMPLETED BY:
DETAILS There were no significant operational events during the     month of March.
TELEPHONE:
DATE PAGE 50-315 D.C.
Cook Unit 1 E.C.
Schimmel (616) 465-5901 April 3, 1991 1 of 1
MONTHLY OPERATING ACTIVITIES March 1991 HIGHLIGHTS The unit entered the reporting period at 100:
RTP and exited the reporting period at 100% Rated Thermal Power, with no significant load changes.
Gross electrical generation for the month of March was 784830 MWH.
DETAILS There were no significant operational events during the month of March.


DOCKET NO.       50-315 UNIT NAME:      D.C. Cook Unit 1 COMPLETED BY:    E.C. Schimmel TELEPHONE:      (616) 465-5901 DATE            April 3, 1991 PAGE:            1 of 1 MAJOR SAFETY-RELATED MAINTENANCE - March 1991 There were no major safety-related maintenance items during the month of March.}}
DOCKET NO.
UNIT NAME:
COMPLETED BY:
TELEPHONE:
DATE PAGE:
50-315 D.C.
Cook Unit 1 E.C.
Schimmel (616) 465-5901 April 3, 1991 1 of 1 MAJOR SAFETY-RELATED MAINTENANCE - March 1991 There were no major safety-related maintenance items during the month of March.}}

Latest revision as of 14:43, 7 January 2025

Monthly Operating Rept for Mar 1991 for DC Cook Unit 1.W/
ML17328B001
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 03/31/1991
From: Blind A, Gillett W
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9104160234
Download: ML17328B001 (8)
v • d • e


Text

'.ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM

~

REGULATORY'NFORMATION DISTRIBUTION SYSTEM (RIDS)

.ACCESSION NBR:9104160234 DOC.DATE:~

NOTARIZED: NO DOCKET, 4 FACIL:50-315 Donald C.

Cook Nuclear Power Plant, Unit 1, Indiana 05000315 AUTH.NAME AUTHOR AFFILIATION GILLETT,W.T.

Indiana Michigan Power Co.

(formerly Indiana

& Michigan Eke BLIND,A.A.

Indiana Michigan Power Co.

(formerly Indiana

& Michigan Ele RECIP.NAME RECIPIENT AFFILIATION R

I

SUBJECT:

Mont operating rept for Mar 1991 for DC Cook Unit 1.W/

1 ltr.

DISTRIBUTION CODE:

IE24D COPIES RECEIVED:LTR l

ENCL Q SIZE:

TITLE: Monthly. Operating Report (per Tech Specs)

NOTES:

l D

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

INTERNAL: AEOD/DOA N

PEB10 BC~LE 01 EXTERNAL: EG &G BRYCE,J. 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

1 1

1 1

1 1

1 D

D I

8 NOTE TO ALL"RIDS" RECIPIENTS:

D D

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

TOTAL NUMBER OF COPIES REQUIRED:

LTTR 14 ENCL 14

V ig 4

Indiana Michigan Power Company Cook Nuclear Plant One Cook Place Bridgman, Ml 49106 616 465 5901 R

April 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 March 1991 is submitted.

Respectfully, h 96 A.A. Blind Plant Manager Attachment c:

f QG NRC Region III D.R.

Hahn EPRI Nuclear Safety Analysis Center R.C. Callen S.L. Hall J.G. Keppler INPO Records Center ANI Nuclear Engineering Department D.H. Williams, Jr.

E.E. Fitzpatrick J.F.

Kurgan 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 Q~C.

Schimmel 9'i04i60234 9i033i PDR ADOCK 05000315 R 'DR

N.R.C.

OPERATING DATA REPORT DOCKET NO.

50-315 DATE 01-Apr-91 COMPLETED BY WT GILLETT TELEPHONE 616-465-5901 OPERATING STATUS

1. Unit Name D.

C.

Cook Unit 1

2. Reporting Period MAR.91
3. Licensed Thermal Power (MWt) 3250 4.

Name Plate Rating (Gross MWe) 1152

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

Maximum Dependable Capacity (GROSS MWe) 1056 7.

Maximum Dependable Capacity (Net MWe) 1020 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:

ll. 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 This Mo.

Yr.

744.0 744.0 0.0 744.0 0.0 2404498 784830 757536 100.0 100 '

99.8 98.9 0.0 Months (Type, to Date 2160.0 1634.4 0.0 1534.8 0.0 4719399 1526800 1470894 71 ~ 1 71 ~ 1 66.8 66.1 0.0 Date,and Cumm.

142416.0 105021.4 463.0 103163 '

321.0 300149047 97658030 93904367 73 '

73 '

65.6 63.7

7.0 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

AVERAGE DAILY POWER LEVEL (MWe-Net)

DOCKET NO.

50-315 UNIT ONE DATE 01-Apr-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 1011 994 1019 1019 1018 1020 1022 1017 1020 1024 1018 1012 1013 1020 1017 1015 MAR.91 DAY 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 AVERAGE DAILY POWER LEVEL 1016 1022 1019 1021 1019 1016 1022 1014 1021 1021 1023 1022 1021 1024 1022

UNIT SHUTDOWNS AND POWER REIXJCZXONS REPORT KRIS: Ku~ 1991 DOCKET NO:

UNIT NAME IRTE:

K5PLETED BY:

TEZ2KEONE 50-315 D.C.

COOK UNIT '1 April 3, 1991 E.C.

Schimme1 (616) 465-5901 MEBKD OF SHUTTING LICENSEE EURATION DGNN EVEÃZ NO.

DATE TYPE1 HOURS REASGN2 REAczaH REPORT NO.

SYSTBf CXMKRKÃZ CAUSE AND CORRECZIVE ACZXCIN TO CODE CODE PREVEÃZ REXX3HRENCE None There were no unit shutdowns or significant power reductions fram maximum power level of 100% during the month.

1 2

F:

Forced Reason:

S:

Scheduled A:

Equipment Failure (Explain)

C:

Refueling D:

RecpQatory Restriction E:

Operator Training and Lice'amination F:

Administrative G:

Operational Error (Explain)

H:

Other (Explain) 3 Method 1.

Manual 2:

Manual Scmn 3:

Auhzoatic Scram 4:

Other (Explain) 4 5

Exhibit G - Instructions Exhibit I:

Same Source for preparation of data entxy sheets for Licensee Event Report (IZR) File (NUEKG 0161)

DOCKET UNIT NAME:

COMPLETED BY:

TELEPHONE:

DATE PAGE 50-315 D.C.

Cook Unit 1 E.C.

Schimmel (616) 465-5901 April 3, 1991 1 of 1

MONTHLY OPERATING ACTIVITIES March 1991 HIGHLIGHTS The unit entered the reporting period at 100:

RTP and exited the reporting period at 100% Rated Thermal Power, with no significant load changes.

Gross electrical generation for the month of March was 784830 MWH.

DETAILS There were no significant operational events during the month of March.

DOCKET NO.

UNIT NAME:

COMPLETED BY:

TELEPHONE:

DATE PAGE:

50-315 D.C.

Cook Unit 1 E.C.

Schimmel (616) 465-5901 April 3, 1991 1 of 1 MAJOR SAFETY-RELATED MAINTENANCE - March 1991 There were no major safety-related maintenance items during the month of March.

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