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{{#Wiki_filter:CATEGORY 1 REGULATOEZNFORMATZON DZSTRZBUTZON TEM (RZDS)ACCESSION NBR:9704160012 DOC.DATE: 97/03/31 NOTARIZED:
{{#Wiki_filter:CATEGORY 1 REGULATOEZNFORMATZON         DZSTRZBUTZON             TEM   (RZDS)
NO DOCKET FACIL:50-'315 Donald C.Cook Nuclear Power Plant, Unit 1, Indiana M 05000315 AUT'A.NAYiE
ACCESSION NBR:9704160012           DOC.DATE:   97/03/31             NOTARIZED: NO         DOCKET FACIL:50-'315 Donald C. Cook Nuclear Power Plant, Unit 1, Indiana                         M 05000315 AUT'A.NAYiE ..       AUTHOR AFFILIATION MINOR,J.W.           American Electric Power Co., Inc.
..AUTHOR AFFILIATION MINOR,J.W.
RUSSOFM.E.'merican Electric                 Power Co.,             Inc.
American Electric Power Co., Inc.RUSSOFM.E.'merican Electric Power Co., Inc.SAMPSON',J.R.
SAMPSON',J.R.   ~   American Electric       Power Co.,             Inc.
~American Electric Power Co., Inc.RECIP.NAME RECIPIENT AFFILIATION
RECIP.NAME           RECIPIENT AFFILIATION


==SUBJECT:==
==SUBJECT:==
Monthly operating rept for Mar 1997 for DC Cook Nuclear Plant Unit 1.W/970402 ltr.DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR ENCL SIZE: TITLE: Monthly Operating Report (per Tech Specs)NOTES: A T RECIPIENT ID CODE/NAME PD3-3 PD INTERNAL: AEOD/SPD/RRAB NRR/DRPM/PECB RGN3 EXTERNAL: LITCO BR'ZCE,J H NRC PDR COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME HICKMAN,J FILE CENTER OC/DBA/PA'D'OAC COPIES LTTR ENCL 1 1 1 1 1 1 1 1 D 0 U E N NOTE TO ALL"RIDS" RECIPIENTS:
Monthly operating rept       for Mar 1997             for DC Cook Nuclear Plant Unit 1.W/970402       ltr.                                                         A DISTRIBUTION CODE: IE24D         COPIES RECEIVED:LTR                   ENCL     SIZE:
PLEASE HELP US TO REDUCE WASTE.TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)ON EXTENSION 41S-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR 10 ENCL 10 L J J Indiana Michigan Power Company Cook Nudear Plant One Cook Place Bridgman, MI 491 06 U.S.Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.20555 April 2, 1997 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 1997 is submitted.
TITLE: Monthly Operating Report (per Tech Specs)                                                     T NOTES:
Sincerely, J.R.Sampson Plant Manager/mr,, Attachment
RECIPIENT            COPIES                      RECIPIENT           COPIES ID CODE/NAME         LTTR ENCL              ID      CODE/NAME      LTTR ENCL PD3-3 PD                 1      1      HICKMAN,J                      1    1 INTERNAL: AEOD/SPD/RRAB             1      1      FILE            CENTER          1    1 NRR/DRPM/PECB             1      1                                      1    1 OC/DBA/PA'D'OAC RGN3                     1      1 EXTERNAL: LITCO BR'ZCE,J H           1     1                                       1     1 NRC PDR                  1     1 D
>502 53 M.E.Ru 9704i600i2 97033i PDR ADQCK 050003i5 R PDR LLIl'3IOtLIltIllIOllnllLtltl3LLtNIl NRC Region III D.R.Hahn R.C.Callen S.Hamming INPO Records Center ANI Nuclear Engineering Department E.E.Fitzpatrick A.A.Blind P.A.Barrett S.J.Brewer D.W.Paul J.A.Kobyra D.L.Noble W.H.Schalk D.G.Turner B.L.Bartlett sso N.R.C.OPERATING DATA REPORT DOCKET NO.50-315 DATE Apr.2, 1997 COMPLETED BY JW Minor TELEPHONE 616-465-5901 D.C OPERATING STATUS 1.Unit Name 2.Reporting Period 3.Licensed Thermal Power (MWt)4.Name Plate Rating (Gross MWe)5.Design Electrical Rating (Net MWe)6.Maximum Dependable Capacity (GROSS MWe)7.Maximum Dependable Capacity (Net MWe)Cook Unit 1 Mar-97 3250 1152 1020 1056 1000 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 Shutdow'n Hours 14.Hours Generator on Line 15.Unit Reserve Shutdown Hours 16.Gross Thermal Energy Gen.(MWH)17.Gross Electrical Energy Gen.(MWH)18.Net Electrical 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 This Month 744.0 3.2 0.0 3.0 0.0 1544.4 500.0 418.0 0.4 0.4 0.1 0.1 0.0 Year-to-Date 2160.0 1419.2 0.0 1419.0 0.0 4270359.4 1414580.0 1362895.0 65.7 65.7 63.1 61.9 0.0 Cumulative 195024.0 148006.5 463.0 145620.8 321.0 430075156.4 139714490.0 134414256.0
0 U
.75.5 75.5 68.7 67.0 5.9 24.Shutdowns Scheduled over Next Six Months (Type, Date, and Duration):
E N
None 25.If Shut Down At End of Report Period, Estimated Date of Startup: A ril 14 1997 26.Units in Test Status (Prior to Commercial Operation):
NOTE TO ALL "RIDS" RECIPIENTS:
INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION Forecast Achieved DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 50-315 D.C.Cook Unit1 Apr.2, 1997 JW Minor 616-465-5901 AVERAGE DAILY POWER LEVEL (MWe-Net)MARCH 1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 3/1/97 3/2/97 3/3/97 3/4/97 3/5/97 3/6/97 3/7/97 3/8/97 3/9/97 3/1 0/97 3/11/97 3/12/97 3/13/97 3/14/97 3/15/97 3/16/97 17 0 0 0'0 0 0 0 0 0 0 0 0 0 0 3/17/97 3/1 8/97 3/1 9/97 3/20/97 3/21/97 3/22/97 3/23/97 3/24/97 3/25/97 3/26/97 3/27/97 3/28/97 3/29/97 3/30/97 3/31/97 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE PAGE 50-315 D.C.Cook Unit 1 Apr.2, 1997 ME Russo 616-697-5100 1 of1 MONTHLY OPERATING ACTIVITIES
PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD) ON EXTENSION 41S-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR                 10         ENCL   10
-MARCH 1997 HIGHLIGHTS The unit entered this reporting period in Mode 1 at 30%RTP and reducing power in preparation for the cycle 15 to 16 maintenance and refueling outage.Commenced cycle 15 to 16 maintenance and refueling outage March 1, 1997 at 0312 following a manual trip of the reactor.Outage activities continued this entire period.The unit exited this reporting period in Mode 6 with Reactor core reload complete.There were no challenges to the pressurizer safety valves or power operated relief valves.Gross electrical generation for the month of March was 500 MWh.DETAILS 03-01-97 03-02-97 03-08-97 03-11-97 03-13-97 03-29-97 03-31-97 r 0300 0312 2035 0825 0303 1345 2310 1543 1527 Manually tripped Main Turbine Generator.
 
Manually tripped Reactor to commence cycle 15 to 16 maintenance and refueling outage.Entered Reactor Mode 3.Entered Reactor Mode 4.Entered Reactor Mode 5.Entered Reactor Mode 6.Commenced Reactor fuel off-load core alterations.
L J
Core alterations complete.All fuel off-loaded to the Spent Fuel Pool.Commenced Reactor refueling core alterations.
J
Core alterations complete.
 
DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE PAGE 50-315 D.C.Cook Unit.1 Apr.2, 1997 ME Russo" 616-697-5100 1 of1 UNIT SHUTDOWNS AND POWER REDUCTIONS
Indiana Michigan Power Company Cook Nudear Plant One Cook Place Bridgman, MI 491 06 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 April 2, 1997 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 1997 is submitted.
-MARCH 1997 DURATION NO.DATE TYPE" HOURS REASON2 METHOD OF SHUTTING LICENSEE DOWN EVENT REACTOR3 REPORT NO.'YSTEM CODE4 COMPONENT CODE5 CAUSE AND CORRECTIVE ACTION TO PREVENT RECURRENCE 330 030197 S 740.8 B,C N/A N/A N/A The Reactor was manually tripped for commencement of the cycle 15 to 16 maintenance and refueling outage on 030197 at 0312.1 F: Forced S: Scheduled 2 Reason: A: Equipment Failure (Explain)B: Maintenance or Test C: Refueling D: Regulatory Restriction E: Operator Training and License Examination F: Administrative G: Operational Error (Explain)H: Other (Explain)3 Method: 1: Manual 2: Manual Scram 3: Automatic Scram 4: Other (Explain)4 Exhibit G-Instructions for preparation of data entry sheets for Licensee Event Report (LER)File (NUREG 0161)5 Exhibit I: Same Source}}
Sincerely, J.R. Sampson Plant Manager
            /mr,,
Attachment NRC Region III D.R. Hahn R.C. Callen S. Hamming INPO Records Center ANI Nuclear Engineering Department E.E. Fitzpatrick A.A. Blind P.A. Barrett S.J. Brewer D.W. Paul J.A. Kobyra D.L. Noble W.H. Schalk D.G. Turner B.L. Bartlett M.E. Ru sso
>502 53 9704i600i2 97033i                                      LLIl'3IOtLIltIllIOllnllLtltl3LLtNIl PDR  ADQCK  050003i5 R                    PDR
 
N.R.C. OPERATING DATA REPORT DOCKET NO.             50 - 315 DATE                   Apr. 2, 1997 COMPLETED BY           JW Minor TELEPHONE             616-465-5901 OPERATING STATUS                                                     Notes:
: 1. Unit Name                                   D. C Cook Unit 1
: 2. Reporting Period                                       Mar-97
: 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
: 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:
This Month            Year-to-Date                Cumulative
: 11. Hours in Reporting Period                         744.0                  2160.0                195024.0
: 12. No. of Hrs. Reactor Was Critical                     3.2                  1419.2                148006.5
: 13. Reactor Reserve Shutdow'n Hours                     0.0                    0.0                    463.0
: 14. Hours Generator on Line                               3.0                  1419.0                145620.8
: 15. Unit Reserve Shutdown Hours                           0.0                    0.0                    321.0
: 16. Gross Thermal Energy Gen. (MWH)                   1544.4              4270359.4              430075156.4
: 17. Gross Electrical Energy Gen. (MWH)                 500.0              1414580.0              139714490.0
: 18. Net Electrical Energy Gen. (MWH)                   418.0              1362895.0              134414256.0
: 19. Unit Service Factor                                   0.4                    65.7                    .75.5
: 20. Unit Availability Factor                             0.4                    65.7                      75.5
: 21. Unit Capacity Factor (MDC Net)                       0.1                    63.1                      68.7
: 22. Unit Capacity Factor (DER Net)                       0.1                    61.9                      67.0
: 23. Unit Forced Outage Rate                              0.0                     0.0                       5.9
: 24. Shutdowns Scheduled over Next Six Months (Type, Date, and Duration):      None
: 25. If Shut Down At End of Report Period, Estimated Date of Startup:  A ril 14 1997
: 26. Units in Test Status (Prior to Commercial Operation):
Forecast              Achieved INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION
 
DOCKET NO.     50-315 UNIT NAME      D.C. Cook Unit1 DATE          Apr. 2, 1997 COMPLETED BY    JW Minor TELEPHONE      616-465-5901 AVERAGE DAILYPOWER LEVEL (MWe-Net)
MARCH 1997 DAY    AVERAGE DAILY                        DAY    AVERAGE DAILY POWER LEVEL                                  POWER LEVEL 3/1/97      17                            3/17/97          0 3/2/97        0                             3/1 8/97        0 3/3/97        0                            3/1 9/97        0 3/4/97        0'                            3/20/97          0 3/5/97                                      3/21/97          0 3/6/97        0                            3/22/97          0 3/7/97        0                            3/23/97          0 3/8/97        0                            3/24/97          0 3/9/97        0                            3/25/97          0 3/1 0/97      0                            3/26/97         0 3/11/97        0                            3/27/97          0 3/12/97        0                            3/28/97          0 3/13/97        0                            3/29/97          0 3/14/97        0                            3/30/97          0 3/15/97       0                            3/31/97         0 3/16/97       0
 
DOCKET NO.              50- 315 UNIT NAME                D.C. Cook Unit 1 DATE                    Apr. 2, 1997 COMPLETED BY            ME Russo TELEPHONE                616-697-5100 PAGE                    1 of1 MONTHLYOPERATING ACTIVITIES - MARCH 1997 HIGHLIGHTS The unit entered this reporting period in Mode  1 at 30% RTP and reducing power in preparation for the cycle 15 to 16 maintenance and refueling outage.
Commenced cycle 15 to 16 maintenance and refueling outage March          1, 1997 at 0312 following a manual trip of the reactor. Outage activities continued this entire period.
The unit exited this reporting period in Mode 6 with Reactor core reload complete.
There were no challenges to the pressurizer safety valves or power operated relief valves.
Gross electrical generation for the month of March was 500 MWh.
DETAILS 03-01-97               0300          Manually tripped Main Turbine Generator.
0312          Manually tripped Reactor to commence cycle 15 to 16 maintenance and refueling outage. Entered Reactor Mode 3.
2035          Entered Reactor Mode 4.
03-02-97               0825          Entered Reactor Mode 5.
03-08-97               0303          Entered Reactor Mode 6.
03-11-97              1345          Commenced Reactor fuel off-load core alterations.
03-13-97              2310          Core alterations complete. All fuel off-loaded to the Spent Fuel Pool.
03-29-97              1543          Commenced Reactor refueling core alterations.
03-31-97              1527          Core alterations complete.
r
 
DOCKET NO.                50- 315 UNIT NAME                D.C. Cook Unit.1 DATE                      Apr. 2, 1997 COMPLETED BY              ME Russo "
TELEPHONE                  616-697-5100 PAGE                      1 of1 UNIT SHUTDOWNS AND POWER REDUCTIONS - MARCH 1997 METHOD OF SHUTTING      LICENSEE DURATION                    DOWN          EVENT        'YSTEM    COMPONENT                CAUSE AND CORRECTIVE ACTION NO.     DATE  TYPE"    HOURS          REASON2    REACTOR3      REPORT NO. CODE4    CODE5                        TO PREVENT RECURRENCE 330    030197  S      740.8              B,C                    N/A          N/A      N/A                The Reactor was manually tripped for commencement of the cycle 15 to 16 maintenance and refueling outage on 030197 at 0312.
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 B: Maintenance or Test                2: Manual Scram          entry sheets for Licensee C: Refueling                          3: Automatic Scram        Event Report (LER) File D: Regulatory Restriction              4: Other (Explain)        (NUREG 0161)
E: Operator Training and License Examination F: Administrative G: Operational Error (Explain)
H: Other (Explain)}}

Revision as of 12:10, 22 October 2019

Monthly Operating Rept for Mar 1997 for DC Cook Nuclear Plant Unit 1.W/970402 Ltr
ML17333A852
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 03/31/1997
From: Minor J, Russo M, Sampson J
AMERICAN ELECTRIC POWER CO., INC.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9704160012
Download: ML17333A852 (7)
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Text

CATEGORY 1 REGULATOEZNFORMATZON DZSTRZBUTZON TEM (RZDS)

ACCESSION NBR:9704160012 DOC.DATE: 97/03/31 NOTARIZED: NO DOCKET FACIL:50-'315 Donald C. Cook Nuclear Power Plant, Unit 1, Indiana M 05000315 AUT'A.NAYiE .. AUTHOR AFFILIATION MINOR,J.W. American Electric Power Co., Inc.

RUSSOFM.E.'merican Electric Power Co., Inc.

SAMPSON',J.R. ~ American Electric Power Co., Inc.

RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthly operating rept for Mar 1997 for DC Cook Nuclear Plant Unit 1.W/970402 ltr. A DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Monthly Operating Report (per Tech Specs) T NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD3-3 PD 1 1 HICKMAN,J 1 1 INTERNAL: AEOD/SPD/RRAB 1 1 FILE CENTER 1 1 NRR/DRPM/PECB 1 1 1 1 OC/DBA/PA'D'OAC RGN3 1 1 EXTERNAL: LITCO BR'ZCE,J H 1 1 1 1 NRC PDR 1 1 D

0 U

E N

NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD) ON EXTENSION 41S-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR 10 ENCL 10

L J

J

Indiana Michigan Power Company Cook Nudear Plant One Cook Place Bridgman, MI 491 06 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 April 2, 1997 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 1997 is submitted.

Sincerely, J.R. Sampson Plant Manager

/mr,,

Attachment NRC Region III D.R. Hahn R.C. Callen S. Hamming INPO Records Center ANI Nuclear Engineering Department E.E. Fitzpatrick A.A. Blind P.A. Barrett S.J. Brewer D.W. Paul J.A. Kobyra D.L. Noble W.H. Schalk D.G. Turner B.L. Bartlett M.E. Ru sso

>502 53 9704i600i2 97033i LLIl'3IOtLIltIllIOllnllLtltl3LLtNIl PDR ADQCK 050003i5 R PDR

N.R.C. OPERATING DATA REPORT DOCKET NO. 50 - 315 DATE Apr. 2, 1997 COMPLETED BY JW Minor TELEPHONE 616-465-5901 OPERATING STATUS Notes:

1. Unit Name D. C Cook Unit 1
2. Reporting Period Mar-97
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
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:

This Month Year-to-Date Cumulative

11. Hours in Reporting Period 744.0 2160.0 195024.0
12. No. of Hrs. Reactor Was Critical 3.2 1419.2 148006.5
13. Reactor Reserve Shutdow'n Hours 0.0 0.0 463.0
14. Hours Generator on Line 3.0 1419.0 145620.8
15. Unit Reserve Shutdown Hours 0.0 0.0 321.0
16. Gross Thermal Energy Gen. (MWH) 1544.4 4270359.4 430075156.4
17. Gross Electrical Energy Gen. (MWH) 500.0 1414580.0 139714490.0
18. Net Electrical Energy Gen. (MWH) 418.0 1362895.0 134414256.0
19. Unit Service Factor 0.4 65.7 .75.5
20. Unit Availability Factor 0.4 65.7 75.5
21. Unit Capacity Factor (MDC Net) 0.1 63.1 68.7
22. Unit Capacity Factor (DER Net) 0.1 61.9 67.0
23. Unit Forced Outage Rate 0.0 0.0 5.9
24. Shutdowns Scheduled over Next Six Months (Type, Date, and Duration): None
25. If Shut Down At End of Report Period, Estimated Date of Startup: A ril 14 1997
26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieved INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION

DOCKET NO. 50-315 UNIT NAME D.C. Cook Unit1 DATE Apr. 2, 1997 COMPLETED BY JW Minor TELEPHONE 616-465-5901 AVERAGE DAILYPOWER LEVEL (MWe-Net)

MARCH 1997 DAY AVERAGE DAILY DAY AVERAGE DAILY POWER LEVEL POWER LEVEL 3/1/97 17 3/17/97 0 3/2/97 0 3/1 8/97 0 3/3/97 0 3/1 9/97 0 3/4/97 0' 3/20/97 0 3/5/97 3/21/97 0 3/6/97 0 3/22/97 0 3/7/97 0 3/23/97 0 3/8/97 0 3/24/97 0 3/9/97 0 3/25/97 0 3/1 0/97 0 3/26/97 0 3/11/97 0 3/27/97 0 3/12/97 0 3/28/97 0 3/13/97 0 3/29/97 0 3/14/97 0 3/30/97 0 3/15/97 0 3/31/97 0 3/16/97 0

DOCKET NO. 50- 315 UNIT NAME D.C. Cook Unit 1 DATE Apr. 2, 1997 COMPLETED BY ME Russo TELEPHONE 616-697-5100 PAGE 1 of1 MONTHLYOPERATING ACTIVITIES - MARCH 1997 HIGHLIGHTS The unit entered this reporting period in Mode 1 at 30% RTP and reducing power in preparation for the cycle 15 to 16 maintenance and refueling outage.

Commenced cycle 15 to 16 maintenance and refueling outage March 1, 1997 at 0312 following a manual trip of the reactor. Outage activities continued this entire period.

The unit exited this reporting period in Mode 6 with Reactor core reload complete.

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

Gross electrical generation for the month of March was 500 MWh.

DETAILS 03-01-97 0300 Manually tripped Main Turbine Generator.

0312 Manually tripped Reactor to commence cycle 15 to 16 maintenance and refueling outage. Entered Reactor Mode 3.

2035 Entered Reactor Mode 4.

03-02-97 0825 Entered Reactor Mode 5.

03-08-97 0303 Entered Reactor Mode 6.

03-11-97 1345 Commenced Reactor fuel off-load core alterations.

03-13-97 2310 Core alterations complete. All fuel off-loaded to the Spent Fuel Pool.

03-29-97 1543 Commenced Reactor refueling core alterations.

03-31-97 1527 Core alterations complete.

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DOCKET NO. 50- 315 UNIT NAME D.C. Cook Unit.1 DATE Apr. 2, 1997 COMPLETED BY ME Russo "

TELEPHONE 616-697-5100 PAGE 1 of1 UNIT SHUTDOWNS AND POWER REDUCTIONS - MARCH 1997 METHOD OF SHUTTING LICENSEE DURATION DOWN EVENT 'YSTEM COMPONENT CAUSE AND CORRECTIVE ACTION NO. DATE TYPE" HOURS REASON2 REACTOR3 REPORT NO. CODE4 CODE5 TO PREVENT RECURRENCE 330 030197 S 740.8 B,C N/A N/A N/A The Reactor was manually tripped for commencement of the cycle 15 to 16 maintenance and refueling outage on 030197 at 0312.

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 B: Maintenance or Test 2: Manual Scram entry sheets for Licensee C: Refueling 3: Automatic Scram Event Report (LER) File D: Regulatory Restriction 4: Other (Explain) (NUREG 0161)

E: Operator Training and License Examination F: Administrative G: Operational Error (Explain)

H: Other (Explain)

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