ML20236W347

Monthly Operating Rept for Aug 1987

ML20236W347
Person / Time
Site:	Cook
Issue date:	08/31/1987
From:	Climer, Will Smith, St Amand J INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC
References
NUDOCS 8712070413
Download: ML20236W347 (8)

Text

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p-N.R.C. OPERATING DATA REPORT DOCKET NO. 50-316 l

DATE F/3/87 COMPLETED BY CLIMER TELEPHONE 616-465-5901 OPERATING STATUS

1. Unit Name D. C. Cook Unit 2 -----------------------

2. Reporting Period AUG 87 l notes l

3. Licensed Thermal Power (MWt) 3411 ! l

4. Name Plate Rating (Gross MWe) 1133 l l

5. Design Electrical Rating (Net MWe) 1100 l l S. Maximum Dependable Capacity (GROSS MWe) 1100 l l

7. Maximum Dependable Capacity (Net MWe) 1060 -----------------------

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 Mo. Yr. to Date Cumm.

11. Hours in Reporting Period 744.0 5831.0 84719.0 626.8 4316.6 58905.9

12. No. of Hrs. Reactor Was Critical 0.0 0.0 0.0

13. Reactor Reserve Shutdown Hours 626.5 4293.9 57537.2

14. Sours Generator on Line 0.0 0.0 0.0

15. Unit Reserve Shutdown Hours 1485651 11237287 176928491

- 16. Gross Therm. Energy Gen. (MWH) 57783600

17. Gross Elect. Energy Gen. (MWH) 445290 3565560

18. Net Elect. Energy Gen. (MWH) 422137 3406204 55641040 84.2 73.6 69.9

19. Unit Service Factor 84.2 73.6 69.9

20. Unit Availability Factor

21. Unit Capacity Factor (MDC Net) 53.5 55.1 63.8

22. Unit Capacity Factor (DER Net) 51.6 53.1 62.3

23. Unit Forced Outage Rate 0.0 24.8 15.5

24. Shutdowns Schedulad over Next Six Months (Type,Date,and Duration):

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

Est. rnenrn em enrvice is Unir cnvrnntiv a,, e wm rm mn i n e nn nn c n /su rv e ul a n n n nuengo

26. Units in Test Sta tus (Prior to Commercial Operation): 10-2-87.

Forcast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION h

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8712070413 870831 PDR ADOCK 05000316 R PDR

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', ' AVERAGE DAILY' POWER LEVEL (MWe-Net) 4 DOCKET NO. 50-316 '

' UNIT. . TWO DATE 9/3/87 COMPLETED BY. -CLIMER TELEPHONE 616.-465-5901 MONTH- AUG 87 AVERAGE DAILY .

AVERAGE DAILY POWER LEVEL. DAY- POWER LEVEL' DAY 668 17 816 1-502 18 817 2

769 19 816-3 783 20 814 4

822 21 814 5

818 22 813 6

800 23 818 7

364 24 818.

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- 306 25 821 9

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DOCKET N0: 50-316 y .g UNIT NAME: D.C. Cook Unit 2 i' COMPLETED BY: Jo L."St. Amand-p j- i TELEPHONE: (615)465-5901 6 '

DATE: Sept. 8, 1987 PAGE: 1 of 2 a

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MONTHLY OPERATIN_G ACTIVITIES - AUGUST 1987

$ !- HIGHLIGHTS 3 7 ,Tre reporting period began with the unit in Mode 1 at the 801 power limit administratively imposed,to minimize steam generator tube l degradation.

On 8-1-87 power was reduced ?.o 40% to allow cleaning of the A-Soeth condenser hal f. Power was returned to 80% at 1940. hours on 0-2-87,.

On 8-8-87, power was again reduced ".o termit cleaning of all nain condenser .

halves and both feedpump condelsers. P w er was increased to 517 on 8-10-87, '

whereiit remained until 8-16-8/, when 'it was increased to 80%.

On 8-if-87, a unit shutdown was started as a precautionary measure af ter fin (ing' indications that the reactor coolant pump hatch bolts were not installed as designed, Further analysis bad investigations are to be conducted while the unit is out of service. Concurrently with the shutdown, a surveillance and maintenance outage is to be conducted.

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? The reporting ieriod ended with the unit in Mode 5. The estimated return to y 9 ' service dri 4 Oct.ober 2, 1987.

H Gross Electricai Generation for the month of August was 445,290 MWH.

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SUMMARY

8-1-87 "0000 Unit b in Mode 1 at 80% power.'

1333 Started power reduction for concenser' cleaning.

8-2-f7 0215 Stoqxd power reduction at 40%.

1015 Began increasing power.

?)40 Power at 80%.

4 8-8;d7 2366 Start power reduction for condenser cleaning.

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i 4 0602 Westmainfeedpump'$ff.

0809 Stabilized power at 40%.

1300 Uncoupled we'st main feedpump from turbine; pump is seized.

1420 West main feedpump on turning gear.

8-10-87 0200- Started power, increase.

0505 Stopped power increase at 51%.

8-15-87 2324 Stheted increasing power.

8-1.6-87 0130 Pover steady at 80%.

8-26 2127 Unit shutdown started due to finding indications of reactor (Further coolant examination riump hatchunit requires bolts incorrectly) installed.

shutdown.

2140 N 'a.d NRC of power reduction.

8-27-87 0231 Tripped itain turbine.

0236 Entered Mode 2.

0245 Entered Mode 3. All control rods inserted.

0303 All shutdown rods inserted.

0304 Reactor trip breakers opened.

1034 Entered Mode 4. _

2145 Entered Mode 5.'

The reporting period. ended with the unit in Mode 5 for repairs to the reactor coolant pump hatch bolts being performed concurrently with a maintenance and surveillance outage, i

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. o N #f6 DOCKET N0. 50-316

,,, UNIT NAME D.C.Coold-Unit Nd. 2 '

fN , , DATE Sept. 8, 1987 T COMPLETED BY J. L. St. Amand TELEPHONE. (616) 465-5901 'I PAGE 1 of 1 d

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MAJOR SAFETY-RELATED MAINTENANCE 0 AUGUST, 1987.

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M The" reactor. coolant pump hatch bolts were found to be installed

>F differently than designed. Investigation, analysis and repairs are continuing. Repairs will be completed prior to returning the unit to service.

M-2' An essential service water expansion joint supplying the west header

. was found ruptured, rendering the west train of ESW and the AB p;p' '

Diesel Generator inoperable. Temporary repairs were completed with non-certified parts, and the systems were considered operable as

.long as the cross-tie valves remain open. ' Replacement with certified parts was accomplished and the west ESW header returned to service.

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y t m_lNDIANA & MICHIGANJLECTRlC.C0MPAANL DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106

1. ' h '

i (616) 465-5901 .((' l September 9, 1987 j

' Director, Office Of Management Information i and Program Control U. S.1 Nuclear Regulatory Commission .

Washington,'D. C. 20555 l 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 August, 1987 is submitted.

Sincerely, W. G. Smith, Jr.

Plant Manager

.WGS/j d cc: J. E. Dolan M. P. Alexich R. W. Jurgensen f/

R. O. Bruggee /

R. C. Callen (g/

C.'A. Erikson ,

D. W. Paul . 0< N ' '

D. R. Hahn )-

O J. J. Markowsky E. A. Morse g@f [p/ l

-PNSRC File 9V ,/

INPO Records Center '

ANI Nuclear Engineering Department ge>

T. R. Stephens jy

'NRC Region III te'

~B. L. Jorgensen S. L. Hall D. A. Timberlake

/

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