ML20066D865

Monthly Operating Rept for Dec 1981

ML20066D865
Person / Time
Site:	Cook
Issue date:	12/31/1981
From:	Might A INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML20066D857	List: ML20066D855 ML20066D865
References
NUDOCS 8211120320
Download: ML20066D865 (6)

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CORRECTED COPY CPERATING DATA REPORT

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ocCx.IT No. _56-315 DA7g 12/31/81 _

CO.\\1PLETED EY A. Mioht TE' EPHONE 616 a6G 49.01 OPE 7ATING S ATUS Donald C. Cook Plant Notes

1. Unit b.ame:

December, 1981

2. Reporting ?eded:

3250

3. UcassedThe:=:1 Power @iWs):

1089

4. Namepiste Rad =;(Cro:s MWe): _

1054

3. Desi IIe:=i=1 R::in (Ne:MWe):

f 1080

6. M. 3-tunr Depend:ble Capci:y (Cross MWe):

1044

7. Maxir=c:n Depe=d:b! C:p:ci:7 (Net MWe):

5. If Ch:nges Oe:ar in Capci:y Rati:gs (1:e=s Number 3 Through 7) Since ! ist Report. Give Reasons:

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9. Power Level To Which Res :i::ed. If Any (Net MWe):

10. Re: sons For Res=i: dons.If Any:

This Month Yr.-co.Daet Cu=u!:dve 744 8.760 61.36R

11. Hou s la Repor:ing Period

12. Number of Hou s Re:::or Was Crid::1 46.273.2 695.2 6.752.4 0

0 463

13. Re:c:or Reserve Shu:down Hou:s 694.6 6,665.1 45.222.2

14. Hours Ge=== tor on.I.in, 0

0 321

13. U..it Reserve Shutdown Ecu:s 2,248,410 22,415,841 130.363.189

16. Cross The m:I E=er y Cene=t-d (MWH)

17. Cross Elec=i=1 E=ergy Cen-rz: d (MWH) 761.760.

7.076.170 47 RR1 7An

13. Net E!e==i=1 Ener;y Ceners:ed 0 WE) 726.364 6.781.537 41 pan A7A 93.4 76.l' 76.4

19. Unit Serri== F:ctor 93.4 76.1 -

76.4

20. Unic Av II:oi!I:y F:::or 93.5-74.2 68.7

21. Unit C:p:cky F:::or (Usi=; MDC Net) 92.6 73.4 65.1

22. Unit capacity F ::or(Using DER Net) 6.6 5.5 6.7

23. Unit Forced Ou::ge Rate

24. Shutdowr.s Scheduled Over Nex: 6 Months (Type. D:te. :nd Dunden of E:ch1:

25. If Shu: Down At End Of Report Period.Estim::ed D:te of Sts.-: p:

. 25. Units In Tes: S;::us IPrior to Cemmerei:1 Oper:: ion 1:

Force:st Achieved.

INITIA L CRIT;CA UTY

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o-AVERAGE DAILY UNIT POWER LEVEL 2

DOCKET NO.

50-315 UNIT 1

DATE 12/31 /81 COMPLETED BY A. Might TELEPHONE 616-465-5901 MONTH December, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWE-Net)

(MWe-Net) 1 1050 17 1050 2

1050 18 1050 3

1049 19 1032 4

1047 20 1048 5

1026 21 1049 6

1048 22 1049 7

1048 23 1049 1049 8

1049 24 9

1049 25 1041 i

i 10 1049 25 1043 11 1044 2h 1051 1052 12 1037 28 13 1052 29 961 14 1048 30 i

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=1047 31 16 1050 1

INSTRUCTIONS j

On this fonnat list the average daily unit power level in MWe-Net for each day in the re@crtina m@ nth.

Com@ute to the nearest whole megawatt.

t DOCKET NO. 50-315 UNIT SilUTDOWNS ANI) POWER REDUCTibNS U.L.000k - Unit 1 UNIT N AME DATE l-14-82 COMPLETED ny B. A. Svensson REPORT HONTil December, 1981 TELLrilONE (616) 465-5901 PAGE 1 of 1 e.

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Preveni Recmsence H

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O 177 811229 F

49.4 A

1 Later CB VALVEX The unit was removed from service due to the RCS unidentified leakage in excess of the allowable 1.0 gpm limit. Measured leakage was 1.08 gpm.

The cause of the leakage was deter-mined to be a bellows seal failure and subsequent packing leak on the pressurizer spray control valve, NRV-164.

Repairs required RCS cool-down and draining to half 1 cop. The unit remained out of service at the end of the month.

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F: Fmced Reason:

Meilnid:

Exhibis G - Insienctions S: Scheduled A I!quipmes.: Failme (1.xplain) 1 Mannal lier Psepaution ol Data ll-Maintenance ni Test 2 Manual Scram.

Ensiy Shecis fui 1.icensee C. Refueling 3-Automatic Scram.

Event Repini (I.I!R) File iNilRI:G-D Regulaimy Restriction 4 Ollies (lixplain) 0161)

I!-Opesalor l' raining & License lixamination F Administrative 5

G-Opesa gional liis or (lixplain)

'Estnbit I - Same Somce (9/77)

Il-Other (lixplain)

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Docket No.:

50-315 Unit Namn:

D. C. Cook Unit #,1 Completed By:

D. R. Campbell Telephone:

(616) 465-5901 Date: January 11, 1982 Page:

Page 1 of 2 f10NTHLY OPERATING ACTIVITIES - DECEMBER, 1981 Highlights:

The Unit entered this period operating at 100% reactor power.

The Unit operated until December 29, 1981 at 100% power, except for power reductions to 90% each week, for about 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> to test turbine valves.

During the month, an apparent leak in the Reactor Coolant System had been closely monitored. On December 29, the reactor coolant leak rate was determined to be slightly greater than 1 GPM. The Unit was shutdown at 2233 hours0.0258 days <br />0.62 hours <br />0.00369 weeks <br />8.496565e-4 months <br />, and the reactor tripped at 2311 hours0.0267 days <br />0.642 hours <br />0.00382 weeks <br />8.793355e-4 months <br />.

Entry was made into the Containment and it was discovered that NRV-164 (Pressurizer Spray Valve) had severe packing leakage.

The Unit was taken to Cold Shutdown and drained to half loop to make repairs.

Total electrical generation for the month was 751,760 MWH.

Sunmary:

12-04 While venting the VCT, an increase to approximately 500 counts was seen on R-26, (unit vent radio gas monitor). This was caused by stem leakage on RS0-300 (shutoff valve on vent header from VCT).

The leak was isolated in approximately five minutes, and the valve was repaired.

12-11 Number 13 Circulating Water pump tripped when the motor leads grounded. During the time the pump was out of service the main turbine condenser (Delta T was in excegs of 23 F but did not exceed the 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> limit of.27 F.

12-12-81 "A" North main turbine condenser was out of service for 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

Five tubes were plugged.

12-16 R-11 and 12 containment air particulate and radio gas monitors were inoperable for 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> during planned repair of the 50 PSIG control air / header.

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Docket No.:

50-315 Unit Name:

D. C. Cook Unit #1 Completed By:

D. R. Campbell Telephone:

(616) 465-5901 Date: January 11, 1982 Page:

Page 2 of 2 Summary (cont.):

12-18 DCR-340, Steam Generator blowdown isolation valve was declared inoperable when it failed to meet Technical Specification closing time. The problem was corrected in two hours.

12-21-81 "A" South main turbine condenser was out of service for six hours to plug a leaking tube, 12-22-81 "C" South main turbine condenser was out of service for six hours to plug two leaking tubes.

12-22 R-26, unit vent radio gas monitor reading increased and remained at a higher level than normal. The source was determined to be a leaking primary coolant sample NRV-200 on Unit Two. The sample line was isolated and the airborne activity slowly returned to normal.

NRV-200 was t' hen repaired.

12-25-81 "A" South main turbine condenser was out of service for approximately two hours to check for leaks.

12-29 2055 - Started removing the Unit from service due to RCS unidentified leak rate in excess of the allowable 1.0 gpm.

2233 - Manually tripped turbine - generator.

2240 - Reactor in Mode 3.

12-30 0347 - RCS in Mode 4.

1525 - RCS in Mode 5.

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DOCKET NO.

50 - 315 UNIT HAME D. C. Cook - Unit No. 1 DATE l-14-82 COMPLETED BY B. A. Svensson TELEPHONE

,(616) 465-5901 PAGE 1 of 1 MAJOR SAFETY-RELATED MAINTENANCE DECEMBER, 1981 M-1 No.1 steam generator blowdown regulating valve, DCR-311, had a body-to-bonnet leak.

Replaced the valve gaskets and had the valve tested.

M-2 The root valve for No. 1 steam generator pressure instrument, MPI-212V1, had a body-to-bonnet leak.

Replaced the bonnet gasket.

M-3 Containment isolation valve, ICM-lli, for loop 2 and 3 RHR cooldown iso-lation had a packing leak.

Repacked valve and had it tested.

M-4 Pressurizer power operated relief valve block valve, NM0-152, had a packing leak.

Repacked valve and had it tested.

M-5 Control rod drive fan 3A was vibrating.

Replaced motor' bearings and had vibration check performed.

C&I-l RS0-300, volume control tank vent solenoid was found to be leaking.

RS0-300 was rebuilt, retested, and no leakage found.

C&I-2 MRV-233, steam generator No. 3 power operated relief valve's demand signal on the controller indicated that the valve would open s 3% when not re-quired.

The operational amplifier for the high and low limit circuits of the controller was replaced. The low limit was adjusted to provide correct operation.

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