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Monthly Operating Rept for June 1981
	ML20066D901
Person / Time
Site:	Cook
Issue date:	07/06/1981
From:	Gillett W; INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	;
Shared Package
ML20066D899	List: ML20066D898; ML20066D901;
References
	NUDOCS 8211120330
	Download: ML20066D901 (7)
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616 a65 G901 c?IRATING STATUS Not:5 Dona 1d C. Cook 1

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June - 1981

_. R __ _re r::_.., 3._:.,c 3250

3. !.!::: sed ne:=:1 ?:wer (MW:):

1089

.;. N::: epi::: F.2d=; (Cro:s MWe): _

1054

5. Ee:ig : E :=-:=1 R:dag (Ne: MWe):

1080

6. M::d==:= Depend:ble C:7:ci: -(Cress MWef:

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7. '.f.ui::::s Dep=dsh!= C:p::f:/ (Net MWe):

5. !! Ch:=;;s Oc=::i:t C.:p:=i:y F : ;s (1::=s Nunsh : 3 D:sc;h 7) 5ine: L:s: Repc :. Give R : sons:

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9. ? owc:1.:ve! To h~.!:h R===f:::d. If Any (N:: MWe):

10. R==se:s. cr R::=i: den:.lf A:v. :

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nis Mon:h Yr <c.Da:s Ce:==I:dve 720 G6 oR1

12. not:5,. :por:=; 3. :::c4 4 '04 3'. !

3.448 42,969.1

12. Nc=.her Cf Hoc =.:::::: w:s Cri: icd 0-463

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3.438.4 41 095 6-

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15. U..i: R:=ne Sh::dcwn Het=

11,072,852 120,290.R;7 I o". Cce ss...

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3.698,760 39,554,420 t

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3,E. _,045 38,031,186

13. Ne: Ee==i=17.:. ' Cc.r-::d C5WE) 79.2 76.7

19. Uni:!e:Ti=.::::cr 79.2 76.7

.,.,. " :.,. 7.:. n.::.. 7.r... r 7 8 8.__

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. Uni: C:psd:y 7:::::(Usin;.'.!DC. Net)

. Unit C.e:ci:y. :cer (Usin; 0 E.7. Neo 78.0 64.7

'3. U:!: Tor::d Cu::ge R: e 0.5 6.4

24. Shu:down Scheduled Over N c 5 ' ten *'

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mi-s 8211120330 810714 PDR ADOCK 05000315 R

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j-AVERAGE DAILY UNIT POWER LEVEL DOCKET NC.

50-315 UNIT 1

t DATE 7-6-81 3

i COMfLETED SY W. T. Gillett v

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TELEPHONE 616-465-5901

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A MONTH JUNE - 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i

(MWE-Net)

(MWe-Net)

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INSTRUCTICNS On this format list the average daily uni pcwer level in MNe-Met for each day in the reporting acnth. C moute to the neares; whole megawa:t.

50-315 UNIT SiluTI) OWNS ANI) POWER REDUCTIONS I)OCKET NO.

UNIT N AblE D.C. Cook - Unit 1 DATE-7-14-81

, REPORT AlONTil June, 1981 COkiPLETED HY 8.A. Svensson TELEPilONE (616) 465-5901 E

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)$h livent h,y Action to 6-fE j;gg Repor: #

mO Psevent Recurrence g

6 171 810529 5

720.0 B&C 1

N.A.

ZZ ZZZZZZ The unit was removed from service for Cont'd Cycle V - VI refueling and maintenance outage at 2259 hours0.0261 days 0.628 hours 0.00374 weeks 8.595495e-4 months on 810529..The unit remained out of service the en-tire month.

Estimated return to ser-vice date is 810726.

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1:: Foiceil Reason:

kleiln>d:

Exhible G -Instructions S: Scliedulcil A liquipmens Failuse(Explain) 1 klannat for Prepasation of I)ata ll klaintenance of Test

2. Manual Scram.

Enity Sliccis fos 1.icensee C Refueling

.l-Automatic Scram.

Evens Repost (i.l!R) File int 1 REG-D-Regulatiny Restiiction 4 Othes (Explain) 0161)

II. Operator Daining& License linamination F Ailministiative 5

G-Operational Enor (lixplain) lixhibis 1 - Same Somce Pl/77) 11 Other (lixplain) i

E Docket No.:

50-315 Unit Name:

D. C. Cook Unit #1 Completed By:

D. R. Campb211 Telephone:

(616) 465-5901 Date:

July 8, 1981 Page:

1 of 1 MONTHLY OPERATING ACTIVITIES - JUNE, 1981 Highlights:

The Unit entered this reporting period in Mode 5.

Entered Mode 6 at 2130 hour0.0247 days 0.592 hours 0.00352 weeks 8.10465e-4 months , June 7,1981 for the beginning of refueling from Core V to Core VI.

Refueling shuffle was started June 19, 1981 and completed on June 25, 1981.

The Reactor head is now re-installed and we remain in Mode 5 to do other planned outage work. The outage is to be completed by July 26, 1981.

Generation:

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DOCKET NO.

50 - 315 UNIT NAME D. C. Cook - Unit No. 1 DATE 7-14-81 COMPLETED BY B. A. Svensson (616) 465-5901 TELEPHONE

~1 of 3 PAGE MAJOR SAFETY-RELATED MAINTENANCE JUNE, 1981 M-1 Non-essential service water containment isolation valves, NSW-419-1, -3

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and -4 failed Type C leak rate test. The valves were disassembled, the seat was cleaned and the valves were reassembled. The valves were re-tested.

Non-essential service water containment isolation valves, NSW-244-1,

-2,

-3 and -4 failed the Type C leak rate test. The valves were disassembled, the seat was cleaned and the valves were reassembled. The valves were retested.

M-2 SI-142, safety injection to loop 1 cold leg check valve had a bonnet leak.

Replaced the yoke and bonnet.

M-3 1-MS-325, TDAFP supply drain isointion had a packing leak.

Replaced the bonnet, studs, gaskets and packing.'

M-4 NSW-415-1,

-2, -3 and

-4, NESW containment isolation valves failed Type C leak rate test.

Cleaned seat, replaced flappers and had valves tested.

M-5 NSW-417-4, NESW to HV-CIR-4, failed Type C leak rate test.

Cleaned, blued and reassembled valve.

Had valve retested.

M-6 GCR-301, nitrogen supply to PRT containment isolatio'n valve failed Type C leak rate test.

Replaced diaphragm, pin and compressor.

Had valve tested.

M-7 N-160, RC drain tank nitrogen purge supply header containment isolation valve failed Type C leak rate test.

Inspected valve and lapped flapper and seat.

Had valve tested.

M-8 CCW-243-25 and CCW-244-25, CCW penetration cooling supply header contain-ment isolation check valves failed Type C leak rate test.

Inspected, cleaned and reassembled valves.

Had valves tested.

M-9 CS-440-1,

-2, 4 and CS-441-1,

-2,

-3,

-4, reactor coolant pump seal water injection line drain valves were leaking by.

Lapped seats, blued and reassembled valves.

M-10 A leak in inlet piping of SV-104E, "E" RHR heat exchanger safety valve was due to a cracked weld. Ground out and replaced pipe nipple and flange.

Piping was hydrostatically tested.

M-ll SV-14, ESW to "E" containment spray heat exchanger was leaking by.

Cleaned, lapped, blued and reassembled valve.

O DOCKET NO.

50 - 315 UNIT NAME D. C. Cook - Unit No. 1 DATE 7-14-81 COMPLETED BY B. A. Svensson TELEPHONE (616) 465-5901 PAGE 2 of 3 MAJOR SAFETY-RELATED MAINTENANCE JUNE, 1981 M-12 WCR-921 and -922, NESW containment isolation valves failed Type C leak-rate test.

Cleaned, blued and reassembled valves.

Had valves tested.

M-13 WCR-923, NESW return containment isolation valve failed Type C' leak rate test.

Remachined plug, replaced lantern ring, repacked and re-assembled valve. Had valve retested.

M-14 WCR-934, NESW return containment isolation valve failed Type C leak rate test.

Cleaned, machined seat on plug and cage and had valve tested.

M-15 WCR-933, NESW supply containment isolation valve failed Type C leak rate test.

Cleaned, blued and reassembled valv,e. Had valve retested.

M-16 WCR-931 and -935, NESW containment isolation valves failed Type C leak rate test.

Cleaned, lapped seats, blued and reassembled valves.

Had valves retested.

M-17 WCR-946, NESW containment isolation valve failed Type C leak rate test.

Cleaned seats, inspected, lapped plug to cage and reassembled valve.

Had valve retested.

M-18 WCR-965-3 and -966, NESW containment isolation valves failed the Type C leak rate test.

Cleaned, lapped plug to cage, blued and reassembled valve.

Had valve retested.

M-19 NCR-252, primary water to RCS stand pipe make-up lines, containment iso-lation valve failed Type C leak rate test.

Replaced the valve diaphragm and had the valve retested.

M-20 WCR-914, NESW return containment isolation valve failed Type C leak rate test.

Cleaned, installed new seat ring, blued and reassembled valve.

Had valve tested.

M-21 DW-209, reactor cavity scrub down containment isolation had a body to bonnet leak.

The diaphragm was replaced and the leak stopped.

M-22 Pinhole leak in the nipple to half coupling weld below RH-125 in the RHR line to upper CTS containment spray header. The weld was ground odt and rewelded.

M-23 WCR-911 and -915, NESW return containment isolation failed Type C leak rate test.

Cleaned, lapped seats, blued and reassembled valve.

Had valve retested.

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DOCKET NO.

50 - 315 UNIT NAME D. C. Cook - Unit No. 1 DATE 7-14-81 COMPLETED BY.

B. A. Svensson TELEPHONE (616) 465-5901 PAGE 3 of 3 MAJOR SAFETY-RELATED MAINTENANCE ~

JUNE, 1981 M-24 WCR-913, NESW supply containment isolation valve failed Type C leak rate test.

Cleaned, installed new seat ring, blued and' reassembled valve.-

Had valve retested.

M-25 NSW-417-4, NESW containment isolation check valve failed Type C leak rate test.

Clear.ed, lapped disc to seat, blued and reassembled valve.

Had valve retested.

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ML20066D901

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