ML20132G194
| ML20132G194 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 07/31/1985 |
| From: | Climer, Will Smith INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | NRC OFFICE OF RESOURCE MANAGEMENT (ORM) |
| References | |
| NUDOCS 8510010496 | |
| Download: ML20132G194 (8) | |
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INITI AL CRIT IU<i. T TV INITIAL. ELECTRIC.ITY r O M M E R C I (>L r?PF ?67 MN 8510010496 850731 PDR ADOCK O 35
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AVERAGE DAILY POWER LEVEL (MWe-Net)
DOCKET NO.
50-315 UNIT ONE DATE 8/1/85 COMPLETED BY CLIMER TELEPHONE 616-465-5901 MONTH JUL 85 AVERAGE DAILY AVERAGE DAILY DAY POWER LEVEL DAY POWER LEVEL 1
0 17 0
2 0
10 0
3 0
19 0
4 0
20 0
5 0
21 0
6 0
22 0
7 0
23 0
8 0
24 0
9 0
25 0
. 10 0
26 0
11 0
27 O
12 0
28 0
13 0
29 0
14 0
30 0
15 0
31 0
16 0
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h ilNil'SillllDOWNS AND FIHV1 H HiipiirllONS.
C ook Unit 1 g g.
E HATE 8-9-85 COblPl.ETEllitY
~B. A. Svensson July' 1985 616/465-5901 H i P O R T kl O N ill 1El.EPilONE e.
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N' I kcusce E *,
hL Cause & Concteive N.e.
Dale y,
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o s se livent 3, Y p3 Adson to j'
Psevcsil Itccusacisie y$
Hepost #
in O F-6 246 850406 S
744 B&C 2
N.A.
ZZ ZZZZZZ The Unit was removed from service on 850406 for the scheduled ten-year ISI and Cycle VIII - IX Refueling Outage. The core has been reloaded.
The outage has been extended to com-plete major required design changes.
The estimated return to service date is September 1, 1985.
I J
3 4
12: 1ented Heas.ui; hictlpal:
lintubit G -Instantti.uis S. Silic.inic.I A l'ignspuies.: 1:ailine (l.nplain) i Alannal los Psepas ainwi s.I Data la hiaiutenance os Test 24tannal Saani.
Ensey Slicces fos 1.kensee C Refueling
.1 Antoniatic & s.ain.
livent Helnu s il l'HI l'ile I NilHI G-l} Hegulahny Hesinaction
-4 Othen Ilimplani)
Oli>I )
l' Opcial n I~saining & I kcuse i maniination 5
1 Ailownisisalive l
G Opcian.wial 1:nos Iliplain)
INiobst I - Sanie So.uce 19/17) 11 Othes llisplaint
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UNIT SHUTDOWNS AND POWER REDUCTIONS INSTRUCTIONS This report snould descr*e 2!! plant shutdowns dar:ng 6e in accordance *tth the tsole appeanns on the report form.
report penod. In addition. it shou!d be the source of explan.
If category 4 must be used. supply brtef commer:ts.
anon of ug:uncant dips m aversge power leveis. Each ngni.
desnt reducnon m power level (greater then 20% reduction LICENSEE EVE.NT REPORT. Reference the spplicsbie m ave age daily power level for de preceding 24 houn) reportsole occurrence pert:mmg to the outsge or power should be noted even though is umt may not have been reduenon. Enter the Ant tour ;stts (event year, sequennal l
shut down completely. For sus reducnons in power level, rep rt number. occurrence code and report type) of the tive tne duranon should be listed as zero, the method of reducnon pan desapanon as desenbed in item 17 of Instrwnons for should be listed as 4 (Other), and de Cause md Correenve Preparanon of Data Entrv Sheets for Licensee Event Report renon to Prevent Rearrence column should expisin. The (LER) File (NCREG4161). Tbs information may not be Cause sad Correenve Acton to Prevent Recurrence column
- mmediately evident tor all such shutdowns, of ourse, smee should be used to prende any needed explananon to fully turther invesugation may be reoutred to ascertam whetner ur desenbe the circumstances of the outage or power reduction, not a reponaMe ocanm:e was :nvolved.) If the outage or power reduction will not result ;n a reportaole occurrence.
NUMBER. T:ns column should mdieste the sequent:21 nurn.
the pounve indication of this !sck of correistion should be eer ass:gned to esca shutdown or ugnuicant reduenon m power noted as not applicable (N/A).
for 22t calendar yest. When a snutdown cr ugmricant power SYSTEM CODE. The system in whid the outsge or power
.edusden begms m one recort pened and ends in another.
reduction ortgmated stNuld be noted oy te two d: git ecde of
~
an entry should te made tot botn report pnods to be sure ni shutdowns or stannicant power reducuans are reported.
Exhibit G. Instruenons for Preparsuon of Data Entry Sheets Unn! 2 urut h2s 22'ieved its first power gener: tion no ::um-for ucusee Emt Repen MR) Ne NREQ54 ber saould be asaped to each entry.
Systems that do not 6t any existmg code should be denps-ted XX. The cc:e Z2 should be used fcr those events where DATE.. This column shculd.ndteste 1e date of me start a system is not apptic2cle.
of esca shutdown or ugm$ cant power reducnon. Report
- s yest. month. 2nd day. Aupst 14.19M would be reported COMPONENT CODE. Select de most appropnate ;omponent as 7CS14. When a shut:own or ncndcant power recucnon from Exhst I Instruenons for Prepstation of Data Ent.7 beg:ss m one report penod med ends m mother, an entry should Sheets for Licensee Event Report (LER) Fde (SUREC416I1.
he mace for both report penods to be sure all shutdowns usmg the followmg entiens:
cr s:gndesnt power reductons are reported.
A. If a comconent faded.use the component directiv involvec.
TYPE. Use "F or -S" to indicate either " Forced" or "Sene.
duled." resceenvely, for esen snutcown or ugmHeant power B.
If not a comconent fsdure. use de reisted component:
recuccon. Forc:d shutdowns include those rec,utred to be e.g.. wrong valve operated through errort !!st valve as imusted by no later than the weekend io!!ow'ng discovery component.
cf 2n off. normal condinon. It is recogmzed that some judg.
ment :s required in categonz:ng shutdowns in tbs way. In C.
If a cham of fadures occurs, the nrst component to m21 generst a forced snutdown is one that would not have been funcnon should be listed. The secuence of events.mciuc.
completec in the absence of the condinort for whtd correenve ing the other components which fail. should be descnbed 2cton was tamen.
under the Cause and Correenve Acnon to Prevent Recur.
rence column.
l DURATION. Selfexplanatory. When 2 shutdown extends beyond the end ot a report penod. count only the time to de Comoonents ist do not tit any exsstmg code snould be de.
gj,g,ted XXER The code 777777 should be used for eno of the report pened and pick uo de ensumg down time in de followmg reocrt penods. Report dursuen of outages events where a component designattort :s not applicsole.
rounded to tne nearest tenth of 2n hour to fr.cgitate summatwn.
The sum uf tne total outage huurs ;ius. the hours the genera.
CAUSE & CORRECTIVE ACTION TO PREVENT RECUR.
tor was on line snould equal the gross hours :n the reportag RENCE. Uae the column :n a narrattve fashton to ampitiy or penod*
explam the circumstances of the shutdown orpcwer reducnon.
The column shou!c include the spect$c cause for each snut.
RE.tSON. Cuegorue by :etter.!eugnanun m accordance down or ugnatic:nt power reducnon and the immeciate anc with the taole appearmg on the report form. If category H ontemoiated long term correcuve acnon taken tf appropn.
must be used.succiy :nef eumments.
ste.. This cetumn should siso be usec for a descnonon of tne ufety-reisted correcuve maintenance performed dunna METHOD OF SHUTTING DOWN THE REACTOR OR
'"' " "* *I' # ' E * "
".g an :dentulcanon M
'h# #""#*I E * * ""
- I *" 8 * E " ' *"Y **I'* ''*** #'
REDUCING POWER. Caegorue ev numner dengnanun r:aioacuvity or am.tle radianon exoosure spes: tie:ily :ssuu.
INme that this difrers from the Edistm Ele:tnc Institute ned with the out:ge wtuch accounts for more th;m 10 ersent (EEI) definitions of "For;ed P2rnal Ourage" anc -Sene.
di de 2ilowsoie snnual vslues.
- uied Partial Octau." For mese temt>. bel uses 4 shange sr For long textual recorts eentmue nurative on se:ar:te ;.soer 30 MW as the bre2K ;mmi. ' For urpr puwer reseturs.30 MW mJ reteren : the shutdown or power redu tun im tm>
- s t. o small a whange to wariant optartanon.
narrative.
pp --
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J Docket No.:
50-315 g
Unit Name D.C. Cook Unit 1
~
Completed By:
A. S. Puplis Telephone:
(616) 465-5901 Date:
August 12, 1985 Page:
1 of 2 l
MONTHLY OPERATING ACTIVITIES - JULY, 1985
-)
HIGHLIGHTS:
The Unit is currently in the 10 Year ISI and Cycle 9 Refueling Outage.
There was no electrical generation in the month of July.
SUMMARY
4 7-05-85 At 0208, the Core Barrel was placed in the reactor vessel.
'7-11-85 At 0515, the reactor coolant system was at half loop.
7-17-85 At 1645, an Unusual Event was declared due to both plant batteries (LAB and lCD).being declared inoperable.
The Unusual Event.was terminated at'1320 on 7-20-85.
I i
7-22-85 At 1051,-Train "B" blackout testing was commenced.
Blackout testing was completed at 0040 on 7-27-85.
7-23-85 At 0536, Mode 6, Refueling, was entered.
Core' reload began at 0602.
At 1645, an Unusu'ai Event _was declared, halting fuel movement.
The.cause-of the Unusual Event was an
" inoperable" East Essential Service Water Pump due to measured vibration exceeding ISI and indicated low discharge. pressure.
The discharge pressure gauge ~was j
replaced and the vibration levels determined to be acceptable.
The Unusual Event was terminated at 0020 4
on 7-24-85.
4
'/-25-85 At 1453, the containment ventilation unit drain contaimment isolation valves.were found to be open.
Containment integrity was immediately re-established.
7-26-85 At 1735, core reload was completed.
7-28-85 At 0602, the reactor vessel closure head was set.
)
l i
Docket No.:
50-315 Unit Names D.C. Cook Unit 1 i
Completed By:
A. S. Puplis Telephone:
(616) 465-5901-Date:
August 12, 1985 Page:
2 of 2 7-29-85 At 0230, upon confirmation of.an RCS boron concentration of 1,967 ppm, which is less than the Technical Specification of-2,000 ppm, the operators i
immediately borated to greater than 2,000 ppm-boron.
l Investigation into the unexplainable boron dilution is
]
continuing.
i At 0923, RCS boron was found to be 1,972 ppm, which is less than the Technical Specification of 2,000 ppm.
The operators immediately borated to greater than 2,000 ppm.
Investigation into the unexplainable boron dilution is continuing.
.The Unit 1 Control Room Cable Vault Halon System was inoperable i
as of 1400 on 4-05-83.
The backup CO system for the Control 2
l Room Cable Vault remains operable.
i 7
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DOCKET NO.
50 - 315 UNIT NAME D. C. Cook - Unit No. 1 DATE 8-9-85 COMPLETED BY B. A. Svensson MAJOR SAFETY-RELATED MAINTENANCE JULY, 1985 M-1 A leak was found in the boron injection tank manway flange during ISI hydro.024.
Manway was removed, inspected and gasket surfaces cleaned. Torqued to 1500 ft. Ibs. per Westinghouse specifications.
M-2 QRV-302 (3" letdown line flow divnrsion valve) was discovered to have a body / bonnet leak. A new trim assembly, 0-rings and packing were installed along with a new B/B gaskat. The valve was tested for operability.
~
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7-vstem--l5SMS h M CH GAN ELECTRIC. COMPANY Donald C, Cook Nuclear Plant P.O. Ben 458. Bregman, ktchigan 49106 August 9, 1985 Director, Office Of Management Information and Program Control U. S. Nuclear Regulatory Commission i
Washington, D. C.
20555 Gentlemen:
Pursuant to the requirements of Donald C. Cook Nuclear Plant Unit 1 Technical Specification 6.9.1.6, the attached Monthly Operating Report for the Month of July, 1985 is submitted.
l Sincerely, i-i j
W. G. Smith, r.
l Plant Manager WGS:ab Attachments cc:
J. E. Dolan l
M. P. Alexich
(
R. W. Jurgensen i
NRC Region III B. L. Jorgensen R. O. Bruggee R. C. Callen S.-J. Mierzwa F. S. VanPelt, Jr.
P. D. Rennix D. R. Hahn Z.
Cordero J. J. Markowsky S. R. Khalil J. F. Stietzel PNSRC File INPO Records Center ANI-Nuclear Engineering Department (1,4 l
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