ML18219D348

Letter Monthly Operating Report for April 1978

ML18219D348
Person / Time
Site:	Cook
Issue date:	05/15/1978
From:	Shaller D American Electric Power, Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co)
To:	Office of Nuclear Reactor Regulation
References
Download: ML18219D348 (9)

Text

n5'9 /~f0 REGULATORY INFORMATION DlSTRIBUTION SYSTEM (RIDS>

DISTRIBUTION FOR INCOMING MATERIAL 50-315 REC:

NRC ORG:

SHALLER D V IN 8c MI PWR DOCDATE: 05/15/78 DATE RCVD: 05/19/78 DOCTYPE:

LETTER NOTARIZED:

NO COPIES RECEIVED

SUBJECT:

LTR 1

ENCL 1

FORWARDING SUBJECT FACILITY"S MONTHLY OPERATING REPT FOR THE MONTH OF APRIL 1978.

PLANT NAME: COOK UNlT 1

REVIEWER INITIAL:

XJM DISTRIBUTOR INITIAL:~

DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS 4++++<<<<<4<<+<<<+

NOTES:

I 5 E 3 CYS ALL MATERIAL MONTHLY OPERATING REPORT FOR GRAY BOOK PREPARATION.

(DISTRIBUTION CODE A003)

FOR ACTION:

INTERNAL:

EXTERNAL:

, BR CHI ENCER4<W/2 ENCL REG F

44W/ENCI FOR A

++W/2 ENCL LPDRiS ST.

JOSEPH'I44W/ENCL TIC++W/ENCL NSIC++W/ENCL BNL(NATLAB)++W/ENCL ACRS CAT B44W/0 ENCL NRC PDR+4W/ENCL DISTRIBUTION:

LTR 10 ENCL 10 SIZE:

iP+6P END CONTROL NBR:

781 040

iI.-'! '.;:l,li,L~)j0!i".(lift!~l;(IHIIj It I,'~'~,jj')(

INDI NA & MICHIGANPONE8 COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 May 15, 1978 Director, Office of Management Information and Program Control U.

S. Nuclear Regulatory Commission Washington, D.C.

20555 Gentlemen:

C' 41 4

4W g) r')

~5 1 Pk(

WCD j+~

4D~

V(g C7 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 April, 1978 is submitted.

Sincerely, D.

V. Shaller Plant Manager DVS:ab Attachment cc:

R.

W. Jurgensen NRC Region III K.

R. Baker R.

C. Callen R.

Wal sh S. J.

Mierzwa J.

E.

Dolan R. J. Vollen G.

E. Lien K.

W. Brown J.

M. Hennigan P.

W. Steketee A. F. Kozlowski J.

G. Stietzel PNSRC File 78i3P0p~>

(P~

DOC)'""T 40

&ADIT OqPL TED IIY V. T. Gillett g i PHOqE 6 16 465 5901 April 1978 DAY AVERAGE DAILYPOWER LEVEL (MK~iher

)

1044 DAY AVERAGE DAlLYPOWER LEVEL (MWe.'quiet) 0 17 2

10 12 13 15 16 1044 1044 1047 o54 0

0 0

0 0

0 0

0 0

0 19 20

'3 24 15 26 27 2S 31 0

0 0

0 0

0 0

0 0

0 0

0 0

INSTRUCTIONS On this format. list he ave; ee dail) unit popover level in Mt'.Yet for each day in the reporttnz ntonth. Ciimpute tu'he nearest v'hole m gaivatt.

('i)r77 }

OPERATIiNG DATAREPORT OPERATING STATUS Donald C.

Cook 1

l. Urut Name:

2. Reporting Period:

APi>1 1978

3. Licensed Thermal Power (MWt):

3250

4. Namep!ate Rating (Gross MNe):

1089 S. Design Electrical Rating (Net MÃe)';

Maximum Dependable Capacity (Gross MÃe):

7. Maximum Dependable Capacity (Net MNe):

Notes DOCI'~T YO. 527B COMPLETED BY II'

~ Oillatt TELEPHONE ~C~j '+01

8. IfChanges Occur'n Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To which Restricted, IfAny (Net MWe):

10. Reasons For Restrictions. IfAny:

11. Hours In Reporting Period

12. Number Of Hours Reactor Was Critical

13. Reactor Reserve Shutdovm Hours

14. Hours Gener tor On-Line

15. Unit Reserve Shutdown Hours

16. Gross Therm" I Energy Generated (IPI)YH)

17. Gross Electrical Energy Generated (M>VH)

18. Net Electrical Energy Generated (M'6'H)

19. Unit Service Factor

20. Unit Availability Factor

21. Unit Capacity Factor (Using iLfDCNet)

22. Unit Capacity Factor (Using DER Net)

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Over Next 6 ibfonths This Month 719 0

0 438 253 146,010 141,097 18.8 18.8 18.8 18.6 0

Yr:to-Date 2, 879 2,172.4 0

2,159.9 0

6 643 238 2,196,130 2,117,081 75.0 75.0 70.4 69.8 5.9 (Type. Date. and Duration of Each l:

Cumulative 29,183.0 22 795.1 463. 0 22, 129. 7" 321. 0 58 199 431 18,961,220 18,167,295 79.6 79.6 68.7

63. 7 6.8

25. IfShut Down At End Of Report Period. Estimated Date of Startup.'6, Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY IN ITIAL ELECTRICITY COM;"IIERCIALOPERATION

UNITSHUTDOWNS AND POWER REDUCTIONS REPoRT h(oN'fH Apri1, 1 978 DOCKET NO.

UNITNAh'IE DATE COMPLETED DY TELEPHONE 50-'315 B.A-65-5901 Ni).

l)atc rj Vlrjo 0

z gr)c

~ C/)

Liccnscc Evcnl Rcport 4 C

~l/1 cj2 ~

0 Cause k. Corrcclivc Action to Prcvcnt Rccurrcnce 127 780406 585. 0 C

2 ZZ ZZZZZZ Vnit removed from service for Cycle II-IIIRefueling Outage.

Method of shutting down was generator trip test from 1004 power.

I I': Forced S: Scheduled

('>/77)

Reason:

A-Ei)uipmcnt Failure (Explain)

II-h(aintenance or Test C-Refuclinl, D-Rellulato)y Restriction F..Opi-'fJ li)f t rain)nl; k Llccnsc I)xJnllnalli)n F-Administ rat ivc G.Opcfallon Jl Elrof (EXPIJln)

I I.Other (Explai>>)

hie thod:

I hlanual 2-Manual Scranl.

3 Anton)attc Scrlun 4 Olhcf (Explain)

Exhibit G - Instructions for Preparation ol Data Entry Shecls for Lice>>scc Event Report (LER) File (NOREG.

Ol6l )

'Exhibit I

~ Salnc Source

~

~

UNITSHUTDOWNS AND POWER REDUCTIONS

~

~

INSTRUCTIONS This report should describe all plant shutdowns during the report period.

In addition, it should be the source of explan-ation of significant dips in average power levels.

Each signi.

ficant reduction in power level (greater than 20% reduction in average daily power level for the preceding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />) should be noted, even though the unit may not have been shut down completely>.

For such reductions in power level, the duration should be listed, as zero, the method of reduction should be listed as 4 (Other), and the Cause and Corrective Action to Prevent Recurrence column should explain.

The Cause and Corrective Action to Prevent Recurrence column should be used to provide any needed explanation to fully describe the circumstances of the outage or power reduction.

iVUMBER. This column should indicate the sequential num-ber assigned to each shutdown or significant reduction in power for that calendar year.

When a shutdown or significant power reduction begins in one report period and ends in another.

an entry should be made for both report periods to be sure all shutdowns or significant power reductions are reported.

Until a unit has achieved its first power generation, no num-ber should be assigned to each entry.

DATE.

This column should indicate the date of the start of each shutdown or significant power reduction.

Report as year, month. and day.

August i4. 1977 would be reported as 770814.

When a shutdown or significant power reduction begins in one report period and ends in another, an entry should be made for both report periods to be sure all shutdowns or significant power reductions are reported.

TYPE.

Use "F" or "S" to indicate either "Forced" or "Sche-duled," respectively, for each shutdown or significant power reduction.

Forced shutdowns include those required to be initiated by no later than the weekend following discovery of an off.normal condition.

It is recognized that some judg-ment is required in categorizing shutdowns in this way.

In general.

a forced shutdown is one that would not have been completed in the absence of the condition for which corrective action was taken.

DURATION.

Self-explanatory.

When a shutdown extends beyond the end ot a report period, count only the time to the end of the report period and pick up the ensuing down time in the following report periods.

Report duration of outages rounded to the nearest tenth ofan hour to facilitate summation.

The sum of the total outage hours plus the hours the genera-tor was on line should equal the gross hours in the reporting period.

REASON.

Catep>rize by letter designation in accordance with the table appearing on the report t'orm. Ifcategory H must be used. supply brief comments.

iiIETHOD OF SHUTTING DOW>V THE REACTOR OR REDUCING POWER.

Categt>rize by number designaiion INote that this differs t'rom ihe Edison Electric Institute IEEI) definitions ot'Forced Partial Outage" and "Sche-duled Partial Outag<<."

F>>r ihes<< t<<ru>~. EEI uses a change oi

0 iIW as the break point.

F>>r larger pow<<r reactors. 30 >IIW is t>>>> small a change ti> warrant <<xplanaiio>>.

in accordance with the table appearing on the report torm.

Ifcategory 4 must be used, supply brief comments.

LICENSEE EVENT REPORT ~.

Reference the applicable reportable occurrence pertaining to the outage or power reduction.

Enter the first four parts (event year, sequential report number, occurrence code and report type) of the five part designation as described in Item 17 of Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG4161).

This information may not be immediately evident for all such shutdowns, of course, since further investigation may be required to ascertain whether or not'a reportable occurrence was involved.) If the outage or power reduction will not result in a reportable occurrence.

the positive indication of this lack oi'orrelation should be noted as not applicable (iV/A).

SYSTEM CODE.

The system in which the outage or power reduction originated should be noted by the two digit code of Exhibit G

~ Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG416l).

Systems that do not fit any existing code should be designa-ted XX. The code ZZ should be used for those events where a system is not applicable.

COMPONEiVT CODE. Select the most appropriate component from Exhibit I - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG4161).

using the followingcritieria:

A. Ifa component failed,use the component directlyinvolved.

B. If not a component failure, use the related component:

e.g..

wrong valve operated through error: list valve as component.

C.

If a chain of failures occurs, the first component to mal-function should be listed. The sequence of events, includ-ing the other components which fail, should be described under the Cause and Corrective Action to Prevent Recur-rence column.

Components that do not fit any existing code should be de.

signated XXXXXX. The code ZZZZZZ should be used for events where a

component designation is not applicable.

CAUSE &, CORRECTIVE ACTION TO PREVENT RECUR-RENCE.

Use the column in a narrative fashion to amplify or explain the circumstances of the shutdown or power reduction.

The column should include the specific cause for each shut-down or significant power reduction and the immediate and contemplated Iong term corrective action taken. ifappropri-ate.

This column should also be used for a description of the major safety.rehted corrective maintenance performed during the outage or power reduction including an identification of the critical path activity and a report of any single release of radioactivity vr single radiation exposure specitically associ

~

ated with the outage which accounts for more than 10 percent of the allowable annual values.

For long textual reports continue narrative on separate paper an>I rei<<rene<<

tlie shutdown or power reduction for this llarraiiv<<.

(9/77

Docket No.:

Unit Name:

Date:

Completed By':

Telephone:

50-315 D.

C.

Cook Unit 1

May 15, 1978 R. S. Keith (616) 465-5901 OPERATING EXPERIENCE - APRIL, 1978 Hi hli hts The Unit continued to operate at 1004 power until it was removed from service at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br /> on April 6, 1978 by conducting a generator trip.

The Cycle II - III Refueling Outage started on April 7, 1978.

~Somman 4/1/78 The Unit entered the month operating at 100K power.

4/6/78 4/7/78 4/8/78 4/15/78 4/21/78 Unit tripped off the line from 1004 power by a planned gen-erator trip.

Cycle II - III Refueling Outage started Reactor Coolant System pl aced in Mode 5.

Started disassembly of "C" Turbine and Main Generator.

Reactor Head studs detentioned.

Reactor vessel head was removed.

Started filling reactor cavity.

Lowered water level in reactor cavity to repair a leak on the seal table.

4/22/78 4/23/78 4/27/78 Started filling reactor cavity.

Upper internals were removed from the Reactor.

Upper internals placed back in Reactor.

Pumping down Reactor cavity to repair leak on reactor cavity seal ring.

Reactor cavity was flooded, upper internals were removed and preparations for fuel shuffle were completed.

Between 4/23/78 and 4/27/78 the reactor cavity had been flooded and drained several times to repair leaks on cavity seal ring.

DOCKET NO.

UNIT NAME DATE COMPLETED BY TELEPHONE MAJOR SAFETY-RELATED MAINTENANCE APRIL, 1978 1

50 - 315 D. C.

Cook - Unit No.

1 5-15-78 B. A. Svensson 616 465-5901 NOTE:

Unit No.

1 has been shut down for Cycle II - III Refuel-ing Outage for the entire month of April, 1978.

Major safety-related maintenance items performed during the outage will be reported separately at the end of the outage.