ML20032C856

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Monthly Operating Rept for Oct 1981
ML20032C856
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 11/04/1981
From: Amstutz S
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML20032C853 List:
References
NUDOCS 8111110812
Download: ML20032C856 (4)
v • d • e


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200.33 53.71

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e Refueling Information Recuest 1.

Facility name:

Big Rock Point Plant 2.

Scheduled date for next refueling shutdown:

January, 1982 3.

Scheduled date'for restart following shutdown:

April, 1982 h.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendrent?

No If yes, explain.

If no, has the reload fuel design and core configuration been reviewed by Plant Safety Review Committee to determine whether any unreviewed safety questions are associated with the core reload (Ref.10CFR,Sec.50.59)?

Yes If ns review has taken place, when is it scheduled?

o 5

Scheduled date(s) for submittal of proposed licensing action and supporting information:

None 6.

Icperttet licerring ernsiderations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance ana-lysis methods, significant changes in fuel design, new operating procedures:

None 8h

spent fuel storage pool 108
  • (. Number of fuel assemblies in: core 8.

Present licensed spent fuel storage capacity:

193 Size of any increase in licensed storage capacity that has been requested or is planned (in number of fuel assemblies):

248 9

Projected due date of the last refueling that can be discharged to spent fuel pool assuming the present licensed capacity:

1983 1

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.t D

UNITSIIUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-155 UNITNAME D.ia Rock Poht DATE 11-0h-81 October, 1981 COMPLETED BY _SRAmstutz REPORT MONTl!

TELEPl!ONE 616-5h7-6537 ext 180 "k

e

.3=e gL Cause & Currective

.E e g

,.s '#,

Licensee Sv n

o o

'N,o.

Date g

3g

,g g,y Event u2 El Action in

$E f5

[65y RCP0f t #

N0 fU Prevent Recurrence s

6

(

- NONE --

s 1

2 3

4 F: Forced Reason:

Method:

Exhibit G-Instructions S: Scheduled A. Equipment Failure (Explain) 1 Manual for Preparation of Data

!! Maintenance of Test 2 Manual Scram.

Entry Sheets for Licensee C Refueling 3 Automatic Scrum.

Event Report (LER) File (NUltEG-D Regulatory Restriction 4-Other (Explain) 0161)

E. Operator Training & License Examination F. Administrative 5

C Operations! Error (Explain)

Exhibit 1 - Same Souree (9/77)

Il Other (Explain) i i

a

e UNIT SilUIDOWNS AND POWER REDUCTIONS g

INSTRUCTIONS Thh report should describe all plant shutdowns during the in accordance with the table appearing on the report form.s report period. In addition,it should be the source of explan-If category 4 must be used, supply brief comments.

ation of significant dips in average power levels. Each signi.

LICENSEE EVENT REPORT #.

Reference the applicable ficant reduction in power level (greater than 20% reduction in average daily power 1: vel for the preceding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />) reporta$!e occurrence pertaining to the outage or power reduction. Enter the first four parts (event year, sequential should be noted, even though the unit may not have been report number, occurrence code and report type) of the five shut down completely. For such reductions in power level, Part designation as described in item 17 of Instructions for l

the duration should be listed as zero, the method of reduction Preparation of Data Entry Sheats for Licensee Event Report should be listed as 4 (Other), and the Cause and Corrective Action to Present Recurrence column should exp!ain. The (LEP,) File (NUREGol61). This information may not be immediately evident for all such shutdowns,of course,since Cause and Corrective Actica to Prevent Recurrence column further investigation may be required to ascertain whether or should be used to pravid: any needed explanation te fully not a reportable occurrence was involved.) If the outa3e or describe the circumstances of the outage or power reduction.

power reduction will not result in a reportable occurrence.

the positive indication of this lack of correlation should be NUMBER. This column should indicate the sequential num.

noted as not applicable (N/A).

ber assigned to each shutdown or significant reductionin pc r

for that calendar year. When a shutdown or significant power SYSTE.\\1 CODE. The system in which the outage or power reduction begins in one report period and ends in another, reduction origmated should be noted by the two digit code of an entry should be made for both report periods to be sure Exhibit G - Instructions for Preparatten of Data Entry Sheets all shutdowns or significant power reductions are reported.

f r Licensee Event Report (LER) File (NUREG-0161).

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

Systems that do not fit any existing code should be designa, red XX. The code ZZ should be'used for those events where DATE. This column should indicate the date of the start a system is not applicable.

of each shutdown or significant power reduction. Report as year, month, and day. August 14,1977 would be reported COMPONENT CODE. Select the most appropriate component as 770314 When a shuiwn : :!;-ia: ant power reduction from Edibn ! - Instructions for Preparation of Data Entry beginsin one report period.md ends in another, an entry should Sheets for Licensee Event Report (LER) Fila be made for both repa : f eriah to " -~

  • shutdowns using the following critiaria:

~-

or significant power reduaions are reported.

TYPE. Use "F" or "S" to indicate either " Forced" or " Sche-du!ed," respective!y, for each thutdown or s'gnificant power B.

If not a component failure, use the related component:

reduction. Forc:d shutdowns include those required to be e.g., vrong valve operated through error; list valve as initiated by no 12ter th:n the wedend fo' dowing discovery component.

of an off. normal condition. It is recognized that som-judg-ment is required in categorizing shutdowns in this w f. In C.

If a chain of failures occurs, the first component to mal.

general, a forced shutdown is one that wo ild not have been function should be listed. The sequence of events,includ-completed in the absence of the condition for which corrective ing the other components which fail, should be described action was taken.

under the Cause and Corrective Action to Prevent Recur-rence column.

DURATION. Self. explanatory. When a shutdown extends Components that do not fit any existing code should be de.

beyond the end of a report period, count only the time to the sicnated XXXXXX. The code ZZZZZZ should be used for end of the repirt period and pick up the ensuing down time events where a component designation is not applicable.

in the followm3 report periods. Report duration of outages ruunded to the nearest tenth ofan hour to facilitatesummation.

CAUSE & CORRECTIVE ACTION TO PREVENT RECUR-The sum of the total outage huurs plus the hours the genera-RENCE. Use the column in a narrative fashion to amplify or tor was un line should equal the gross hours m the reportmg explain the circumstances of the shutdown or power reduction.

Period.

The column should include the specific cause for each shut-down or significant power reduction and the immediate and REASON. Categonte by let:er des.ignatmn la accordance contemplated long term correctise action taken, if appropri-with the table appearing on the report form. If category li ate. This column should aho be used for a description of the must be used.supp!y br:ef comments.

major safety related corrective maintenance performed during the curage or power reduction including an identification ot}

METilOD OF SilUTTING DOWN Tile REACTOR OR the critical path activity and a report of any smgle release of REDUCING POWER.

Categorite by number desi nation radioactivity or smgle radiation exposure specitually associ-3 ated with the outage which accounts for inore than 10 percen[

INote that this differs from the Edison Electric Institute k.

of the allowable annual values.

IEEll definitions of " Forced Partial Ouiage" and " Sche.

duled Partial Outage." For these term 3. I I I uses a change of For long textual reports continue narrative on sei arate paper 30 MW as the break point. For larges powei reactors.30 MW and reference the shutdown or power reduction for thu l$ l ed $maII J Change les WJrlJf t! e\\pIJnJrioH.

HarrJrjVe.

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