AECM-83-0397, Monthly Operating Rept for June 1983

Monthly Operating Rept for June 1983

ML20077D037
Person / Time
Site:	Grand Gulf
Issue date:	07/14/1983
From:	Dale L, Richardson J MISSISSIPPI POWER & LIGHT CO.
To:	Deyoung R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
AECM-83-0397, AECM-83-397, NUDOCS 8307260324
Download: ML20077D037 (2)

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' Attachment'to AECM-83/0397'

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'Psge 1 of 6 OPERATING DATA REPORT D'XKET NO. 50-416 DATE July 14. 1983 COMPLETED BY

1. n. nichardson TELEPHONE 601-969-2630 OPERATING STATUS

1. Unit Name: Grand Gulf Nuclear Station Notes 2 Reporting Period:

Tuna-1983

3. Licensed Thermal Power (MWt): 191

4. Nameplate Rating (Gross MWe): 1372.5

5. Design Electrical Rating (Net MWe): 1250

6. Maimum Dependable Capacity (Gross MWel: M/A

7. Mnimum Dependable Capacity (Net MWe):

N/A

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report.Give Reasons:

N/A 4

9. Power Level To which Restricted. If Any (Net MWe):

N/A

10. Reasons For Restrictions. lf Any: As restricted by O. L. NPF-13 as listed in 3.0 above.

This Month Yr.-to-Date -

Cumulative

11. Hours In Reporting Period.

'O O

_0

12. Number Of Hours Reactor Was Critical 0

0-0 l

13. Reactor Reserve Shutdown Hours 0

0 0-

14. Hours Generator On.Line 0

0 0

15. Unit Reserve Shutdown Hours 0

0 0-

16. Gross Thermal Energy Generated (MWH) 0 0

0

17. Gross Electrical Energy Generated (MWH) 0 0

0 itL Net Electrical Energy Generated (MWH) 0 0

0'

19. Unit Service Factor

-N/A N/A N/A

20. Unit Availability Fact'o.

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N/A N/A N/A

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21. ' Unit Capacity Factor (Using MDC Net i N/A N/A N/A

22. Unit Capacity Factor tUsing DER Net),

N/A N/A N/A

23. Unit Forced Outage Rate N/A N/A N/A

24. Shutdowns Schedr. led Over Nest 6 Months (Type. Date.und Duration of Each1:

N/A fh

25. If Shut Down At End Of Report Period. Estimated Date of Startup:

N/A

26. Units In Test Status (Prior o Commercial Operation):

Forecast Achieved INITI A L CRITICALITY 8/14/a2 8/18/R2 INITI AL ELECTRICITY 9/83 COM\\f ERCI AL OPER ATION 3/84 8307260324 830714 DR ADOCK 05000

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Attichment to

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.a AECH-83/0397 f.

Pcge 2 of 6 4

x INSTRUCTIONS FOR CO31PLEllNG OPERATING DATA REPORT i.

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. This report should be furnfshed each month by licensees. Theiisme and telephone number of the preparer should be provided in the designated spaces. The instructions below are pronded to assist licensees in aporting the data consistently. The number of the instiuetion corresponds to the item number of the report format.

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1. UNIT NAME. Self explanatory.

or of commercial operation, whichever comes last, to the end of the period or decommissioning, whicheverg:omps W

2. REPORTING PERIOD. Designate the month for which first, Adjustments in clock hours should be made' inn ~

the data are presented.

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which a change from stsndard to daylight. savings time.

(or vice versa) occurs.

3. LICENSED THER31AL POWER (MW )is the maximum g

thermal power, expressed in niegawatts. currently auth-

' 12. NUMBEIL OF HOURS REACTOR WAS CRITICAL.

orized by the Nuclear Regulatory Commission.

Show 't'hh.oal number of hours the reactor wamitic2P during the gro hours of the reporting period.

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4. NAMEPLATE RATING (GROSS SIW ). The nameplate e

power designation of the turbme-generator in megavoit

13. REACTCR RESERVE SHUTDOWN HOURS. The total - 1 amperes (alVA) times the nameplate power factor of the number of hours during the gross hours of reporting turbine generator.

admimstrative or other reasons but was available for.,

piiod that the reactor was removed from service for

5. DESIGN ELECTRICAL RATING (NET MW ) is the opention.

e nominal net electrical output of the unit specified by the N

f utility and used for the purpose of plant design.

14. HOURS GENERATOR-ON-LINE.

Also called Service Hours. The total number of hours expressed to the near-

o. MAXIMUM DEPENDABLE CAPACITY (GROSS MW )

est tenth of an hour during the gross hours of the re-e is the gross electrical output as measured at the output porting period that Me unit' operated with breakers terminals of the turbine generator during the most re-closed to the station bus. These hours, plus those listed strictive seasonal conditior.s.

in Unit Shutdowns for the gererator outage hours, should equal the gross hours in the.eporting period.

7. MAXIMUM DEPENDABLE CAPACITY (NET MW,).

.w Maximum dependable capacity (gross) less the normal

15. UNIT RESERVCSHUTDOhN HOURS. The tot 41 num-station service loads.

ber of hours expressed to th'e nearest, tenth of an hour

3. Self. explanatory.

~during the gross hmirs of the reporting period that the x

unit was rerpoved from wrvice for economic or similar "I *

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY

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(NET MW ).

Note that this item is applicable only9f"

16. GROSS THERMAbb4CRGY GENERATED (MWII).

e restrictions on the power level are in effect. Short tenn Th$ thermal output of the nuclear stearn supply sys' tem

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(less than one month) limitations on oower level need i

during the gross hours of the reportinggnriod, expressed not be presented in this item.

In megawatt hours (no decimalsMO Since this information is used to develop figures on capa-city lost due to restrictions and because most users of the 17 GNONEl.ECTRiCAL ENEEGY GENERATED (MWil).

" Operating Plant Status Report" are primarily interested Thd'cVetrical octrut of the unit measured at the output in energy actually fed to tee distribution system. it is[:/'\\ termin.ls of thedurbine generator during the gross hou requested that this figure be expressed in MWeNet in

. of the reportmg period, expressed in megawatt hours (no spite of the fact that the figure must be derici from

" decimals).

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MWt or percent power.

r iN.< NET ELECTRICAL ENERGY GENERATED (MWH). #,

- 10. REASONS FOR RESTRICTIONS. IF ANY. If itenr 9 U Tiie gross electrical output of the unit measured at the

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is usedcitem 10 should explain why. '13rief narrative is

' output terminals of the turbine. generator minus the nor-acceptable. Cite references as appropriate. Indicate t

mal station service loads during the gioss hours of the

whether restrictions are self-imposed or 'are regulatory reporting period. expressed in megawait hours. Negative requirements. Be as specific as possible within space limi-4tsantities should not be used. If thy is no net positive -

tations. Plants in startup and power ascension test phase Salue for the period. entci zero (no decmials).

should be identified here.

11. HOURS IN REPORTING PERIOD. For units in power

19. For ' units still in the startup and power ascension test ascension at the end of the penod. the gross fiours from

23. phase. iams 19-23 should not_ be computed. Instead. enter the beginning of the period or the first electrical produe-N/A ir]he current month column. These five factors tion whichever comes last, to the end of the period.

shyuldje computed starting at the time the unit is de-For units in commercial operation at the end ciethe ',

cLired ty be in commercial oneration. The cumulative s

s figures 'in the second and third columns should be based period,'the gross hours from the beymning of the period on commerdal operation as a st3rting date.

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AECM-83/0397 Att:chment to w-P1ga 3 of 6 s

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19. UNIT SERVICE FACTOR. Compete by dividing hours the generator was on line (item 14) by the gross hoursin the reporting period (item 1I). Express as percent to the nearest tenth of a percent. Do not include reserve shut.

down hours in the calculation.

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20. UNIT AVAILABILITY FACTOR. Compute by dwiding

• , : the unit available bours (item 14 plus item 15) by the gross hours in the reponing period (item 11). Express as percent to the nearest tenth of aipercent.

21. UNIT CAPACITY FACTOR (USING AfDC NET). Com.

pute by dividing net electrical enersy generated (item 18) by the product of maximum dependable capacity (item

7) times the gross hours in the reporting period (item 1I).

Express as percent to the nearest tenth of a peru:nt.

22. UNIT CAPACITY FACTOR (USING DER NET). Com, g a pute as in item 21. substituting design electrical rating-(item 5) for maximum dependable capacity.

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3. UNil FORCED OUTAGE RATE. Compute by dividing the total forced outage hours (from the table in Unit Shutdowns and Power Reductions) by the sum of hours generator on line (item 14) plus total forced outage hours

- (frogthe table in Unit Shutdowns and Power Reductions).

g Exp.ess as percent to.the nearest tenth of-a percent.

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24. SilUTDOWNS SCliEDULED OVEh NEXT 6 5!ONTilS (TYPE DATE. AND DURATION OF EACll). Include type (refueling, mamtenance, other), proposed date of start of shutdown. and proposed length of shutdown.

It is recognized that shutdowns may be scheduled between reports and that this item may not be allinclusive. Be as accurata as possible as al the date the report is prepared.

This item is to be prepared each month and updated if c

appropriate until the acto (shutdown occurs.

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25. Self explanatory.

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26. Self-explanatory.

Not' howevlr. that this information e

is requested for all units in startup and power ascension

e test status anJ )s not required for units already in com.

3 mercial operation.

TEST STATUS isjefined as that penod following ini.

tial criticalin}Jying which the unit is tested at succes.

sively hi;her outputs, culminating with operation at full power for a :sstained period and completion of war.

ranty runs. Following this phase. the unit is genera!!y con:idered by the utility to be availab!e for conimercial operathp. +-

Date of C01!'.iERCIAL OPERATION is defined as the date that the unit was declared b %e utility owner to 3

bc available for the regular production of electricity.

usually related to the satisfactory completion of quau -

fication tests as specified in the purchase contract and to the accounting pohcies and practices of the utilith

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Attrchment to

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l AECM-83/0397 Ptg2 4 of 6 AVERAGE DAILY UNIT POWER LEVEL I

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DOCKET NO. 50-416 UNIT 1 DATE Juiv 14. 1983

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COMPLETED BY J. D. Richardson TELEPHONE 601-969-2610

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MONTH June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL IMWe Net)

(MWe-Neti I

No nower generated.

37 2

18 3

19 4

20 5

21 6

22 7

23 8

24 9

25 10 26 Il 27 I

12 28 I

13 29

____14 30 t

15 31 16 i

INSTRUCTIONS On this format. list the average daily unit power leselin MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

(9/77I 4

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Attschment to AECM-83/0397 P gs 5 fo 6 UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-416 UNIT NAME Grand Gulf Nuclear Sta.

DATE loly 14-19fl3 COMPLETED BY1 J.

D.

Richardson REPORT MONTH Jun<-

TELEPHONE 6n1-969-7610 i

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.Ei Licensee 5-r, y%

Cause & Corrective No.

Dec 5g j

,s s 5 Event g?

g'3 Action to H

fE d

3 ;ji =g Report a mU Prevent Recurrence o

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o N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A i

I 2

3 4

F: Fmeed Reason:

hfethod:

Exhibit G - Instructions S: Scheduled A. Equipment Failure (Explain) 2-Manual Scram.

Entry Sheets for Licensee 1 -Manual for Preparation of Data B Maintenance of Tes*

C-Refueling 3 iwIomatic Scram.

Event ReporI(LER) File (NUREG-D Regulatory Restriction 4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administ rative 5

G-Operational Error (Explain)

Exhibit I - Same Source (9/77)

Il-Other (Explain) m

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8 Attschment to AECM-83/0397 i*

UNIT SHUTDOWNS AND POWER REDUCTIONS INSTRUCTIONS This report should describe all plant shutdowns during the in axerdance with the table appearing on the report form.

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.

ficant reduction in power level (greater than 20% reduction LICENSEE EVENT REPORT A Reference the applicable 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 />) f8 Portable occurrence pertaining to the outage or power should be noted, even though the unit may not have been reduction. Enter de first four parts (event year, sequential l

shut dawn completely. For such reductions in power level, report number, occurrence code and report type) of the five the duration should be listed as zero, the method of reduction part designation as described in item 17 of Instructions for should be listed as 4 (Other), and the Cause and Corrective Preparation of Data Entry Sheets for Licensee Event Report Action to Prevent Recurrence column should explain. The (LER) File (NUREG.0161). This information may not be Cause and Corrective Action to Prevent Recurrence column immediately evident for all such shutdowns, of course, since should be used to provide any needed explanation to fully further investigation may be required to ascertain whether er describe the circumstances of the outage or power reduction.

n t a reportable occurrence was involved.) If the outage or power reduction will not result in a reportable occurrence, NUMBER. This column should indicate the sequential num-the positive indication of this lack of correlation should be ber assigned to each shutdown or significant reductionin power n ted as not applicable (N/A);-

for that calendar year. When a shutdown or significant power reduction Degms in one report period and ends in another, SiSTEM CODE. The system m which the outage or power an entry should be made for both report periods to be sure reduction originated sh'ou!d be noted by the two digit code of all shutdowns or significant power reductions are reported.

Exhibit G Instructions for Preparation of Data Entry Sheets Until a unit has achieved its first power generation, no num-f r Licensee Event Report (LER) File (NUREG4161).

ber should be assigned to each entry.

Systcms that do not fit any existing code should be designa.

ted 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 as 770814. When a shutdown or significant power reduction COMPONENT CODE. Select the most appropriate component from Exhibit I - Instructions for Preparation of Data Entry beginsin one report period and ends in another, an entry should Sheets for Licensee Event Report (LER) File (NUREG.0161),

be made for both report periods to be sure all shutdowns using the fo!!owing critieria:

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

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

reduction. Forced shutdowns include those required to be initiated by no later than the weekend following discovery e.g., wrong valve operated through error; list valve as component.

of an off. normal condition. It is recognized that some judg.

ment is required in categorizing shutdowns in this way. In C.

general, a forced shutdown is one that would not have been If a chain of failures occurs, the first component to mal.

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 beyond the end of a report period. count only the time to the Components that do not fit any existing code should t e de-end of the report period and pick up the ensuir.g down time signated XXXXXX. The ccde ZZZZZZ should be used for in the following report periods. Report duration of outages events where a component designation is not applicable, rounded to the nearest tenth of an hour to facilitate summation.

The sum of the total outage hours plus the hours the genera.

CAUSE & CORRECTIVE ACTION TO PREVENT RECUR.

tor was on line should equal the gross hours m tiu reporting RENCE. Use the column in a narrative fashion to amplify or period.

explain the circumstances of the shutdown or power reduction.

The column should include the specnic cause for each shut.

REASON. Categorue by letter designation in accordance down or significant power reduction and the immediate and with the table appearing on the report form. If category 11 contemplated long term corrective action taken. if appropri.

must be used, supply briet comments' ate. This column should also be used for a description of the maior safety related corrective maintenance performed during METHOD OF SHUTTING DOWN THE REACTOR OR the outage or power reduction including an identification of REDUCING POWER.

Categorve by number designation the critical path activity and a report of any single release of radioactivity or single radiation exposure speettically associ.

INote that this differs ' from the Edison Electric Institute sted with the outage which accounts for more than 10 percent (EEI) definitions of " Forced Partial Outage" and " Sche, of the allowable annual values.

duled Partial Ou: age." For these term >. LLI uses a change of For long textual reports continue narrative on separate paper 30 MW as the break pomt. For larges power reactors. 30 MW and reference the shutdown or power reduction for this is w small a change to wmant explanaiion.

narrative.

(4/77

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MISSISSIPPI POWER & LIGHT COMPANY Helping B.uild Mississippi P. O. BOX 1640 J ACKSON, MISSISSIPPI 39205 July 15, 1983 NUCLEAR PRoOUCTioN DEPARTMENT Mr. Richard C. DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. N N-13 File 0250/L-835.0 Monthly Operating Report AECM-83/0397 In accordance with 10CFR50.36, Mississippi Power & Light Company (MP&L) is providing twelve copies of the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for June, 1983, (attachment).

If you have any questions or reqrire additional information, please contact this office.

Yours truly, L. F. Dale Manager cf Nuclear Services GWD/JCC/JDR: sap Attachment cc: Mr. J. B. Richard (w/a)

Mr. R. B. McGehee (w/o)

Mr. T. B. Conner (w/o)

Mr. G. B. Taylor (w/o)

Mr. J. P. O'Reilly, Regional Administrator (w/a)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region II 101 Marietta St., N.W., Suite 2900 Atlanta, Cecrgia 30303 Chief (v!2)

Office c: Resource Management q

U. S. Nuclear Regulatory Commission

1. pf,@

Washington, D. C. 20555 D

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Member Middle South Utilities System I