AECM-83-0454, Monthly Operating Rept for Jul 1983

Monthly Operating Rept for Jul 1983

ML20077J595
Person / Time
Site:	Grand Gulf
Issue date:	08/12/1983
From:	Cesare J, Dale L MISSISSIPPI POWER & LIGHT CO.
To:	Deyoung R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
AECM-83-0454, AECM-83-454, NUDOCS 8308170023
Download: ML20077J595 (7)

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Attachment to

'AECM-83/0454 Page'1 of 6 OPERATING DATA REPORT DOCKET NO. 50-416

. DATEf August 12, 1983 COMPLETED BY:- J. G. Cesare TELEPHONE ~ 601-969-2585 OPERATING STATUS

.1. Unit Name:

Grand Gulf Nuclear Station Notes

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2.. Reporting Period: : July, 1983.

3. Licensed Thermal Power (MWt): 191

4. Nameplate Rating (Gross MWe): 1372.5 5.- Design Electrical Rating (Net MWe): 1250

6. Maximum Dependable Capacity (Gross MWe): NA

7. Maximum Dependable Capacity (Net MWe):

NA

8. If Changes Occur in Capacity Ratings IItems Number 3 Through 7) Since Last Report. Gise Reasons:

^

NA-

9. Power Level To Which Restricted. lf Any (Net MWe):

NA

10. Reasons For Restrictions.If Any: As restricted by 0.L. NPF-13 as listed in 3.0 above.

This Month Yr to-Date Cumulative

11. Hours In Reporting Period.

n 0

0

12. Number Of Hours Reactor has Critical 0

0 0-

- 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

18. Net Electrical Energy Generated (MWHl.

0 0

0

19. Unit Service Factor -..

NA -

NA NA

20. Unit Availability Factor NA'

-NA NA

" 21. Unit Capacit'y Factor tUsing MDC Net)

NA NA-NA 221 Unit Capacity Factor (Using DER Net)

NA

-NA NA

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l 23. Unit Forced Outage Rate NA-NA NA

24. Shutdowns Scheduled Oser Next 6 Months (Type. Date.and Duration of Each t:

MA s

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

~ 26. Units in Test Status iPrior to Commercial Operation):.

Forecast _

~ Achieved.

INITIAL CRITICALITY -

8/14/82'

.8/18/82 INITIA L ELECTRICITY -

9/83

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- COMMERCIAL OPERATION "3/84 8308170023 830812 PDR ADOCK 05000416 I

Pl773 4,4,. R :

PDR. M.

Attachment to.

AECM-83/0454 INSTRUCTIONS FOR COMPLETING OPERATING DATA REPORT Pags 2 of 6 This report should be furnished each month by licensees. The name and telephone number of the preparer should be provided in the designated spaces. The instructions below are provided to assist licensees in reporting the data consistently. The number of the uutmetion corresponds to the item number of the report format.

1. UNIT NAME. Self. explanatory.

or of commercial operation, whichever comes last, to the end of the period or decommissioning, whichever comes

2. REPORTING PERIOD. Designate the month for which first. Adjustments in clock hours should be made in the data are presented.

which a change from standard to daylight-savings time (or vice versa) occurs.

3. LICENSED THERMAL POWER (MW,)is the maximum thermal power, expressed in megawatts, currently auth-

12. NUMBER OF HOURS REACTOR WAS CRITICAL.

orized by the Nuclear Regulatory Commission.

Show the total number of hours the reactor was critical during the gross hours of the reporting period.

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

power designation of the turbine-generator in megavoit

13. REACTOR RESERVE SHUTDOWN liOURS. The total amperes (MVA) times the nameplate power factor of the number of hours during the gross hours of reporting turbine generator.

period that the reactor was removed from service for administrative or other reasons but was available for

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

e nominal net electrical output of the unit specified by the utility and used for the purpose of plant design.

14. HOURS GENERATOR ON-LINE.

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

6. 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 the 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 conditions, n Unit Shutdowns for the generator outage hours,should 7.' MAXIMUM DEPENDABLE CAPACITY (NET MW ).

e Maximum dependable capacity (gross) less the normal

15. UNIT RESERVE SHUTDOWN HOURS. The total num-station service loads.

ber of hours expressed to the nearest tenth of an hour during the gross hours of the reporting period that the

8. Self-explanatory.

unit was removed from service for economic or similar reasons but was available for operation.

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MW ).

Note that this item is applicable only if

16. GROSS THERMAL ENERGY GENERATED (MWH).

e restrictions on the power level are m, effect. Short-tenn The thermal output of the nuclear steam supply system (less than one month) limitations on power level need during the gross hours of the reporting period, expressed not be presented in this item.

in megawatt hours (no decimals).

Since this information is used to develop figures on capa-city lost due to restrictions and because most users of the

17. GROSS ELECTRICAL ENERGY GENERATED (MWH).

" Operating PjanLStatus Report" are primarily interested The electrical output of the unit measured at the output in energy actually fed to the distribution system, it is terminals of the turbine-generator during the gross hours requested that this figure be expressed in MWe-Net in of the reportmg period, expressed in megawatt hours (no spite of the fact that the figure must be derived from decimals).

MWt or percent power,

18. NET ELECTRICAL ENERGY GENERATED (MWH).

10. REASONS FOR RESTRICTIONS. IF ANY.. lf item 9 The gross electrical output of the unit measured at the is used, item 10 should explain why. Brief narrative is output terminals of the turbine generator minus the nor-acceptable. Cite references as appropriate. Indicate mal station service loads during the gross hours of the whether restrictions are self-imposed or are regulatory reporting period, expressed in megawatt hours. Negative requirements. Be as specific as possible within space limi-quantities should not be used. If there is no net positive tations. Plants in startup and power ascension test phase value for the period, enter zero (no decimals).

should be identified here.

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11. HOURS IN REPORTING PERIOD. For units in power

19. For units stilt in the startup and powr ascension test i

ascension at the end of the period, the gross hours from

23. phase, items 19 23 should not be computeu. Instead enter the beginning of the period or the iirst electrical produc, N/A in the current month column. These five factors

- tion, whichever comes last, to.the end of the period.

should be computed starting at the time the unit is de-clared.to be in commercial operation. The cumulative For units in commercial operation at the end of the figures in the second and third columns should be based l

period, the Fross hours from the beginning of the period on commercial operation as a starting date.

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Attechment to AECM-83/0454 Pega 3 of 6

19. UNIT SERVICE FACTOR. Compute by dividing hours the generator was on line (ite.n 14) by the gross hours in the reporting period (item 11). Express as percent to the nearest tenth of a percent. Do not include reserve shut-down hours in the calculation.

20. UNIT AVAILABILITY FACTOR. Compute by dividing the unit available hours (item 14 plus item 15) by the gross hours in the reporting period (item 11). Express as percent to the nearest tenth of a percent.

21. UNIT. CAPACITY FACTOR (USING MDC NET). Com-pute by dividing net electrical energy generated (item 18)-

by the product of maximum dependable capacity (item

7) times the gross hours in the reporting period (item 11).

Express as percent to the nearest tenth of a percent.

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

23. UNIT FORCED OUTAGE RATE. Compute by dividing the total forced outage hours (from the table in Unit Shutdowns and Power Reductions) by tr.e sum of hours generator on line (item 14) plus total forced oc 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> (from the table in Unit Shutdown > and Power Redw. ions).

Express as percent to the nearest tenth of a percent.

24. SHUTDOWNS SCllEDULED OVER NEXT 6 MONTilS (TYPE. DATE. AND DURATION OF EACH). Include type (refueling. maintenance. 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 accurate as possible as of the date the report is prepared.

This item is to be prepared each month and updated if appropriate until the actual shutdown occurs.

25. Self-explanatory,

26. Self. explanatory. Note however, that this information

_is_ requested for all units in. startup and power ascension test status and is not required for units already in com.

mercial operation.

TEST STATUS is defined as that period following ini.

tial criticality during which the unit is. tested at succes-sively higher outputs. culminating with operation at full

. power for.a sustained period and completion of war.

.ranty runs. Following this phase ~ the unit:is generally considered by the utility to be availab!e for commercial operation.

Date of COMMERCIAL OPERATION is defined as the n

' date that the t: nit was declared by the utihty owner to oc available. for.the regular production of electricity.

usually related to the satisfactory completion of quali.

. fication rests as specified in the purchase contract and to the. aeeonnting polici(s and practices of the utility.

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Attachment to

.AECM-83/0454 Pzg2 4 of 6 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-416 UNIT I

DATE August 12, 1983 COMPLETED BY J. G. Cesare TELEPHONE 601-969-2585 MONTH July DAY AVER AGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (Mhe-Net) g ywe.3,,,

1 No Power Generated 37 2

18 3

19 4

20 5

21 6

22 7

33 8

24 9

25 10 26 II 27 I2 28 33 29

_ 14 --

30 15 3;

16 4

INSTRUCTIONS -

On this format, list the average daily unit power levelin MWe. Net for each day in the reporting month. Compute to the nearest whole megawa't.

(9/77) a s e e - es

Attcchment to AECM-83/0454 r

I-P gs 5 of 6 DOCKETNO. 50-416 UNIT SilUTDOWNS AND POWER REDUCTIONS UNIT NAME Crand C"1 f Mucl ear Sta..

DATE Angust 17_ 19M REPORT MONTig July COMPLETED BY J. G. Cesare TELEPHONE 60 -969-2585 b

2 g

.5 E "b

$.E 3 Licensee 3-r,

ijn, Cause & Corrective No.

D.it e g

5g 2g5 Event g

g{

Action to H

$5 j ijj g Report a mO Prevent Recurrence d

NA-NA NA NA NA NA.

NA NA NA NA I

I 2

3 4

F: Forced Reason:

Method:

Exhibit G-Instructions S: Scheduled -

A-Equipment Failure (Explain) 1-Manual for Preparation of D.ita B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling

3. Automatic Scram.

Event Report (LER) File (NUREG.

D Regulatory Restriction 44)ther (Explain) 0161)-

E-Operator Training & License Examination F-Administrative 5

G-Operational Error (Explain)

Exhibit i. Same Source (9/77)

Il-Other ( Explain)

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Attachment to UNIT SHUT) OWNS AND POWER REDUCTIONS Page 6 of 6 INSTRUCTIONS This report should describe all plant shutdowns during the in accordance 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 DENT REPORT *. 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 />) fePortable occurrence pertaining to the outage or power should be noted, even though the unit may not have been reduction. Enter the first four parts (event year, sequential l

shut down 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 methoo of reduction p rt designation as described in item 17 of instructions for should be hsted 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 infonnation 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 or 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.

NU51BER. This column should indicate the sequential num-the positive indication of this lack of correlation should be ber assigned.to each shutdown orsignificant reductionin power noted as not applicable (N/A).

for that calendar year. When a shutdown or significant power reduction begins in one report period and ends in another, SYSTENI CODE. The system in which the outage or power an entry should be made for both report peiiods to be sure reduction originated simuld 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 (NUREG.0161).

ber should be assigned to each entry.

Systems 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 C051PONENT CODE. Select the most appropriate component as 770814. When a shutdown or significant power reduction 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 following 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 B.

If not a component failure, use the related component:

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

of an off. normal condition. I: is recognized that some judg-ment is required in categorizing shutdowns in this way. In C.

If a chain of failures occurs, the first component to mal-general, a forced shutdown is one that would 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 beyond the end of a report period. count only the time to the Components that do not fit any existing code should be de-end of the report period and pick up the ensuing down time s gnated XXXXXX. The code 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 the reportmg 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 specific cause for each shut-REASON. Categorite by letter designation in accordance down or significant power reduction and the immediate and i

with the table appearing on the report form. If category 11 contemplated long term corrective action taken, if appropri-must be used, supply brief comments.

ate. This column should also be used for a description of the major safety.related corrective maintenance performed during MET 110D OF SHUTTING DOWN Tile REACTOR OR the outage or power reduction including an identification of REDUCING POWER. Categorite by number designation the critical path activity and a report of any single release of radioactivity or single radiation exposure specifically associ.

INote that this differs from the Edison Electric Institute ated 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 Outage." For these term >. Lt.1 uses a change of For long textual reports cor1inue narrative on separate paper 30 MW as the break point. For larger power reactors.30 MW and reference the shutdown or power redudion for tha is too small a change to wanant esplanation.

narrative.

(9/77

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MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi EdhhlhMIME P. O. B O X 1640, J AC K S O N, MIS SIS SIP PI 3 9 2 05 August 15, 1983 NUCLEAR PRODUCTION 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. NPF-13 File 0260/L-835.0 Monthly Operating Report AECM-83/0454 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 July, 1983 (attachment).

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

Yours truly, L. F. Dale Manager of Nuclear Services GWD/JGC: 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, Georgia 30303 Chief (w/2)

N Office of Resource Management U. S. Nuclear Regulatory Commission

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Washington, D. C. 20555 Member Middle South Utilities System