AECM-83-0670, Monthly Operating Rept for Sept 1983

Monthly Operating Rept for Sept 1983

ML20078K224
Person / Time
Site:	Grand Gulf
Issue date:	10/15/1983
From:	Cesare J, Dale L MISSISSIPPI POWER & LIGHT CO.
To:	Deyoung R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
AECM-83-0670, AECM-83-670, NUDOCS 8310190006
Download: ML20078K224 (8)

Text

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Attachment AECM-83/0670 Page 1 of 6 OPERATING DATA REPORT D'OCKET NO.

sn-416 DATE 10-15-83 C051PLETED BY

.T _ G. Cesare TELEPilONE - 601-969_-2585 CPERATING STATUS

1. Unit Name:

Crand Culf Nuclear Station Notes

2. Reporting Period:

September 1983

3. Licensed Thermal Power O!Wt):

I91

4. Nameplate Rating (Gross 31We):

1372.,5

5. Design Electrical Rating (Net 31We): 1250

6. Stasimum Dependable Capacity (Gross 31Wel:

NA

7. Slaumum Dependable Capacity (Net.\\lWe):

NA

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

NA

9. Power Level To which Restricted. If Any (Net 31Wel:

NA

10. Reasons For Restrictions.!f Any:

nn restricted by 0.L. NPF-13 as listed in 3.0 above This 31onth Yr.-to.D.ite Cumulatise I1. Hours In Reporting Period 720 720 720

12. Number Of Hours Reactor was Critical 123 123 123

13. Reactor Reserve Shutdown flours 0

0 0

14. hours Generator On.Line 0

0 0

15. Unit Resene Shutdown Hours 0

0 0

16. Gross Thennal Energy Generated (31Will 3583 3583 3583

17. Gross Electrical Energy Generated (.\\!Will 0

0 0

18. Net Electrical Energy Generated (31Will 0

0 0

19. Unit Service Factor NA NA NA l

20. Unit Aiailability Fact < r NA LA NA

~

l

21. Unit Capacity Factor (Using.\\lDC Neti NA NA NA l

22. Unit Capacity Factor (Using DER Net)

NA NA NA l

23. Unit Forced Outage Rate NA NA NA

24. Shutdowns Scheduled Oser Nest 6 alonths (Type. Date,and Duration of Each):

'JA

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

NA

26. Units in Test Status (Prior to Commercial Operation):

Forecast Achiesed INITI AL CRITICALITY 8-14-82 8-18-82 (b INITI AL ELECTRICITY 12-83 CO\\l\\lERCIT L OPERATION 7-84

-r 1/

8310190006 831015

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Attachment AECM-83/0670 INSTRUCTIONS FOR COMPLETING OPERATING DATA REPOR'l age 2 of 6 This report should be furnished each month by licensees. Th: 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 instruction corresponds to the iten 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 montn for which first. Adjustments in clock hours should be made in the data are prcrented.

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

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

thermal power, expresno in megawatts. currently auth.

12. NUMBi.R OF HOURS REACTOR WAS CRITICAL.

orized by the Nuetear Regul: tory Ccmmis-icn.

Show the total number of hours the reactor was critical

4. NAMEPLATE RATING (GROSS MW,). The nameplate power designation of the turbine. generator in megavoit

13. REACTOR RESERVE SHUTDOWN HOURS. The total ruperes (MVA) times the nameplate power factor of the turbine generator.

number of hours during the gross hours of reporting penod that the reactor was removed from service for administrative or other reasons bu: was available for

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

operation.

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

14. IlOURS GENERATOR ON.LINE.

Also called Servi:e

o. MAXIMUM DEPENDABLE CAPACITY (GROSS MW )

H urs. The total number of hours expressed to the near-is the gross electrical output as measured at the output est tenth of an hour during the grvss hours of the re.

e porting period that the unit operated with breakers terminals of the turbine. generator during the most re.

closed'io the station bus. These hours, plus those listed strictive seasonal conditions.

in Unit Shutdowns for the generator outage hours,should

7. MAXIMUM DEPENDABLE CAPACITY (NET MW ).

e Maximum dependable capacity (pass) less the normal station service loads.

15. UNIT RESERVE SHUTDOWN HOURS. The total tium.

ber of hours expressed to the nearest tenth of an hour

8. Self explanatory.

during the gross hours of the reporting peried that the unit was removed from service for economic or similar

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY reas ns but was available for operation.

(NET MW,). Note that this item is applicable only if

16. GROSS THERMAL ENERGY GENERATED (MWH).

restrictions on the power level are in effect. Short.tenn (less than one month) limitations on power level need The thermal output of the nuclear steam supply system not be presented in this item.

during the gross hours of the reportin' period, expressed g

n 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 Plant 5tatus Report" are primarily in erested 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. If item 9 The gross electrical output of the unit measured at the is used, item 10 should explain why. Bnef narrative is output terminals of the turbine. generator minus the nor.

acceptable. Cite references as appropriate. Indicate mal station service lo. ids during the gross hours of the whether restrictions are' selfimposed or are regulatory reporting period. expressed in megawatt hours. Negative requirements. Be as specifie 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.

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 gmss hours from

23. phase. items 19 23 should not be computed. Instead. enter the begmmng of the period or the firs: 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 pcriod, the gross hours from the beginning of the period on commercial operation as a starting date.

woe..

Attechment AECM-83/0670 Page 3 of 6

19. UNIT SERVICE FACTOR. -Compute by dividing hours the generator was on line (item 14) by the gross hours in the reporting pened (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 diviling the unit available ht,urs (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 Ii).

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 the sum of hours generator on line (item 14) plus total forced outage hours (from the table in Unit Shutdowns and Power Reductions).

Express as percent to the nearest tenth of a percent.

24. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (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 alliaclusive. 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 dermed 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 sustamed 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 date that the unn was declared by the utility owner to be available for the regular production of electricity, usually related to the satisfactory completion of quali-tication tests as specified in the purchase contract and to the acenunting policies and practices of the utility.

Attachment AECM-83/0670 2

Page 4 of 6 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-416 UNIT Unit 1 DATE 10-15-83 CONIPLETED BY J. G. Cesare TELEPHONE 601-969-2585 h!ONTH september DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (5fWe Net)

(slWe-Net t i

No Power Generated g7 2

18 3

19 4

20 5

21 6

22 7

23 8

24 9

25 10 26 11 27

~

12 28 13 29 14 30 I

IS t

31 16 l

lNSTRUCTION'S On this format. list the average daily unit power leselin NIWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

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Attachment AECM-83/0670 UNIT SHUTDOWNS 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 leve! (greater than 20% reduction L!CENSEE EVENT REPORT #.

Reference the app!icable in average daily powei level for the preceding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />) reportable 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 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 txplain. 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 cc'irse, 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.

not 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 reduction in power n ted 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.

SYSTEM CODE. The system in which the outage or power an entry should be made for both report periods to be sure gg g

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-DATE. This column should indicate the date of the start ted XX. The code ZZ should be used for those events where 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 770S14. When a shutdown or significant power reduction COMPONENT CODE. Select the most appropriate component beginsin one report period and ends in another, an entry should from Exhibit 1 - Instructions for Preparation of Data Entr>

be made for both report periods to be sure all shutdowns Sheets for Licensee Event Report (LER) File (NUREG.0161).

or significant power reductions are reported.

using the following critieria:

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 If not a component failure, use the related component:

B.

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.

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

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

ing the other components which fail, should be described under the Cause and Corrective Action to Prevent Recur-rence colum DURATION. Self. explanatory. When a shutdown extends beyond the end of a report period, count only the time to the Component, t.. 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 Gr in the following report periods. Report duration of outages events where a component designation is not apphcaule.

rounded to the nearest tenth of an hour to facilitate summation The sum of the total outage hours plus the hours the genera.'

CAUSE & CORRECT VE ACTION TO PREVENT RECUR-tur was on line should equal the gross hours in the 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 specific cause for each shut-REASON. Categorue b) 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 brief comments

• ate. This column should also be used for a description of the niajor safety.related corrective maintenance performed during METHOD OF SilUTTING DOWN Tile REACTOR OR the outage or power reduction including an identification of REDUCING POWER.

Categorve by number designation the entical path activity and a report of any single release of radioactituy or single radiation exposure speettieally associ-INote that this datters from the Edison Electric Institute ated with the outage which accounts for more than 10 percent (eel) definitions of " Forced Partial Outage" and " Sche, of the allowable annual values.

duled Partial Outage / For these term >.1.1.1 ums a change of For long textual reports continue narrative on separate paper 30 MW as the break pomi. For larcei powei reactors. 30 MW and reference the shutdown or power reduction foi this is l'M hmJll J change to wJildnt e\\plJr1JtioH narrative.

(9/77

I P MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi P. O. B OX 164 0, J A C K S O N, MIS SIS SIP PI 3 9 2 0 5 October 14, 1983 j

NUCLEAR PRODUCTION DEPARTMENT Mr. Richard C. DeYoung, Director l

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.

20555 I

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-83/0670 In accordance with 10CFR 50.36, Mississippi Power & Light Company (MP&L) is providing twelve copies of the Monthly Operating Report for Grand Gulf Nuclear Station Unit I for September, 1983 (Attachment).

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

Yours truly, b

v

. Dale s

Manager of Nuclear Services GWD/JGC:lm Attachments 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)

U.S. Nuclear Regulatory Commission Region II 101 Marietta St., N.W.,

Suite 2900 Atlanta, Georgia 30303 Chief (w/2)

Office of Resource Management U.S. Nuclear Regulatory Commission Il Washington, D.C.

20555 CD1 Member Middle South Utilities System