AECM-86-0015, Monthly Operating Rept for Dec 1985

Monthly Operating Rept for Dec 1985

ML20140A510
Person / Time
Site:	Grand Gulf
Issue date:	12/31/1985
From:	Cesare J, Dale L MISSISSIPPI POWER & LIGHT CO.
To:	Taylor J NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
AECM-86-0015, AECM-86-15, NUDOCS 8601230135
Download: ML20140A510 (9)

Text

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Attachment to

. OPERATING DATA REPORT AECM-86/0015 l Page 1 of 8  !

l 4 DOCKET NO. 50-416 ,

DATE 01/13/86 i COMPLETED BY J. G. Cesare TELEPHONE (631) 969-2585 OPERATING STATUS

1. Unit Name: GGNS Unit 1 l Notes: l

2. Reporting Period: December 1985 l l

3. Licensed Thermal Power (MW 3833 Mwt l l

4. Nameplate Rating (Gross MW'):  : 1372.5 Mwe l l S. Design Electrical Rating (Ne)t MW ): 1250 Mwe l l

6. Maximum Dependable Capacity (GroIs MW ): 1157 Mwe l l

7. Maximum Dependable Capacity (Net MW )I 1108 Mwe l l

8. If Changes Occur in Capacity RatingI (Items Number 3 Through 7) Since Last

. Report. Give Reasons:

NA

9. Power Level To Which Restricted, If Any (Net MW ): NA

10. Reasons For Restrictions, If Any: NA l

i This Month Yr to Date Cumulative

11. Hours In Reporting Period 744 8760 10497

12. Number of Hours Reactor Was Critical 491.7 5715.1 6725.2 4 13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 365.1 5043.9 5747.0

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,144,774 15,016,353 15,956,493

17. Gross Electrical Energy Generated (MWH) 347,460 4,5i5,790 4,772,310 j 18. Net Electrical Energy Generated (MWH) 325,887 4,310,731 4,475,712

19. Unit Service Factor 49.1 61.0 61.0

20. Unit Availability Factor 49.1 61.0 61.0

21. Unit Capacity Factor (Using MDC Net) 39.5 54.2 54.2

22. Unit Capacity Factor (Using DER Net) 35.0 48.1 48.1

23. Unit Forced Outage Rate 27.9 10.3 10.3

26. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

The first refueling outage is presently scheduled for June 1986 and is under evaluation for deferment.

25. If Shut Down At End Of Report Period. Estimated Date of.Startup: 01/01/86

, 26. Units In Test Status (Prior to Commercial Operation).

Forecast Achieved INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84 COMMERCIAL CPERATION 07/01/85 l 8601230135 ADOCK851231 O p 16 1 PDR P D.,

l J13PCOM OPT DATA REPORT DEC - 1 R 1

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Attachment to AECM-86/0015 INSTRUCTIONS FOR COMPLETING OPERATING DATA REPORT

1. E*

T% report should be fumished each monthby licensees. The name and telephone number of the preparer should be provided in the designated spaces. The mstructions below are provided to assist licensees in reporting the data consistently. The number of t'ie mmucten 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 Grst. Adjustments in clock hours should be mtd; 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 HOUR 3 REACTOR WAS CRITICAL.

orized by the Nuclear Regulatory Commission. Show the total number of hours the reactor was critical

4. NAMEPLATE RATING (GROSS MW, p. The nameplate power designation of the turbine generator in megavoit 13. REACTOR RESERVE SHUTDOWN HOURS. The total amperes (MVA) times the nameplate power factor of the number of hours dunng 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.

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 Hours. 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.

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 far the generator outage hours, should eq al the gross hours i:1 the reporting period.

7 MAXIMUM DEPENDABLE CAPACITY (NET MW,).

Maximum dependable capacity (gross) less the normal station service loads. 15. UNIT RESERVE SHUTDOWN HOURS. The total num-ber of hours expressed to the nearest tenth of an hour

8. Self-explan. tory. Unn8 e Er 55 un t e repo*8 peM dat pe umt was remosed fro n service for economic or similar

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY - re85 n5 t was 8v3 8 f r peradon.

(NET MWe ). Note that this item is applicable only if restrictions on the power level are in effect. Short term 16. GROSS THERMAL ENERGY GENERATED (MWH).

tiess than one month) limitations on power level need The tW om of h dr m gply sym not be presented in this item. during the gross hours of the reporting period. expressed in megawatt hours (no decimals).

Since this information is used to develcp figures on capa-city lost due to restrictions and because most users of the 17. GROSS ELECTRICAL ENERGY GENEllATED (MWH).

" Operating Plant Status Report" are primarily interested The electrical cutput of the unit measured at the output in energy actually fed to the distribution sy: tem. it is terminals of the turbme generator during the gross hours requested that this figure be expressed in MWe Net in of the reporting 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 EhERGY GENERATED (MWH).

10. REASONS FOR RESTRICTIONS. IF ANY. If item 9 The gross electrical outpat 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-ecceptable. Cite references as appropriate. Indicate mal station service loads during the gross hours of the whether restrictions are self-imposed or are regulatory reportmg 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 postive 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 m power 19- For units still m the sta tup and power ascension test ace.sion at the end of the period, the gross hours from 23. phase. items 19 23 should not be computed. Instead. enter the aeginning of the penod or the first eleetrical produc. N/A m the current month column. These five factors sion, whichever comes last. to the end of the period. should be computed start ng at the time the unit is de-clared*to be in commere;al operation. The cumulatise For units in commercial operation at the end of the Ogures m the second md third columns should be based penod, the gross hours from the beginning of the penod on commercial operation as a starting date.

Attachment to

. AECM-86/0015 Page 3 of 8

19. UNIT SERVICE FACTOR. Compute by dividing hours the generator was on hne (item 14) by the gross hoursin the seporting period (item 11). Express as percent to the nearest tenth of a percent. Do not include reserve shut.

down h'ours 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 percene.

~1. UNIT CAPACITY FACTOR (USING hDC NF.T). Com.

pute by dividing net electrical energy generated (item 18) by the product of maximum dependable capuy (item

7) times the gross hours in the reportmi pened (iiem iI) .

Express as percent to the neares' tenth of a mrcent.

22. UNIT CAPACITY FACTOR (USING DFR NET). Com-pute as in item 21. substituting design electrical rating (item 5) for maximum deper.dable 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 hne (item 14) plus total forced outage bars (from the table in Unit Shutdowns and Pow er Reduct oris)

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 (refuehnF. 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 dunng which the unit is tested at succes.

sisely hiFher outputs. culminatinF with operation at full power for a sustamed period and compietion of war-ranty runs. Following this phase. the unit is generally considered by the utihty to be availab!c for commercial operation.

Date of COMMERCIAL OPERATION is defined as the date that the unit was declared by the utihty owner to be available for the regular production of electricity. ,

j usually related to the satisfactory completion of quah.

l fication tests as specified m the purchase contract and to the accounting polieres and practices of the utihi).

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Attachment to AECM-86/0015 AVERAGE DAILY UNIT POUER LEVEL Page 4 of 8

. DOCKET NO. 50-416 UNIT 1 DATE 01/13/86 COMPLETED BY J. G. Cesare TELEPHONE (601) 969-2585 MONTH December 1985 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MW -Net) (MW -Net) 1 0 17 1167 _

2 0 18 1187 3 0 19 516 4 0 20 0 5 0 21 0 6 0 22 0 7 0 23 0 8 0 24 503 9 0 25 1054 10 0 26 1076 11 65 27 1195 ,,

12 150 28 1211 13 224 29 1213 14 725 30 1028 15 910 31 576 16 994 i

l J13PCOM PWR LVL DECEMBER - 1

UNI T SHUIDOWNS AND POWE R REDUCT IONS DOCKET NO. 50-416 UNIT NAME 1 DAll COMPLETED BY 0E18t>

.I . C. Cesare f

HIPORT MONIH December TELEPHONE (601.) S67-l C 11 I l Method or Licensee Cause & Corrective No. Date Type Du ra t ion Reason Shutting Down Event System Component Action (1) Hours (2) Reactor Report # Code Code Prevent Recurrence I (3) (4) (5) l 1 l l I 85-23 10-13-85 S 237.8 l H 4 NA I NA NA Scheduled Maintenance Outage.

Major maintenance activities include: the performance of local Leak Rate Tests and the Integrated Leak Rate Test, the installation of high density fuel storage racks, modifications 1

i to the horizontal fuel t ra ns fe r system, modifications to Standby 4 l Service Water System B, modifications for Compliance with l NUREG 0588 requirements, and repa i rs to Standby Diesel Genera tor 11. Resta rt began at 1405 on 12/07/85.

' I i 1 2 3 4 F: Fo rced Reason: Nothod: Exhibit G - Instructions S: Scheduled A-Equipment Failure 1-Manual for Preparation of Data (Explain) 2-Manual Sc ram Entry Sheets f or Licensee B-Ma intenance or Test 3- Automa tic Scram Event Report (LER)

C-Refue1ing 4-Continued Iile (NUHEG-0161)

D-Regulatory Restriction 5-Reduced load E-Opera tor T ra ining & 6-Other Licensing Examination F-Administrative 5 G-Ope ra t i ona l E rro r Exhibit 1-Same Source (Explain)

H-Other (Expla in) *In accordance with NUREG 1022

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D res rt OQ O ct tb Dt U l n Us CD C' 29 O N (D MOD O rt CD w J13PCOM DEC SHTDWNS & PWR RDCT - 1 ug

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Uff!T SiluTDOWNS Afl0 POWER Rt DUCTIONS DOCKET No. 50-416 j

UNIT NAME 1 DATE QlfQbL86

• i COMPLETED BY R. Byrd TELEPHONE 601 _431-2149 REPORT 110 NTH December i I

,. Method of Licensee ! Cause & Corrective j No. Date Type Du ra t ion Reason Shutting Down ' Event System Component Action i

! (1) Hours (2) Reactor Report # Code Code Prevent Recurrence l (3) '

(4) (5) 4 t 85-24 12-11-85 F 19.3 A 5 NA SN NA The main turbine was manually

] tripped to repa i r a steam leak at a gasket on the "A" Moisture '

Separater Reheater second stago

, d ra in tank. ,

t 85-25 12/19/85 F 110.7 A '

2 NA SG. COND The plant was shutdown to repair i a main condenser tube leak. '

, Restart commenced on 12/22/85.

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' I I I i 1 2 3 4 F: Fo rced Reason: Mothod: Exhibit G - Instructions i S: Scheduled A-Equipment Failure 1-Manual f'or Prepa ra tion of Da ta (Explain) 2-Manual Sc ram Entry Sheets for Licensee B-Ma intenance or Test 3-Automatic Scram Event Report (LER) j 4 C-Refueling 4-Continued File (NUREG-0161)

D-Regulatory Restriction 5-Reduced load

E-Opera tor Tra ining & 6-Other ,

f Licensing Examination i F-Adm i n i s t ra t i ve 5

G-Operational E rro r Exhibit 1-Same Source j (Explain) m>>

02 t'1 "

1 H-Other ( Expla in) *In accordance with i

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) NUREG 1022 4 i n  ;

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, J13PCOM DEC SHTDWNS & PWR RDCT - 2 I

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UNIT SHUIDOWNS AND POWER REDUCIIONS DOCKET NO. _SQ-l16 ,

UNIT NAME 01/ : '/E6 DATE t COMPLEIED BY REPORT MONiil December TELEPHONE DMna5e383 I I Method of Licenseo I Cause & Corrective No. Date Type Du ra t ion Reason Shutting Down Event System IComponent Action (1) , Hours (2) Reactor Report # Code l Codo Prevent Recurrence (3) (4) F (5) 85-26 12/31/85 F 11.1 G 3 85-050 SD LT Faulty indication or condenser i hotwell level led to e hotwell low condensato level which caused I condensate pump trips. The loss I of the condensate pumps caused a reactor vessel low water level l automatic scram. Co rrec t i ve H ll l actions were to complete the fill ll

l l Of the instrument re fe rence legs j (which had begun prior to the trips) and to revise operator a la rm response instructions to improve operator response to I this shutdown.

1 1 2 3 4 F: Fo rced Reason: Method: Exhibit G - Instructions S: Scheduled A-Equipment Failure 1-Manual fo r P repa ra t i on o f Da ta (Explain) 2-Manual Sc ram Entry Sheets for Licensee B-Maintenance or Test 3-Automat ic Scram Event Report (LER)

C-Refueling 4-Continued File (NUHEG-0161)

D-Regulatory Restriction 5-Reduced load E-Ope ra to r T ra i n i ng & 6-Other Licensing Examination F- Admi n i s t ra t i ve 5 G-ope ra t iona l E rro r Exhibit 1-Same Source (Explain)

H-Other (Explain) aln ?ccordance with NUREG 1022

• c ra rn>>n S,$ n w cm :r mD 0 N (D m o :s O rt J13PCOM DEC SHTDWNS & PWR RDCT - 3 "Gno

Attachment to AECM-86/0015 UNIT SHUTDOWNS AND POWER REDUCTIONS Page 8 of 8 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 EVENT REPORT at 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 />) 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 shut down completelyl . For such reductions in power level, report number, occurrence code and report type) of the five the duration should be listed as zero,the niethod of reduction part 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 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 or describe the circumstances of the outage or power reduction. not a reportable occurrence was involved.) If the outage o-power reduction will not result in a reportab e occurrenre.

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

4 for that calendar year. When a shutdown or sigmficant power SYSTEM CODE. The systern in which the atage or power

reduction begins in one report penod and ends in another, ~

reduction originated sh'ould be noted by the two digit code of an entry should be made for both report penods to be sure all shutdowns or sigmficant power reductions are reported. Exhibit G Instructions for Preparation of Data Entry Sheets

. Until a unit has achieved its first power generation, no num- for 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 mdicate 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 l as 770814. When a shutdown or significant power reduction from Exhibit I - Instructions for Preparation of Data Entr>

) 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:

1 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:

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

4 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 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 s gnated XXXXXX. The code 777777 should be used for end of the report penod and pick up the ensuing down time 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-RENCE. Use the column in a narrative fashion to amplify or for was on line should equal the gross hours m the reporting expla n the circumstances of the shutdown or power reduction.

penod.

The column should include the specific cause for each shut-down or significant power reduction and the immediate and REASON. Cateponte by letter designation in accordance contemplated long term corrective action taken, if appropri-

with the table appearing on the report form. If category H must be used, supply briet comments.

ate. This column should also be used for a description of the major safet>-related corrective maintenance performed during METHOD OF SHUTTING DOWN THE REACTOR OR the outage or power reduction including an identification of REDUCING POWER. Categori/e by number designation the entical path activity and a report of any single release of radioactivity or single radiation exposure speettically associ-INote that this differs trom 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.

Juled Partial Outage! For these terms. El I uses a 6hange of For long textual reports continue narrative on separate paper 30 M% as the break romt. For larges power reactors.30 MW and reference the shutdown or power reducuon foi tha is IN hmJll J thange to wariant esplanaisoti. narrative F77

e. . a.

MISSISSIPPI POWER & LIGHT COMPANY

]

EmihbihMiddB Helping Build Mississippi P. O. B O X 16 4 0, J A C K S O N, MISSISSIPPI 39215-1640 January 15, 1986 NUCLE AR LICEN$ LNG & SAFETY DEPARTMENT Mr. James M. Taylor, 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-29 File: 0260/L-835.0 Monthly Operating Report AECM-86/0015 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 I for December, 1985 (attachment).

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

Yours truly, L. F. Dale Director WEC/JGC:vog Attachment cc: Mr. O. D. Kingsley, Jr. (w/a)

Mr. T. H. Cloninger (w/a)

Mr. R. E. McGehee (w/a)

Mr. N. S. Reynolds (w/a)

Mr. H. L. Thomas (w/o)

Mr. R. C. Butcher (w/a)

Dr. J. Nelson Grace, Regional Administrator (w/a)

U. S. Nuclear Regulatory Commission Region II 101 Marietta St., N. W., Suite 2900 Atlanta, Georgia 30323 lef (w/2) ,g srtice of Resource Management U. S. Nuclear Regulatory Commission ehl Washington, D. C. 20555 l J13AECM86011003 - 1 Member Middle South Utilities System