AECM-84-0534, Monthly Operating Rept for Nov 1984

Monthly Operating Rept for Nov 1984

ML20101G621
Person / Time
Site:	Grand Gulf
Issue date:	11/30/1984
From:	Cesare J, Dale L MISSISSIPPI POWER & LIGHT CO.
To:	Deyoung R NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
AECM-84-0534, AECM-84-534, NUDOCS 8412270575
Download: ML20101G621 (9)

Text

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Attachment to AECM-84/0534 Page 1 of 8 y )'

OPERATING DATA REPORT 50-416 DOCKET NO. T2/15/84 DATE COMPLETED BY J. G. Cesare TELEPHONE (601T o60-2585 OPERATING STATUS otes

1. Unit Name:

Grand Gul f Nur l onr 91 nt-inn

2. Reporting Period:

November 1984

3. Licensed Thermal Power (MWt):

3333 1372.5

4. Nameplate Rating (Gross MWel:

1250

5. Design Electrical Rating (Net MWe):

NA

6. Maximum Dependable Capacity (Gross MWe):

NA

7. Maximum Dependable Cap. city (Net MWe):

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 MWel:

10. Reasons For Restrictions.lf Any:

Power Ascension Testinn This Month Yr..to-Date Cumulatise 720 hrs 993 993

11. Hours In Reporting Period 627.5 hrs 841.6 841.6

12. Number Of Hours Reactor has Critical 13. Reactor Resene Shutdown Hours 531.0 600.2 600.2

14. Hours Generator On Line

15. Unit Resene Shutdown Hour, 16. Gross Thermal Energy Generated 1MWHI 584,093 MWh 734,460 734,460

17. Gross Electrical Energy Generated (MWHI 147,930 MWh 157,570 157,570

18. Net Electrical' Energy Generated (MWHi 132,140 MWh 140,075 140,075

19. Unit Senice Factor NA NA NA NA NA NA

20. Unit Availability Factor NA NA NA

21. Unit Capacity Factor (Using MDC Net, NA NA NA

22. Unit Capacity Factor (Using DER Net)

NA NA NA

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Oier Next 6 Months (T pe.Date.and Duration of Each1:

3 April,1965 4-6 week outage for surveillance, SRV lubricant changeout and implementation of NUREG 0588 requirements.

December 11, 1984

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

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

Forecast Achieved INITIA L CRITICA LITY 08/18/82 INITI AL ELECTRICITY 10/20/84 COMMERCI AL OPERATION 03/85 L

b 8412270575 841130 M

("!771 PDR ADOCK 05000416 l

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Attachmeht to AECM-84/0536 INSTRUCTIONS FOR COMPLETING OPERATING DATA REPORT Page 2 of 8 Th 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 mitruction corresponds to theitem number of the report fonnat.

1. UNIT NAME. Self-explanatory.

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

2. REPORTING PElllOD. 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 t

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 iGROSS MW,). The nameplate power designation of the turbine. generator in megavolt

13. REACTOR RESERVE SHUTDOWN HOURS. The total superes (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.

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.

in Unit Shutdowns for the generator outage hours, should

7. MAXIMUM DEPENDABLE CAPACITY (NET MW,).

Maximum dependable capacity (gross) less the normal

15. UNIT RESERVE SHUTDOWN HOURS. The t 11 num-station service load.

ber of hours expressed to the nearest tenth of an hour G. Self explanatory.

during the gross hours of the reporting period that the unit was removed from service for economic or similar reas ns 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).

restrictions on the power level are m, 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 reporting period. expressed 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 Plant Status 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 IMWH).

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 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.

11. HOURS IN REPORTING PERIOD. For urats in power

19. For units still in the startup and power ascension test ascension at the end of the period, the gross hours from

23. phase. items 19 23 should not be computed. Instead. enter the beginning of the period or the first electrical prM.uc-N/A in the current month column. These live factors tion, whshever 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 m the second and third columns should be based period, the gross hours from the beginning of the period on commercial operation as a starting date.

@ 56l1

4 Attechment to AECM-84/0534 Page 3 of 8 19.~ UNIT SERVICE FACTOR. Compute by dividing hours the generator was on line (item 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 repordng 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 prodcct 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.

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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 Unita 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 NFXT 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 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 rpd power ascension test status and is not required for t. nits 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 i

power far a sustained period and completion of war.

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

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

usually related to the satisfactory completion of quali.

l fication tests as specified in the purchase contract and to the secounting policies and practices of the utility.

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m Attachment to AECM-84/0534 AVERAGE DAILY UNIT POWER LEVEL Page 4 of 8 DOCKET NO.

50-416 1

UNIT 12/15/84 DATE COMPLETED BY J. G. cesare TELEPHONE (601) 969-2585 MONTH November 1984 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net)

(MWe-Net ) 220 g7 2 Ig 348 422 3

g9 168 409 4

20 5

160 21 412 153 522 6

22 152 387 7

23 148 178 8

24 149 9 25 151 10 26 163 1i 27 210 161 519 12 28 13 159 29 157 14 30 189 I$

3, 16 198 INSTRUCTIONS On this format. fist the average daily unit power leselin MWe Net for each day in the reporting man':.. Compute to the nearest whole megawatt.

(9/77)

M NET NO.

UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME DATE 12/15/84 COtFLETED BY J. G. Cesare REPORT MONTH November. 1984 TEL.EPHONE (6011 969-25R5 c

,$3 3

y E5 Licensee P,

• "1, Cause & Corsective g

No.

Ihle k

3g 4

2sE Event p

g{

Action to H

yZ j;gg Report a mO Prevent Recurrence c5 84-5 10/29/84 S

81.1-B 2

NA ZZ ZZZZZ (Continued from last report) The reactor was manually scrammed to com-plete the first phase of power ascen-sion testing. A maintenance outage followed to modify the main steam by-pass to condenser dump spargers for improved draining.

84-6 11/24/84 F

60.8 H

3 84-052 SJ STC Reactor scrammed on low water level during a planned shutdown. The 'B' feed pump was being manually control-led to decrease water level when it tripped on low suction. The 'B' feed-pump minimum flow controller has been tuned to be more responsive.

ENN I

3 4

F: Forced Reason:

Method:

Exhibit G -Instructions

$0E S: Scheduled A Equapment Fa lure (Explain) 1-Manual for Preparation of Data u$@

B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee o$$

C Refueling 3-Automatic Scram.

Event Repswi(LER) File iNLIREG.

mec "

D Regulatory Restriction 4-Other (Explain) 0161) m E-Operator Training & Ixense Examinatism g

F-Aderunistrative

• In accordance Goperational Error IExplain)

Exhibit I-Same Source 19/77) llother (Explain) with Nureg 1022

UNIT N!!JTDOWNS AND POWER REDUCTIONS T

E DATE I?/15/84 COMPLETED BY J.G. ('esa re REFORT MONTH November. 1984 TELEPHONE (601T 969-7545 e.

E E

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y 7i Licensee h

g*L Cause & Currective No.

Date

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Event p

g(1 Action to e

gT y

g Prevent Recurrence e pint se mu e

6 84-7 11/29/84 F

47.1 H

2 84-053 ZZ ZZZZZ Test equipment being used to perform a feedwater system test was incorrectly connected to the feedwater pumps whicl-caused a decrease in feedwater flow and reactor water level. An operator s

took manuc1 control of the feedwater pumps to stop the level decrease, how-ever, a rapid increase in feedwater flow caused the hotwell level to de-crease to the point where the conden-sate pumps tripped on low suction pressure. A manual scram was then initiated'. A training session empha-sizing the operation and use of start-up test equipment was held for all engineering personnel in startup test-ing. Modifications to the step gener-ator have been made to simplify setup Nk i

2 3

4 F: Forced Reason:

Method:

Exhibit C Instructions eOm S: Scheduled A-Equspment Fadure(Explain) 1-Manual for Preparation oI Data e a3 Er B Maintenance of Test 2 Manual Scram.

Entry Sheets for Licensee oR@

C Refueling 3 Automalie Scram.

Event Report (LER) File (NUREG-moo D-Regulatory Restriction 4-Other (Explain) 0161) o> d "

E-Operator Training & Ucense Emanunation

• g F-Administrative

• In accordance G-Operational Esror IExplain)

Exhibit I Same Source 19/77) llother(Explain) with Nureg 1022

O 50- m

[

DOCKET NO.

UNIT SHUTDOWNS AND POWER REDUC 110NS UNIT NAME I DATE 12/15/84 NM E U-REPORT MONTH November. 1984 TELEPHONE (Anti oAo_un5

~k 3?

3 Eh Licensee E t.

fe.

Cause & Corrective o-Action to

['3 No.

Date i

5g 4

.s j 5 Event g

Prevent Recurrence E

jgg Report 8 mO H

d 84-7 (continued) preparation and operation. The startup test procedure has been mod-ified to clarify the method of hookup and minimize the possibility of im-proper hookup in future tests.

e i

2 3

4 F: Forced Reason:

Method:

Exhibit G Instructions S: Scheduled A-Equipment Fiilure(Explain) l Manual for Preparation of Data j$R B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee

• g et 00 i$

3-Automatic Scram.

Event Report (LER) File (NUREC.

C Refueling D-Regulatory Restriction 4-Other (Explain )

0161)

"g[

osa E-Operator Training & License Examination

"' 8 $

5 F. Administrative

, In accordance T.xhibit I - Same Source

• y G-Operational Error (Explain) with Nureg 1022 g

(9/77)

II-Other (Explain)

Attachment to UNIT SHUTDOWNS AND POWER REDUCTIONS AECM-84/0534 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 #.

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 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 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 SYSTEM CODE. The system in which the outage or power reduction begins in one report period and ends in another.

~

an enny should be made for both report periods to be sure reduction originated sh'ould be noted by the two digit code of all shi.tdowns 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-for Licensee Event Report (LER) File (NUREG4161)-

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 as 770814. When a shutdown or significant power reduction from Exhibit I Instructions for Preparation of Data Entr>

begins m 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.

i 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 discover) 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 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.

signated XXXXXX. The code ZZZZZZ should be used for end of the report period 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 ienth of an hour to facilitate summation.

CAUSE & CORRECTIVE ACTION TO PREVENT RECUR-The sum of the total outage hours plus the hours the genera-tor was on line should equal the gross hours in the reporting RENCE. Use the column in a narrative fashion to amphfy or Penod.

expla n the circumstances of the shutdown or power reduction.

The column should include the specific cause for each shut.

down or significant power reduction and the immediate and REASON. Categorite by letter dengnation in accordance with the table appearing on the report form. If category 11 contemplated long term corrective action taken, if appropri-must be used. supply briet commentt ate. This column should also be used for a description of the major safety related corrective maintenance performed during METHOD OF SHUTTING DOWN THE REACTOR OR the outage or power reduction including an identification of REDUCING POWER.

Cateponte b) number designation the entical path activity and a report of any single release of radioactivit) 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 IEEll definitions of " Forced Partial Outage" and " Sche.

of the allowable annual values.

duled Partial Outag/ For these terms.1 I I usca a shange of For long textual reports continue narrative on separate paper l

30 %lW as the break pomi. For larger power reactors.30 M%

and reference the shutdown or power reduction foi tha l

b la O bil1Jl1 J 6'ilJngt* to wJrldill C\\PlJnJlloll-nJrfJtive.

19'77

]

MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi M

P. O. B O X 164 0. J AC K S O N. MIS SIS SIP PI 3 9 2 05 December 14, 1984 NUCLEAR LICENSING 8, SAFETY DEPARTMENT Mr. Richard C. DeYoung, Director Office of Inspection and Enforcement l

U. S. Nuclear Regulatory Commission Washington, D. C.

20555 l

Attention: Document Control Desk 1

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-29 File: 0260/L-835.0 Monthly Operating Report AECM-84/0534 In accordance with 10CFR50.36, Mississippi Power & Light Company (MP&L) is providing twelve copics of the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for November, 1984 (attachment).

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

Yours truly, F. Dale Director GWD/JGC:vog Attachment cc:

Mr. J. B. Richard (w/a)

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

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

Mr. G. B. Taylor (w/o) l Mr. J. P. O'Reilly, Regional Administrator (w/a) l U.S. Nuclear

• Regulatory Commission l

Region II j

101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30323 l

Chief (w/2)

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

Washington, D.C.

20555 4')-

l

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Member Middle South Utilities System L

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