ML20064E745

Monthly Oper Rept for Oct 1978

ML20064E745
Person / Time
Site:	Duane Arnold
Issue date:	11/13/1978
From:	Van Sickel J IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:
Shared Package
ML112340072	List: ML20064E745
References
NUDOCS 7811210394
Download: ML20064E745 (7)

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OPERATING DATA REPORT

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DOCKET NO. 050-0331 DATE 11-13-78 COMPLETED BY J. Van Sickel TELEPHONE 3'9-851-5611 OPERATING STATUS Duane Arnold Enerov Center Notes

1. Unit Name:

October, 1978

2. Reporting Period:

3. Licensed Thermal Power (MWt):

1658

• 4. Nameplate Rating (Gross MWe): 565 (Turbine latino)

5. Design Electrical Rating (Net MWe): 538

6. Maximum Dependable Capacity (Gross MWe): 646

7. Maximum Dependable Capacity (Net MWe): 515

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

9

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

10. Reasons For Restrictions.If Any:

This Month Yr to.Date Cumulative 745 7,296 32.856

!!. Hours la Reporting Period 0 3,058.8 23,612.8

12. Number Of Hours Reactor was Critical 0 0- 0

13. Reactor Reserve Shutdown Hours

~ 14. Hours Generator On.Line 0 2.904.3 22,987 ~

0 0 0 l 15. Unit Reserve Shutdown Hours l 16. Gross Thermal Energy Generated (MWH) 0 3.956,424 28.061.640

17. Gross Electrical Energy Generated (MWH) 0 1,307.325 9.337,429

18. Net Electrical Energy Generated (MWH) 0 1.227.561 8,716,300 Ot 39.8% 70.0%

19. Unit Service factor

20. Unit Availability Factor 0% 39.8% 70.0%

21. Unit Capacity Factor (Using MDC Net)

- 0% 32.7% 51.5%

0% 31.3% 49.3%

22. Unit Capacity Factor (Using DER Net) 100% 53.9% 16.4%

23. Unit Forced Outage Rate

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

L c.

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

• Turbine Rating: 565.7 MWe Generator Rating: 663.5 (MVA) x .90 (Power Factor) = 597 MWe . .

781121oSf1 4 9--

(4/77)

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AVERAGE DAILY UNIT POWER LEVEL l

- DOCKET NO. 050-0331

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UNIT nuane Arnold Ener Cen DATE 11-13-78  %

COMPLETED BY J. Van Sickel .

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TELEPHONE 319 R51-5611 l

i MONm October, 1978 DAY AVERAGE DAILY POWER LEVEL DAY AVERACE DAILY POWER LEVEL

. (MWe-Net) gy we.3 ,gg 1 0 37 n 2 0 33 0 0 0 3 1, 0 0 4 20 0

5 21 0 0

6 y 0 1

0 y O 8 0 0 24

, 0 ,

, 0 0

10 26 O _

0 11 27 0 0

12 :s 0 13 0 0 29 14 0 30 n 15 0 31 0 16 0 i IN57 RUCTIONS On this format, list the average daily unit power level in MWe. Net for each day in the reporting month. Compute to the nearest whole megawatt.

(9/77) e

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DOCKET NO. 050-0331 UNIT SilU1 DOWNS AND POWER REDUCTIONS UNIT NAME Duane Arnold Energy Cent.

DATE 11-13-78 COMPLETED BY J Van Sickel REPORT MONTil October.1978 TELEPilONE 319-851-5611 u

1o c E*,

.E E };I } .y } Licensee {%

3 Cause & Corrective No. Daic h gg e 3 a: Event y? go ' Action to ,

H aE 5 jiji g Report # mO g Prevent Recurrence 6

12 780617 F 745 A 3 78-030 . CB PIPEXX Continuation of previous shutdown to replace recirculation system inlet nozzle safe e.r,ds.

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I 2 3 4 F: Forced Reason: Method: Exhibit G . In:f ructions S: Scheduled A Equipment Failure (Explain) 1 Manual for Preparation of Data B-Maintenance of Test 2 Manual Scram. Entry Sheets for Ucensee C Refueling 3 Automatic Scram. Event Report (LER) File (NUREG.

D-Regulatory Resiriction 4-Other (Explain) 0161)

E-Operator Training & Ucense Examinathki ,

F Administrative 5 G-Operational Error (Explain) Exhibit i . Same Somce .

Il-Other (Explain) I (9/77)

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.1 i ) 'n.oina henniirnormChnt

- _ Generating Statistics for month of October.19J7.8 for (name ~

0 o'f un t 565 _ Gros;i Nh generated in month N Gross he rated capacity 11.054.794 -

Maximum gross Ne permitted by license (.if less than 100*') ,

Cumulative gross Ne generated from initial startup to 'end h ofh month evitne, i n3 e*

Primary reasons for any substantial down time shutdown t6'ren1 fee r nozzle safe ends. 745 0 _ forced __

745 _ Scheduled _

Total length of outages __

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, etw-Atomstrom-Statistik 8

atw-Statistics of Nuclear Power Generation Month, Monat: October 1978 o,nma ..e tot o,o,,

Hours.on procuce sne r

• 'pr oc line dunne start-up at

• durhg the '"**"'" '"*"*"*" nemers, 9 I **a'" g.,onc ,r , g Name of Nuclear Power Plant Name des Kernkraftwerks B'""ljtrggu m

. e, rg g,,Caesg,Bmuyng g seit snoott;en.

wenrend ces wahrend ces nahme am i Wonats Monats I MWn MWh 0 0 11,054,79z Shutdown fo Arnold-1 _ repairs t

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1 9 e. g. Shutdown for nefuoting (t). Maintonanco C). Ropeles (3) (Ylme) l 1) 3. B. Sinistand durcti Oronnstoffwediaal (1). wartung Gl. Roperaturen (3) (Zottraum) r- 1 I

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Docket No. 050-0331 Unit' Dunnn Arnolet rne'rnv Center Date November iJ. 19/8 Completed,by .1. van c;i smi Telephone 319_ns1_5411 i

NARRATIVE SUM 1ARY OF OPERATING ~ EXPERIENCE Ro significant operational events occurred during October. The plant remained in the cold shutdown condition with all fuel removed from the reactor to facilitate replacement of all eight recirculation system inlet nozzle safe ends. .

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T Docket No. 050-0331 Unit nerann Arnnld Fnornv rnnte Date Nnvomhor 13.197A" HAJOR SAFETY RELATED MAINTENANCE fe{e ea9_s1kki .

DATE SYSTEM COMPONENT DESCRIPTION 10'-2-78 Primary Containment Suppression chamber water level Recalibrated instrumentation to conform

, instrumentacion to design change l

10-11-78 Containment Atmospheric TR 4368A Recalibrated temperature recorder

, Control 10-16-78 Standby diesel generaton 1G-21 Changes generator bearing oil i .

10-18-78 Control rod drive 34-39 select switch Replaced switch electrical

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PEfDCLING INFORMATION Docket No. 050-0331

. Unit Duane Arnold Energy Cent Date November 13, 19,8 Completed by J. Van Sickel

1. Name of facility. _ Telephone 319-851-5611 A. Duane Arnold Energy Center._ .

2. Scheduled date for next refueling chutdown.

A. Unknown. Under review due to present extended outage.

3. Schedul'ed date for restart following refueling. '

A. Unknown. Under review due to present extended outage. -

4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? .

A. MCDR and MAPLHGR operating limits as derived from transient and accident -

nalyses.

5. Scheduled date(s) for submitting' proposed licensing actlon and supporting information. ,

A. Unknown.

6. Important licensing considerations associated with refueling, e.g.,

new or different fuel design or supplier, unreviewed design or per-formance analysis methods,.significant changes in fuel design, new operating procedures.

A. .The reload will consist of up to 100 8 x 8 2 water rod bundles.

7. The number of fuel assemblies (a) in the core end (b) in the spent

. fuel storage pool. .

A. a) 0 b) 644 / .

J.

8. The present licensed spent fuel pool stnrage capacity and the size

, of any increase in licensed stcrage capacity that has been requested or is planned, in number of fuel assemblies.

A. 2050

9. The projected date of the last refueling that can be discharged to the spent ~ fuel pool assuming the present licensed capacity. -

A. 1998 G

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