ML20080C234

Monthly Operating Rept for Jul 1983

ML20080C234
Person / Time
Site:	Duane Arnold
Issue date:	08/15/1983
From:	Mary Anderson, Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
DAEC-83-666, NUDOCS 8308190298
Download: ML20080C234 (7)

Text

OPERATING DATA REPORT DOCKET NO. 050-0331 DATE 8-15-83 COM'LETED BY mtt Andersen TELEPHONE 319-851-7308 OPERATING STATUS Notes

1. Unit Name Duane Arnold Energ y Center

2. Reporting Period Jul y, 1983

3. Licensed Thermal Power (Met):

1658

1. 4. Nameplate Rating (Gross Mie): 565 (Turbine Rating)

5. Design Electrical Rating (Net MWe): 538

6. Msximum Dependable Capacity (Gross Mfe): 545

7. 2ximin Dependable Capacity (Net MWe):

513

8. If Changes Occur in Capacity Ratings (ltems Number 3 Through 7) Since the Last Report, Give Reasons:

9. Power Level to Which Restricted, if An y (Net MWe):

10. Reasons For Restrictions, if An y:

This enth Yr-to-Date Cumulative

11. Hours in Reporting Period 744.0 5087.0 74471.0

12. Number of Hours Reactor Was Critical 731.7 2531.3 52787.6

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 717.8 2391.1 51326.3

15. Unit Reserve Shutdom Hours 0.0 0.0 0.0

16. Gross Thermal Energ y Generated (MdH) 1010851.2 3009499.2 63379019.2

17. Gross Electrical Energy Generated (Met) 334790.0 1010148.0 21225065.0

18. Net Electrical Energy Generated (MdH) 313805.4 943803.5 19858075.9

19. Unit Service Factor 96.5%

47.0%

68.9%

20. Unit Availability Factor 96.5%

47.0%

68.9%

21. Unit Capacity Factor (Using MM Net) 81.9%

36.0%

51.8%

22. Unit Capacity Factor (Using DER Net) 78.4%

34.5%

49.6%

23. Unit Forced Outage Rate 3.5%

21.5%

18.0%

24. Shutdowis Scheduled Over Next 6 mnths (Type, Date, and Duration of Each):

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

1. Turbine Rating: 565.7 MWs Generator Rating: 663.5 ( WA) x.90 (Power Factor) = 597 MWe xm

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-0331 UNIT Duane Arnold Energ y Center DATE August 15, 1983 COMPLETED BY Nhtt Anderson TELEPHONE 319-851-7308 MDNTH J ul y, 1983 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

( MWe-Net)

( MWe-Net) 1 150 17 478 3

21 18 481 3

356 19 487 4

378 20 491 5

453 21 493 6

448 22 490 j

7 451 23 507 8

445 24 495 9

452 25 512 10 459 26 512 11 472 27 505 12 469 28 500 13 479 29 500 14 489 30 504 15 495 31 502 16 478 INSTRUCTIONS On this format, list the average dall y unit powr level in Mde-Net for each day in the reporting month. Compute to the nearest thole megatett.

(9/77)

UNIT SHUTDO!JNS AND POMER REDUCTIONS Dockot No.

050-0331 Unit Naco Duano Arnold Encrgy Canter Dato August 15, 1983 REPORT MONTH J u l y, 1983 Completed by Matt Andersen Telephone 319-851-7308-n L

0

+ cn +

Licensee Cause & Corrective c-n 0 E 5

37*

Event 5,

Action to

~

. N a.

.Date e

,n S

s5c Report #

Prevent Recurrence e o e

L. r e

em a

>. o eo s-a:

x o

mo oo o

a o

i 9

830701 F

26.2 A

3 N/A N/A N/A Reactor scram on high pressure due to b ypa s s valve fluctuations.

1 i

i k

f 4

j 1

2 3

4 l

F:' Forced Reason:

Method Exhibit G-Instructions j

S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-RefueIIng 3-Automatic Scram.

Event Report (LER) File (NUREG D-Regulatory Restriction 4-Other(Explain) 0161) 1 E-Operator Training & License Examination F-Ad mi n i strat i ve -

5 G-Operational Error (Explain)

Exhibit 1-Same Source (9/77)

H-Ot h e r ( Ex p l a i n )

Doc kst No. 050-0331 Unit Dueno Arnold Energ y Ctr Date August 15, 1983 Completed b y Matt Anderson Telephone 319-851-7308 REFUELING INFORhMTION 1

Name of f acilit y.

r 1

A.

Duane Arnold Energ y Center f

2 Scheduled date for next refueling s h utd o wn,

f A.

Fall, 1984 i

3.

Scheduled date for restart f ol lo wi ng ref uel i ng.

A.

Fall 1984 I

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

I None currentl y identified.

5 Scheduled date(s) for submitting proposed licensing action and supporting Information.

N/A 1

i f

6 Important licensing considerations associated with refueling, e.g., now or different fuel design or supplier, u n rev l e wed design or performance ana l ys i s method s, significant changes in fuel design, new operating procedures.

t None t

7 The number of fuel assemblies (a) in the core and (b) In-the spent fuel storage pool.

l A.

a) 368 b) 576 8

The present licensed spent fuel pool storage capacity and the s i ze o f l

an y increase in.llconsed storage capacit y that-has been requested or is planned, In number of.f uel assemblies, t

i A.

2050 9

The projected date of the last refueling.that can be discharged to the spent fuel pool assuming the present licensed.capacit y.

A.-

1998

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Doc k;t Ns.

050-0331 Unit D u r n a A r n't I d Err rg y Cpnt' r D:ts August 15, 1983 MA J O R SAFETY RELATED MA I N T E N A NC E Completed by Matt Andersen Telephone 319-851-7308 DATE SY ST E M CO MPO N E N T DESCRIPTION 7-1-83 HPCI HPCI Turbine Replaced governor actuator.

7-13-83 RHR 3/4"-HLE-13 Pipe support installed.

(R0 83-024) 7-18-83 Control Building Heating and 1Y-CH-1B "B"

chiller was charged with Ventilation 375 psi of freon, ki ng valve and oil p i c k-u p valves adjusted and 3-wa y val ve rebuilt.

7-18-83 Emergenc y Po wer 1G-31 Retightened Amphenol connector on speed s wi tch.

(RO 83-016 pending) 7-18-C3 480 Volt Motor Control Center B rea ker 1B-3401 Cleaned contact and spring on bell (LPCI Injection valves) alarm rel a y.

The failure could have prevented LPCI Injection valves, after transferring from one emergenc y po wer division to the second, from transferring bac k to the first in the event the second po wer division had become Inoperable.

7-20-83 250 Volt ID42 Batter y Charger Replaced zener diode.

(R0 83-025 pending)

Doc kst No. 050-0331 Unit Duenn Arnold Energ y Ctr Date August 15, 1983 Completed b y Ma t t Andersen Telephone 319-851-7308 NARRATIVE S U MMARY OF OPERATING EXPERIENCE 7-1-83 Plant in normal operation at 231 MWe.

At 1650 hours0.0191 days <br />0.458 hours <br />0.00273 weeks <br />6.27825e-4 months <br />, reactor scram on high pressure due to b ypass valve fluctuations.

7-2-83 At 0507 hours0.00587 days <br />0.141 hours <br />8.382936e-4 weeks <br />1.929135e-4 months <br />, reactor critical.

At 1904 hours0.022 days <br />0.529 hours <br />0.00315 weeks <br />7.24472e-4 months <br />, main generator on-line.

7-4-83 Commenced dropping po wer a t 1517 hours0.0176 days <br />0.421 hours <br />0.00251 weeks <br />5.772185e-4 months <br /> to less than 80% while pulling rod 22-23 to correct FPAPDR.

At 1632 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20976e-4 months <br />, FPAPDR = 0.997, began increasing po wer with recirc f lo w.

7-8-83 Normal operation at 395 MWe.

7-11-83 Engineering anal ysis concluded that 3/4" pipe HLE-13 could experience stress in excess of ASME code design a l l o wa b l o s but that stress wo u l d not exceed ultimate strength.

(R0 83-024) 7-16-83 Normal operation at 504 MWe.

7-18-83 During surveillance testing, diesel generator IG-31 declared inoperable (R0 83-016).

1G-21, although f ull y operable, experienced problems meet ing AS ME Section XI on the associated diesel fuel transfer pump flow.

The transfer pump was fully operable as well, ho wev e r.

7-20-83 During wee kl y batter y chec ks, 250 VDC batter y ID-4 voltage was tow and declared inop.

(R0 83-025 pending) 7-22-83 During surveillance testing, reactor l o w-l o w water level Indicating s witch LIS-4535 tripped out-of-specification.

(R0 83-026 pending) i 7-23-83 Normal operation at 510 MWe.

i 7-31-83 Normal operation at 508 MWe.

6 Iowa Electric Light and Pbwer Company August 15, 1983 DAEC 666 Director, Office of Inspection and Enforcement U. S. Nuclear Regulatory Comission Washington, D. C.

20555 Attn:

Document Control Desk

Subject:

Duane Arnold Energy Center Docket No. 50-331 Op. License DPR-49 July, 1983 Monthly Operating Report

Dear Sirs:

Please find enclosed 12 copies of the Duane Arnold Energy Center Monthly i

Operating Report for July, 1983. The report has been prepared in accordance with the guidelines of Regulatory Guide 1.16 and distribution has been made i

in accordance with DAEC Technical Specifications, Appendix A, Section 6.11.1.c and Regulatory Guide 10.1.

Very truly yours,

\\

Daniel L. Mineck P1 ant Superintendent - Nuclear Duane Arnold Energy Center DLM/MWA/pf*

Enclosures 4

File A-118d, TE-5 cc:

Director, Office of Inspection Mr. Phillip Ross and Enforcement U. S. Nuclear Regulatory Comission U.. S. Nuclear Regulatory Comission Maryland National Bank Bldg.

Region III Washington, D. C.

20555 799 Roosevelt Road Glen Ellyn, IL 60137 (1)

NRC Resident Inspector Director, Office of Management and Mr. Dennis Murdock Program Analysis Central Iowa Power Cooperative l

U. S. Nuclear Regulatory Comission Parion, IA 52302 Washington, D. C. 20555 (1) l Mr. George Toyne, Gen. Mgr.

U. S. Nuclear Regulatory Comission Corn Belt Power Cooperative ATTN: W. Frank Apicella Box 508 Phillips Bldg. Mail 416 Humboldt, IA 50548 Washington, D. C. 20555 INPO Records Center N

l 1100 Circle 75 Parkway i

Suite 1500

/l At1 an t a, GL,n}Q,@d energy center. r.o. sos ass. cedarinapids, towa s24os. 3istas1.re s l

\\

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