ML20079F149

Monthly Operating Rept for Dec 1983

ML20079F149
Person / Time
Site:	Duane Arnold
Issue date:	12/31/1983
From:	Andersen M, Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
DAEC-84-21, NUDOCS 8401180117
Download: ML20079F149 (7)

Text

W OPERATING DATA REFORT DOCKET NO. 050-0331 DATE 1-13-84 COMPLETED BY Matt Andersen TELEPHONE 319-851-7308 OPERATING STATUS Notes

1. Unit Name Duane Arnold Energy Center

2. Reporting Period December, 1983

3. Licensed Thermal Power (MWt): 1658

84. Nameplate Rating (Gross MWe): 565 (Turbine Rating)

5. Design Electrical Rating (Net MWe): 538

6. Maximum Dependable Capacity (Gross MWe): 545

7. Maximum Dependable Capacity (Net MWe): 515

8. If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since the Last Report, Gl.'e Reasons:

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

10. Reasons For Restrictions, if Any: _

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.0 8760.0 78144.0

12. Number of Hours Reactor Was Critical _

744.0  % 78.7 55935.0

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 5507.5 54442.7

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1165312.8 7379042.4 67748562.4

17. Gross Electrical Energy Generated (MWH) 395781.0 2479140.0 22694057.0

18. Net Electrical Energy Generated (MWH) 373922.5 2324318.2 21238590.6

19. Unit Service Factor 100.0% 62.9% 69.7%

20. Unit Availability Factor 100.0% 62.9% , 69.7%

21. Unit Capacity Factor (Using MDC Net) 97.6% _

51.5% 52.8%

22. Unit Capacity Factor (Using DER Net) 93.4% 49.3% 50.5%

23. Unit Forced Outage Rate 0.0% 12.3% 17.3%

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

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 h 8401180117 832231 DR ADOCK 05000331 PDR

. AVERAGE DAILY UNIT PO%ER LEVEL DOCKET NO. 050-0331 UNIT Duane Arnold Energy Center DATE January 13, 1984 COMPLETED BY Matt Andersen TELEPHONE 319-851-7308 MONTH December 1983 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 510 17 514 2 508 18 492 3 510 19 509 4 440 20 509 5 507 21 511 6 508 22 511 7 507 23 505 8 466 24 506 9 515 25 506 10 486 26 490 11 457 27 472 12 509 28 511 13 509 29 510 14 480 30 513 15 509 31 508 16 512 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the report ing month. Compute to the nearest whole megawatt.

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. . Docket No. 050-0331 Unit Duane Arnold Energy Ctr Date January 13, 1964 Completed by Matt Andersen Telephone 319-851-7308 REFUELING INFORMATION

1 Name of facility.

A. Duane Arnold Energy Center

. 2. Scheduled date for next refueling shutdown.

A. Fall, 1984

3. Scheduled date for restart following refueling.

A. Fall 1984 4 Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?

None currently identitled.

5. Scheauled date(s) for submitting proposed lleensing actioa and supporting information.

N/A

6. Important licensing considerations associated-with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes _in fuel design, new operating proceduros.

i None 7 The number of fuel assemblies (a) In the core and (b) in the spent fuel storage pool.

A. a) 368 b) 576 8 The present licensed spent fuel p o o,I storage capacity and the size of

any increase in licensed storage capacity that has been requested or is l planneo, in number of fuel assemalles.

l A. 2050 1

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

A. 1998 i

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Dockot No. 050-0331 Unit Duano ArnoldEnnrgy Conter Dato January 13, 1984 MAJOR SAFETY RELATED MAINTENANCE Completed by Matt Andersen Telephone 3_19-851-7308 DATE SYSTEM COMPONENT DESCRIPTION 12-1-83 RPS EPA (82) Recallbrated under frequency setpoint and functional tested satisfactory (R0 83-046) 12-1-83 CRD hydraulle IP-2098 Pump center stage piece surface cleaned, aligned and filled bearing housings.

12-8-83 Main Steam isolation & ADS LIS-4532, 4534 Installed new 3-way valve manifolds.

.i

Dockot No. 050-0331

. Unit Duenn Arnold Energy Ctr

. Date January 13, 1984

Completed by Matt Andersen Telephone 319-851-7308 i

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE 12-1-83 Normal p l a nt operation at 545 AWo.

During surveillance testing, RPS EPA (B2) failed to trip output breaker at under frequency setpoint.

(RO 83-046) 12-2-83 At 0930 hours0.0108 days <br />0.258 hours <br />0.00154 weeks <br />3.53865e-4 months <br />, completed CAD functional test with satisfactory results; 7-day LCO ended.

12-5-83 Normal plant operation at 539 MWe.

At 0013 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br />, received 24 VDC (system A) trouble alarm. At 0022 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br />, received hi-hi alarms from the "A" process rad monitors, a 1/2 group 3 Isolation (channel A) and an auto initiation of the "A" SBGT system.

(RO 83-045) 12-8-83 Normal plant operation at 532 MWe.

12-13-83 Normal plant operation at 542 MWe.

12-18-83 Normal plant operation at 540 MWe.

4 12-20-83 During ASME In-service testing, inboard main steamline drain valve, MO-4423, exceeded 15 second maximum allowed closing-time.

(RO 83-047) 12-21-83 Normal plant operation at 543 MWo.

),

12-26-83 Normal plant operation at 486 MWo.

l 12-30-83 At 1715 hours0.0198 days <br />0.476 hours <br />0.00284 weeks <br />6.525575e-4 months <br />, process line flow was inadequate to containment j radiation mon! tor RE-81038 The monitor was declared inoperable and a 7-day LCO commenced due to redundant monitors being Inoperable.

(Ro 83-049 pending)

! 12-31-83 Normal plant operation at 544 MWo.

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Iowa Electric Light and Ibwer Company January 13, 1984 DAEC-84-21 Director, Office of Inspection and Enforcement 1 U. S. Nuclear Regulatory Commission i Washington, D. C. 20555 l

Attn: Document Control Desk l

Subject:

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

Dear Sirs:

Please find enclosed 12 copies of the Duane Arnold Energy Center Monthly Operating Report for December 1983. The report has been prepared in accordance with the guidelines of Regulatory Guide 1.16 and d W ribution has been made in accordance with DAEC Technical Specifications, Appendix A, Section 6.11.1.c and Regulatory Guide 10.1.

Very truly ours, Danie L. Mineck P1 ant Superintendent - Nuclear Duane Arnold Energy Center DLM/MWA/pf*

Enclosures File A-118d, TE-S cc: Director, Office of Inspection Mr. Phillip Ross and Enforcement U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission Maryland National Bank Bldg.

Region III Washington, D. C. 20555 l 799 Roosevelt Road l Glen Ellyn, IL 60137 (1) NRC Resident Inspector l

l Director, Office of Management and Mr. Dennis Murdock l Program Analysis Central Iowa Power Cooperative i U. S. Nuclear Regulatory Commission Marion, IA 52302 l Washington, D. C. 20555 (1) l Mr. George Toyne, Gen. Mgr.

l U. S. Nuclear Regulatory Commission Corn Belt Power Cooperative ATTN: Mr. Mohan Thadani Box 508 Washin t , . b5 INP0 Records Center 1100 Circle 75 Parkway Suite 1500 g\

Atlanta, GA 30339 Duane Arnold Energy Center o P.D. Box 351 e Cedar Rapids, Iowa 52406 e 31918517611