Text

Monthly Operating Rept for Sept 1987
	ML20235Z160
Person / Time
Site:	Duane Arnold
Issue date:	09/30/1987
From:	Hannen R, Miller L; IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	; NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
	DAEC-87-1007, NUDOCS 8710200637
	Download: ML20235Z160 (7)
	v • d • e

......,.. _

y OPERATING DATA REPORT I

DOCKET NO. 050-0331 DATE 10-15-87 COMPLETED fly Lonnte Miller TELEPHONE 319-851-7204 OPERATING STATUS Notes

1. Unit Name Duane Arnold Energy Center

2. Reporting Period September, 1987

3. Licensed Thermal Power (MWt): 1658

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

5. Design Electrical Rating (Net MWe): 538

6. Maximum Dependable Capacity (Gross MWet 54 5

'7. Maximum Dependable Capacity (Not MWe)s 515

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

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

10. Reasons For Restrletlons, If Any 1

i This Month Yr-to Oate Cumu lat ive

11. Hours in Reporting Period 720 6551 110999

12. Number of Hours Reactor Was Critical 720 3845.7 78516

13. Reacter Reserve Shutdown Hours 0

0 192.8

14. Hours Generator On-Line 720 3714.6 76455.2

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 1134621.6 5210239.2 97292432.6

17. Gross Electrleal Energy Generated (MWH) 382500 1763254 32621339

18. Not Electrleal Energy Generated (MWH) 361323.8 1655544.7 30560344.8

19. Unit Service Factor 100 56.7 68.9

20. Unit Availability Factor 100 56.7 68.9

21. Unit Capacity Factor (Using MDC Net) 97.4 49.1 53.5

22. Unit Capacity Factor (Using DER Net) 93.3 47.0 51.2

23. Unit forced Outage Rate 0

19.9 15.2

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

~

None 8710200637 870930 PDR ADOCK 05000331 R

PDR

25. If Shut Down At End of Report Period, Estimat ed Date Of Startup s s

(9/77 )

t/i

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AVERAGE DAILY UNIT POWER LEVEL p..

DOCKET NO. 050-0331 UNIT Duane Arnold Energy Center DATE 10-15 87 COMPLETED BY Lonnie Miller TElf. PHONE 319-851-7204-MONTH-September, 1987 DAY-AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 531 17 525 2

521 18 528 3

521 19 533' 4

532 20 482 5

507 21 528 j

'6 347 '

22 529 7

507 '

23 531 8-499 24 530 9

275 25 533

'l0 488 26 530 11-517 27 510 12 510 28 502 13 464 29 499 14 '

527' 30 501 IS L 524 16 525 INSTRUCTIONS On this format, list the average daily, unit power level in MWe-Net for each day in the reporting month. Compute the naarast whole megawatt, i

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L, DOCKET NO. 030-0331 UNIT Duane. Arnold Energy Canter-

.DATE 10-15-87 L

COMPLETED BY Lonnte Miller TELEPHONE 319-851-7204 pv REFUELING INFORMATION

+

14 Name ~ of facility.

A.

Duane Arnold Energy Center

' 2,.

Scheduled date'for next refueling shutdown.

A' Fall,'1988 3

Scheduled'date for restart following refueling.

A.

Fall, 1988 4.

.Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? N/A Scheduled date(s) for submitting proposed licensing action 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

' procedures.

None 7

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

A.

a)-

368 b) 824 8

Thu present licensed spent fuel pool storage capacity and the size of 1

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

b A.

2050 9

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

A.

1998

' IF..

I 1

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y DOCKET NO. 050-0331 UNIT Dueno Arnold Energy Cantor

.e' OATE 10-15-87 COMPLETED BY Lonnie Miller TELEPHONE 319-851-7204 i

i NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE 9-1-87 At-the beginning of ~ the month the Duane Arnold Energy Center (DAEC) was operating at approximately 100% of rated thermal power with 531 MWe-net being supplied to the grid.

At 1321 hours0.0153 days 0.367 hours 0.00218 weeks 5.026405e-4 months while performing a surveillance test the RCIC room deluge system was found to be Inoperable, thus putting

~ the plant in a 14 day Limiting Condition for Operat*on (LCO).

This system was' declared operable 9-4-87 at 2209 hours0.0256 days 0.614 hours 0.00365 weeks 8.405245e-4 months following corrective maintenance, ending the 14 day LCO.

9-3-87 At 0751 hours0.00869 days 0.209 hours 0.00124 weeks 2.857555e-4 months , with the plant in power operation, the Reactor Water Cleanup j

(RWCU) system was taken out-of-service'to allow maintenance on an RWCU lsolation valve (M02740).

During maintenance, the valve was inadvertently de-energized open without entering a 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months LCO.

The cause of the event was personnel error on the part of utility licensed operators who de-energized the valve in the open position without entering an LCO.

The personnel involved were counseled.

(LER 87-026) 9-10-87 With the plant in power operation, a Primary Containment isolation System (PCIS) valve cycled to.Its closed position because of.a loss of power.

The cause was determined to be a loose connection at the power supply breaker.

The power was restored after nine minutes had passed when the closed breaker switch was touched while investigating the.lsolation.

The terminal connections were later tightened.

(LER 87-027) i 9-17-87 At 0723 hours0.00837 days 0.201 hours 0.0012 weeks 2.751015e-4 months a 7 day LCO was entered when the Diesel fire pump was taken i

out-of-service for planned maintenance.

At 1930 hours0.0223 days 0.536 hours 0.00319 weeks 7.34365e-4 months the pump was returned to service, ending the 7 day LCO.

9-22-87 At 2122 hours0.0246 days 0.589 hours 0.00351 weeks 8.07421e-4 months a 7 day LCO was entered when two River Water Supply (RWS) pumps were taken out-of-service.

On 9-23-87 at 1411 hours0.0163 days 0.392 hours 0.00233 weeks 5.368855e-4 months the RWS pumps were declared operable, ending the 7 day LCO.

9-28-87 At 1954. hours a 7 day LCO was entered when the diesel fire pump was taken out-of-service to perform corrective maintenance.

At 1430 hours0.0166 days 0.397 hours 0.00236 weeks 5.44115e-4 months on 9-30-87, following corrective maintenance, the pump was declared operable, I

ending the 7 day LCO.

9-30-87 At the end of the month the plant was operating at 93% of rated thermal

~

power (due to work on the condensate domineralizers) wIth 501 MWe-net being supplied to the grid.

__________________a

i n

Iowa Electric Light and Power Company October 15, 1987 DAEC-87-1007 U. S. Nuclear Regulatory Commission gg

)

ATTN: Document Control Desk d

l Washington, D. C.

20555

[] [j oo CD c)

Subject:

Duane Arnold Energy Center i

Docket No. 50-331 3>

[@

Op. License DPR-49 yp September,1987 Monthly Operating Report x:

Dear Sirs:

L Please find enclosed the Duane Arnold Energy Center Monthly Operating Report for September,1987. The report has been prepared in accordance wt ch the guidelines of Regulatory Guide 1.16 and distribution has been made in accordance with DAEC Technical Specifications, Section 6.11.1.c.

trul

ours,

+

Rick annen Plant Superintendent - Nuclear Duane Arnold Energy Center RLH/LM/go*

Enclosures File A-118d cc:

Mr. A. Bert Davis Mr. Phillip Ross Regional Administrator U. S. Nuclear Regulatory Commission Region 111 Maryland National Bank Building U. S. Nuclear Regula tory Commission Washington, D. C.

20555 (2) 799 Roosevelt Road Glen Ellyn, IL 60137 (1)

NRC Resident Inspector Mr. Anthony J. Cappucci Mr. Dennis Murdock Project Manager Central lowa Power Cooperative BWR Project Directorate #2 Box 2517 U. S. Nuclear Regulatory Commission Cedar Rapids, IA 52406 7920 Norfolk Avenue Bethesda, MD 20814 Mr. Russ Gamble Corn Belt Power Cooperative INPO Records Center 130013th Street North 1100 Circle 75 Parkway Humboldt, IA 50548 Suite 1500 Atlanta, GA 30339 e'#

f 1

I g i

Duane Arnold Energy Center

32'? DAEC Hoad

Pala, Jona 52324

319 M17611

ML20235Z160

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