ML20076H949

Monthly Operating Rept for May 1983

ML20076H949
Person / Time
Site:	Duane Arnold
Issue date:	06/15/1983
From:	Andersen M, Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
DAEC-83-431, NUDOCS 8306200223
Download: ML20076H949 (9)

Text

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OPERATING DATA REPORT DOCKET NO. 050-0331 DATE 6-15-83 COWLETED Bf Matt Andersen T ELEPHONE 319-851-7308 OPERATING STATUS l Notes

1. Unit Name Duane Arnold Energy Center

2. Reporting Period May. 1983 l

3. Licensed Thermal Power (MWt):

1658

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

5. Design Electrical Rating (Net MWe): 538

6. Msximum Dependable Capacity (Gross MWe): 545 l

7. Msximum Dependable Capacity (Not MWe):

515

8. If Cnanges Occur in Capacity Ratings (items Number 3 Througn 7) Since the Last Report, Give Reasons:

9. Power Level to Which Restricted, if Any (Not MWe):

10. Reasons For Restrictions, if Any:

This Month Yr-to-Date Cumulat ive

11. Hours in Reporting Period 744.0 3623.0 73007.0 l

12. Number of Hours Reactor Was Critical 626.1 1636.8 51893.1

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. H>urs Generator On-Li ne 572.8 1583.5 50518.7

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MtH) 684825.6 1882761.6 62252281.6

17. Gross Electrical Energy Generated (MWH) 226890.0 636935.0 20851852.0

18. Not Electrical Energy Generated (MlH) 212104.6 594014.1 19508286.5

19. Unit Service Factor 77.0%

43.75 69.25

20. th it Ava i la bI ll ty Fa ctor 77.0%

43.75 69.2%

21. Unit Capacity Factor (Using MDC Net) 55.4%

31.8%

51.9%

22. (mit Capacity Factor (UsIng DER Net) 53.0%

30.5%

49.7%

23. Unit Forced Outage Rate 0.0 0.0 17.4 l

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

[-

Refuellna commenced on February 12, 1983

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

eTurbine Rating: 565.7 MWe Generator Rating: 663.5 (MVA) x.90 (Power Factor) = 597 MWe (9/77 )

8306200223 830615 PDR ADOCK 05000331 R

PDR

AVERAGE DAILY UNIT POWER LEVEL DOCET NO. 050-0331 UNIT Duane Arnold Eneray Center DATE June 15, 1983 COFLETED Bf htt Andersen TELEPHONE 319-851-7308 M) NTH May, 1983 DAY AVERAGE DAILY POWER LEVEL DAY AERAGE DAILY POWER LEVEL (M We-Ne t)

(M We-Net) 1 0

17 462 2

0 18 500 3

0 19 478 4

0 20 509 5

0 21 494 6

0 22 416 7

24 23 499 8

24 24 528 9

158 25 494 10 178 26 497 11 200 27 481 12 273 28 474 13 312 29 440 l

14 320 30 443 15 364 31 469 16 418 INSTRUCTIONS On this formet, list the average daily unit power level in MWe-Net for each day in the reporting conth. (bnpute to th> nearest whole megawatt.

(9/77) i

UNIT SHUTDO"NS AND PO ER REDUCTIONS Dscast No.

050-0331 Unit Nc=s Duano Arnold Energy Cmeter Dato Juno 15, 1983 REPORT MONTH May, 1983 Completed by Matt Andersen Telephone 319-851-7308 1o

% 7t Licensee Cause & Corrective No.

Date oO "c

v!$

Event En Action to

- e 0

0 75 Report #

Prevent Recurrence ES S

es5 NS 3 w E

Z o

O o

o 5

830212 S

146.1 C

1 N/A N/A N/A Scheduled refuellag shutdown (since Feb. 12, 1983) 6 830507 S

25.1 B

1 N/A N/A N/A Unit taken off-line for scheduled turbine overspeed trip testing i

1 2

3 4

F: Forced Reason:

Method:

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

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

Event Report (LER) File (NUREG-D-Regulatory Restriction 4-Other(Explain) 0161)

E-Operator Training & License Examination F-Administrative 5

G-Operational Error (Explain)

Exhibit 1-Same Source (9/77)

H-Other(Explain) i

Docket No. 055-0331 Unit Duene Arnold Energy Ctr Date June 15, 1983 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 identified.

5 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, un revi ew ed design or performance analysis methods, significant changes in fuel design, new operating p rocedu res.

None 7

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

A.

a) 368 b) 576 8

The present licensed spent fuel pool storage capacity and the size o f a ny increase in licensed storage 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 th e spent fuel pool assuming the present li censed capacity.

A.

7998

Dackot No.

050-0331 Unit Du nm Arnold Enorcy Cr*a t e r Dato Junn 15, 1983 MAJOR SAFETY RELATED MAINTENANCE Completed by Matt Andersen Telephone 319-851-7308 DATE I

SYSTEM I

COMPONENT l

DESCRIPTION 5-1-83 l C RD Hydraulle l S V-18 40A, B; SV-1870 I

Valves rebuilt per NRC Bulletin 78-14 5-2-83 I Containment Atmospheric Control l IC-219-B Replaced ma i n air pump and replaced gaseous channel detector.

l 5-2-83 Feedwater V-14-1 Replaced regulator on "B"

f eedwate r l

l l

testable check valve.

5-4-83 HPCI l Turbine During inspection of the HPCI turbine during the outage, all reversing l

l chambers were replaced, new go ve r n o r control box installed and new oil and l

filters replaced.

5-5-83 Neutron Monitoring l Power Supply 53 Zener Diode replaced. LPRM by p a s s indications cleared and APRM C&D inop I

l trips reset.

(See Narrative S u m ma ry )

5-5-83 l Main Steam isolation & ADS l PSV-4402 Replaced ma i n body and torqued to requirement.

I I

5-17-83 RHR Service Water Strainer 1S-908 Flow orifice upstream of blowdown valve l

I l

cleaned after strainer AP (15 psig) would not decrease by blowdown.

l l

(See Narrative Summary) 5-23-83 l RHR Service Water l Strainer 15-908 Drive motor cou p l i ng shear pins i

installed.

(R0 83-17 pending)

I 5-23-83 Control Bldg. H&V IV-AD-31A Installed new operator.

l l

5-24-83 HPCI PCV-2293 Diaphragm replaced and original setting l

l restored.

5-24-83 I HPCI l Turbine Recalibrated speed circuit.

(R0 85-18 pending)

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I Document No.

055-0331 Unit Duane Arnold Energy Ctr Date June 15, 1983 Completed by Matt Anderson Telephone 319-851-7308 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE 5-1-83 Reactor in cold shutdown (refueling outage continuation).

5-3-83 Reactor scram due to spurious Scram Discharge Volume high water level signal generated during testing.

Reactor power in Source range.

5-4-83 Reactor was critical at 2145 hours0.0248 days <br />0.596 hours <br />0.00355 weeks <br />8.161725e-4 months <br />.

5-5-83 Reactor scram at 1018 hours0.0118 days <br />0.283 hours <br />0.00168 weeks <br />3.87349e-4 months <br /> due to power supply failure on APRM D and inop LPRMs on APRM C.

Reactor was critical at 1642 hours0.019 days <br />0.456 hours <br />0.00271 weeks <br />6.24781e-4 months <br />.

5-6-83 Reactor placed in Run mode at 2359 hours0.0273 days <br />0.655 hours <br />0.0039 weeks <br />8.975995e-4 months <br />.

5-7-83 At 0204 hours0.00236 days <br />0.0567 hours <br />3.373016e-4 weeks <br />7.7622e-5 months <br />, main generator on-line and loaded to 25 MWe.

At 1110 hours0.0128 days <br />0.308 hours <br />0.00184 weeks <br />4.22355e-4 months <br />, shutdown commenced for scheduled turbine overspeed testing.

j At 1206 hours0.014 days <br />0.335 hours <br />0.00199 weeks <br />4.58883e-4 months <br />, main generator off-line.

At 1338 hours0.0155 days <br />0.372 hours <br />0.00221 weeks <br />5.09109e-4 months <br />, tests completed, Mode Switch transferred to Startup.

5-8-83 Reactor was critical at'0550 hours0.00637 days <br />0.153 hours <br />9.093915e-4 weeks <br />2.09275e-4 months <br />.

Reactor placed In Run mode at 1115 hours0.0129 days <br />0.31 hours <br />0.00184 weeks <br />4.242575e-4 months <br />.

At'1312 hours0.0152 days <br />0.364 hours <br />0.00217 weeks <br />4.99216e-4 months <br />, main generator on-line.

5-17-83 Voluntary 7-day LCO entered to clean RHR Service Water strainer; RHR Service Water tech specs met before and after maintenance.

7-Day LCO ended at 2052 hours0.0238 days <br />0.57 hours <br />0.00339 weeks <br />7.80786e-4 months <br /> after functional operability tests completed satisfactorily.

l 5-23-83 At 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />, B RHR Service Water pump strainer 1S-908 drive motor coupling i

shear pins found sheared due to debris Jamming strainer (7-day LCO commenced).

RO 83-17 Pending i..

At 0325 hours0.00376 days <br />0.0903 hours <br />5.373677e-4 weeks <br />1.236625e-4 months <br />, HPCI system dolcared inop due to flow (3000 gpm) below tech spec requirements and an oil leak found In HPCI aux. oil system (7-day LCO commenced).

RO 83-18 Pending

Dockct No. 055-0331 Unit Duenn Arnold Energy Ctr Dato Juno 15, 1983 Completed by Matt Andersen Telephone 319-851-7308 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE 5-23-83 At 1340 hours0.0155 days <br />0.372 hours <br />0.00222 weeks <br />5.0987e-4 months <br />, RHR Service Water 7-day LCO ended after functional (cont) testing completed satisfactory and system returned to service.

5-24-83 '

Indication for RWCU system valve MO-2701 found deenergized and breaker was found open.

RO 83-19 Pending 5-25-83 At 0654 hours0.00757 days <br />0.182 hours <br />0.00108 weeks <br />2.48847e-4 months <br />, HPCI system operable ending 7-day LCO.

During performance of Instrument AC and Battery Bus surveillanca tests, relay 27-y21 contacts were sticking and relay did not drap out on first undervoltage test.

This relay provides indication only.

RO 83-20 Pending 5-27-83 At 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br />, both 02/H2 analyzers declared inop.

Commenced controlled shutdown per tech specs (LCO).

RO 83-21 Pending At 1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br />, "A" 02 analyzer operable, LCO terminated, reactor power decrease stopped.

5-28-83 "B" SFU surveillance tests identified operability problems (7-day LCO commenced).

RO 83-23 Pending 5-29-83 At 2230 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.48515e-4 months <br />, "B" SFU operability tests completed satisfactory ending 7-day LCO.

I 0 /H2 analyzer declared operable.

5-30-83 "B" Containment 2

5-31-83 Reactor in normal operation at 349 MW:.

i i

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6 4

Iowa Electric Light and Ibwer Company June 15,1983 DAEC-83-431 Director, Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Attn:

Document Control Desk

Subject:

Monthly Operating Report File: A-118d, TE-5

Dear Sirs:

Please find enclosed 12 copies of the Duane Arnold Eb.eNghCenter Monthiy Operating Report for May,1933.

The report has been prepared in accordance with the requirements of Regulatory Guide 1.16 and distribution has been made in accordance with 9egulatory Guide 10.1 and Tech'nical Specification 6.11.1.c.

s E

Very truly yburs,

\\

'[DanielL.MineckpgQ 3

s m

P1 ant Superintendent - Nuclear j s

s

'^

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Duane Arnold Energy Centep

1. 1WA

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4 Enclosures 3

cc: Director, Office of Inspection' Mr. Phillip Ros s 3

and Enforc5fient n

U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission Maryland National Bank Bldg.

s Region III Vashington, D. C.

20555 799 Roosevelt Road Glen Ellyn, IL 60137

,(l' )

NRC Resident Inspector.

s 1

Director, Office of Managemdit add Mr. Dennis Murdocki Program Analysis "

Central Iowa Power Cooperative s

U. S. Nuclear Reg'ulatory Commi:sion Marion, IA 52302 Washington, D. C.' 20555 (1) 1

\\

Mr. George Toyne; Gen. Mgr.

'=

U. S. Nuclear Regulatory Commission Corn Belt Power Cooperative ATTN: Mr. Frank Apicella Box 508

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Phillips Bldg. Mail 416 Humboldt, IA 50548 Washington, D. C. 20555 4

INP0 Records' Center

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g Atlanta, GA 30339 ouane unora ene,y center. r.a sox ass. ccaar inapiar ioka s;Ioe. auiks,re11 1' s

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