NG-96-1913, Monthly Operating Rept for Aug 1996 for DAEC

Monthly Operating Rept for Aug 1996 for DAEC

ML20129E569
Person / Time
Site:	Duane Arnold
Issue date:	08/31/1996
From:	Middlesworth G, Woodward R IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	Beach A NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NG-96-1913, NUDOCS 9610280095
Download: ML20129E569 (7)

Text

4

are Amoic Ere'qi Carter

.:77 CAEC Roaa

- D1.A 523:4

'eMonone 319 8517611 fax 319 8517611 UTILITIES September 13,1996 NG-96-1913 Mr. A. Bill Beach Regional Administrator Region III U.S. Nuclear Regulatory Commission 801 Warrenville Road Lisle, IL 60532-4351

Subject:

Duane Arnold Energy Center Docket No: 50-331 Operating License: DPR-49 August 1996 Monthly Operating Report File: A-118d l

Dear Mr. Beach:

Please find enclosed the Duane Arnold Energy Center Monthly Operating Report for August 1996. The report has been prepared in accordance with the guidelines of NUREG-0020 and distribution has been made in accordance with DAEC Technical Specifications, Section 6.11.1.c.

Very truly yours, I

as / $ ec l

Gary Van Middlesworth j Plant Manager-Nuclear l

GDV/RBW Enclosures j i

s i .

gyg #lw a 4':

280031 i

I An IEs Inclustnes Company

1

?. .

i f

Mr. A. Bill Beach NG-96-1713 September 13,1996 Page 2 of 2 ,

cc: .

l U.S. Nuclear Regulatory Commission Mr. Dennis Murdock Attn: Document Control Desk CentralIowa Power Cooperative Mail Station PI-37 Box 2517 l Washington, DC 20555-0001 (Orig.) Cedar Rapids,IA 52406 Mr. Glenn Kelly Dr. William A. Jacobs, Jr.

Project Manager GDS Associates,Inc.

1 Whiteflint North Suite 720 Mail Stop 13E21 1850 Parkway Place 11555 Rockville Pike Marietta, GA 30068-?237 Rockville, MD 20852 i

Document Control Desk Mr. Dale Arends INPO Records Center Corn Belt Power Cooperative

• l 700 Galleria Parkway 130013th Street North Atlanta, GA 30339-5957 Humboldt,IA 50548 l

l Ms. Lisa Stump - DOCU l Iowa State Utilities Board Lucas State Office Building NRC Resident Inspector  ;

Des Moines,IA 50319 l Mr. Fred Yost Mr. Al Gutterman '

Director, Research Services Morgan, Lewis, Bockius l Utility Data Institute 1800 M St. NW 1700 K St. NW, Suite 400 Washington, DC 20036-5859 Washington, DC 20006 l

I

l.' -

l OPERATING DATA REPORT DOCKET NO: 50-0331

, . DATE: 09/13/06 Unit: Duane Arnold Enerev Center COMPLETED BY: Richard Woodward TELEPHONE: (310) 851-7318 OPERATING STATUS I .

Average Daily Power Level

1. Unit Name

Duane Arnold Enerev Center l 500

2. Reporting Period: August.l.226 E 400 l Z j 3. Licensed Thermal Power (Mwth): 1618  ; 300 j l B 200  ;

4. Nameplate Rating (Gross MWe DER): 565.7 (Turbine) 2 100 l

l 0

5. Design Electrical Rating (Net MWe DER): 518 l 1 6 11 16 21 26 31 l l 6. Maximum Dependable Capacity (Gross MW e MDC): 510 l Day

7. Maximum Dependable Capacity (Net MW e MDC): 520 l

8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) since the last report, Give Reasons: N.o1  !

l I Aonticable l

9. Power Level to Which Restricted, If Any (Net Mwe ): Mal Aeolicable

10. Reasons for Restrictions,If Any: Not Aonlicable August-96 1996 Cummulative i 1. Hours in Reporting Period 744.0 5,855.0 189,191.0

12. Num'oer of Hours Reactor Was Critical 744.0 5,855.0 144,380.8

13. Reactor Reserve Shutdown Hours 0.0 0.0 192.8

14. Hours Generator On-Line 744.0 5,855.0 140,968.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1,224,978 1 9,255,041.7 198,516,256.1 l

l 17. Gross Electrical Energy Generated (MWH) 407,625.0 3,119,471.0 66,531,441.6

18. Net Electrical Energy Generated (MWH) 384,572.1 2,942,311.7 62,419,326.3

19. Unit Service Factor 100.0 % 100.0 % 74.5%

20. Unit Availability Factor 100.0 % 100.0 % 74.5 %

21. Unit Capacity Factor (Using MDC Net) 99.4 % 96.6 % 69.6 %

22. Unit Capacity Factor (Using DER Net) 96.1 % 93.4 % 66.6 %

23. Unit Forced Outage Rate 0.0% 0.0% 10.4 5

! 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each): Refueline. 10/11/96.30 I

dCS

25. If Shutdown at End of Feport Period, Estimated Date of Startup: N/A

.- AVERAGE DAILY UNIT POWER LEVEL

. DOCKET NO: 50-0331 DATE: 09/13/96 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 l

MONTH August 1996 Day Average Daily PowerIrvel (MWe-Net) 1 525.0 ,

2 521.9 I' 3 520.5 4 517.2 5 514.8 6 510.9 7 516.5 8 522.1 l 9 510.4 l 10 433.6 11 513.1

! 12 519.6 l I3 518.2 14 518.4 )

! 15 523.0  !

i 16 523.8 i l 17 521.7 18 519.9 i 19 518.8 20 518.5 21 514.3 22 516.7 23 523.3 24 523.8 25 522.6 26 522.3 27 522.4 28 520.7 29 523.7

, 30 523.7 31 522.5 I

l

, REFUELING INFORMATION DOCKET NO: 50-0331 DATE: 09/13/96

, . Unit: Duane Arnold Enerev Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318

1. Name of facility.

Duane Arnold Energy Center

2. Scheduled date for next refueling shutdown.

Refuel Outage XIV to begin October 11,1996.

3. Scheduled date for r, start following refueling.

l November 11,1996 l

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

Yes RTS 269, T.S. 3.7," Plant Containment Systems" RTS 288, T.S. 2.1,3.2, " Reactor Water Clean-up Systems Vessel Level Isolation Set-Point Change" RTS 290, T.S. 3.6, " Reactor Water Conductivity Limit Change in Table 3.6.B.2-1"

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

RTS 269, submitted December 22,1995 RTS 288, submitted January 18,1996, Approved Amendment No. 217 received August 8,1996 RTS 290, submitted July 5,1996 j 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.

l No

7. Current and projected fuel assemblies inventory:

Number of Fuel Projected date oflast l Assemblies refueling that can be discharged

! (after allowing margin for l maintenance of continuous full-core discharge capability)

Installed in t eactor core (following refueling) i 368 n/a Previously discharged from core to Spent Fuel Storage Pool i 1408 n/a i Discharged from core to Spent Fuel Storage Pool 1528 n/a (following Fall 1996 refueling)

installed capacity of Spent Fuel Storage Pool 2411 2001

Licensed Capacity of Spent Fuel Storage Pool (with reracking) ' 2829 2006 Licensed Capacity of Spent Fuel Storage Pool and Cask Pool 3152 2010 (with reracking) l

I DOCKET NO: 50-0331 ..

DATE- 09/13/96 ,

Unit: Duane Amold Enerev Center COMPLETED BY: Richard Woodward l TELEPilONE: 0 19) 851-7318 UNIT S11UTDOWNS AND POWER REDUCTIONS REPORTMONTII: August 1996 No. Date Type Duration Reason Method of Licensee Event System Code Comp. Code Cause (1) (flours) (2) Shutting Report # (4) (5)

Down Reactor (3) 10 August S 0 B 5 n/a n/a n/a Turbine Control Valve testing 10 - 12 (5.4 full- Control Rod Exercises power- Scram Solenoid Valve testing hours equivalent) -

1 - F: Forced 2 - Reason 3 - Method: 4 - Exhibit G-Instructions for S: Scheduled A-Equipment Failure (Explain) 1-Manual Preparation of Data Entry i B-Maintenance or Test 2-Manual Scram Sheets for Licensee Event C-Refueling 3-Automatic Scram Report (LER) File (NUREG-D-Regulatory Restriction 4-Continued 0161)

E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other(Explain) 5 - Exhibit 1 (Same Source)

G-Operational Error (Explain)

II-Other (Explain)

_ _ . _ _ . . . . _ . _ _ . . _ _ _ _ _ _ _ . _ _ . . _ . __ .___.__..__....____._.____..m.___._..__.__.m.._ _ _ _ _ . _ . . _ _ _ _ _ _ _ _ _ . _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ . _ _ . . _ . . _ _ _ _ . _ . _ . _ . . _ _ _ _ _ . _ _ . _ . .

l I DOCKET NO.: 50-0331 I

. DATE: 09/13/96 Unit: Duane Arnold Enerev Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 l Monthly Operational Overview for August 1996:

l i The DAEC operated at full thermal power throughout the month except:

I

( on August IG-ir, to perform scheduled Scram Time Testing, Turbine Control Valve Testing, and Control Rod Drive manipulations: 5.4 full-power-hours (equivalent) lost.

l on August 9,17,25,28 and 31, to reduce recirculation flow to withdraw a control rod.

1

! Total forgone production was the equivalent of 23.4 full-power hours of operation, including other small losses.

1 At the end of the month the Duane Arnold Energy Center had operated 453 consecutive days, its best-ever continuous operating run.

Allocation of Production & Losses: Electncal Capacity Factor Full Powei Output  % of 565.7 MWe Equivalent MWe (Design Gross Houn l Rating) i i

Actual Metered Net Electric Output 516.9 91.4 % 679.8 Actual Metered Plant Electric Loads 31.0 5.5% 40.8 Load Following 0.0 0.0% 0.0 l Off-Line 0.0 0.0% 0.0 Weather losses, ie., condenser pressure >2.75 in lig / Circ Water Temp > 74.5 "F 7.8 1.4% 10J Planned Capacity Losses: August 9,10-12,17,25,28 & 31 -

4.9 0.9% 6.5

! Unplanned Capacity Losses: none 0.0 -0.1 % 0.0 Normal Capacity Losses (Avg MWth < 1658) 0.6 0.1% 0.8 Metering Losses (Avg indic MWe - Avg MWile) 1.6 0.3% 2.1 Efficiency Losses (Weather-Norm-Full-Power-MWe < 565.7) 2.1 {Lin ,1,2 Design Grns: Electric Output 565 7 100 0% 7440 There were no Licensee Event Reports.

Licensine Action Summary:

Plant Availability: 100.0 % Unplanned Auto Scrams (while/ critical) this month: 0

Number of reportable events

0 Unplanned Auto Scrams (while/ critical)last 12 months: 0 l

l t

I