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Category:MONTHLY OPERATING ANALYSIS REPORT
MONTHYEARNG-99-1415, Monthly Operating Rept for Sept 1999 for Daec.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Daec.With NG-99-1226, Monthly Operating Rept for Aug 1999 for Duane Arnold Energy Center.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Duane Arnold Energy Center.With NG-99-1115, Monthly Operating Rept for July 1999 for Daec.With1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Daec.With NG-99-0963, Monthly Operating Rept for June 1999 for Daec.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Daec.With NG-99-0835, Monthly Operating Rept for May 1999 for Daec.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Daec.With NG-99-0682, Monthly Operating Rept for Apr 1999 for Duane Arnold Energy Center.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Duane Arnold Energy Center.With NG-99-0530, Monthly Operating Rept for Mar 1999 for Daec.With1999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Daec.With NG-99-0330, Monthly Operating Rept for Feb 1999 for Daec.With1999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Daec.With NG-99-0020, Monthly Operating Rept for Dec 1998 for Daec.With1998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Daec.With NG-98-2010, Monthly Operating Rept for Nov 1998 for Daec.With1998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Daec.With NG-98-1875, Monthly Operating Rept for Oct 1998 for Daec.With1998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Daec.With NG-98-1717, Monthly Operating Rept for Sept 1998 for Daec.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Daec.With ML20153B4141998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for DAEC NG-98-1389, Monthly Operating Rept for July 1998 for DAEC1998-07-31031 July 1998 Monthly Operating Rept for July 1998 for DAEC ML20236R3251998-06-30030 June 1998 Monthly Operating Rept for June 1998 for DAEC ML20249B5171998-05-31031 May 1998 Monthly Operating Rept for May 1998 for DAEC ML20247H9381998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for DAEC ML20216F6791998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for DAEC NG-98-0650, Monthly Operating Rept for Mar 1998 for Duane Arnold Energy Center1998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for Duane Arnold Energy Center NG-98-0398, Monthly Operating Rept for Feb 1998 for DAEC1998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for DAEC NG-98-0252, Monthly Operating Rept for Jan 1998 for Duane Arnold Energy Center1998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Duane Arnold Energy Center NG-98-0017, Monthly Operating Rept for Dec 1997 for Duane Arnold Energy Center1997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Duane Arnold Energy Center NG-97-2118, Monthly Operating Rept for Nov 1997 for DAEC1997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for DAEC NG-97-1959, Monthly Operating Rept for Oct 1997 for DAEC1997-10-31031 October 1997 Monthly Operating Rept for Oct 1997 for DAEC NG-97-1781, Monthly Operating Rept for Sept 1997 for Duane Arnold Energy Center1997-09-30030 September 1997 Monthly Operating Rept for Sept 1997 for Duane Arnold Energy Center ML20217C3491997-08-31031 August 1997 Revised MOR for Aug 1997 for DAEC ML20210V1851997-08-31031 August 1997 Monthly Operating Rept for Aug 1997 for DAEC NG-97-1452, Monthly Operating Rept for July 1997 for DAEC1997-07-31031 July 1997 Monthly Operating Rept for July 1997 for DAEC NG-97-1258, Monthly Operating Rept for June 1997 for DAEC Per GL 97-021997-06-30030 June 1997 Monthly Operating Rept for June 1997 for DAEC Per GL 97-02 NG-97-1033, Monthly Operating Rept for May 1997 for Duane Arnold Energy Center1997-05-31031 May 1997 Monthly Operating Rept for May 1997 for Duane Arnold Energy Center NG-97-0894, Monthly Operating Rept for Apr 1997 for Duane Arnold Energy Ctr1997-04-30030 April 1997 Monthly Operating Rept for Apr 1997 for Duane Arnold Energy Ctr NG-97-0674, Monthly Operating Rept for Mar 1997 for Duane Arnold Energy Ctr1997-03-31031 March 1997 Monthly Operating Rept for Mar 1997 for Duane Arnold Energy Ctr NG-97-0453, Monthly Operating Rept for Feb 1997 for Duane Arnold Energy Center1997-02-28028 February 1997 Monthly Operating Rept for Feb 1997 for Duane Arnold Energy Center NG-97-0308, Monthly Operating Rept for Jan 1997 for Duane Arnold Energy Center1997-01-31031 January 1997 Monthly Operating Rept for Jan 1997 for Duane Arnold Energy Center NG-97-0059, Monthly Operating Rept for Dec 1996 for Duane Arnold Energy Center1996-12-31031 December 1996 Monthly Operating Rept for Dec 1996 for Duane Arnold Energy Center NG-96-2647, Monthly Operating Rept for Nov 1996 for Duane Arnold Energy Center1996-11-30030 November 1996 Monthly Operating Rept for Nov 1996 for Duane Arnold Energy Center NG-96-2447, Monthly Operating Rept for Oct 1996 for Duane Arnold Energy Center1996-10-31031 October 1996 Monthly Operating Rept for Oct 1996 for Duane Arnold Energy Center NG-96-2166, Monthly Operating Rept for Sept 1996 for DAEC1996-09-30030 September 1996 Monthly Operating Rept for Sept 1996 for DAEC NG-96-1913, Monthly Operating Rept for Aug 1996 for DAEC1996-08-31031 August 1996 Monthly Operating Rept for Aug 1996 for DAEC NG-96-1713, Monthly Operating Rept for Jul 1996 for DAEC1996-07-31031 July 1996 Monthly Operating Rept for Jul 1996 for DAEC NG-96-1481, Monthly Operating Rept for June 1996 for Duane Arnold Energy Ctr1996-06-30030 June 1996 Monthly Operating Rept for June 1996 for Duane Arnold Energy Ctr NG-96-1298, Monthly Operating Rept for May 1996 for Duane Arnold Energy Center1996-05-31031 May 1996 Monthly Operating Rept for May 1996 for Duane Arnold Energy Center NG-96-1055, Monthly Operating Rept for Apr 1996 for Duane Arnold Energy Center1996-04-30030 April 1996 Monthly Operating Rept for Apr 1996 for Duane Arnold Energy Center NG-96-0825, Monthly Operating Rept for Mar 1996 for DAEC1996-03-31031 March 1996 Monthly Operating Rept for Mar 1996 for DAEC NG-96-0624, Monthly Operating Rept for Feb 1996 for DAEC1996-02-29029 February 1996 Monthly Operating Rept for Feb 1996 for DAEC NG-96-0320, Monthly Operating Rept for Jan 1996 for DAEC1996-01-31031 January 1996 Monthly Operating Rept for Jan 1996 for DAEC ML20096C3101995-12-31031 December 1995 Monthly Operating Rept for Dec 1995 for Duane Arnold Energy Ctr NG-95-3516, Monthly Operating Rept for Nov 1995 for Duane Arnold Energy Ctr1995-11-30030 November 1995 Monthly Operating Rept for Nov 1995 for Duane Arnold Energy Ctr NG-95-3235, Monthly Operating Rept for Oct 1995 for Duane Arnold Energy Ctr1995-10-31031 October 1995 Monthly Operating Rept for Oct 1995 for Duane Arnold Energy Ctr NG-95-3057, Monthly Operating Rept for Sept 1995 for Duane Arnold Energy Ctr1995-09-30030 September 1995 Monthly Operating Rept for Sept 1995 for Duane Arnold Energy Ctr 1999-09-30
[Table view] Category:TEXT-SAFETY REPORT
MONTHYEARML20217H8991999-10-18018 October 1999 SER Approving Licensee Requests for Relief NDE-R001 (Part a & B),NDE-R027,NDE-028,NDE-R029,NDE-R030,NDE-R032 & NDE-R035. Relief Request NDE-036,denied & Relief Request NDE-R-034, Deemed Unnecessary NG-99-1415, Monthly Operating Rept for Sept 1999 for Daec.With1999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Daec.With ML20212H2381999-09-22022 September 1999 Safety Evaluation Supporting Amend 228 to License DPR-49 NG-99-1226, Monthly Operating Rept for Aug 1999 for Duane Arnold Energy Center.With1999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Duane Arnold Energy Center.With NG-99-1115, Monthly Operating Rept for July 1999 for Daec.With1999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Daec.With NG-99-0963, Monthly Operating Rept for June 1999 for Daec.With1999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Daec.With ML20195G9901999-06-0909 June 1999 Safety Evaluation Supporting Amend 227 to License DPR-49 NG-99-0835, Monthly Operating Rept for May 1999 for Daec.With1999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Daec.With ML20206N7551999-05-13013 May 1999 Safety Evaluation Accepting GL 95-07, Pressure Locking & Thermal Binding of Safey-Related Power-Operated Gate Valves NG-99-0682, Monthly Operating Rept for Apr 1999 for Duane Arnold Energy Center.With1999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Duane Arnold Energy Center.With NG-99-0530, Monthly Operating Rept for Mar 1999 for Daec.With1999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Daec.With ML20207G0251999-03-0303 March 1999 SER Concluding That Licensee Established Acceptable Program to Verify Periodically design-basis Capability of safety- Related MOVs at Duane Arnold & That Licensee Adequately Addressed Actions Requested in GL 96-05 NG-99-0330, Monthly Operating Rept for Feb 1999 for Daec.With1999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Daec.With ML20202B4311999-01-26026 January 1999 Safety Evaluation Accepting Request for Approval to Use ASME Code Case N-508-1 in ISI Program for Duane Arnold Energy Ctr ML20202B3851999-01-26026 January 1999 Safety Evaluation Addressing Thermo-Lag Related Ampacity Derating Issues.Ampacity Derating Analysis Results Acceptable NG-99-0020, Monthly Operating Rept for Dec 1998 for Daec.With1998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Daec.With ML20206N3211998-12-0707 December 1998 Final Part 21 Rept Re Piston Failure of MSIV Actuator at Daec.Rept Indicates That No Reportable Defect Exists,Per 10CFR21 NG-98-2010, Monthly Operating Rept for Nov 1998 for Daec.With1998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Daec.With ML20196F9571998-11-24024 November 1998 Rev 20 to QA Program Description,Ufsar 17.2 for Daec NG-98-1875, Monthly Operating Rept for Oct 1998 for Daec.With1998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Daec.With NG-98-1767, Cyclic Rept of Facility Changes,Tests & Experiments,Fire Plan & Commitment Changes,For Period from 970301-980930. with1998-09-30030 September 1998 Cyclic Rept of Facility Changes,Tests & Experiments,Fire Plan & Commitment Changes,For Period from 970301-980930. with NG-98-1717, Monthly Operating Rept for Sept 1998 for Daec.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Daec.With ML17354B0971998-09-0909 September 1998 Part 21 Rept Re Possible Machining Defect in Certain One Inch Stainless Steel Swagelok Front Ferrules,Part Number SS-1613-1.Caused by Tubing Slipping Out of Fitting at Three Times Working Pressure of Tubing.Notified Affected Utils ML20153B4141998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for DAEC NG-98-1389, Monthly Operating Rept for July 1998 for DAEC1998-07-31031 July 1998 Monthly Operating Rept for July 1998 for DAEC ML20236X5321998-07-29029 July 1998 Safety Evaluation Re USI A-46 Program Implementation for Plant ML20236W0021998-07-29029 July 1998 Safety Evaluation Accepting Request for Relief NDE-R020 Re Third 10-yr ISI Interval of Plant,Per 10CFR50.55a(a)(3(i) ML20236S2541998-07-14014 July 1998 Special Rept 98-01:on 980629,diesel-driven Fire Pump Was Inoperable for Greater than Seven Days.Caused by Sheared Off Tie Rods on Accessory Drive End of Engine.Evaluated Condition,Procured Parts & Replaced Tie Rods ML20236R3251998-06-30030 June 1998 Monthly Operating Rept for June 1998 for DAEC ML20249B5171998-05-31031 May 1998 Monthly Operating Rept for May 1998 for DAEC ML20247P5651998-05-18018 May 1998 Part 21 Rept Re Model SA-A101 MSIV A' Actuator Showing Evidence of Internal Leakage,In Both Directions Past Pneumatic Piston.Situation Being Reviewed to Determine If Failure Could Pose Substantial Safety Hazard ML20247K1881998-05-0808 May 1998 Rev 0 to Cycle 16 COLR, for May 1998 ML20247H9381998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for DAEC ML20217K7251998-04-16016 April 1998 Correction to SE of Relief Request MC-R001 Re Qualification Requirements for non-destructive Exam Personnel Performing Containment Insp ML20216J9171998-04-16016 April 1998 Safety Evaluation Accepting Relief Request MC-R001 for First 10-yr Interval of Containment Insp Program Per 10CFR50.55a (a)(3)(ii),per 971219 Request ML20217K0471998-04-0101 April 1998 Safety Evaluation Authorizing Proposed Alternative in Relief Request NDE-R004 for Plant Third 10-yr ISI Interval,Based on Finding That Compliance W/Code Would Result in Hardship W/O Compensating Increase in Level of Quality & Safety ML20217H8831998-04-0101 April 1998 Safety Evaluation Supporting Request for Relief for Third ISI Program ML20216F6791998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for DAEC NG-98-0650, Monthly Operating Rept for Mar 1998 for Duane Arnold Energy Center1998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for Duane Arnold Energy Center ML20217F8841998-03-23023 March 1998 Safety Evaluation Accepting Third 10-yr Inservice Insp Interval Program Plan Requests for Relief for Plant NG-98-0398, Monthly Operating Rept for Feb 1998 for DAEC1998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for DAEC ML20199L3481998-01-31031 January 1998 Rev 0 to Duane Arnold Energy Ctr Emergency Action Level (EAL) Technical Basis Document NG-98-0252, Monthly Operating Rept for Jan 1998 for Duane Arnold Energy Center1998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Duane Arnold Energy Center ML20249B3391997-12-31031 December 1997 Central Iowa Power Coopertive 1997 Annual Rept ML20249B3351997-12-31031 December 1997 1997 Annual Rept for Corn Belt Power Cooperative ML20249B3331997-12-31031 December 1997 1997 Annual Rept for Alliant Corporation NG-98-0017, Monthly Operating Rept for Dec 1997 for Duane Arnold Energy Center1997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Duane Arnold Energy Center NG-97-2118, Monthly Operating Rept for Nov 1997 for DAEC1997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for DAEC ML20199J6841997-11-21021 November 1997 SER Approving Relief Requests to Second 10-year Inservice Inspection Interval for Duane Arnold Energy Center NG-97-1959, Monthly Operating Rept for Oct 1997 for DAEC1997-10-31031 October 1997 Monthly Operating Rept for Oct 1997 for DAEC 1999-09-30
[Table view] |
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W g UTILITIES ALLI ANT tr.s veihiie,inc.
Duane Arnold Energy Center IES Utilities . 32n DAEC Road Palo, IA $2324-9785 8 Oflice: 319.851.761i Fax: 319.85L7986 www.alhant-energy.com i
NG 99-0020 l,
Mr. James E. Dyer
' Regional Administrator RegionIII U.S. Nuclear Regulatory Commission 801 Warrenville Road i
Lisle,IL 60532-4351
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Subject:
Duane Arnold Energy Center DocketNo: 50-331 l Operating License: DPR-49 l December 1998 Monthly Operating Report l File: A-118d l
Dear Mr. Dyer:
Please find enclosed the Duane Arnold Energy Center Monthly Operating Report for December 1998. The ieport has been prepared in accordance with the guidelines of NRC Generic Letter 97-02: Revised Contents Of The Monthly Operating Report, and distribution has been niade in accordance with DAEC Technical Specifications, Section 5.6.4.
Very truly yours, l
. & .sc c Gary VanMiddlesworth .
Plant Manager-Nuclear
- GDV/RBW i
Enclosums I
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9901210073 981231 '1 l PDR ADOCK 05000331*
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Mr. James E. Dyer NG 99-0020 January 15,1999 Page 2 of 2 cc:
/U.S. Nuclear Regulatory Commission Ms. Lisa Stump i Attn: Document Control Desk lowa State Utilities Board Mail Station 0-PI-17 Lucas State Office Building Wa hington, DC 20555-0001 (Orig.) Des Moines,IA 50319 Ms. Barbara Lewis Dr. William A. Jacobs, Jr.
McGraw-Hill, Inc. GDS Associates,Inc. '
. 1200 G Street NW, Suite 1100 1850 Parkway Place, Suite '720 l, Washington, DC 20005 ' Marietta, GA 30068-8237 Mr. Dennis Murdock Mr. Dale Arends L CentralIowa Power Cooperative Corn Belt Power Cooperative Box 2517 130013th Street North Cedar Rapids,IA 52406 Humboldt,IA 50548
' Document Control Desk Mr. Al Gutterman INPO Records Center Morgan, Lewis, Bockius 700 Galleria Parkway 1800 M St. NW Atlanta, GA 30339-5957 Washington, DC 20036-5859 Mr. Rich Laufer DOCU i- Project Manager
.1 White Flint North NRC Resident Inspector Mail Stop 13E21 11555 Rockville Pike CTS Project ,
Rockville, MD 20852 l L
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OPERATING DATA REPORT i
- DOCKET NO
- 50-0331 DATE: 01/15/99 i Unit: Duane Arnold Enerev Center j COMPLETED BY: Richard Woodward j TELEPliONE: (319) 851-7318 OPERATING STATUS
.. .. n.ao ., t...i w.
- 1. Unit Name: Duane Arnold Energy Center op
- 2. Reponing Period: December 1998 4n.
- 3. Licensed Thermal Power (MWth): 1658 5, 4 j 4. Nameplate Rating (Gross MWe DER): 565.7 (Turbine) ,,,
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1 5. Design Electrical Rating (Net MWe DER): 138 .
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- 6. ~ Maximum Dependable Capacity (Gross MWe MDC)
- 150,
- 7. Maximum Dependable Capacity (Net MW, MDC):120 l j 8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) since the last repon, Give Reasons: Not Apr>l1 cable
- 9. Power Level to Which Restricted, if Any (Net MW ):e N/A
- 10. Reasons for Restrictions, if Any:N_/Ai December-98 1998 Cumulative i1. Ilours in Reponing Period 744.0 8,760.0 209,640.0
- 12. Number ofliours Reactor Was Critical 645.6 7,582.3 162,348.8
- 13. Reactor Reserve Shttdown liours 0.0 0.0 192.8
- 14. liours Generator On-Line 627.9 7,479.1 158,628.2
- 15. Unit Reserve Shutdown Ilours 0.0 0.0 0.0
- 16. Gross Thennal Energy Generated (MWil) 992,700.3 12,141,747.1 226,847,789.3
- 17. Gross Electrical Energy Generated (MWii) 334,637.0 4,067,640.0 76,060.326.6
- 18. Net Electrical Energy Generated (MWil) 315,959.3 3,839,157.3 71,410,245.5
- 19. Unit Service Factor 84.4 % 85.4 % 75.7 %
- 20. Unit Availability Factor 84.4 % 85.4 % 75.7 %
- 21. Unit Capacity Factor (Using MDC Net) 81.7 % 84.3 % 71.6 %
- 22. Unit Capacity Factor (Using DER Net) 78.9 % 81.5 % 68.6 %
- 23. Unit Forced Outage Rate 15.6 % 1.5% 9.4%
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each): N/A
- 25. If Shutdown at End of Repon Period, Estimated Date of Startup: N/A
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- AVERAGE DAILY UNIT POWER LEVEL l DOCKET NO: 50-0331 DATE: 01/15/99 Unit: Duane Arnold Enercy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 MONTH December 1998 Day Average Daily l
Power Level (MWe-Net) 1 528.3
- 2 525.7 3 523.7 4 521.2 5 524.3 6 532.0 7 535.5 8 535.2 9 533.6 10 531.3 11 533.4 12 532.9 13 503.5 14 505.5 15 30.2 16 0.0 17 0.0 18 0.0 19 0.0 20 87.5 21 402.3 22 478.3 23 527.4 24 532.8 25 508.4 26 532.4 27 532.5 28 534.4 29 534.7 l 30 533.9 31 533.6 I
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REFUELING INFORMATION DOCKET NO: 50-0331 DATE: 01/15/99 Unit: Duane Amold Enercy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318
- 1. Name of facility. Duane Arnold Enerev Center
- 2. Scheduled date for next refueling shutdown. October 8.1999
- 3. Scheduled date for restart following refueling. November 13.1999 I
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- 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? Yes-(a) Technical Snecification chance to support storace of new l l
GE12 fuel desien in the spent-fuel pool. (b) Technical Specification chance to sunnort reactor operation with new GE12 fuel desien.
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- 5. Scheduled date(s) for submitting proposed licensing action and supporting information. 1 (a) January 31.1999 (b) will be submitted promptly followine receint of suonortine information from fuel vendor.
- 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. See items 4 & 5 above j l
- 7. Current and projected fuel assemblies inventory:
Number of Projected date oflast Fuel refueling that can be discharged Assemblics (after allowing margin for maintenance of l continuous full-core !
discharge capability)
Installed in reactor core 1 368 N/A Previously discharged from core to Spent Fuel Storage Pool [ 1648 N/A Installed Capacity of Spent Fuel Storage Pool i 2411 2001 Licensed Capacity of Spent Fuel Storage Pool (with reracking) 3 2829 2006 Licensed Capacity of Spent Fuel Storage Pool and Cask Pool (with 3152 2010 reracking) _
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DOCKET NO: 50-0331 -
DATE: 01/15/99 I Unit: Duane Arnold Enerev Center I COMPLETED BY: Richard Woodward l TELEPilONE: (3191 851-7318
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UNIT SHUTDOWNS AND POWER REDUCTIONS I REPORT MONTH: December 1998 l l
- No. Date Type Duration Reason Method of Licensee Cause l l (1) (Hours) (2) Shutting Event Down Reactor Report #
l (3)
! 6 12/15/98 F 116.15 A 1 Weld repair of a I I
.feedwater heater bypass piping leak l
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- Forced 2 - Reason 3 - Method:
l S: Scheduled A-Equipment Failure (Explain) 1-Manuel l B-Maintenance or Test 2 Manual Scram ,
C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued ;
- E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other (Explain) -
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! G-Operational Error (Explain)
H-Other (Explain) .j i
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6 DOCKET NO.: 50-0331 DATE: 01/15/99 Unit: Duane Amold Enerav Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 351-7318 Monthly Operational Overview for December 1998 At 09:03 on December 15*, after having continuously operated 207 days, the DAEC shutdown to perform a weld repair of a feedwater heater bypass piping leak. The generator was synchronized to the grid at 06:02 December 20* following the repair. The plant was offline 116 hours0.00134 days <br />0.0322 hours <br />1.917989e-4 weeks <br />4.4138e-5 months <br />,9 minutes and sub-critical 98 hours0.00113 days <br />0.0272 hours <br />1.62037e-4 weeks <br />3.7289e-5 months <br />,27 minutes. Including shutdown and startup, the total production loss associated with the forced outage was 145.8 full-power-equivalent hours.
Allocation of Production & Losses: Electncal Output Capacity Iactor Full Power MWe % of 565.7 MWe Equivalent Hours (Design Rating) (FPHeq)
Plant Process Computer maintenance : 12/2710:01 - 15.43, 12/29 16:00 23:00, 0.08 0 01 % 0.09 12/30 22:21- 12/31 01:58 1urbine Valve lestmg: 12/12 23:00 - 12/14 02:00 1.23 0.22 % 137 On-line Unplanned Losses: 12/14 20:04 12/15 09:53,12/20 06:02 - 12/25 12:00, 26.25 4.64 % 29.13 12/25 23:26-12/26 01:27,12/26 10:52 -12:30 Reduced recirculation flow to pull control rods to increase load ime (Rod Pull): 12/30 0.02 0.00 % 0.02 10:40 12.50 Average Margin to 1658 MWth Limit o 13 0 02 % 0 15 buhtotal: On-hne Capacity Losses 27.71 4.90 % 30.75 Y Moisture Separator Reheater Performance Loss 1.20 0.21 % 1.33 Feedwater flow measurement nozzle foulmg 339 0.60 % 3.77 Other Losses, as yet unidentif,cd 3 Ii 0 55 % 3 47 bubtotal: On-line Efnciency Losses 7.71 1.36 %
y 8.57 Negative (-) v,cather Losses (i.e weather gains. turbine eshaust - 2.70 - b.48% - 3.00 pressure / condenser inlet temperature < design) l lotal On-line Losses l 32.71 l
5."18 %
l M l Avg. Net Electnc Output (while on-ime) 503.24 88.96 % 558.13 l
Plant Electric Loads (while on-ime) 29 75 526% 33 40 Total Electric Generation 532.99 94.22 % 29M}
l Oti-Line 1)nplanned Losses: 12/15 09:53 12/20 06:02l 116.15 l l l l l Design Liectric Rating,l otal %. lotal # of clock-hours l 565.70 l
100.00 %
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l There were no Licensee Event Reports.
Licensine Action Summarv:
i Plant Availability: 100 % Unplanned Auto Scrams (while/ critical) this month: 0 Number of reportable events: 0 Unplanned Auto Scrams (while/ critical) last 12 months: 0 l
l Main Steam Safety and Relief Valve Challenges: 0 t
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