|
---|
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-98-1717, Monthly Operating Rept for Sept 1998 for Daec.With1998-09-30030 September 1998 Monthly Operating Rept for Sept 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 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 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 ML20217K7251998-04-16016 April 1998 Correction to SE of Relief Request MC-R001 Re Qualification Requirements for non-destructive Exam Personnel Performing Containment Insp 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 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 ML20216F6791998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for DAEC 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 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 ML20199L3481998-01-31031 January 1998 Rev 0 to Duane Arnold Energy Ctr Emergency Action Level (EAL) Technical Basis Document ML20249B3331997-12-31031 December 1997 1997 Annual Rept for Alliant Corporation 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 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] |
Text
I Duane Amold Enugy Center 3277 DAEC Road 9* Palo, IA 52324 Telephone 319 8517611 '
fax 319 8517611 l
October 13,1995 l UTILITIES l I
Mr. Ilubert J. Miller Regional Administrator Region Ill 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 September 1995 Monthly Operating Report
Dear Mr. Miller:
Please find enclosed the Duane Amold Energy Center Monthly Operating Report for September 1993. ' Die report has been prepared in accordance with the guidelines of NUREcr0020 and distnbution has been made in accordance with DA EC Technical Specifications, Section 6.11.1.c.
Very truly yours, G' VanMiddlesworth Plant Superintendent, Nuclear i GDWRBW j Enclosures File A-Il8d cc:
U.S. Nuclear Regulatory Commission Mr. Dennis Murdock Attn: Document Control Desk Centrallowa 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 Whitellint North Suite 720 Mail Stop 13E21 1850 Parkway Place 11555 Rockville Pike Marietta, GA 30068-8237 Rockville, MD 20852 Document Control Desk Mr. Dale Arends INPO Records Center Corn Delt Power Cooperative 700 Galleria Parkway 130013th Street North Atlanta, GA 30339-5957 Ilumboldt,IA 50548 Mr. Steve Brown DOCU lowa State Utilities Board Lucas State Oliice Building NRC Resident Inspector Des Moines,IA 50319 Mr. Fred Yost n e Director, Research Services 3.Vbd7no Utility Data Institute 1700 K St. NW, Suite 400 Washington, DC 20006 9310190190 950930 PDR ADOCK 05000331 l 9 PDR_ An IES Industres :rcry
OPERATING DATA REPORT DOCKET NO: la-9331 DATE: 10/13/95 Unit: Duane Arnold Enerev Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 OPERATING STATUS -
Average Daily Power Level
- 1. Unit Name: Duane Arnold Enerev Center 500
- 2. Reporting Period: Sentember 1995 400
- 3. Licensed Thermal Power (MW ):th 1653 $, 300 1
- 4. Nameplate Rating (Gross MWe DER): 565.7 (Turbine) f200 ;
- 5. Design Electrical Rating (Net MWe DER): 533 100 0
- 6. Maximum Dependable Capacity (Gross MWe MDC): 141 1 6 11 16 21 26
- 7. Maximum Dependable Capacity (Net MW e MDC):ill Day i
- 8. If Changes Occur in Capacity Ratings (Items Number 3 through
- 7) since the last report, Give Reasons: Not Acolicable
- 9. Power Level to Which Restricted, if Any (Net MWe): Not Anoticable
- 10. Reasons for Restrictions, if Any: Not Apolicable l
September-95 1995 Cummutative i 1. Ilours in Reporting Period 720.0 6,551.0 181,127.0 i 12. Number of flours Reactor Was Critical 720.0 5,136.2 136,316.8 i 13. Reactor Reserve Shutdown llours 0.0 0.0 192.8 l 14. Ilours Generator On Line 720.0 5,045.7 132,904.8 i 15. Unit Reserve Shutdown ilours 0.0 0.0 0.0 ;
! 16. Gross Thennal Energy Generated (MWH) 1,188,616.4 8,119,984.7 185,648,344.4
- 17. Gross Electrical Energy Generated (MWil) 401,578.0 2,730,939.0 62,178,825.5 j 18. Net Electrical Energy Generated (MWi1) 379,291.6 2,574,117.8 58,314,162.1
- 19. Unit Service Factor . 100.0 % 77.0 % 73.4 %
- 20. Unit Availability Factor 100.0 % 77.0 % 73.4 %
i 21. Unit Capacity Factor (Using MDC Net) 102.3 % 76.3 % 68.0%
- 22. Unit Capacity Factor (Using DER Net) 97.9 % 73.0 % 65.1%
- 23. Unit Forced Outage Rate 0.0% 1.5% 10.9 %
f 24. Shutdowns Scheduled Over Next 6 Montns (Type, Date, and Duration of each): N/A I
l 25. If Shutdown at End of Report Period, Estimated Date of Startup: N/A l
e t
AVERAGE DAILY UNIT POWER LEVEL l fC' DOCKET NO: 50-0331 DATE: 10/13/95
- Unit: Duane Arnold Enerev Center l
. COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 MONTH September 1995 i
Day Average Daily Paw Level (MWe Ne0 1 524.1 2 525.0 3 522.7 4 518.9 5 518.9 6 520.2 7 521.2 8 500.5 ,
9 518.8 l 10 530.8 l 11 528.0 12 526.5 13 526.1 I l
14 526.9 l
15 527.5 l 16 524.3 17 533.2 18 531.5 1 19 530.4 20 534.8 21 535.3 ,
22 534.5 l 23 536 9 1 24 536.4 l 25 531.0 26 530.2 l 27 529.I 28 527.0 29 525.7 30 527.5 31 #N/A
REFUELING INFORMATION DOCKET NO: 50-o331 '#
- DATE: 10/13/95 Unit: Duane Arnold Enercy Center '
COMPLETED BY: Richard Woodward*
TELEPHONE: (319) 851-7118
- 1. Name of facility.
Duane Arnold Energy Center
- 2. Scheduled date for next refueling shutdown.
Refuel Outage XIV to begin October 10,1996.
- 3. Actual date for restart following refueling.
November 14,1996
- 4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?
No
- 5. Scheduled date(s) for submitting proposed licensing action and supporting information.
Not applicable
- 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.
No
- 7. Current and projected fuel assemblies inventory:
Number of Projected date oflast Fuel refueling that can be Assemblies discharged installed in reactor core (following refueling) 368 n/a previously discharged from core to Spent Fuel 1408 n/a Storage Pool (following refueling) * "
uniiir present physical capacity oT5"p~EniFuel 2411 2007 Storage Pool und5F[icensed Capacity of 5peniFusi5iorageV66T" alif 2014 4
J
DOCKET NO. 50-(031 DATE: 10/13/95 Unit: Duane Amold Enerev Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 351-7318 UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH: September 1995 (No shutdowns or power reductions greater than 20%)
No. Date Type Duration Reason Method of Licensee Event System Code Comp. Cause (1) (Hours) (2) Shutting Report # (4) Code Down (5)
Reactor (3) 1 - F: Forced 2 - Reason 3 - Method: 4 - Exhibit G-Instructions for S: Scheduled A-Equipment Failure (Explain) 1-Manual Preparation of Data Entry 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 I (Same Source)
G-Operational Error (Explain)
H-Other (Explain) 4
oe
.a
, , + . - -
e -+r , ,
w
DOCKET NO.: 50-0331 DATE: 10/13/95 '
Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward -
TELEPHONE: (319) 851-7318 .
Monthly Opemtional Overview for September 1995:
The DAEC operated at full thennal power throughout the month of September except:
e to reduce power 30 MWe for three hours early September 4 (Labor Day) for lack of grid demand, e to make control rod adjustments and perform turbine control valve testing September 7-8, e to backscat the Reactor Core injection Cooling System (RCIC) outboard steam isolation valve (during the September 8 turbine valve testing) to stop a packing leak, and e to repair steam leaks in the heater bay, also during tiie turbine valve testing.
Allocation of Production & Losses: Electncal Capacity Factor Full Power Output % af 565.7 MWe Equivalent MWe (Design Gross llours Rating)
Actual Metered Net Electric Output 526.8 93.1 % 670.5 Actual Metered Plant Electric Loads 31.0 5.5% 39.4 Load Following Sept. 4 0.1 0.0% 0.2
, OIT Line 0.0 0.0% 0.0 Weather losses, ie., condenser pressure > 2.75 in IIg / Cire Water Temp 3.2 0.7% 4.0 Planned Capacity Losses: Turbine Valve Testing September 8 1.1 0.2% 1.4 Control Rod Drive Exercises: September 7-8 0.3 0.0% 0.4 LJnplanned Capacity Loss: Backseat MO2401, Leak Repairs September 8 0.3 0.0% 0.3 Normal Capacity Losses (Avg MWth < 1658) 0.6 0.1% 0.6 Metering Losses (Avg indic MWe - Avg MWIle) 1.8 0.3% 2.3 Elliciency Losses (Weather-Norm-Full Power-MWe < 565.7) 0.7 01% OJ Design Gross Electric Output 565.7 100 0 % M On September 20, following maintenance on the High Pressure Coolant injection (HPCI) system, a spurious momentary Primary Containment Isolation System (PCIS) and HPCI isolation signal was received when a PCIS/HPCI isolation valve was being opened to re-pressurize the HPCI steamline. The PCIS/HPCI isolation valve did not close as expected. The isolation signal was likely caused by steam and water's effect on isolation senscrs when the valve was opened. The isolation valve failed to close due to small differences in limit switches that control the auto-isolation feature of the valve. After the isolation signal was reset, the valve was closed manually. IIPCI was properly removed from service throughout these events and there was no etTect on safe operation. LER #95-10 (pending).
Licensine Action Summary:
Plant Availability: 100.0 % Unplanned Auto Scrams (while/ critical) this month: 0 Number of reportable events: 1 Unplanned Auto Scrams (while/ critical)last 12 months: 1 2