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| {{#Wiki_filter:, ._ . _ _ _ _ - _ _ _ _ _ _ . . . . _ | | {{#Wiki_filter:, |
| TOLEDO | | TOLEDO |
| . %ss EDCON A Cocterior Energy Company Davis-Sesse Nuclear Power Statson 1 6501 North State Route 2 l oak Harbor. OH 43449-9760 April 11,1997 KB-97-0068 l Documec Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Ladies and Gentlemen:
| | %ss EDCON A Cocterior Energy Company Davis-Sesse Nuclear Power Statson 1 |
| Monthly Operating Report, March 1997 Davis-Besse Nuclear Power Station Unit I , | | 6501 North State Route 2 l |
| Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power i Station Unit I for the month of March 1997. | | oak Harbor. OH 43449-9760 April 11,1997 KB-97-0068 Documec Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Ladies and Gentlemen: |
| | Monthly Operating Report, March 1997 Davis-Besse Nuclear Power Station Unit I Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power i |
| | Station Unit I for the month of March 1997. |
| If you have any questions, please contact E. C. Matranga at (419) 321-8369. | | If you have any questions, please contact E. C. Matranga at (419) 321-8369. |
| Very truly yours, f ' | | Very truly yours, f |
| h I | | h James H. Lash Plant Manager Davis-Besse Nuclear Power Station ECM/ljk Enclosure cc: |
| James H. Lash Plant Manager Davis-Besse Nuclear Power Station ECM/ljk ! | | A. B. Beach NRC Region III Administrator l |
| Enclosure cc: A. B. Beach NRC Region III Administrator l | | A. G. Hansen g |
| A. G. Hansen g NRC Project Mtmager Ib ' | | NRC Project Mtmager Ib S. Stasek NRC Senior Resident Inspector 1 |
| S. Stasek I NRC Senior Resident Inspector i l | | 9704160114 970331 |
| 1 9704160114 970331 PDR ADOCK 050003463 R PDR %INhEhggggg$ ....-
| | %INhEhggggg$ |
| | PDR ADOCK 050003463 R |
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| , AVERAGE DAILY UNIT POWER LEVEL !
| | AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE April 1,1997 COMPLETED BY Eugene C. Matranga TELEPHONE 419/321-8369 MONTH March,1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) |
| DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE April 1,1997 COMPLETED BY Eugene C. Matranga TELEPHONE 419/321-8369 MONTH March,1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL l DAY (MWe-Net) DAY (MWe-Net) 1 876 17 881 2 875 18 883 1 | | DAY (MWe-Net) 1 876 17 881 2 |
| 3 881 19 883 4 881 20 881 5 881 21 877 6 881 22 883 1
| | 875 18 883 3 |
| 7 882 23 882 I
| | 881 19 883 4 |
| 8 887 24 883 9 881 25 878 10 881 26 881 11 884 27 877 12 884 28 874 13 881 29 890 14 881 30 878 15 882 31 882 16 ,
| | 881 20 881 5 |
| 883 | | 881 21 877 6 |
| | 881 22 883 7 |
| | 882 23 882 8 |
| | 887 24 883 9 |
| | 881 25 878 10 881 26 881 11 884 27 877 12 884 28 874 13 881 29 890 14 881 30 878 15 882 31 882 16 883 |
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| OPERATING DATA REPORT DOCKET NO 50-0346 DATE April 1,1997 l COMPLETED BY Euaene C. Matranaa l TELEPHONE 419/321-8369 OPERATING STATUS | | OPERATING DATA REPORT DOCKET NO 50-0346 DATE April 1,1997 COMPLETED BY Euaene C. Matranaa TELEPHONE 419/321-8369 OPERATING STATUS |
| : 1. Unit Name: Davis-Besse Unit 1 Notes | | : 1. Unit Name: Davis-Besse Unit 1 Notes |
| : 2. Reportina Period March,1997 | | : 2. Reportina Period March,1997 |
| : 3. Licensed Thermal Power (MWt) 2772 | | : 3. Licensed Thermal Power (MWt) 2772 |
| : 4. Nameplate Ratina (Gross MWe) 925 | | : 4. Nameplate Ratina (Gross MWe) 925 |
| : 5. Desian Electrical Ratina (Net MWe) 906 | | : 5. Desian Electrical Ratina (Net MWe) 906 |
| : 6. Maximum Dependable Capacity (Gross MWe) 917 | | : 6. Maximum Dependable Capacity (Gross MWe) 917 |
| : 7. Maximum Dependable Capacity (Net MWe) 873 | | : 7. Maximum Dependable Capacity (Net MWe) 873 |
| : 8. If Channes Occurin Capacity Ratinas (Items number 3 through 7) since last report, give reasons: | | : 8. If Channes Occurin Capacity Ratinas (Items number 3 through 7) since last report, give reasons: |
| : 9. Power Level To Which Restricted, If Any (Net MWe): | | : 9. Power Level To Which Restricted, If Any (Net MWe): |
| : 10. Reasons For Restrictions, If Any (Net MWe): | | : 10. Reasons For Restrictions, If Any (Net MWe): |
| J This Month Yr-to-Date Cumulative | | J This Month Yr-to-Date Cumulative |
| : 11. Hours in Reporting Perici 744.00 2,160.00 163,657.00 l | | : 11. Hours in Reporting Perici 744.00 2,160.00 163,657.00 |
| : 12. Number Of Hours Reactor Was Critical 744.00 2,160.00 108,355.97 j | | : 12. Number Of Hours Reactor Was Critical 744.00 2,160.00 108,355.97 j |
| : 13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00 | | : 13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00 |
| : 14. Hours Generator On-Line 744.00 2,154.26 106,057.76 | | : 14. Hours Generator On-Line 744.00 2,154.26 106,057.76 |
| : 15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50 | | : 15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50 |
| : 16. Gross Thermal Energy Generated (MWH) 2,059,707 5,938,043 276,516,888 | | : 16. Gross Thermal Energy Generated (MWH) 2,059,707 5,938,043 276,516,888 |
| : 17. Gross Electrical Energy Generated (MWH) 689,368 1,990,895 89,920.972 4 | | : 17. Gross Electrical Energy Generated (MWH) 689,368 1,990,895 89,920.972 4 |
| : 18. Net Electrical Energy Generated (MWH) 655,598 1,893,105 84,936,299 | | : 18. Net Electrical Energy Generated (MWH) 655,598 1,893,105 84,936,299 |
| : 19. Unit Service Factor 100.00 99.73 64.80 | | : 19. Unit Service Factor 100.00 99.73 64.80 |
| : 20. Unit Availability Factor 100.00 99.73 65.86 | | : 20. Unit Availability Factor 100.00 99.73 65.86 |
| : 21. Unit Capacity Factor (Using MDC Net) 100.94 100.39 59.45 | | : 21. Unit Capacity Factor (Using MDC Net) 100.94 100.39 59.45 |
| : 22. Unit Capacity Factor (Using DER Net) 97.26 96.74 57.28 | | : 22. Unit Capacity Factor (Using DER Net) 97.26 96.74 57.28 |
| : 23. Unit Forced Outage Rate 0.00 0.26 16.99 | | : 23. Unit Forced Outage Rate 0.00 0.26 16.99 |
| : 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Outaae considered for late April to replace RCP 2-2 motor has been canceled because temperatures have stabilized. | | : 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): |
| | Outaae considered for late April to replace RCP 2-2 motor has been canceled because temperatures have stabilized. |
| : 25. If Shut Down At End Of Report Period, Estimated Date of Startup: | | : 25. If Shut Down At End Of Report Period, Estimated Date of Startup: |
| : 26. Units in Test Status (Prior to Commercial Operation): | | : 26. Units in Test Status (Prior to Commercial Operation): |
| Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION | | Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION |
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| ==SUMMARY== | | ==SUMMARY== |
| l March 1997 l
| | March 1997 Reactor power was maintained at approximately 100 percent full power until 0006 hours on March 2,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to i |
| Reactor power was maintained at approximately 100 percent full power until 0006 hours on March 2,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to i approximately 92 percent full power by 0039 hours, and control valve and , | | approximately 92 percent full power by 0039 hours, and control valve and stop valve testing were conducted. At the completion of testing at 0210 hours, power was gradually increased to approximately 100 percent full l |
| stop valve testing were conducted. At the completion of testing at 0210 ! | | power, which was achieved at 0304 hours. |
| hours, power was gradually increased to approximately 100 percent full l power, which was achieved at 0304 hours. | | 1 Reactor power was maintained at approximately 100 percent full power until 0055 hours on March 30,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to approximately 92 percent full power by 0140 hours, and control valve and stop valve testing were conducted. At the completion of testing at 0218 hours, power was gradually increased to approximately 100 percent full power, which was achieved at 0308 hours. |
| 1 Reactor power was maintained at approximately 100 percent full power until 0055 hours on March 30,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to approximately 92 percent full power by 0140 hours, and control valve and l | |
| stop valve testing were conducted. At the completion of testing at 0218 l hours, power was gradually increased to approximately 100 percent full I power, which was achieved at 0308 hours. | |
| Reactor power was maintained at approximately 100 percent full power for the remainder of the month. | | Reactor power was maintained at approximately 100 percent full power for the remainder of the month. |
| 1 i | | 1 i |
| 4 | | 4 |
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| e - | | e UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. |
| UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-34P> | | 50-34P> |
| UNIT NAME Davis-Besse #1 . . | | UNIT NAME Davis-Besse #1. |
| DATE April 1,1997, | | DATE April 1,1997, Report Month March,1997 COMPLETED BY E. C. Matranga TELEPHONE (419) 321-8369 n |
| * Report Month March,1997 COMPLETED BY E. C. Matranga TELEPHONE (419) 321-8369 n
| | E * $' |
| ~
| | E= |
| . 8g "c E * $' E- E= Cause & Corrective
| | Cause & Corrective |
| )
| | ~ |
| No. Date F | | 8g "c |
| { 3$
| | { |
| $5 h
| | 3$ |
| y j5c Re #
| | h |
| $0 0 Action to Prevent Recurrence O
| | ) |
| No Significant Shutdowns Or Power Reductions 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-Continuation from 0161) | | E-Action to No. |
| E-Operator Training & License Examination Previous Month F-Administrative 5-Load Reduction 5 G-Operational Error (Explain) 9-Other (Explain) Exhibit I - Same Source H-Other (Explain) | | Date Re F |
| | $5 y |
| | j5c |
| | $0 0 |
| | Prevent Recurrence O |
| | No Significant Shutdowns Or Power Reductions 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-Continuation from 0161) |
| | E-Operator Training & License Examination Previous Month F-Administrative 5-Load Reduction 5 |
| | G-Operational Error (Explain) 9-Other (Explain) |
| | Exhibit I - Same Source H-Other (Explain) |
| * Report challanges to Power Operated Relief Valves (PORVs) and Pressurizer Code Safety Valves (PCSVs) | | * Report challanges to Power Operated Relief Valves (PORVs) and Pressurizer Code Safety Valves (PCSVs) |
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Category:MONTHLY OPERATING ANALYSIS REPORT
MONTHYEARML20217D5441999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Davis-Besse Nuclear Power Station.With ML20211R0811999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20210Q8541999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20209E6231999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20195F4871999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20206M6341999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Davis-Besse Nuclear Station,Unit 1.With ML20205M2931999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Davis-Besse Nuclear Power Station.With ML20207J1461999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20199E2501998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20197J3441998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20195D0001998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20154H5801998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20151W1611998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Dbnps.With ML20237B1681998-07-31031 July 1998 Monthly Operating Rept for July 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236N7451998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20249A4121998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236N7501998-04-30030 April 1998 Rev 2 to Monthly Operating Rept for Apr 1998 for Davis-Besse Nuclear Power Station,Unit ML20247F6721998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for Davis-Bess Nuclear Power Station,Unit 1 ML20249A4141998-04-30030 April 1998 Revised Monthly Operating Rept for Apr 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20216B4041998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20216C5131998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20202D3721998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20198K7931997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Davis-Besse Nuclear Power Station,Unit 1 ML20203A3931997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for Davis-Besse Nuclear Power Plant,Unit 1 ML20198S5371997-10-31031 October 1997 Monthly Operating Rept for Oct 1997 for Davis-Besse Nuclear Power Station ML20217H7701997-09-30030 September 1997 Monthly Operating Rept for Sept 1997 for Davis-Besse Nuclear Power Station,Unit 1 ML20216H3261997-08-31031 August 1997 Monthly Operating Rept for August 1997 for DBNPS ML20217K0241997-07-31031 July 1997 Monthly Operating Rept for Jul 1997 for Davis Besse Nuclear Power Station,Unit 1 ML20140H0441997-05-31031 May 1997 Monthly Operating Rept for May 1997 for Davis-Besse Nuclear Power Station Unit 1 ML20141B9521997-04-30030 April 1997 Monthly Operating Rept for Apr 1997 for Davis-Beese Nuclear Power Station Unit 1 ML20137T5271997-03-31031 March 1997 Monthly Operating Rept for Mar 1997 for Davis-Besse Nuclear Power Station,Unit 1 ML20136G7221997-02-28028 February 1997 Monthly Operating Rept for Feb 1997 for Davis-Besse Nuclear Station Unit 1 ML20134L9831997-01-31031 January 1997 Monthly Operating Rept for Jan 1997 for Dbnps,Unit 1. W/Undated Ltr ML20133G0161996-12-31031 December 1996 Monthly Operating Rept for Dec 1996 for Davis-Besse Nuclear Power Station,Unit 1 ML20149M4071996-11-30030 November 1996 Monthly Operating Rept for Nov 1996 for Davis-Besse Nuclear Power Station Unit 1 ML20134P9821996-10-31031 October 1996 Monthly Operating Rept for Oct 1996 for Davis-Besse Nuclear Power Station,Unit 1 ML20128Q0611996-09-30030 September 1996 Monthly Operating Rept for Sept 1996 for Davis-Besse NPP, Unit 1 ML20117D5341996-07-31031 July 1996 Monthly Operating Rept for July 1996 for Davis-Besse Nuclear Power Station,Unit 1 ML20117D5411996-06-30030 June 1996 Revised MOR for June 1996 for Davis-Besse Nuclear Power Station,Unit 1 ML20116E0161996-06-30030 June 1996 Monthly Operating Rept for June 1996 for Davis-Besse Nuclear Station Unit 1 ML20113B9111996-05-31031 May 1996 Monthly Operating Rept for May 1996 for Davis-Beese Nuclear Power Station Unit 1 ML20117H7231996-04-30030 April 1996 Monthly Operating Rept for Apr 1996 for Davis-Besse Unit 1 ML20112E6061996-03-31031 March 1996 Monthly Operating Rept for Mar 1996 for David-Besse Nuclear Power Station,Unit 1 ML20101G5251996-02-29029 February 1996 Monthly Operating Rept for Feb 1996 for DBNPS Unit 1 ML20149K7711996-01-31031 January 1996 Monthly Operating Rept for Jan 1996 for Davis-Besse Nuclear Power Station.W/Undated Ltr ML20096C7971995-12-31031 December 1995 Monthly Operating Rept for Dec 1995 for Davis-Besse Nuclear Power Station Unit 1 ML20095H3761995-11-30030 November 1995 Monthly Operating Rept for Nov 1995 for Davis-Besse Nuclear Power Station Unit 1 ML20094L1041995-10-31031 October 1995 Monthly Operating Rept for Oct 1995 for Davis-Besse Nuclear Power Station Unit 1 ML20093J2341995-09-30030 September 1995 Monthly Operating Rept for Sept 1995 for Davis-Besse Nuclear Power Station ML20098A2651995-08-31031 August 1995 Monthly Operating Rept for Aug 1995 for Davis-Besse Nuclear Power Station,Unit 1 1999-09-30
[Table view] Category:TEXT-SAFETY REPORT
MONTHYEARML20217K1231999-10-14014 October 1999 Revised Positions for DBNPS & PNPP QA Program ML20217D5441999-09-30030 September 1999 Monthly Operating Rept for Sept 1999 for Davis-Besse Nuclear Power Station.With 05000346/LER-1998-011, :on 981014,manual Reactor Trip Occurred.Caused by Component Cooling Water Sys Leak.Breaker Being Installed Into D1 Bus cubicle.AACD1 Was Removed from Cubicle1999-09-0303 September 1999
- on 981014,manual Reactor Trip Occurred.Caused by Component Cooling Water Sys Leak.Breaker Being Installed Into D1 Bus cubicle.AACD1 Was Removed from Cubicle
ML20211R0811999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Davis-Besse Nuclear Power Station,Unit 1.With 05000346/LER-1999-003, :on 990727,failure to Perform Engineering Evaluation for Pressurizer Cooldown Rate Exceeding TS Limit Was Noted.Caused by Inadequate Procedural Guidance.Provided Required Reading for Operators.With1999-08-26026 August 1999
- on 990727,failure to Perform Engineering Evaluation for Pressurizer Cooldown Rate Exceeding TS Limit Was Noted.Caused by Inadequate Procedural Guidance.Provided Required Reading for Operators.With
ML20211B0271999-08-13013 August 1999 SER Accepting Second 10-year Interval Inservice Insp Requests for Relief RR-A16,RR-A17 & RR-B9 for Plant, Unit 1 ML20210Q8541999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20209E6231999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Davis-Besse Nuclear Power Station,Unit 1.With 05000346/LER-1998-013, :on 981105,safety Valve Rupture Disks May Induce Excessive Eccentric Loading of Pressurizer Vessel Nozzles.Caused by Failure of RCS Pressure Boundary.Plant Mod Was Implemented in May of 1999.With1999-06-24024 June 1999
- on 981105,safety Valve Rupture Disks May Induce Excessive Eccentric Loading of Pressurizer Vessel Nozzles.Caused by Failure of RCS Pressure Boundary.Plant Mod Was Implemented in May of 1999.With
ML20212H9961999-06-22022 June 1999 Safety Evaluation Supporting Amend 233 to License NPF-3 ML20195K2871999-06-16016 June 1999 Safety Evaluation Accepting Licensee Response to GL 95-07, Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves ML20207G6661999-06-0808 June 1999 Safety Evaluation Supporting Amend 232 to License NPF-3 ML20195F4871999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20206U7371999-05-19019 May 1999 Safety Evaluation Supporting Amend 231 to License NPF-3 ML20207E8011999-05-19019 May 1999 Non-proprietary Rev 2 to HI-981933, Design & Licensing Rept DBNPS Unit 1 Cask Pit Rack Installation Project ML20207F4351999-05-0404 May 1999 Rev 1 to DBNPS Emergency Preparedness Evaluated Exercise Manual 990504 ML20206M6341999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Davis-Besse Nuclear Station,Unit 1.With ML20205M2931999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Davis-Besse Nuclear Power Station.With 05000346/LER-1999-002, :on 990208,both Trains of Emergency Ventilation Sys Were Rendered Inoperable.Caused by Unattended Open Door. Door Was Immediately Closed Upon Discovery.With1999-03-0505 March 1999
- on 990208,both Trains of Emergency Ventilation Sys Were Rendered Inoperable.Caused by Unattended Open Door. Door Was Immediately Closed Upon Discovery.With
ML20207J1461999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Davis-Besse Nuclear Power Station,Unit 1.With ML20206U2441999-02-0909 February 1999 Safety Evaluation Supporting Amend 229 to License NPF-3 ML20199H5931999-01-20020 January 1999 Safety Evaluation Accepting Thermo-Lag Re Ampacity Derating Issues for Plant ML20204J6751998-12-31031 December 1998 1998 Annual Rept for Dbnps,Unit 1,PNPP,Unit 1 & BVPS Units 1 & 2 ML20199E2501998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20205K5781998-12-31031 December 1998 Waterhammer Phenomena in Containment Air Cooler Swss ML20206B0101998-12-31031 December 1998 1998 Annual Rept for Firstenergy Corp, for Perry Nuclear Power Plant & Davis-Besse Nuclear Power Station.Form 10-K Annual Rept to Us Securities & Exchange Commission for Fiscal Yr Ending 981231,encl ML20197J3441998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Davis-Besse Nuclear Power Station,Unit 1.With 05000346/LER-1998-012, :on 981018,reactor Trip Occurred from Approx 4% Power Due to ARTS Signal.Caused by Inadequate Design Drawing Resulting in Inadequate Procedure.Procedure Revised to Correct Deficiency.With1998-11-17017 November 1998
- on 981018,reactor Trip Occurred from Approx 4% Power Due to ARTS Signal.Caused by Inadequate Design Drawing Resulting in Inadequate Procedure.Procedure Revised to Correct Deficiency.With
05000346/LER-1998-009, :on 980909,RCS Pressurizer Spray Valve Was Not Functional with Two of Eight Body to Bonnet Nuts Missing. Caused by Less than Adequate Matl Separation Work Practices. Bonnet Nuts Replaced.With1998-11-13013 November 1998
- on 980909,RCS Pressurizer Spray Valve Was Not Functional with Two of Eight Body to Bonnet Nuts Missing. Caused by Less than Adequate Matl Separation Work Practices. Bonnet Nuts Replaced.With
05000346/LER-1998-011, :on 981014,manual RT Due to Ccws Leak Was Noted.Caused by Failure of One Letdown Cooler Rupture Disk. All Letdown Cooler Rupture Disks Were Replaced Prior to Plant Restart.With1998-11-13013 November 1998
- on 981014,manual RT Due to Ccws Leak Was Noted.Caused by Failure of One Letdown Cooler Rupture Disk. All Letdown Cooler Rupture Disks Were Replaced Prior to Plant Restart.With
ML20195D0001998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Davis-Besse Nuclear Power Station,Unit 1.With ML20155B6781998-10-28028 October 1998 Safety Evaluation Accepting Proposed Reduction in Commitment Changes in QA Program Matl Receipt Insp Process 05000346/LER-1998-010, :on 980924,manual Reactor Trip Was Noted.Caused by Misdiagnosed Failure of Main FW Control Valve Solenoid Valve.Faulty Solenoid valve,SVSP6B1,was Replaced & Tested. with1998-10-26026 October 1998
- on 980924,manual Reactor Trip Was Noted.Caused by Misdiagnosed Failure of Main FW Control Valve Solenoid Valve.Faulty Solenoid valve,SVSP6B1,was Replaced & Tested. with
05000346/LER-1998-008, :on 981001,documented Proceduralized Guidance for Initiation of Post LOCA B Dilution Flow Path.Caused by Design Analysis Oversight.Revised Procedures to Provide Active B Dilution Flow Path Guidance.With1998-10-0101 October 1998
- on 981001,documented Proceduralized Guidance for Initiation of Post LOCA B Dilution Flow Path.Caused by Design Analysis Oversight.Revised Procedures to Provide Active B Dilution Flow Path Guidance.With
ML20154H5801998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Davis-Besse Nuclear Power Station,Unit 1.With 05000346/LER-1998-007, :on 980824,CR Humidifier Ductwork Failure Caused Excessive Opening in Positive Pressure Boundary. Caused by Less than Adequate Fabrication.Evaluation of CR Humidifiers Conducted.With1998-09-22022 September 1998
- on 980824,CR Humidifier Ductwork Failure Caused Excessive Opening in Positive Pressure Boundary. Caused by Less than Adequate Fabrication.Evaluation of CR Humidifiers Conducted.With
ML20151W1611998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Dbnps.With 05000346/LER-1998-006, :on 980624,loss of Offsite Power Was Noted. Caused by Tornado Damage to Switchyard.Tested & Repaired Affected Electrical & Mechanical Equipment Necessary to Restore Two Offsite Power Sources1998-08-21021 August 1998
- on 980624,loss of Offsite Power Was Noted. Caused by Tornado Damage to Switchyard.Tested & Repaired Affected Electrical & Mechanical Equipment Necessary to Restore Two Offsite Power Sources
ML20237E3171998-08-21021 August 1998 ISI Summary Rept of Eleventh Refueling Outage Activities for Davis-Besse Nuclear Power Station ML20237B1681998-07-31031 July 1998 Monthly Operating Rept for July 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236U5011998-07-23023 July 1998 Special Rept:On 980624,Unit 1 Site Damaged by Tornado & High Winds.Alert Declared by DBNPS Staff,Dbnps Emergency Response Facilities Activiated & Special Insp Team Deployed to Site by Nrc,As Result of Event ML20236R1441998-07-15015 July 1998 SER Related to Quality Assurance Program Description Changes for Davis-Besse Nuclear Power Station,Unit 1 05000346/LER-1998-004, :on 980601,ductwork for Number 2 Control Room Humidifier Found Disconnected from Humidifier.Caused by Less than Adequate Connection at Humidifier Blower Housing. Ductwork Repaired1998-07-13013 July 1998
- on 980601,ductwork for Number 2 Control Room Humidifier Found Disconnected from Humidifier.Caused by Less than Adequate Connection at Humidifier Blower Housing. Ductwork Repaired
05000346/LER-1998-005, :on 980601,both Low Pressure Injection/Dhr Pumps Were Rendered Inoperable During Testing.Caused by Inadequate Self Checking,Communication & Procedure Usage Work Practices.Operations Mgt Reviewed Expectations1998-07-11011 July 1998
- on 980601,both Low Pressure Injection/Dhr Pumps Were Rendered Inoperable During Testing.Caused by Inadequate Self Checking,Communication & Procedure Usage Work Practices.Operations Mgt Reviewed Expectations
ML20236M9411998-07-0707 July 1998 Safety Evaluation Supporting Amend 225 to License NPF-3 ML20236K3981998-06-30030 June 1998 SER Accepting in Part & Denying in Part Relief Requests from Some of ASME Section XI Requirements as Endorsed by 10CFR50.55a for Containment Insp for Davis-Besse Nuclear Power Station,Unit 1 ML20236N7451998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Davis-Besse Nuclear Power Station,Unit 1 ML20236K4321998-06-30030 June 1998 Safety Evaluation Supporting Amend 224 to License NPF-03 ML20236K5131998-06-29029 June 1998 Safety Evaluation Accepting Proposed Alternate Emergency Operations Facility Location for Davis-Besse Nuclear Power Station,Unit 1 05000346/LER-1998-003, :on 980519,Mode 3 Entry Without Completion of Surveillance Requirement Occurred.Caused by Failure of I&C Technicians to Perform Each Sp as Written or Adherence. Revised Procedure1998-06-18018 June 1998
- on 980519,Mode 3 Entry Without Completion of Surveillance Requirement Occurred.Caused by Failure of I&C Technicians to Perform Each Sp as Written or Adherence. Revised Procedure
1999-09-30
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Text
,
TOLEDO
%ss EDCON A Cocterior Energy Company Davis-Sesse Nuclear Power Statson 1
6501 North State Route 2 l
oak Harbor. OH 43449-9760 April 11,1997 KB-97-0068 Documec Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Ladies and Gentlemen:
Monthly Operating Report, March 1997 Davis-Besse Nuclear Power Station Unit I Enclosed is a copy of the Monthly Operating Report for Davis-Besse Nuclear Power i
Station Unit I for the month of March 1997.
If you have any questions, please contact E. C. Matranga at (419) 321-8369.
Very truly yours, f
h James H. Lash Plant Manager Davis-Besse Nuclear Power Station ECM/ljk Enclosure cc:
A. B. Beach NRC Region III Administrator l
A. G. Hansen g
NRC Project Mtmager Ib S. Stasek NRC Senior Resident Inspector 1
9704160114 970331
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PDR ADOCK 050003463 R
PDR
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-0346 UNIT Davis-Besse Unit 1 DATE April 1,1997 COMPLETED BY Eugene C. Matranga TELEPHONE 419/321-8369 MONTH March,1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net)
DAY (MWe-Net) 1 876 17 881 2
875 18 883 3
881 19 883 4
881 20 881 5
881 21 877 6
881 22 883 7
882 23 882 8
887 24 883 9
881 25 878 10 881 26 881 11 884 27 877 12 884 28 874 13 881 29 890 14 881 30 878 15 882 31 882 16 883
OPERATING DATA REPORT DOCKET NO 50-0346 DATE April 1,1997 COMPLETED BY Euaene C. Matranaa TELEPHONE 419/321-8369 OPERATING STATUS
- 1. Unit Name: Davis-Besse Unit 1 Notes
- 2. Reportina Period March,1997
- 3. Licensed Thermal Power (MWt) 2772
- 4. Nameplate Ratina (Gross MWe) 925
- 5. Desian Electrical Ratina (Net MWe) 906
- 6. Maximum Dependable Capacity (Gross MWe) 917
- 7. Maximum Dependable Capacity (Net MWe) 873
- 8. If Channes Occurin Capacity Ratinas (Items number 3 through 7) since last report, give reasons:
- 9. Power Level To Which Restricted, If Any (Net MWe):
- 10. Reasons For Restrictions, If Any (Net MWe):
J This Month Yr-to-Date Cumulative
- 11. Hours in Reporting Perici 744.00 2,160.00 163,657.00
- 12. Number Of Hours Reactor Was Critical 744.00 2,160.00 108,355.97 j
- 13. Reactor Reserve Shutdown Hours 0.00 0.00 5,532.00
- 14. Hours Generator On-Line 744.00 2,154.26 106,057.76
- 15. Unit Reserve Shutdown Hours 0.00 0.00 1,732.50
- 16. Gross Thermal Energy Generated (MWH) 2,059,707 5,938,043 276,516,888
- 17. Gross Electrical Energy Generated (MWH) 689,368 1,990,895 89,920.972 4
- 18. Net Electrical Energy Generated (MWH) 655,598 1,893,105 84,936,299
- 19. Unit Service Factor 100.00 99.73 64.80
- 20. Unit Availability Factor 100.00 99.73 65.86
- 21. Unit Capacity Factor (Using MDC Net) 100.94 100.39 59.45
- 22. Unit Capacity Factor (Using DER Net) 97.26 96.74 57.28
- 23. Unit Forced Outage Rate 0.00 0.26 16.99
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Outaae considered for late April to replace RCP 2-2 motor has been canceled because temperatures have stabilized.
- 25. If Shut Down At End Of Report Period, Estimated Date of Startup:
- 26. Units in Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
l i
OPERATIONAL
SUMMARY
March 1997 Reactor power was maintained at approximately 100 percent full power until 0006 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> on March 2,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to i
approximately 92 percent full power by 0039 hours4.513889e-4 days <br />0.0108 hours <br />6.448413e-5 weeks <br />1.48395e-5 months <br />, and control valve and stop valve testing were conducted. At the completion of testing at 0210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br />, power was gradually increased to approximately 100 percent full l
power, which was achieved at 0304 hours0.00352 days <br />0.0844 hours <br />5.026455e-4 weeks <br />1.15672e-4 months <br />.
1 Reactor power was maintained at approximately 100 percent full power until 0055 hours6.365741e-4 days <br />0.0153 hours <br />9.093915e-5 weeks <br />2.09275e-5 months <br /> on March 30,1997, when a manual power reduction was initiated to perform turbine valve testing. Reactor power was reduced to approximately 92 percent full power by 0140 hours0.00162 days <br />0.0389 hours <br />2.314815e-4 weeks <br />5.327e-5 months <br />, and control valve and stop valve testing were conducted. At the completion of testing at 0218 hours0.00252 days <br />0.0606 hours <br />3.604497e-4 weeks <br />8.2949e-5 months <br />, power was gradually increased to approximately 100 percent full power, which was achieved at 0308 hours0.00356 days <br />0.0856 hours <br />5.092593e-4 weeks <br />1.17194e-4 months <br />.
Reactor power was maintained at approximately 100 percent full power for the remainder of the month.
1 i
4
e UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-34P>
UNIT NAME Davis-Besse #1.
DATE April 1,1997, Report Month March,1997 COMPLETED BY E. C. Matranga TELEPHONE (419) 321-8369 n
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Cause & Corrective
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E-Action to No.
Date Re F
$5 y
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$0 0
Prevent Recurrence O
No Significant Shutdowns Or Power Reductions 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-Continuation from 0161)
E-Operator Training & License Examination Previous Month F-Administrative 5-Load Reduction 5
G-Operational Error (Explain) 9-Other (Explain)
Exhibit I - Same Source H-Other (Explain)
- Report challanges to Power Operated Relief Valves (PORVs) and Pressurizer Code Safety Valves (PCSVs)
-