ML17313A252
| ML17313A252 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde |
| Issue date: | 02/28/1998 |
| From: | Fulton J, Overbeck G ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 035-00499-GRO-J, 35-499-GRO-J, NUDOCS 9803180009 | |
| Download: ML17313A252 (10) | |
Text
REGULA Y INFORMATION DISTRIBUTION SYSTEM (RIDS)
N FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 STN-50~529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTH.NAME AUTHOR AFFILIATION FULTON,J.D.
Arizona Public Service Co.
(formerly Arizona Nuclear Power OVERBECK,G.R.
Arizona Public Service Co.
(formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION
SUBJECT:
Monthly operating repts for Feb 1998 for P o Verde Nuclear Generating Station, Units 1,2 311 DISTRIBUTION CODE:
IE24D COPIES RECEIVED:LTR ENCL SIZE:
TITLE: Monthly Operating Report (per Tech Specs A
T NOTES: STANDARDIZED PLANT Standardized plant.
Standardized plant.
050005286 05000529 050005300 INTERNAL:
RECIPIENT ID CODE/NAME PD4-2 PD RG COPIES LTTR ENCL 1
1 1
1 1
1 1
1 RECIPIENT ID CODE/NAME CLIFFORD,J AEOD/SPD/RRAB OC/DBA/PAD COPIES LTTR ENCL 1,
1 1
1 1
1 EXTERNAL: LITCO BRYCE,J H NRC PDR NOAC 1
1 D
U N
NOTE TO ALL "RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)
ON EXTENSION 415-2083 TOTAL NUMBER OF COPIES REQUIRED:
LTTR 10 ENCL 10
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Palo Verde Nuclear Generating Station Gregg R. Overbeck Vice President Nuclear Producthn TEL 602/39~148 FAX 602I3934077 Mail Station 7602 P.O. Box 52034 Phoenix, AZ85072-2034 035-00499-G RO/J DF March 11, 1998 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555
Dear Sirs:
Subject:
Palo Verde Nuclear Generating Station (PVNGS)
Units 1, 2, and 3 Docket Nos. STN 50-528/529/530 Monthly Operating Reports for FEBRUARY 1998 Enclosed are the Monthly Operating Reports for February 1998, prepared and submitted pursuant to Specification 6.9.1.6 of Appendix A
(Technical Specifications) to the PVNGS Units 1, 2, and 3 Operating Licenses By copy of this letter, Arizona Public Service Company is also forwarding the Monthly Operating Reports to the Regional Administrator, NRC Region IV Ifyou have any questions, please contact Judy Fulton at (602) 250-3549 Sincerely GRO/J DF/clj
Enclosures:
FEBRUARY 1998 Monthly Operating Reports cc:
E. W. Merschoff K. E. Perkins INPO Records Center UtilityData Institute n
9803i80009 980228 PDR AQQCK 05000528 R
PDR (all w/enclosures) lllllllllllllllllllllllfIll Jllffflfllf
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NRC MONTHLYOPERATING DATAREPORT DOCKET NO.: ~
UNITNAME:
DATE:
COMPLETED BY:
TELEPHONE:
SL526 MIGHT 21296 dJRJMaa Reporting Period:
February 1998 1.
Design Electrical Rating (Net MWe):
1265 2.
MaximumDependable Capacity(NetMWe):
1243 Unit 1 Generating Statistics 3.
Pours Reactor was Critical 4.
Hours Generator was On-Line 5.
Unit Reserve Shutdown Hours 6.
Net Electrical Energy Generated (MWh)
UNITSHUTDOWNS This Month 642.8 613.3 0.0 724,284 Yr. to Date 1,386.8 1,357.3 0.0 1,658,232 Cumulative 75,383.1 74,168.4 0.0 87,861,500 No.
Outage Method of Duration Shutting Down Date Type" Hours Reason2 Reactors Cause and Corrective Action to Prevent Occurrence 98-01 2/22/98 F
58.7 A
Rx tripped on low level in SG//2 when economizer valve drifted closed due to an abnormality in feedwater control system.
F-Forced S-Scheduled 2Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain) sMethod:
1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)
SUMMARY
The reactor tripped on low steam generator water level following spurious closing of the economizer regulating valve. Failure of the dynamic compensator card in the compensated level signal circuitry which is an input to the feedwater control system 2 (FWCS-2) master controller caused the partial closure.
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NRC MONTHLYOPERATING DATAREPORT DOCKET NO.:~
UNITNAME:
DATE:
COMPLETED BY TELEPHONE:
'2L529 MKzk2 3LLUK
~uHan Reporting Period:
February 1998 1.
Design Electrical Rating (Net MWe):
1265 2.
Maximum Dependable Capacity(Net MWe):
1243 Unit 2 Generating Statistics 3.
Hours Reactor was Critical 4.
Hours Generator was On-Line 5.
Unit Reserve Shutdown Hours 6.
Net Electrical Energy Generated (MWh)
UNITSHUTDOWNS This Month 672.0 672.0 0.0 854,257 Yr. to Date 1,416.0 1,416.0 0.0 1,801,268 Cumulative 74,841.7 73,648.8 0.0 88,230,827 Outage Method of Duration Shutting Down No.
Date Type" Hours Reason~
ReactoR No reactor shutdowns occurred during the month of February 1998.
Cause and Corrective Action to Prevent Occurrence F-Forced S-Scheduled
SUMMARY
2Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain) s Method:
1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)
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l NRC MONTHLYOPERATING DATAREPORT DOCKET NO.B UNIT NAME:
DATE:
COMPLETED BY:
TELEPHONE:
'-'QQ MKzR2 QLMBG JJ2.Rotten Reporting Period:
February 1998 1.
Design Electrical Rating (Net MWe):
1269 2.
Maximum Dependable Capacity (Net MWe):
1247 Unit 3 Generating Statistics
,'I.lours Reactor was Critical Hours Generator was On-Line Unit Reserve Shutdown Hours Net Electrical Energy Generated (MWh)
UNITSHUTDOWNS This Month 672.0 672.0 0.0 840,683 Yr. to Date 1,416.0 1,416.0 0.0 1,770,961 Cumulative
'0,741.7
'9,915.6 0.0 84,523,932 Outage Method of Duration Shutting Down No.
Date Type" Hours Reason2 ReactoR No reactor shutdowns occurred during the month of February 1998.
Cause and Corrective Action to Prevent Occurrence "F-Forced S-Scheduled
SUMMARY
2Reason:
A-Equipment Failure (Explain)
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain) 3Method:
1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain) t