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| issue date = 03/31/1995
| issue date = 03/31/1995
| title = Monthly Operating Repts for Mar 1995 for Palo Verde Nuclear Generating Station.W/950412 Ltr
| title = Monthly Operating Repts for Mar 1995 for Palo Verde Nuclear Generating Station.W/950412 Ltr
| author name = FULTON J D, LEVINE J M
| author name = Fulton J, Levine J
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
| addressee name =  
| addressee name =  
Line 17: Line 17:
=Text=
=Text=
{{#Wiki_filter:(ACCELERATED RIDS PROCESSING)
{{#Wiki_filter:(ACCELERATED RIDS PROCESSING)
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)DOCKET 05000528 05000529 05000530 P ACCESSION NBR:9504190051 DOC.DATE: '9AV~NOTARIZED:
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
NO FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi AUTH.NAME AUTHOR AFFILIATION FULTON,J.D.
ACCESSION NBR:9504190051                 DOC.DATE:   '9AV~
Arizona Public Service Co.(formerly Arizona Nuclear Power LEVINE,J.M.
FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 NOTARIZED: NO        DOCKET STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530                                  P AUTH. NAME             AUTHOR AFFILIATION FULTON,J.D.           Arizona Public Service Co. (formerly Arizona Nuclear Power LEVINE,J.M.           Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME             RECIPIENT AFFILIATION
Arizona Public Service Co.(formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION


==SUBJECT:==
==SUBJECT:==
Monthly operating repte for Mar 1995 for Palo Verde Nuclear Generating Station.W 950412 ltr.'ISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR t ENCL I SIZE: 4I TITLE: Monthly Operating Report (per Tech Specs)0 NOTES:STANDARDIZED PLANT Standardized plant;Standardized plant.05000528 I 05000529 05000530 RECIPIENT ID CODE/NAME PD4-2 PD TRAN,L INTERNAL: ACRS NTER EXTERNAL LI TCO BRYCE f J H NRC PDR COPIES LTTR ENCL 1 1 1 1 10 10 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME HOLIAN, B AEOD/SPD/RRAB NRR/DISP/PIPB RGN4 NOAC COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 D 0 0 U NOTE TO ALL"RIDS" RECIPIENTS:
Monthly operating repte for Mar 1995                               for Palo Verde Nuclear Generating Station.W 950412                                                                       0 CODE:     IE24D       COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs) ltr.'ISTRIBUTION t ENCL  I  SIZE:  4I NOTES:STANDARDIZED PLANT                                                                             05000528  I Standardized plant;                                                                           05000529 Standardized plant.                                                                           05000530 RECIPIENT               COPIES                            RECIPIENT        COPIES ID CODE/NAME             LTTR ENCL                        ID  CODE/NAME    LTTR ENCL PD4-2 PD                         1    1                    HOLIAN, B            1    1 TRAN,L                           1    1 INTERNAL: ACRS                           10     10                     AEOD/SPD/RRAB       1    1 NTER                    1    1                    NRR/DISP/PIPB       1   1 1     1                     RGN4                1   1 D
PLEASE HELP US TO REDUCE WASTE!CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT.504-2083)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEEDI TOTAL NUMBER OF COPIES REQUIRED: LTTR 21 ENCL 21 JAMES M.LEVINE VICE PRESIDENT NUCLEAR PRODUCTION Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O.BOX 52034~PHOENIX, ARIZONA 85072-2034 182-06064-JML/JLT/JDF April 12, 1995 U.S.Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555  
EXTERNAL  LITCO  BRYCE f J H              1     1                     NOAC                1   1 NRC PDR                          1    1                                                            0 0
U NOTE TO ALL"RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 504-2083 ) TO ELIMINATEYOUR NAME FROM DISTRIBUTIONLISTS FOR DOCUMENTS YOU DON'T NEEDI TOTAL NUMBER OF COPIES REQUIRED: LTTR                                 21   ENCL   21
 
Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 182-06064-JML/JLT/JDF JAMES M. LEVINE VICE PRESIDENT                                                  April 12, 1995 NUCLEAR PRODUCTION U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555


==Dear Sirs:==
==Dear Sirs:==


==Subject:==
==Subject:==
Palo Verde Nuclear Generating Station (PVNGS)Units 1,2, and 3 Docket Nos.STN 50-528/529/630 Monthly Operating Reports for March 1996 Enclosed are the Monthly Operating Reports for March 1995, 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.If you have any questions, please contact Judy Fulton at (602)393-5277.Sincerely, JML/J DF/gez  
Palo Verde Nuclear Generating Station (PVNGS)
Units 1,2, and 3 Docket Nos. STN 50-528/529/630 Monthly Operating Reports for March 1996 Enclosed are the Monthly Operating Reports for March 1995, 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.
If you have any questions, please contact Judy Fulton at (602) 393-5277.
Sincerely, JML/J DF/gez


==Enclosures:==
==Enclosures:==
March 1995 Monthly Operating                eports cc:    L. J. Callan                    (all w/enclosures)
K. E. Perkins NRC Senior Resident Inspector INPO Records Center Utility Data Institute
                        'I<'r r ~
cJ 95041CII0051- 950351 PDR    ADDCK    05000528        I I
PDR
f Ji t


March 1995 Monthly Operating eports (all w/enclosures) cc: L.J.Callan K.E.Perkins NRC Senior Resident Inspector INPO Records Center Utility Data Institute'I<'r r~cJ 95041CII0051-950351 PDR ADDCK 05000528 I I PDR f Ji t
I AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. 5M26 UNIT NAME    MHG&1 DATE        Q FLU~~~
COMPLETED BY dJ2JMQQ MONTH: March 1995 DAY      AVERAGE DAILYPOWER LEVEL          DAY 'VERAGE DAILYPOWER  LEVEL 1246'7 1247                      18 1240 1147 1245                      19              1063 1244                      20              1055 1243                      21              1057 1245                      22              1065 1248                      23              1065 1246                      24              1069 1246                      25              1071 10                  1243                      26              1070 1242                      27              1069 12                  1244                      28              1070 13                  1244                      29              1053 14                  1241                      30              1011 15                  1243                      31                995 16                  1241


I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.5M26 UNIT NAME MHG&1 DATE Q FLU~~~COMPLETED BY dJ2JMQQ MONTH: March 1995 DAY AVERAGE DAILY POWER LEVEL DAY'VERAGE DAILY POWER LEVEL 1246'7 1240 1247 18 1147 1245 19 1063 1244 20 1055 1243 21 1057 1245 22 1065 1248 23 1065 1246 24 1069 1246 25 1071 10 1243 26 1070 1242 27 1069 12 1244 28 1070 13 1244 29 1053 14 1241 30 1011 15 1243 31 995 16 1241 I
I REFUELING INFORMATION I
REFUELING INFORMATION I DOCKET NO., SL526 UNIT NAME~V DATE'L12LK COMPLETED BY JJ2~fQQ IKalMJRZ Scheduled date for next refueling shutdown.The 5th refueling outage is scheduled to begin 04/01/95.Scheduled date for restart following refueling.
DOCKET NO.,       SL526 UNIT NAME         ~V DATE         'L12LK COMPLETED BY       JJ2~fQQ IKalMJRZ Scheduled date for next refueling shutdown.
06/1 0/95.Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?
The 5th refueling outage is scheduled to begin 04/01/95.
Scheduled date for restart following refueling.
06/1 0/95.
Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?
No Scheduled date for submitting proposed licensing action and supporting information.
No Scheduled date for submitting proposed licensing action and supporting information.
12/28/94 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, and new operating procedures.
12/28/94 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, and new operating procedures.
The fuel assembly will utilize Erbium as a burnabie absorber (as was done for Units 2 and 3)."The number of fuel assemblies.
The fuel assembly will utilize Erbium as a burnabie absorber (as was done for Units 2 and 3).
b)In the spent fuel storage pool.Licensed spent fuel storage capacity.Intended change in spent fuel storage capacity.~~Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.2005 (18 Month reloads and full core discharge capability).
"The number of fuel assemblies.
III  
b) In the spent fuel storage pool.
~0  
Licensed spent fuel storage capacity.
Intended change in spent fuel storage capacity. ~~
Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.
2005 (18 Month reloads and full core discharge capability).
III
                          ~                                           0


==SUMMARY==
==SUMMARY==
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.~KG UNIT NAME EMKi&i DATE ML12LK COMPLETED BY~<i~03/01 0000 03/09 2315 03/10 0116 03/16 2255 03/16 2355 03/17 2010 03/17 2045 03/18 0828 03/18 1456 03/20 1543 03/20 1915 03/20 2040 03/29 1955 03/30 0501 Unit began the month in Mode 1 with 100%power.Decreased Rx power to 99%for Hi Rate Steam Generator Blowdowns.
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.         ~KG UNIT NAME           EMKi&i DATE               ML12LK COMPLETED BY       ~<i~
Increased Rx power to 100%.Decreased Rx power to 99%for Hi Rate Steam Generator Blowdowns.
03/01 0000 Unit began the month in Mode           1 with 100% power.
Increased Rx power to 100%.Decreased Rx power to 98%for Main Turbine control valve testing.Increased Rx power to 100%.Commenced RX downpower to 85%in preparation for isolating LP Feedwater Heater string C due to Heater 1C tube leak.Rx power at 85%.Decreased Rx power to 83.5%due to EHC leak.Commenced Rx'power increase from 83.5%to 85%.Rx power at 85%.Decreased Rx power to 83%due to MT pressure switch failure.Commenced Rx power increase to 85%.03/30 0539 Stabilized Rx power at 85%.03/31 1548 Decreased Rx power 1%to aid in data gathering to evaluate unusual noise and vibration from the P1 Main Turbine Control Valve.03/31 1620 03/31 1953 03/31 2359 Increased Rx to 85%power.'ommenced Rx power decrease to 20%for outage.Unit ended the month in Mode 1 at 20%power.  
03/09 2315 Decreased Rx power to 99% for Hi Rate Steam Generator Blowdowns.
'I SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME P~~DATE MLQ55 COMPLETED BY No.Date Outage Method of Duration Shutting Down Type" Hours Reason2 Reactor3 LER No.System Component Cause and Corrective Action Code4 Code5 to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995."F-Forced S-Scheduled 2Reason: A-Equipment Failure(Explain)
03/10 0116 Increased Rx power to 100%.
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training 8, License Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction of 20%or Greater in the Past 24 Hours 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER)File (NUREG 0161)5Exhibit H-Same Source
03/16 2255 Decreased Rx power to 99% for Hi Rate Steam Generator Blowdowns.
.E l I J  
03/16 2355 Increased Rx power to 100%.
03/17 2010 Decreased Rx power to 98% for Main Turbine control valve testing.
03/17 2045 Increased Rx power to 100%.
03/18 0828 Commenced RX downpower to 85% in preparation for isolating LP Feedwater Heater string C due to Heater 1C tube leak.
03/18 1456 Rx power at 85%.
03/20 1543 Decreased Rx power to 83.5% due to EHC leak.
03/20 1915 Commenced Rx 'power increase from 83.5% to 85%.
03/20 2040 Rx power at 85%.
03/29 1955 Decreased Rx power to 83% due to MT pressure switch failure.
03/30 0501 Commenced Rx power increase to 85%.
03/30 0539 Stabilized Rx power at 85%.
03/31 1548 Decreased Rx power 1% to aid in data gathering to evaluate unusual noise and vibration from the P1 Main Turbine Control Valve.
03/31 1620 Increased Rx to 85% power.
03/31 1953              Rx power decrease to 20% for outage.
                                        'ommenced 03/31 2359 Unit ended the month in Mode           1 at 20% power.
 
'I SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME DATE P~~
MLQ55 COMPLETED BY Outage                   Method of Duration                 Shutting Down                         System Component      Cause and Corrective Action No.          Date        Type"     Hours       Reason2       Reactor3             LER No.       Code4   Code5         to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995.
"F-Forced             2Reason:                                    3Method:                                  4Exhibit F - Instructions for Preparation S-Scheduled             A-Equipment Failure(Explain)               1-Manual                                  of the Data Entry Sheets for Licensee B-Maintenance or Test                       2-Manual Scram                            Event Report (LER) File (NUREG 0161)
C-Refueling                                 3-Automatic Scram D-Regulatory Restriction                   4-Continuation from Previous Month E-Operator Training 8, License             5-Reduction of 20% or Greater in the   5Exhibit H-Same Source Examination                                  Past 24 Hours F-Administrative                            9-Other-(Explain)
G-Operational Error H-Other (Explain)
    . E l
I J


j l I II''t AVERAGE DAILY UNIT POWER LEVEL I DOCKET NO.24529 UNIT NAME~59,~DATE 9CL12LK COMPLETED BY~~go MONTH: March 1995 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 17 18 19 20 21 22 0 23 24 25 10 26 27 12 28'13 29 14 30 122 15 31 361 16 wl I REFUELING INFORMATION DOCKET NO.QL539 UNIT NAME~VV~!~DATE MQZK COMPLETED BY Lf>MUHQQ Scheduled date for next refueling shutdown.The 6th refueling outage is scheduled for 03/16/96.Scheduled date for restart following refueling.
j l
05/10/96.Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?
II '
a.Technical Specification change to Note 5 of Table 4.3-1 for the proposed installation of a cycle independent shape annealing matrix.o Scheduled date for submitting proposed licensing action and supporting information.
I
12/08/95.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, and new operating procedures.
        't
Stretch Power to 102%.The number of fuel assemblies.
 
e)tn the core.~b)ln the spent fuel storage pool.~95 Licensed spent fuel storage capacity.~~Intended change in spent fuel storage capacity.~~Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.2005 (18 Month reloads and full core discharge capability).
AVERAGE DAILYUNIT POWER LEVEL I
e 1'  
DOCKET NO. 24529 UNIT NAME     ~59,~
DATE           9CL12LK COMPLETED BY ~~go MONTH: March 1995 DAY       AVERAGE DAILYPOWER LEVEL         DAY     AVERAGE DAILYPOWER LEVEL 17 18 19 20 21 22 0                     23 24 25 10                                         26 27 12                                         28 13                                         29 14                                         30                 122 15                                         31                 361 16
 
wl I
REFUELING INFORMATION DOCKET NO.           QL539 UNIT NAME           ~VV~!~
DATE                 MQZK COMPLETED BY         Lf>MUHQQ Scheduled date for next refueling shutdown.
The 6th refueling outage is scheduled for 03/16/96.
Scheduled date for restart following refueling.
05/10/96.
Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?
: a.       Technical Specification change to Note 5 of Table 4.3-1 for the proposed     installation of a cycle independent shape annealing matrix.
o Scheduled date for submitting proposed licensing action and supporting information.
12/08/95.
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, and new operating procedures.
Stretch Power to 102%.
                ~
The number of fuel assemblies.
e) tn the core.
b) ln the spent fuel storage pool. ~95 Licensed spent fuel storage capacity.     ~~
Intended change in spent fuel storage capacity. ~~
Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.
2005 (18 Month reloads and full core discharge capability).
e 1'


==SUMMARY==
==SUMMARY==
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE K-'RR ElhLG&2 MLI2LK dJUMaa 03/01 0000 03/01 1508 03/09 1817 03/23 0408 03/25 0117 03/28 0152 03/28 0500 03/29 0435 03/29 0500 03/29 0830 03/30 0233 03/30 0727 03/30 0754 03/30 0929 03/30 1005 03/30 1035 03/30 1105 03/31 0509 03/31 2359 Unit began the month in refueling outage P5.Entered Mode 6.Entered Mode 5.Entered Mode 4.Entered Mode 3.Entered Mode 2.Unit 2 Rx is CRITICAL.Commenced Rx power increase to 2;3%.Rx power stable at 2%.Entered Mode 1.Synchronized the Main Generator to the grid.This signaled the end of the refueling outage.Outage duration was 54 days, 2 hours and 30 minutes.Opened Main Generator breakers in preparatio for overspeed test.Commenced main turbine overspeed testing.Synchronized the Main Generator to the grid.Commenced Rx power to 14%.Rx power is at 14%.FWCS swapover completed satisfactorily.
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.           K-'RR UNIT NAME            ElhLG&2 DATE                  MLI2LK COMPLETED BY          dJUMaa TELEPHONE 03/01 0000 Unit began the month in refueling outage P5.
Rx power stabilized at 18%.Rx power is greater than 20%.Increasing power to 70%.Unit ended the month in Mode 1 at 30%power in power ascension to 70%.  
03/01 1508 Entered Mode 6.
03/09 1817 Entered Mode 5.
03/23 0408 Entered Mode 4.
03/25 0117 Entered Mode 3.
03/28 0152 Entered Mode 2.
03/28 0500 Unit 2 Rx is CRITICAL.
03/29 0435 Commenced Rx power increase to 2;3%.
03/29 0500 Rx power stable at 2%.
03/29 0830 Entered Mode 1.
03/30 0233 Synchronized the Main Generator to the grid. This signaled the end of the refueling outage.
Outage duration was 54 days, 2 hours and 30 minutes.
03/30 0727 Opened Main Generator breakers in preparatio for overspeed test.
03/30 0754 Commenced main turbine overspeed testing.
03/30 0929 Synchronized the Main Generator to the grid.
03/30 1005 Commenced Rx power to 14%.
03/30 1035 Rx power is at 14%.
03/30 1105 FWCS swapover completed satisfactorily. Rx power stabilized at 18%.
03/31 0509 Rx power is greater than 20%. Increasing power to 70%.
03/31 2359 Unit ended the month in Mode   1 at 30% power in power ascension to 70%.


SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME DATE MLl2LK COMPLETED BY Date Outage Method of Duration Shutting Down Type" Hours Reason2 Reactor3 LER No.System Component Cause and Corrective Action Code4 Code5.to Prevent Occurrence 95-01 02/04/95 S 700.6 N/A N/A N/A Continuation of 5th refueling outage from previous month."F-Forced S-Scheduled Reason: A-Equipment Failure(Explain)
SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME DATE                   MLl2LK COMPLETED BY Outage                 Method of Duration             Shutting Down                         System Component      Cause and Corrective Action Date      Type"       Hours     Reason2     Reactor3             LER No.       Code4   Code5.       to Prevent Occurrence 95-01     02/04/95       S         700.6                                         N/A           N/A   N/A         Continuation of 5th refueling outage from previous month.
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training 8 License.Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction of 20%or Greater in the Past 24 Hours 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER)File (NUREG 0161)Exhibit H-Same Source
"F-Forced           Reason:                                3Method:                                  4Exhibit F - Instructions for Preparation S-Scheduled           A-Equipment Failure(Explain)             1-Manual                                  of the Data Entry Sheets for Licensee B-Maintenance or Test                   2-Manual Scram                            Event Report (LER) File (NUREG 0161)
C-Refueling                              3-Automatic Scram D-Regulatory Restriction                4-Continuation from Previous Month E-Operator Training 8 License            5-Reduction of 20% or Greater in the     Exhibit H-Same Source
                      . Examination                              Past 24 Hours F-Administrative                        9-Other-(Explain)
G-Operational Error H-Other (Explain)


J AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.~39 UNIT NAME~bLGR2 DATE&002LK COMPLETED BY~~gO KllHUUII MONTH: March 1995 DAY AVERAGE DAILY POWER LEVEL'DAY AVERAGE DAILY POWER LEVEL 1228 17 1249 1085 18 1250 1113 19 1249 1248 20 1250 1251 21 1249 1252 22 1256 1256 23 1254 1255 24 1255 1256 25 1254 10 1254 26 1256 1254 27 1255 12 1254 28 1258 13 1254 29 1257 14 1253 30 1256 15 1250 31 1253 16 1249 I
J AVERAGE DAILYUNIT POWER LEVEL DOCKET NO.   ~39 UNIT NAME     ~bLGR2 DATE         &002LK COMPLETED BY ~~gO KllHUUII MONTH: March 1995 DAY       AVERAGE DAILYPOWER LEVEL         'DAY     AVERAGE DAILYPOWER LEVEL 1228                     17               1249 1085                     18               1250 1113                     19               1249 1248                     20               1250 1251                     21               1249 1252                     22               1256 1256                     23               1254 1255                     24               1255 1256                     25               1254 10                 1254                     26               1256 1254                     27               1255 12                 1254                     28               1258 13                 1254                     29               1257 14                 1253                     30               1256 15                 1250                     31               1253 16                 1249
REFUELING INFORMATION DOCKET NO.&#xb9;HQ UNIT NAME~VI~~>~DATE ML12LK COMPLETED BY~i~ljjgn Scheduled date for next refueling shutdown.The 5th refueling outage is scheduled to begin 10/14/95.Scheduled date for restart following refueling.
 
12/23/95.Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment7 1 a.Technical Specification change to Note 5 of Table 4.3-1 for the proposed installation of a cycle independent shape anneaiing matrix.(submitted 12/7/94 to NRC).Scheduled date for submitting proposed licensing action and supporting information.
I REFUELING INFORMATION DOCKET NO.       &#xb9;HQ UNIT NAME       ~VI~~>~
June 1995, if required.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, and new operating procedures.
DATE             ML12LK COMPLETED BY     ~i~ljjgn Scheduled date for next refueling shutdown.
None.The number of fuel assemblies.
The 5th refueling outage is scheduled to begin 10/14/95.
b)In the spent fuel storage pool.Licensed spent fuel storage capacity.Intended change in spent fuel storage capacity.Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.2005 (18 Month reloads and full core discharge capability).
Scheduled date for restart following refueling.
V I  
12/23/95.
Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment7 1
: a.       Technical Specification change to Note 5 of Table 4.3-1 for the proposed     installation of a cycle independent shape anneaiing matrix. (submitted 12/7/94 to NRC).
Scheduled date for submitting proposed licensing action and supporting information.
June 1995, if required.
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, and new operating procedures.
None.
The number of fuel assemblies.
b) In the spent fuel storage pool.
Licensed spent fuel storage capacity.
Intended change in spent fuel storage capacity.
Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.
2005 (18 Month reloads and full core discharge capability).
V I


==SUMMARY==
==SUMMARY==
OF OPERATING EXPERIENCE FOR THE MONTH h1azl~%03/01 0000 Unit began the month in Mode 1 at 100/o power.DOCKET NO.~39 UNIT NAME DATE ML12LK COMPLETED BY~~I~IESlMJBD 03/01 1326 Commenced Rx downpower to 95~/o to remove condensate pump C from service due to high vibration.
OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.        ~39 UNIT NAME DATE              ML12LK COMPLETED BY      ~~I~
03/01 1334 Rx power at 95/o.03/01 1359 Commenced Rx power increase to 100'/o.03/01 1530 Stopped Rx power increase at 99/o power due to MFP suction pressure being 300 psig.03/01, 1535 Commenced Rx power reduction from 99 lo to place cond.demins.in service for SG chemistry cleanup.03/01 1555 Stopped Rx power decrease at 96/o power.03/01 2230 Commenced Rx power reduction to 86/o power for chemistry concerns.0301 2252 Completed Rx power reduction to 86'lo in compliance with chemistry action level 1 for SG&#xb9;1 hi sulfates.03/03 1733 CommencedRxpowerincreasetoapproximately96-98/o.
IESlMJBD h1azl~%
03/03 2301 Stopped power increase at 97.3'/o to perform surveillance test.03/04 0123 Commenced Rx power increase to 100/o.03/04 0408 Rx power stabilized at 100/o.03/19 0058 Decreased Rx power to 99'io for Hi Rate Steam Generator Blowdown.03/19 0250 Increased Rx power to 100'lo.03/25 2221 Decreased Rx power to 99/o for Hi Rate Steam Generator Blowdown.03/25 2358 Increased Rxpowerto100/o.
03/01   0000 Unit began the month in Mode 1 at 100/o power.
03/31 0157 Decreased Rx power to 99'/o for control valve testing 8 Hi Rate Steam Generator Blowdown.03/31 0439 Increased RX power to 100/o.03/31 2359 Unit ended the month in Mode 1 at 100/o power.  
03/01   1326 Commenced Rx downpower to     95~/o to remove condensate pump C from service due to high vibration.
'J IC Ih SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO-50-530 UNIT NAME~~S-DATE 5HL12M~COMPLETED BY~gHQQ No.Date Outage Duration Type" Hours Reason2 Method of Shutting Down Reactor3 LER No.System Component Cause and Corrective Action Code4 Code5 to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995.1F-Forced S-Scheduled 2Reason: A-Equipment Failure(Explain)
03/01   1334 Rx power at 95/o.
B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training&License Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 1-Manual 2-Manual Scram 3-Automatic Scram-4-Continuation from Previous Month 5-Reduction of 20%or Greater in the Past 24 Hours 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER)File (NUREG 0161)Exhibit H-Same Source 15-}}
03/01   1359 Commenced Rx power increase to 100'/o.
03/01   1530 Stopped Rx power increase at 99/o power due to MFP suction pressure being 300 psig.
03/01, 1535 Commenced Rx power reduction from 99 lo to place cond. demins. in service for SG chemistry cleanup.
03/01   1555 Stopped Rx power decrease at 96/o power.
03/01 2230 Commenced Rx power reduction to 86/o power for chemistry concerns.
0301   2252 Completed Rx power reduction to 86'lo in compliance with chemistry action level 1 for SG &#xb9;1 hi sulfates.
03/03   1733 CommencedRxpowerincreasetoapproximately96-98/o.
03/03 2301 Stopped power increase at 97.3'/o to perform surveillance test.
03/04 0123 Commenced Rx power increase to 100/o.
03/04 0408 Rx power stabilized at 100/o.
03/19 0058 Decreased Rx power to 99'io for Hi Rate Steam Generator Blowdown.
03/19 0250 Increased Rx power to 100'lo.
03/25 2221 Decreased Rx power to 99/o for Hi Rate Steam Generator Blowdown.
03/25   2358 Increased Rxpowerto100/o.
03/31   0157 Decreased Rx power to 99'/o for control valve testing 8 Hi Rate Steam Generator Blowdown.
03/31   0439 Increased RX power to 100/o.
03/31   2359 Unit ended the month in Mode 1 at 100/o power.
'J IC Ih
 
SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO           530 UNIT NAME             ~~S-DATE                   5HL12M~
COMPLETED BY           ~gHQQ Outage                    Method of Duration                Shutting Down                        System Component      Cause and Corrective Action No.           Date       Type"     Hours       Reason2       Reactor3             LER No.       Code4   Code5       to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995.
1F-Forced             2Reason:                                    3Method:                                  4Exhibit F - Instructions for Preparation S-Scheduled             A-Equipment Failure(Explain)               1-Manual                                  of the Data Entry Sheets for Licensee B-Maintenance or Test                       2-Manual Scram                            Event Report (LER) File (NUREG 0161)
C-Refueling                                 3-Automatic Scram D-Regulatory Restriction                 Continuation from Previous Month E-Operator Training & License               5-Reduction of 20% or Greater in the     Exhibit H-Same Source Examination                                Past 24 Hours F-Administrative                            9-Other-(Explain)
G-Operational Error H-Other (Explain) 15-}}

Latest revision as of 02:57, 4 February 2020

Monthly Operating Repts for Mar 1995 for Palo Verde Nuclear Generating Station.W/950412 Ltr
ML17311A806
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 03/31/1995
From: Fulton J, James M. Levine
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
182-06064-JML-J, 182-6064-JML-J, NUDOCS 9504190051
Download: ML17311A806 (33)
v • d • e


Text

(ACCELERATED RIDS PROCESSING)

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9504190051 DOC.DATE: '9AV~

FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 NOTARIZED: NO DOCKET STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 P AUTH. NAME AUTHOR AFFILIATION FULTON,J.D. Arizona Public Service Co. (formerly Arizona Nuclear Power LEVINE,J.M. Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthly operating repte for Mar 1995 for Palo Verde Nuclear Generating Station.W 950412 0 CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs) ltr.'ISTRIBUTION t ENCL I SIZE: 4I NOTES:STANDARDIZED PLANT 05000528 I Standardized plant; 05000529 Standardized plant. 05000530 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 PD 1 1 HOLIAN, B 1 1 TRAN,L 1 1 INTERNAL: ACRS 10 10 AEOD/SPD/RRAB 1 1 NTER 1 1 NRR/DISP/PIPB 1 1 1 1 RGN4 1 1 D

EXTERNAL LITCO BRYCE f J H 1 1 NOAC 1 1 NRC PDR 1 1 0 0

U NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 504-2083 ) TO ELIMINATEYOUR NAME FROM DISTRIBUTIONLISTS FOR DOCUMENTS YOU DON'T NEEDI TOTAL NUMBER OF COPIES REQUIRED: LTTR 21 ENCL 21

Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 182-06064-JML/JLT/JDF JAMES M. LEVINE VICE PRESIDENT April 12, 1995 NUCLEAR PRODUCTION 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 50-528/529/630 Monthly Operating Reports for March 1996 Enclosed are the Monthly Operating Reports for March 1995, 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.

If you have any questions, please contact Judy Fulton at (602) 393-5277.

Sincerely, JML/J DF/gez

Enclosures:

March 1995 Monthly Operating eports cc: L. J. Callan (all w/enclosures)

K. E. Perkins NRC Senior Resident Inspector INPO Records Center Utility Data Institute

'I<'r r ~

cJ 95041CII0051- 950351 PDR ADDCK 05000528 I I

PDR

f Ji t

I AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. 5M26 UNIT NAME MHG&1 DATE Q FLU~~~

COMPLETED BY dJ2JMQQ MONTH: March 1995 DAY AVERAGE DAILYPOWER LEVEL DAY 'VERAGE DAILYPOWER LEVEL 1246'7 1247 18 1240 1147 1245 19 1063 1244 20 1055 1243 21 1057 1245 22 1065 1248 23 1065 1246 24 1069 1246 25 1071 10 1243 26 1070 1242 27 1069 12 1244 28 1070 13 1244 29 1053 14 1241 30 1011 15 1243 31 995 16 1241

I REFUELING INFORMATION I

DOCKET NO., SL526 UNIT NAME ~V DATE 'L12LK COMPLETED BY JJ2~fQQ IKalMJRZ Scheduled date for next refueling shutdown.

The 5th refueling outage is scheduled to begin 04/01/95.

Scheduled date for restart following refueling.

06/1 0/95.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

No Scheduled date for submitting proposed licensing action and supporting information.

12/28/94 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, and new operating procedures.

The fuel assembly will utilize Erbium as a burnabie absorber (as was done for Units 2 and 3).

"The number of fuel assemblies.

b) In the spent fuel storage pool.

Licensed spent fuel storage capacity.

Intended change in spent fuel storage capacity. ~~

Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2005 (18 Month reloads and full core discharge capability).

III

~ 0

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. ~KG UNIT NAME EMKi&i DATE ML12LK COMPLETED BY ~<i~

03/01 0000 Unit began the month in Mode 1 with 100% power.

03/09 2315 Decreased Rx power to 99% for Hi Rate Steam Generator Blowdowns.

03/10 0116 Increased Rx power to 100%.

03/16 2255 Decreased Rx power to 99% for Hi Rate Steam Generator Blowdowns.

03/16 2355 Increased Rx power to 100%.

03/17 2010 Decreased Rx power to 98% for Main Turbine control valve testing.

03/17 2045 Increased Rx power to 100%.

03/18 0828 Commenced RX downpower to 85% in preparation for isolating LP Feedwater Heater string C due to Heater 1C tube leak.

03/18 1456 Rx power at 85%.

03/20 1543 Decreased Rx power to 83.5% due to EHC leak.

03/20 1915 Commenced Rx 'power increase from 83.5% to 85%.

03/20 2040 Rx power at 85%.

03/29 1955 Decreased Rx power to 83% due to MT pressure switch failure.

03/30 0501 Commenced Rx power increase to 85%.

03/30 0539 Stabilized Rx power at 85%.

03/31 1548 Decreased Rx power 1% to aid in data gathering to evaluate unusual noise and vibration from the P1 Main Turbine Control Valve.

03/31 1620 Increased Rx to 85% power.

03/31 1953 Rx power decrease to 20% for outage.

'ommenced 03/31 2359 Unit ended the month in Mode 1 at 20% power.

'I SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME DATE P~~

MLQ55 COMPLETED BY Outage Method of Duration Shutting Down System Component Cause and Corrective Action No. Date Type" Hours Reason2 Reactor3 LER No. Code4 Code5 to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995.

"F-Forced 2Reason: 3Method: 4Exhibit F - Instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Report (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training 8, License 5-Reduction of 20% or Greater in the 5Exhibit H-Same Source Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain)

. E l

I J

j l

II '

I

't

AVERAGE DAILYUNIT POWER LEVEL I

DOCKET NO. 24529 UNIT NAME ~59,~

DATE 9CL12LK COMPLETED BY ~~go MONTH: March 1995 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 17 18 19 20 21 22 0 23 24 25 10 26 27 12 28 13 29 14 30 122 15 31 361 16

wl I

REFUELING INFORMATION DOCKET NO. QL539 UNIT NAME ~VV~!~

DATE MQZK COMPLETED BY Lf>MUHQQ Scheduled date for next refueling shutdown.

The 6th refueling outage is scheduled for 03/16/96.

Scheduled date for restart following refueling.

05/10/96.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

a. Technical Specification change to Note 5 of Table 4.3-1 for the proposed installation of a cycle independent shape annealing matrix.

o Scheduled date for submitting proposed licensing action and supporting information.

12/08/95.

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, and new operating procedures.

Stretch Power to 102%.

~

The number of fuel assemblies.

e) tn the core.

b) ln the spent fuel storage pool. ~95 Licensed spent fuel storage capacity. ~~

Intended change in spent fuel storage capacity. ~~

Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2005 (18 Month reloads and full core discharge capability).

e 1'

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. K-'RR UNIT NAME ElhLG&2 DATE MLI2LK COMPLETED BY dJUMaa TELEPHONE 03/01 0000 Unit began the month in refueling outage P5.

03/01 1508 Entered Mode 6.

03/09 1817 Entered Mode 5.

03/23 0408 Entered Mode 4.

03/25 0117 Entered Mode 3.

03/28 0152 Entered Mode 2.

03/28 0500 Unit 2 Rx is CRITICAL.

03/29 0435 Commenced Rx power increase to 2;3%.

03/29 0500 Rx power stable at 2%.

03/29 0830 Entered Mode 1.

03/30 0233 Synchronized the Main Generator to the grid. This signaled the end of the refueling outage.

Outage duration was 54 days, 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and 30 minutes.

03/30 0727 Opened Main Generator breakers in preparatio for overspeed test.

03/30 0754 Commenced main turbine overspeed testing.

03/30 0929 Synchronized the Main Generator to the grid.

03/30 1005 Commenced Rx power to 14%.

03/30 1035 Rx power is at 14%.

03/30 1105 FWCS swapover completed satisfactorily. Rx power stabilized at 18%.

03/31 0509 Rx power is greater than 20%. Increasing power to 70%.

03/31 2359 Unit ended the month in Mode 1 at 30% power in power ascension to 70%.

SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO UNIT NAME DATE MLl2LK COMPLETED BY Outage Method of Duration Shutting Down System Component Cause and Corrective Action Date Type" Hours Reason2 Reactor3 LER No. Code4 Code5. to Prevent Occurrence 95-01 02/04/95 S 700.6 N/A N/A N/A Continuation of 5th refueling outage from previous month.

"F-Forced Reason: 3Method: 4Exhibit F - Instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Report (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training 8 License 5-Reduction of 20% or Greater in the Exhibit H-Same Source

. Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain)

J AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. ~39 UNIT NAME ~bLGR2 DATE &002LK COMPLETED BY ~~gO KllHUUII MONTH: March 1995 DAY AVERAGE DAILYPOWER LEVEL 'DAY AVERAGE DAILYPOWER LEVEL 1228 17 1249 1085 18 1250 1113 19 1249 1248 20 1250 1251 21 1249 1252 22 1256 1256 23 1254 1255 24 1255 1256 25 1254 10 1254 26 1256 1254 27 1255 12 1254 28 1258 13 1254 29 1257 14 1253 30 1256 15 1250 31 1253 16 1249

I REFUELING INFORMATION DOCKET NO. ¹HQ UNIT NAME ~VI~~>~

DATE ML12LK COMPLETED BY ~i~ljjgn Scheduled date for next refueling shutdown.

The 5th refueling outage is scheduled to begin 10/14/95.

Scheduled date for restart following refueling.

12/23/95.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment7 1

a. Technical Specification change to Note 5 of Table 4.3-1 for the proposed installation of a cycle independent shape anneaiing matrix. (submitted 12/7/94 to NRC).

Scheduled date for submitting proposed licensing action and supporting information.

June 1995, if required.

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, and new operating procedures.

None.

The number of fuel assemblies.

b) In the spent fuel storage pool.

Licensed spent fuel storage capacity.

Intended change in spent fuel storage capacity.

Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2005 (18 Month reloads and full core discharge capability).

V I

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. ~39 UNIT NAME DATE ML12LK COMPLETED BY ~~I~

IESlMJBD h1azl~%

03/01 0000 Unit began the month in Mode 1 at 100/o power.

03/01 1326 Commenced Rx downpower to 95~/o to remove condensate pump C from service due to high vibration.

03/01 1334 Rx power at 95/o.

03/01 1359 Commenced Rx power increase to 100'/o.

03/01 1530 Stopped Rx power increase at 99/o power due to MFP suction pressure being 300 psig.

03/01, 1535 Commenced Rx power reduction from 99 lo to place cond. demins. in service for SG chemistry cleanup.

03/01 1555 Stopped Rx power decrease at 96/o power.

03/01 2230 Commenced Rx power reduction to 86/o power for chemistry concerns.

0301 2252 Completed Rx power reduction to 86'lo in compliance with chemistry action level 1 for SG ¹1 hi sulfates.

03/03 1733 CommencedRxpowerincreasetoapproximately96-98/o.

03/03 2301 Stopped power increase at 97.3'/o to perform surveillance test.

03/04 0123 Commenced Rx power increase to 100/o.

03/04 0408 Rx power stabilized at 100/o.

03/19 0058 Decreased Rx power to 99'io for Hi Rate Steam Generator Blowdown.

03/19 0250 Increased Rx power to 100'lo.

03/25 2221 Decreased Rx power to 99/o for Hi Rate Steam Generator Blowdown.

03/25 2358 Increased Rxpowerto100/o.

03/31 0157 Decreased Rx power to 99'/o for control valve testing 8 Hi Rate Steam Generator Blowdown.

03/31 0439 Increased RX power to 100/o.

03/31 2359 Unit ended the month in Mode 1 at 100/o power.

'J IC Ih

SHUTDOWNS AND POWER REDUCTIONS March 1995 DOCKET NO 530 UNIT NAME ~~S-DATE 5HL12M~

COMPLETED BY ~gHQQ Outage Method of Duration Shutting Down System Component Cause and Corrective Action No. Date Type" Hours Reason2 Reactor3 LER No. Code4 Code5 to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of March, 1995.

1F-Forced 2Reason: 3Method: 4Exhibit F - Instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Report (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction Continuation from Previous Month E-Operator Training & License 5-Reduction of 20% or Greater in the Exhibit H-Same Source Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain) 15-

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